This article provides an overview of the installation process for CYK-24 single-way ceiling cassette systems.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article provides an overview of the installation process for <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette systems</a>.&#xA0;</p><p>Each section in this article represents a step in the installation process. Click the link in each section to learn about that specific step.&#xA0;</p><p><strong>Note:</strong> Before beginning the installation, refer to the label on the product box to ensure the model number of the indoor unit matches the model number of the outdoor unit.&#xA0;</p><h2 id="1-select-the-installation-location-for-the-indoor--outdoor-units"><u>1. Select the Installation Location for the Indoor &amp; Outdoor Units</u></h2><p>We recommend understanding the criteria for selecting ideal locations for the indoor and outdoor units.&#xA0;</p><ul><li style="font-size: 16px;">The guidelines for selecting ideal installation locations for the indoor and outdoor units can be found in this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-locations-6073437" target="_blank" rel="noopener noreferrer">article</a>.&#xA0;</li></ul><h2 id="2-install-the-indoor-unit"><u>2. Install the Indoor Unit</u></h2><p>Begin by connecting the wiring to the indoor air handler and installing the unit. Then, drill the wall hole for the piping.</p><ul><li style="font-size: 16px;">For information connect the wire to the indoor air handler, click this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-air-handler-wire-6073438" target="_blank" rel="noopener noreferrer">link</a>.&#xA0;</li><li style="font-size: 16px;">Click this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-air-handler-6087840" target="_blank" rel="noopener noreferrer">link</a> for information on installing the indoor air handler.&#xA0;</li><li style="font-size: 16px;">Learn more about drilling the wall hole for the piping by reading this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-drill-wall-hole-6088127" target="_blank" rel="noopener noreferrer">article</a>.&#xA0;</li></ul><h2 id="3-install-the-drainpipe"><u>3. Install the Drainpipe</u></h2><ul><li style="font-size: 16px;"><span style="font-size: 16px;">Click this&#xA0;</span><span style="font-size: 16px;"><a href="https://help.pioneerminisplit.com/en-US/install-cyk-drainpipe-6088562" target="_blank" rel="noopener noreferrer">link</a></span><span style="font-size: 16px;">&#xA0;to learn how to connect the drainpipe.</span>&#xA0;</li></ul><h2 id="4-install-the-outdoor-unit"><u>4. Install the Outdoor Unit</u></h2><p>Next, install the drain joint for the outdoor unit, then anchor the unit to the ground or a wall-mounted bracket.&#xA0;</p><ul><li style="font-size: 16px;">For information on installing the drain joint for the outdoor unit, click this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-drain-joint-6089233" target="_blank" rel="noopener noreferrer">link</a>.&#xA0;</li><li style="font-size: 16px;">Read this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-mount-odu-6090296" target="_blank" rel="noopener noreferrer">article</a> to learn about mounting the outdoor unit.&#xA0;</li></ul><h2 id="5-connect-the-refrigerant-pipes"><u>5. Connect the Refrigerant Pipes</u></h2><p>Once the indoor and outdoor units are installed, connect the refrigerant pipes.&#xA0;</p><ul><li style="font-size: 16px;">Click this <a href="https://help.pioneerminisplit.com/en-US/install-ceiling-cassette-refrigerant-piping-5835921" target="_blank" rel="noopener noreferrer">article</a> for information on connecting the refrigerant pipes.&#xA0;</li></ul><h2 id="6-connect-the-electrical-wires"><u>6. Connect the Electrical Wires</u></h2><p>Connect the electrical wires for the system, starting with the outdoor wires followed by the indoor wires.&#xA0;</p><ul><li style="font-size: 16px;">Get information on connecting the wires by clicking this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-electrical-wiring-6092021" target="_blank" rel="noopener noreferrer">link</a>.</li></ul><h2 id="7-evacuate-the-refrigerant-circuit"><u>7. Evacuate the Refrigerant Circuit</u></h2><p>Use a vacuum pump and manifold gauge to evacuate the refrigerant circuit, removing any non-condensable gas and moisture from the system.</p><h2 id="8-install-the-panel-for-the-indoor-unit"><u>8. Install the Panel for the Indoor Unit</u></h2><p>Secure the panel to the indoor unit. Make sure to perform the panel installation after the piping and wiring have been completed.&#xA0;</p><ul><li style="font-size: 16px;">Click this <a href="https://help.pioneerminisplit.com/en-US/install-cyk-panel-6092524" target="_blank" rel="noopener noreferrer">article</a> for information on installing the panel for the indoor unit.</li></ul><h2 id="9-perform-a-test-run"><u>9. Perform a Test Run</u></h2><p>Perform the test run after the entire system has been completely installed. Failure to perform the test run may result in unit damage, property damage, or personal injury.</p><ul><li style="font-size: 16px;">For instructions on performing a test run, read this <a href="https://help.pioneerminisplit.com/en-US/install-test-run-3672815" target="_blank" rel="noopener noreferrer">article</a>.</li></ul>

Install CYK-24 Single-Way Ceiling Cassette Systems: Getting Started

This article outlines the installation site criteria for CYK-24 single-way ceiling cassette indoor and outdoor units.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article outlines the installation site criteria for <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette</a> indoor and outdoor units.</p><p>Before starting, refer to the label on the product box to make sure that the model number of the indoor unit matches the model number of the outdoor unit.&#xA0;</p><p>We recommend understanding the guidelines for selecting ideal locations for the indoor and outdoor units. The following are standards intended to help select appropriate locations for the units. &#xA0;</p><h2 id="indoor-unit"><u>Indoor Unit</u></h2><p><strong>Proper installation locations for the indoor unit must ensure the following standards:&#xA0;</strong></p><ul><li style="font-size: 16px;">Sufficient space for installation and maintenance.&#xA0;</li><li style="font-size: 16px;">Sufficient space to connect the pipes and drainpipe.&#xA0;</li><li style="font-size: 16px;">No direct radiation from heaters.&#xA0;</li><li style="font-size: 16px;">The air inlet and outlet are not blocked.&#xA0;</li><li style="font-size: 16px;">The airflow can fill the entire room.&#xA0;</li><li style="font-size: 16px;">The ceiling is horizontal and its structure can sustain the indoor unit&apos;s weight.&#xA0;</li></ul><p><strong>Do not install the indoor unit in the following locations:&#xA0;</strong></p><ul><li style="font-size: 16px;">Areas with oil drilling or fracking.&#xA0;</li><li style="font-size: 16px;">Coastal areas with high salt content in the air.&#xA0;</li><li style="font-size: 16px;">Areas with caustic gases in the air, such as near hot springs.&#xA0;</li><li style="font-size: 16px;">Areas that experience power fluctuations, such as factories.&#xA0;</li><li style="font-size: 16px;">Enclosed spaces, such as cabinets.&#xA0;</li><li style="font-size: 16px;">Kitchens that use natural gas.&#xA0;</li><li style="font-size: 16px;">Areas with strong electromagnetic waves.&#xA0;</li><li style="font-size: 16px;">Areas that store flammable materials or gas.&#xA0;</li><li style="font-size: 16px;">Rooms with high humidity, such as bathrooms or laundry rooms.&#xA0;</li></ul><p><strong>Installation Place:&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-ac545309-87fc-4691-b705-df22c43a06c9-cyk24_installation_place_perspective_a.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered"></strong><strong><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-1303b0a5-b5f0-47bf-a3b6-6d1321446bdf-cyk24_indoor_parts_installation_size_perspective_b.png" style="width: 300px;" class="fr-fic fr-dib fr-bordered"></strong></p><h2 id="outdoor-unit"><u>Outdoor Unit</u></h2><p><strong>Proper installation locations for the outdoor unit must ensure the following standards:&#xA0;</strong></p><ul><li style="font-size: 16px;">The installation&apos;s spatial requirements shown in the illustration are met.<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026042112-97d87069-8741-4b72-8fcc-bd73b71ee516-cyb20_odu_spatial_requirements.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li><li style="font-size: 16px;">The location is solid enough to support the unit and prevent vibration.</li><li style="font-size: 16px;">Sufficient air circulation and ventilation.&#xA0;</li><li style="font-size: 16px;">Noise from the unit will not disturb other people.&#xA0;</li><li style="font-size: 16px;">The location is protected against prolonged exposure to direct sunlight or precipitation.&#xA0;</li><li style="font-size: 16px;">The location is protected against ice buildup and coil damage during snowfall.&#xA0;</li></ul><p><strong>Do not install the indoor unit in the following locations:&#xA0;</strong></p><ul><li style="font-size: 16px;">Near an obstacle that will block air inlets and outlets.&#xA0;</li><li style="font-size: 16px;">Near public streets, crowded areas, or places where noise from the unit will disturb others.&#xA0;</li><li style="font-size: 16px;">Near animals or plants that will be harmed by hot air discharge.&#xA0;</li><li style="font-size: 16px;">Near any source of combustible gas.&#xA0;</li><li style="font-size: 16px;">A location that is exposed to large amounts of dust.&#xA0;</li><li><span style="font-size: 16px;">A location exposed to an excessive amount of salty air.</span>&#xA0;</li></ul><p><strong>Special considerations for extreme weather:&#xA0;</strong></p><ul><li style="font-size: 16px;"><strong>If the outdoor unit is exposed to strong wind:</strong> Install the unit so that the air outlet fan is at a 90-degree angle to the wind direction. If necessary, build a barrier in front of the unit to protect it from extremely strong winds.&#xA0;</li><li style="font-size: 16px;"><strong>If the outdoor unit is frequently exposed to heavy rain or snow:</strong> Build a shelter above the unit to protect it from rain or snow, ensuring the airflow is not obstructed.&#xA0;</li><li style="font-size: 16px;"><strong>If the outdoor unit is frequently exposed to salty air (seaside):</strong> Use an outdoor unit specifically designed for corrosion resistance.<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026041716-abf2710c-d1b5-4dc4-b4d0-fb04b3a690d4-cyb20_extreme_weather.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered">&#xA0;</li></ul>

Select the Installation Locations for CYK-24 Single-Way Ceiling Cassette Systems

This article explains how to connect the wire to the indoor air handler for CYK-24 single-way ceiling cassette systems.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains how to connect the wire to the indoor air handler for <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette systems</a>.</p><p>The wiring procedure for the indoor air handler differs between the models with circuit breakers and those with terminals.&#xA0;&#xA0;</p><h2 id="warning"><u>Warning</u></h2><p>Ensure the ground wire is firmly tightened to prevent loosening.&#xA0;</p><h2 id="model-with-circuit-breaker"><u>Model with Circuit Breaker</u></h2><p>1. Remove the four screws to open the indoor control and circuit breaker boxes.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-915628e4-e61e-4dad-9647-58df564142f4-cyk24_idu_installation_model_a_step1_1.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>2. Remove the pre-cut cover on the circuit breaker box.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-c5241f61-3a80-49f3-9bb4-e27756190fd2-cyk24_idu_installation_model_a_step1_2.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>3. Connect the wire to the circuit breaker according to the diagram.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-c42496ed-4084-4386-ae8e-bb4ebc030791-cyk24_idu_installation_model_a_step1_3.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>4. Attach and fasten the wire body with a tie.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-9fb74b48-9efc-42b6-9786-5a92d7a0d80a-cyk24_idu_installation_model_a_step1_4.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>5. Install the circuit breaker by attaching the two screws.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-a7ba7da7-8202-41ae-a33d-68d65016867c-cyk24_idu_installation_model_a_step1_5.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><h2 id="model-with-terminal"><u>Model with Terminal</u></h2><p>1. Remove the four screws to open the indoor control and circuit breaker boxes.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-9c7c07f8-9bd1-480f-aeb7-0c801a55af0c-cyk24_idu_installation_model_b_step1_1.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>2. Remove the pre-cut cover on the terminal box. Then, remove the two screws and take out the clip.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-8b5cf93f-3230-4880-8ffa-c2ab43754e08-cyk24_idu_installation_model_b_step1_2.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>3. Connect the wire to the terminal according to the diagram.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-0b01d482-d64c-4b72-a2cc-5b6c566574ba-cyk24_idu_installation_model_b_step1_3.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>4. Attach the wire with the clip using the two screws.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-92a165c0-6d0f-47f6-8b5e-cb77dcf2f7bf-cyk24_idu_installation_model_b_step1_4.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>5. Install the terminal cover by attaching the two screws.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051120-72f4ca53-6661-464d-8608-44e8685d8bd9-cyk24_idu_installation_model_b_step1_5.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p>

Connect the Wire to the Indoor Air Handler for CYK-24 Single-Way Ceiling Cassette Systems

This article explains how to install the indoor air handler for CYK-24 single-way ceiling cassette systems.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains how to install the indoor air handler for <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette systems</a>.&#xA0;</p><h2 id="warning"><u>Warning</u></h2><p>Follow the local regulations and take measures to isolate high and low voltages.</p><h2 id="notes"><u>Notes</u></h2><ul><li style="font-size: 16px;">After installing the main body, determine the piping direction. Align the refrigerant pipes, drainpipes, and wiring with their connection points before mounting the unit.&#xA0;</li><li style="font-size: 16px;">Ensure enough wire length is reserved for periodic maintenance. If the shielded wire has a connection lug, ensure it is properly grounded.&#xA0;</li></ul><h2 id="steps"><u>Steps</u></h2><p>1. Drill a hole with a diameter of 1/4 inch (6 mm) or less into the roof beam, following the layout of the installation template. Once the hole is drilled, remove the template.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051212-f1c0510a-4d69-480c-8630-f44099969e2a-cyk24_idu_installation_step2_1.png" style="width: 600px;" class="fr-fic fr-dib fr-bordered"></p><p>2. Connect the wire from the control box.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051212-dd640e15-07c2-41b3-bdab-8853704743c7-cyk24_idu_installation_step2_2.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>3. Connect the other side of the cable to the wired controller.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051212-bc798a11-b499-459f-b505-f7ff89711463-cyk24_idu_installation_step2_3.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p>

Install the Indoor Air Handler for CYK-24 Single-Way Ceiling Cassette Systems

This article explains how to drill the wall hole for the piping of CYK-24 single-way ceiling cassette systems.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains how to drill the wall hole for the piping of <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer" id="isPasted">CYK-24 single-way ceiling cassette systems</a>.</p><p>The hole being drilled in the wall is intended for the drainage and refrigerant piping. When drilling the wall hole, ensure to avoid wires, plumbing, and other sensitive components.&#xA0;</p><h2 id="steps"><u>Steps</u></h2><p>1. Determine the wall hole&apos;s location based on the intended position of the outdoor unit.&#xA0;</p><p>2. Drill a hole through the wall using a 2-1/2 (63.5 mm) or 3-1/2 inch (90 mm) core drill. Make sure the hole is angled slightly downward so that the exterior opening is a &#xBC; of an inch (5~7 mm) lower than the interior opening. This slope ensures proper water drainage.</p><p>When the gas side connective pipe is &#x3A6; 5/8 inches (16 mm) or more, the wall hole must be 3-1/2 inches (90 mm).<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051213-b8107978-eff8-4374-9a81-871ed93c1a82-cyk24_idu_drill_hole.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></p><p>3. Insert the protective wall cuff into the hole. This protects the edges of the hole and helps create a seal during the final installation steps.&#xA0;</p><p><br></p>

Drill the Piping Wall Hole for CYK-24 Single-Way Ceiling Cassette Systems

This article explains how to install the drainpipe for CYK-24 single-way ceiling cassette systems.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains how to install the drainpipe for <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer" id="isPasted">CYK-24 single-way ceiling cassette systems</a>.&#xA0;</p><p>The drainpipe directs water away from the unit. Improper installation can damage the unit or property.&#xA0;</p><h2 id="prerequisites"><u>Prerequisites&#xA0;</u></h2><p><strong>Caution</strong></p><ul><li style="font-size: 16px;">Insulate all piping to prevent condensation, which could lead to water damage.&#xA0;</li><li style="font-size: 16px;">If the drainpipe is bent or installed correctly, water may leak and cause a water-level switch malfunction.&#xA0;</li><li style="font-size: 16px;">In Heating mode, the outdoor unit will discharge water. Ensure the drain hose is placed in an appropriate area to avoid water damage and slippage.&#xA0;</li><li style="font-size: 16px;">Do not pull the drainpipe forcefully. This could disconnect it.</li></ul><p><strong>Installation Notes</strong></p><ul><li style="font-size: 16px;">When using an extended drainpipe, tighten the indoor connection with an additional protection tube to prevent accidental disconnection.&#xA0;</li><li style="font-size: 16px;">The drainpipe should slope downward at a gradient of at least 1/100 to prevent water from flowing back into the air conditioner.&#xA0;</li><li style="font-size: 16px;">To prevent the pipe from sagging, space the hanging wires every 3-feet, 3-3/8-inches to 4-feet, 11-inches (1-1.5 m).&#xA0;</li><li style="font-size: 16px;">If the drainpipe outlet is higher than the pump joint, install a lift pipe for the indoor unit&apos;s exhaust outlet. Do not install the lift pipe higher than 2-feet, 5-1/2-inches (749 mm) from the ceiling board. The distance between the unit and lift pipe must be less than 11-3/4 inches (300 mm). Improper installation may result in water backflow, potentially flooding the unit.&#xA0;</li><li style="font-size: 16px;">To prevent air bubbles, keep the drain hose level or slightly titled up by 3 inches (less than 75 mm).&#xA0;</li><li style="font-size: 16px;">The installation requires a polyethylene tube with an exterior diameter of 1 inch (25 mm). This tube can be obtained at a local hardware store or dealer.&#xA0;</li></ul><h2 id="1-plan-the-piping-layout"><u>1. Plan the Piping Layout</u></h2><p>Before beginning the installation, plan the drainage piping layout and connection.&#xA0;</p><h2 id="2-cut-the-piping"><u>2. Cut the Piping</u></h2><p>Cut the piping according to the intended layout and connection.</p><h2 id="3-insulate-the-drainpipe"><u>3. Insulate the Drainpipe</u></h2><p>Insulate each pipe before beginning the connection, excluding the joint sections. These will be insulated at the end of the procedure.</p><p>Ensure the insulation material is fitted tightly with no gaps. Do not over-tighten the insulation material. This may compress the air out of the material, causing poor insulation and early aging.&#xA0;</p><p><strong>Purpose</strong></p><p>Ensure all piping is properly insulated to prevent condensation. Insufficient insulation may allow dew to form due to low condensate temperatures, resulting in potential water damage.&#xA0;</p><p><strong>Select the Insulation Material</strong></p><p>The insulation material must be made of flame-retardant material. Select a material that complies with local regulations.&#xA0;</p><p>The thickness of the insulation material must be more than 3/8 of an inch (10 mm).&#xA0;</p><p>Apply specialized adhesive to the insulation seams, then secure them with tape. Ensure the tape is at least 2 inches (51 mm) wide. Make sure the tape is applied firmly to prevent condensation.&#xA0;</p><h2 id="4-install-the-drainpipe"><u>4. Install the Drainpipe</u></h2><p>Install the drainpipe as illustrated in the following figures. Connect the drainpipe to the indoor unit via the drain adapter.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051213-10b2b4d4-a57e-4ac4-bf16-7e69c8061dab-cyk24_drainpipe_installation.png" style="width: 600px;" class="fr-fic fr-dib fr-bordered"><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051213-f4aceac3-1ca5-4900-807c-295baa76cb3d-cyk24_drainpipe_installation_2.png" style="width: 800px;" class="fr-fic fr-dib fr-rounded fr-bordered"></p><p>When connecting multiple drainpipes, install them as illustrated:<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051213-73e9f4f6-f86b-4caf-80a7-7456a03c49be-cyk24_drainpipe_installation_multiple.png" style="width: 600px;" class="fr-fic fr-dib fr-bordered"></p><h2 id="5-pass-the-drainpipe-through-the-wall-hole"><u>5. Pass the Drainpipe Through the Wall Hole</u></h2><p>When passing the drainpipe through the wall hole, make sure the water drains to a safe location where it will not cause water damage or a slipping hazard.&#xA0;</p><p>The drainpipe outlet should be be at least 1-7/8 inches (48 mm) above the ground. If it touches the ground, the unit may become blocked, potentially leading to a malfunction.&#xA0;</p><p>If the water is discharged directly into the sewer, ensure the drain hose has a U or S pipe to prevent odors from coming back into the house.&#xA0;</p><h2 id="6-complete-a-drainage-test"><u>6. Complete a Drainage Test</u></h2><p>For information on completing a drainage test for ceiling cassette systems, click this <a href="https://help.pioneerminisplit.com/en-US/install-drainage-test-single-way-cassette-6088617" target="_blank" rel="noopener noreferrer">link</a>. New buildings should perform this test before finishing the ceiling.&#xA0;</p><h2 id="7-insulate-the-joint-sections"><u>7. Insulate the Joint Sections</u></h2><p>The pipe joint insulation should 2-4 inches (51-102 mm) longer than the gap to ensure a proper seal.&#xA0;</p><p>Insert the pipe joint insulation into the gap of the existing insulation.&#xA0;</p><p>Ensure the pipe joint insulation is securely fastened to the suction and liquid pipes to prevent gaps. Use glue to paste together the linking part. Do not over-tighten the insulation material. This may compress the air out of the material, causing poor insulation and early aging.&#xA0;</p>

Install the Drainpipe for CYK-24 Single-Way Ceiling Cassette Systems

This article explains how to install the drain joint for CYK-24 single-way ceiling cassette outdoor units.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains how to install the drain joint for <a href="https://www.pioneerminisplit.com/collections/cyk" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette</a> outdoor units.&#xA0;</p><p>Before anchoring the outdoor unit, install the drain joint at the bottom of the unit. When mounting the outdoor unit on slabs, the installation of the drain joint and tubing is not necessary.&#xA0;</p><h2 id="isPasted"><u>Notes</u></h2><p>In cold climates, make sure the drain hose is as vertical as possible to ensure swift water drainage. If water drains too slowly, it can freeze in the hose and flood into the unit.&#xA0;</p><h2 id="steps"><u>Steps</u></h2><p>1. Find the outdoor unit&apos;s base pan hole.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051213-f6c4f28e-e492-4d00-8a79-71258289c787-cyk24_odu_installation_step1.png" style="width: 600px;" class="fr-fic fr-dib fr-bordered"></p><p>2. Fit the rubber seal on the end of the drain joint that will connect to the outdoor unit.&#xA0;</p><p>3. Insert the drain joint into the hole of the unit&apos;s base pan. The drain joint will click into place.&#xA0;</p><p>4. Connect a drain hose extension (not included) to the drain joint in order to redirect water from the unit during Heating mode.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051213-5ab966a2-5e54-433b-b2fe-0cae10a507d2-cyk24_odu_installation_step2.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p>

Install the Drain Joint for CYK-24 Single-Way Ceiling Cassette Outdoor Units

This article explains how to mount outdoor units for CYK-24 single-way ceiling cassette systems.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains how to mount outdoor units for <a href="https://www.pioneerminisplit.com/collections/cyk" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette systems</a>.&#xA0;</p><h2 id="warning"><u>Warning</u></h2><p>When drilling into concrete, eye protection is recommended at all time.&#xA0;</p><h2 id="notes"><u>Notes</u></h2><p>Before mounting the outdoor unit, read these notes:&#xA0;</p><p><strong>General Notes</strong></p><ul><li style="font-size: 16px;">Before connecting any pipes or cables, install the outdoor unit on a pad or solid wall using suitable mounting brackets.&#xA0;</li><li style="font-size: 16px;">Decide the best position on the wall or ground and leave enough space in order to carry out maintenance easily.</li><li style="font-size: 16px;">Follow all national regulations when installing the unit. &#xA0;</li></ul><p><strong>Mounting on Slabs</strong></p><ul><li style="font-size: 16px;">The installation of the drain joint and tubing is not necessary when mounting the unit on slabs.&#xA0;</li></ul><p><strong>Wall Mounting</strong></p><ul><li style="font-size: 16px;">Before mounting the unit on the wall, make sure the wall is made of solid brick, concrete, or a similarly strong material. The wall must be able to support at least four times the weight of the unit.</li><li style="font-size: 16px;">Fasten the supporting brackets to the wall using the hardware that is particularly suited for the type of wall. Use the appropriate amount of hardware for the application. Installing four rubber pads is optional.&#xA0;</li><li style="font-size: 16px;">If allowed, install the wall-mounted unit with rubber gaskets to reduce vibration and noise.&#xA0;</li></ul><h2 id="dimensions"><u>Dimensions</u></h2><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051214-a36f5a82-c0e0-4a0f-8e36-a964901586b8-cyk24_odu_dimensions.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered"></p><p>Prepare the installation base of the unit according the dimensions below:&#xA0;</p><table style="width: 100%;" id="isPasted"><tbody><tr><td style="background-color: rgb(239, 239, 239); text-align: center; width: 21.4495%;" rowspan="2" class="fr-thick"><strong>Model Number</strong></td><td style="width: 32.6501%; background-color: rgb(239, 239, 239); text-align: center;" rowspan="2" class="fr-thick"><strong>Dimensions<br>W x D x H</strong></td><td style="width: 45.6808%; background-color: rgb(239, 239, 239); text-align: center;" colspan="2" class="fr-thick"><strong>Mounting Dimensions</strong></td></tr><tr><td style="width: 23.1332%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>Distance A</strong></td><td style="width: 22.5773%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>Distance B</strong></td></tr><tr><td style="text-align: center; width: 21.4495%;" rowspan="2" class="fr-thick">YN009GMSI24RPG<strong><br></strong></td><td style="width: 32.6501%; text-align: center;" class="fr-thick">30-1/8 in x 12 in x 21-7/8 in</td><td style="width: 23.1332%; text-align: center;" class="fr-thick">17-3/4 in</td><td style="width: 22.5773%; text-align: center;" class="fr-thick">11-1/4 in</td></tr><tr><td style="width: 32.6501%; text-align: center;" class="fr-thick">765 mm x 303 mm x 555 mm</td><td style="width: 23.1332%; text-align: center;" class="fr-thick">452 mm</td><td style="width: 22.5773%; text-align: center;" class="fr-thick">286 mm</td></tr><tr><td style="text-align: center; width: 21.4495%;" rowspan="2" class="fr-thick">YN012GMSI24RPG</td><td style="width: 32.6501%; text-align: center;" class="fr-thick">30-1/8 in x 12 in x 21-7/8 in</td><td style="width: 23.1332%; text-align: center;" class="fr-thick">17-3/4 in</td><td style="width: 22.5773%; text-align: center;" class="fr-thick">11-1/4 in</td></tr><tr><td style="width: 32.6501%; text-align: center;" class="fr-thick">765 mm x 303 mm x 555 mm</td><td style="width: 23.1332%; text-align: center;" class="fr-thick">452 mm</td><td style="width: 22.5773%; text-align: center;" class="fr-thick">286 mm</td></tr><tr><td style="text-align: center; width: 21.3763%;" class="fr-thick" rowspan="2">YN018GMSI24RPG</td><td style="width: 32.6501%; text-align: center;" class="fr-thick">35 in x 13-1/2 in x 26-1/2 in</td><td style="width: 23.1332%; text-align: center;" class="fr-thick">26-1/8 in</td><td style="width: 22.5773%; text-align: center;" class="fr-thick">13-7/8 in</td></tr><tr><td style="width: 32.6501%; text-align: center;" class="fr-thick">890 mm x 342 mm x 673 mm</td><td style="width: 23.1332%; text-align: center;" class="fr-thick">663 mm</td><td style="width: 22.5773%; text-align: center;" class="fr-thick">354 mm</td></tr></tbody></table><p><br></p><h2 id="install-the-unit-on-the-ground-or-a-concrete-mounting-platform"><u>Install the Unit on the Ground or a Concrete Mounting Platform</u></h2><p>1. Mark the positions for the four bolts based on the dimensions.&#xA0;</p><p>2. Pre-drill holes for the bolts.&#xA0;</p><p>3. Clean the concrete dust away from the holes.&#xA0;</p><p>4. Place a nut on the end of each bolt.&#xA0;</p><p>5. Hammer the bolts into each hole.&#xA0;</p><p>6. Remove the nuts from the bolts and place the outdoor unit onto the bolts.&#xA0;</p><p>7. Put washers onto each expansion bolt, then replace each of the nuts.&#xA0;</p><p>8. Use a wrench to tighten each nut until snug.&#xA0;</p><h2 id="install-the-unit-on-wall-mounted-bracket"><u>Install the Unit on Wall-Mounted Bracket</u></h2><p>1. Mark the positions for the bracket holes based on the dimensions.&#xA0;</p><p>2. Pre-drill holes for the bolts.&#xA0;</p><p>3. Clean the concrete dust away from the holes.&#xA0;</p><p>4. Place a washer and nut on the end of each bolt.&#xA0;</p><p>5. Thread expansion bolts through the holes in the mounting bracket. Then, put the mounting bracket in position and hammer the expansion bolts into the wall.&#xA0;</p><p>6. Confirm the mounting bracket is level.&#xA0;</p><p>7. If the feet of the outdoor unit have rubber pads already installed and are using a local dealer&apos;s wall-mounting bracket, remove them before attempting to mount the condenser to the bracket. The mounting bracket has rubber isolating pads on it that will take the place of these.&#xA0;</p><p>8. Carefully lift the unit and place its mounting feet on the brackets.&#xA0;</p><p>9. Bolt the unit firmly to the brackets.&#xA0;</p><h2 id="isPasted"><u>Install Multiple Outdoor Units</u></h2><p>If multiple outdoor units are being installed in a row, follow these guidelines:</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026042215-14e11bb1-f320-4e36-912b-306d3134d958-cyb20_odu_multiple.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>H: Unit height.&#xA0;</p><p>L: Height of the wall behind the unit.&#xA0;</p><p>A: Distance between the unit and wall.&#xA0;</p><table style="width: 100%;"><tbody><tr><td style="width: 33.3333%; text-align: center;" class="fr-thick"><br></td><td style="width: 33.3333%; text-align: center;" class="fr-thick"><strong>L</strong><br></td><td style="width: 33.3333%; text-align: center;" class="fr-thick"><strong>A</strong><br></td></tr><tr><td style="width: 33.2357%; text-align: center;" rowspan="2" class="fr-thick"><strong>L &#x2264; H</strong><br></td><td style="width: 33.3333%; text-align: center;" class="fr-thick">L &#x2264; 1/2H</td><td style="width: 33.3333%; text-align: center;" class="fr-thick">9-3/4 in (250 mm) or more</td></tr><tr><td style="width: 33.3333%; text-align: center;" class="fr-thick">1/2H &lt; L &#x2264; H</td><td style="width: 33.3333%; text-align: center;" class="fr-thick">11-3/4 in (300 mm) or more<br></td></tr><tr><td style="width: 33.3333%; text-align: center;" class="fr-thick"><strong>L &gt; H</strong><br></td><td style="width: 66.4714%; text-align: center;" colspan="2" class="fr-thick">Cannot be installed</td></tr></tbody></table>

Mount the Outdoor Unit for CYK-24 Single-Way Ceiling Cassette Systems

This article explains how to connect the electrical wiring for CYK-24 single-way ceiling cassette systems.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains how to connect the electrical wiring for <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette systems</a>.&#xA0;</p><p>Connect the outdoor unit wires before connecting the indoor unit wires.&#xA0;</p><h2 id="warnings"><u>Warnings</u></h2><p>Before performing any electrical work, read these warnings:&#xA0;</p><p><strong>General Warnings</strong></p><ul><li style="font-size: 16px;">All wiring must comply with local and national electrical codes and regulations. A licensed electrician must install all the wiring.&#xA0;</li><li style="font-size: 16px;">All electrical connections must be made according to the electrical connection diagram located on the panels of the indoor and outdoor units.&#xA0;</li><li style="font-size: 16px;">If there is a serious safety issue with the power supply, stop work immediately. Explain the reasoning to the client and refuse to continue the installation until the safety issue is properly resolved.</li></ul><p><strong>Power Warnings</strong></p><ul><li style="font-size: 16px;">The power voltage must be within 90-110% of the rated voltage. Insufficient power supply can cause a malfunction, electrical shock, or fire. &#xA0;</li><li style="font-size: 16px;">Only connect the units to an individual branch circuit. Do not connect other equipment to the same power circuit. &#xA0;</li></ul><p><strong>Wiring Warnings</strong></p><ul><li style="font-size: 16px;">Firmly connect every wire. Loose wiring can cause the terminal to overheat, resulting in product malfunction and possible fire.&#xA0;</li><li style="font-size: 16px;">Keep the wiring away from the copper tube, as the refrigerant circuit can become extremely hot.&#xA0;</li><li style="font-size: 16px;">Do not let wires touch or rest against the refrigerant tubing, compressor, or any moving parts.&#xA0;</li><li style="font-size: 16px;">Do not cross the electrical wiring with the signal wiring. This may cause distortion, interference, or possibly damage to the circuit boards.&#xA0;</li><li style="font-size: 16px;">Do not house wires of different voltages within the same wire tube. Avoid using metal wire tubes in environments prone to acid or alkali corrosion; use plastic wire tubes instead.&#xA0;</li><li style="font-size: 16px;">Do not place wire connect joints inside the tubing. If a wire connect joint is necessary, use a connection box at the point of the joint.&#xA0;</li></ul><h2 id="prerequisites"><u>Prerequisites</u></h2><p>Complete these prerequisites before connecting the electrical wiring:&#xA0;</p><ul><li style="font-size: 16px;">Turn off the main power to the system. After powering off the system, wait 10 minutes or more before touching the electrical components in order to avoid electrical shock.&#xA0;</li><li style="font-size: 16px;">Properly ground the system. &#xA0;</li><li style="font-size: 16px;">If the unit has an auxiliary electric heater, install it at least 3-feet, 3-3/8-inches (1 m) away from any combustible materials.&#xA0;</li><li style="font-size: 16px;">Install an external surge suppressor at the outdoor disconnect (recommended).&#xA0;</li><li style="font-size: 16px;">If connecting power to fixed wiring, incorporate a current leakage protection switch or circuit breaker that disconnects all poles with a contact separation of at least 1/8 of an inch (3 mm). Use only an approved switch or circuit breaker.</li><li style="font-size: 16px;"><strong>Service Disconnect:&#xA0;</strong>When the air conditioner&apos;s maximum current is more than 16A, use a service disconnect or leakage protection switch with a protective device (purchase separately). When the air conditioner&apos;s maximum current is less than 16A, equip the power cord of the air conditioner with a plug (purchase separately).&#xA0;<br><br>Select the service disconnect as required by local, regional, and national codes. In North America, wire the appliance according to NEC and CEC requirements.&#xA0;<br><br>The cograph is for explanation purposes only. The machine may be slightly different. The actual shape shall prevail.&#xA0;</li></ul><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026041718-c55f0d85-7555-4139-affb-b2459ce5e802-cyb20_service_disconnect.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered"></p><h2 id="cable-wiring-specifications"><u>Cable Wiring Specifications</u></h2><table style="width: 100%;"><tbody><tr><td style="width: 24.9268%; background-color: rgb(239, 239, 239); text-align: center;" rowspan="2" class="fr-thick"><strong>CYK-24</strong></td><td style="width: 24.9268%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>9K</strong></td><td style="width: 24.9268%; background-color: rgb(239, 239, 239); text-align: center;" class="fr-thick"><strong>12K</strong></td><td style="width: 33.3333%; background-color: rgb(239, 239, 239); text-align: center; width: 25.0000%;" class="fr-thick"><strong>18K</strong><br></td></tr><tr><td style="width: 74.9634%; background-color: rgb(239, 239, 239); text-align: center;" colspan="3" class="fr-thick"><strong>Sectional Area</strong></td></tr><tr><td style="width: 24.9268%; text-align: center;" class="fr-thick">Power Supply Cable</td><td style="width: 24.9268%; text-align: center;" class="fr-thick">18 AWG</td><td style="width: 24.9268%; text-align: center;" class="fr-thick">18 AWG</td><td style="width: 33.3333%; text-align: center; width: 25.0000%;" class="fr-thick">16 AWG</td></tr><tr><td style="width: 24.9268%; text-align: center;" class="fr-thick">Connection Cable for Communication Between the&#xA0;<br>Indoor and Outdoor Units</td><td style="width: 24.9268%; text-align: center;" class="fr-thick">16 AWG</td><td style="width: 24.9268%; text-align: center;" class="fr-thick">16 AWG</td><td style="width: 33.3333%; text-align: center; width: 25.0000%;" class="fr-thick">16 AWG<br></td></tr></tbody></table><p><br></p><p>Consult the nameplate on the system for detailed electrical specifications. The power wire sizes in the table assume the largest allowable fuse.&#xA0;</p><p>The 230V systems requires a double-pole breaker. The tandem-type will not work.<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026042416-51127370-f615-4594-91c5-6401b87817d8-cyb20_wiring_doublepole.png" style="width: 300px;" class="fr-fic fr-dib fr-bordered"></p><h2 id="connection-diagram"><u>Connection Diagram</u></h2><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051214-c5ffcd06-46bd-47a6-9876-2c16dd21321f-cyk24_electrical_wiring_diagram.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered"></p><h2 id="connect-the-wiring"><u>Connect the Wiring</u></h2><p><strong>Outdoor Unit Wiring</strong></p><p>1. Prepare the cable for connection.</p><p style="margin-left: 20px;">a) Begin by selecting the correct cable size and type according to local electrical codes and regulations.&#xA0;</p><p style="margin-left: 20px;">b) The minimum circuit ampacity of the unit determines the size of the power supply cable, signal cable, fuse, and switch needed. The minimum circuit ampacity is indicated on the nameplate located on the unit&apos;s side panel. Refer to the nameplate to select the correct cable, fuse, or switch.&#xA0;</p><p style="margin-left: 20px;">c) Use wire strippers to strip the rubber jacket from both ends of the signal cable to reveal 5-7/8 inches (150 mm) of the wire.&#xA0;</p><p style="margin-left: 20px;">d) Strip the insulation from the ends of the cable.&#xA0;</p><p style="margin-left: 20px;">e) Use a wire crimper to crimp U-lugs on the ends.&#xA0;</p><p>2. Remove the two screws attached on the front and side panels, then detach the panel to access the wire connections.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051214-9d9e743a-63e8-4377-a7f3-99f7fc64dc4e-cyk24_odu_cover_screw.png" style="width: 300px;" class="fr-fic fr-dib fr-bordered"></p><p>3. Connect the U-lugs to the terminals, matching the wire colors or labels with those on the terminal block. Firmly screw each U-lug to its corresponding terminal. Strictly follow the wiring diagram inside the electrical box cover when connecting the wires.&#xA0;</p><p>Select different colors for different wires according to relevant regulations. Ensure the wire colors for the wire colors for the outdoor unit and terminals match those used for the indoor unit.&#xA0;</p><p>Do not connect the power wire to the signal wire terminal. If the power and signal wires run parallel, place the wires in their own wire tube and maintain a gap of at least 11-3/4 inches (300 mm).&#xA0;</p><p>4. Clamp down the cable with the cable clamp. The cable must not be loose or pull on the U-lugs.&#xA0;</p><p>5. Insulate unused wires with electrical tape. Keep them away from any electrical or metal parts.&#xA0;</p><p>6. Reinstall the electrical control box&apos;s cover.&#xA0;</p><p><strong>Indoor Unit Wiring</strong></p><p>1. Prepare the cable for connection.&#xA0;</p><p style="margin-left: 20px;">a) Use wire strippers to strip the rubber jacket from both ends of the signal cable to reveal 5-7/8 inches (150 mm) of the wire.&#xA0;</p><p style="margin-left: 20px;">b) Strip the insulation from the ends of the cable.&#xA0;</p><p style="margin-left: 20px;">c) Use a wire crimper to crimp U-lugs on the ends.</p><p>2. Open the indoor unit&apos;s front panel. Use a screwdriver to remove the electrical control box cover.&#xA0;</p><p>3. Thread the power and signal cables through the wire outlet.&#xA0;</p><p>4. Connect the U-lugs to the terminals, matching the wire colors or labels with those on the terminal block. Firmly screw each U-lug to its corresponding terminal. Refer to the serial number and wiring diagram inside the electrical box cover when connecting the wires.&#xA0;</p><p>5. Clamp down the cable with the cable clamp. The cable must not be loose or pull on the U-lugs.&#xA0;</p><p>6. Reattach the electrical control box&apos;s cover.&#xA0;</p>

Connect the Electrical Wiring for CYK-24 Single-Way Ceiling Cassette Systems

This article explains how to install the panel for CYK-24 single-way ceiling cassette indoor units.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains how to install the panel for <a href="https://www.pioneerminisplit.com/collections/types?q=CYK-24" target="_blank" rel="noopener noreferrer">CYK-24 single-way ceiling cassette</a> indoor units.&#xA0;</p><h2 id="prepare-the-ceiling"><u>Prepare the Ceiling</u></h2><p><strong>Note:&#xA0;</strong>When necessary, reinforce the ceiling to maintain a level surface and minimize vibrations.&#xA0;</p><p>1. Drill a 1-foot, 4-7/8-inch x 4-foot, 3-1/8-inch (430 mm x 1,300 mm) hole into the ceiling, following the layout of the installation board. The center of the ceiling open should match the center of the indoor unit&apos;s body.&#xA0;</p><p>2. After the ceiling is cut, remove the installation board, then install the ceiling panel.</p><h2 id="install-the-panel"><u>Install the Panel</u></h2><p><strong>Note:&#xA0;</strong>The air grille is not meant to be tightened by the wire rope; it is specifically designed to be loose to allow for easier installation.&#xA0;</p><p>The procedure for installing the panel differs between the models.&#xA0;</p><p><strong>Model A</strong></p><p>1. Grab the air grille and pull it out slowly in the direction of the arrow.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-2ead7a5f-44c9-42ea-a44c-4432ce2adf02-cyk24_panel_installation_modela_step2_1.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>2. Pull the grille out of the panel, then attach the cassette panel to the single-way cassette using the two plastic buckles.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-689dcd1f-b97c-4296-8e68-4cd05b824191-cyk24_panel_installation_modela_step2_2.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>3. Manually rotate the air deflector, then attach the panel to the cassette using three M4*22 screws and a ST3.9*16 screw. Open the screw cover before attaching the screw, then close it once you&apos;re finished.&#xA0;</p><p>Eight M4*22 screws are supplied, two of which are spare. Two ST3.9*16 screws are supplied, one of which is a spare.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-856e6543-5596-4d45-ad18-cd9f359dd533-cyk24_panel_installation_m422_screws.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>4. Open the covers on both sides of the panel, then attach the panel to the cassette using three M4*22 screws.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-191680ce-3ff9-4c3d-a563-8d7211dda319-cyk24_panel_installation_m422_screws_2.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>5. Connect the display board to the main control board. Four wires are required for connection. The corresponding colors or pins are connected to each other.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-c49fca9c-3d29-4d17-bf46-5396da4d7f44-cyk24_panel_installation_display_panel.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>6. Install the control box cover and turn on the circuit breaker. Then, close the plastic covers on both sides of the panel.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-6eff1257-ec78-4892-9123-0c9bfc6ebcd1-cyk24_panel_installation_control_box_cover.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>7. During the test run, the display will light up and the air grille will rise automatically.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-7bcfd5af-ce1b-4fe8-abf5-f0d6e916f3ca-cyk24_panel_installation_air_grille.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p><strong>Model B</strong></p><p>1. Press the circular tabs to open the screw covers, then remove the two screws.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-8faf10f9-1e4d-40b1-a893-02e2ebb8491d-cyk24_panel_installation_modelb_screw_covers.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>2. Hold the air grille open, then push both latches toward the middle to unlock it.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-361638cf-9633-4e7a-aa70-cbbcf915c5c4-cyk24_panel_installation_modelb_air_grille.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>3. Pull the grille out of the panel, then attach the cassette panel to the one-way cassette using the two plastic buckles.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-9d1247ec-983a-402c-ae25-ea94585263af-cyk24_panel_installation_modelb_plastic_buckles.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p id="isPasted">4. Manually rotate the air deflector, then attach the panel to the cassette using three M4*22 screws and a ST3.9*16 screw. Open the screw cover before attaching the screw, then close it once you&apos;re finished.&#xA0;</p><p>Eight M4*22 screws are supplied, two of which are spare. Two ST3.9*16 screws are supplied, one of which is a spare.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-856e6543-5596-4d45-ad18-cd9f359dd533-cyk24_panel_installation_m422_screws.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>5. Open the covers on both sides of the panel, then attach the panel to the cassette using three M4*22 screws.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-191680ce-3ff9-4c3d-a563-8d7211dda319-cyk24_panel_installation_m422_screws_2.png" style="width: 500px;" id="isPasted" class="fr-fic fr-dib fr-bordered"></p><p>6. Connect the display board to the main control board. Four wires are required for connection. The corresponding colors or pins are connected to each other.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-c49fca9c-3d29-4d17-bf46-5396da4d7f44-cyk24_panel_installation_display_panel.png" style="width: 500px;" id="isPasted" class="fr-fic fr-dib fr-bordered"></p><p>7. Install the control box cover and turn on the circuit breaker. Then, close the plastic covers on both sides of the panel.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026051215-932891fa-459b-4063-ae05-b2934d488bfe-cyk24_panel_installation_control_box_cover.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>8. Reinstall the air grille by pushing the latch to lock it and attach the two screws. Then, close the two screw covers.&#xA0;</p>

Install the Panel for CYK-24 Single-Way Ceiling Cassette Indoor Units

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