This article explains how to configure Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems for rear air return operation.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains how to configure <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer" id="isPasted">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a> for rear air return operation.&#xA0;</p><p>The indoor unit comes pre-configured for downward air return, but can be modified for rear (backward) air return operation if needed.&#xA0;</p><h2 id="steps"><u>Steps</u></h2><p>Follow these steps to convert the air return direction:&#xA0;</p><p><strong>1. Downward Air Return (Factory Default)</strong></p><p>The return is configured to draw from the underside of the unit.&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012614-256bd9be-efd2-4f95-85b3-d1528d030525-ryt24_rear_air_return_1.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><p><strong>2. Disassemble the Filter and Back Panel</strong></p><p>Loosen the screws to remove the mesh filter and filter frame from the bottom panel. Then, remove the back panel cover by loosening the mounting nuts.&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012614-6c1f311b-20b6-4555-993f-75d1c0eb2384-ryt24_rear_air_return_2.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><p><strong>3. Reinstall the Filter for Rear Return</strong></p><p>Mount the mesh filter and frame onto the rear (back) air return opening. Reattach the cover to the bottom return opening to seal it.</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012614-2dd6172d-95b4-48d5-8ad2-e8cdbeb2c0f2-ryt24_rear_air_return_3.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p><p><strong>4. Rear Air Return Configuration Complete</strong></p><p>The unit is now configured for rear air return operation.&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012614-67789f9c-4cb2-43c5-b5bf-d928092c08f6-ryt24_rear_air_return_4.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p><br></p>

Configure Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems for Rear Air Return Operation

This article explains how to install the hanging bolts for Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains how to install the hanging bolts for <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a>.&#xA0;</p><h2 id="steps"><u>Steps</u></h2><p id="isPasted">Use four &#x215C;-inch threaded hanging bolts and eight washers and nuts to suspend the indoor unit. The hanging bolts are not included with the system.&#xA0;</p><p>The center-to-center distance between the bolts must match the specifications provided for the unit size.&#xA0;</p><h2 id="ceiling-structure-mounting-methods"><u>Ceiling Structure Mounting Methods</u></h2><p><strong>Finished Concrete (Brick or Slab)</strong></p><ul><li>Use expansion bolts to fix the hanging hooks directly into the concrete.&#xA0;</li><li>Drill a hole to a depth of 1.8-2.0 inches (45-50 mm) to ensure proper anchoring.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120519-9acdda98-ea43-402f-896f-b74a8d546465-cyt24_mounting_methods_finished_concrete.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li></ul><p><strong><strong>New Concrete Bricks</strong></strong></p><ul><li>Use one of the following methods to embed the screw bolts:&#xA0;<ul><li>Blade-type insertion</li><li>Slide-in channel insertion</li></ul></li><li>Ensure that the screw bolts are anchored firmly into embedded steel reinforcements bars.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120519-b5e217b3-6454-4962-a330-aef43ae7bbcc-cyt24_mounting_methods_new_concrete_bricks.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li></ul><p><strong>Steel Roof Beam Structure</strong></p><ul><li>Install the supporting angle steel brackets.&#xA0;</li><li>Mount the hanging bolts through the brackets and secure as shown below:<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120519-7d5d335b-06d0-4499-af41-ff648fed8625-cyt24_mounting_methods_steel_roof_beam.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li></ul><p><strong><strong>Wooden Construction</strong></strong></p><ul><li>Secure the angle iron across the wooden joints.&#xA0;</li><li>Secure the hanging screw bolts through the channel and into the ceiling structure below.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120519-853cb164-a68a-4f64-aefc-2085f0b66493-cyt24_mounting_methods_wooden_construction.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li></ul>

Install the Hanging Bolt for Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems

This article explains how to select the indoor unit installation location for Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains how to select the installation location for indoor units of <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a>.&#xA0;</p><h2 id="select-the-location"><u>Select the Location</u></h2><p>Follow the tolerances depicted in the illustration below:&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120215-562d4c6b-d4c7-442e-8ba7-7ee6e8f9151a-ryt24_indoor_unit_installation_location.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered"></p><p id="isPasted">Position the air handler in the center of the area intended to be air conditioned, ensuring the best air distribution.&#xA0;</p><p>Follow these site selection guidelines when installing the indoor unit to prevent malfunction, damage, or hazardous conditions:</p><p><strong>Do Not:&#xA0;</strong></p><ul><li>Install the unit in areas where flammable gases may accumulate (e.g., fuel storage areas, chemical plants).&#xA0;</li><li>Install the system in coastal or seaside locations with salty air exposure (unless the system is specifically treated for corrosion resistance).&#xA0;</li><li>Install the unit in environments containing caustic gases such as sulfur compounds near hot springs or industrial zones.&#xA0;</li><li>Mount the unit in spaces that cannot support its full operational weight such as weak ceilings or unstable walls.&#xA0;</li><li>Install the unit in kitchens or areas heavily exposed to oil fumes, vapors, or grease accumulation.&#xA0;</li><li>Install the unit in areas subject to strong electromagnetic interference such as near factories, radio transmitters, and heavy-duty electrical equipment.&#xA0;</li><li>Install the unit near sources or acidic or alkaline vapors, including industrial cleaners or chemical discharge zones.&#xA0;</li><li>Install the system in tightly enclosed spaces with inadequate ventilation, which may restrict airflow and service access.&#xA0;</li><li>Install the system in high-humidity spaces such as laundry rooms or bathrooms without sufficient moisture control.&#xA0;</li><li>Install the unit in areas with heat sources such as stoves, open flames, or direct exhaust that could affect the unit.&#xA0;</li><li>Install the unit in sites with interferences from outdoor air that could disrupt airflow patterns (e.g., near open windows or vents).&#xA0;</li><li>Neglect proper electrical insulation for the air conditioner-building wiring. Installation must comply with national electrical safety standards.&#xA0;</li></ul><p id="isPasted"><strong>Do:</strong></p><ul><li>Install the unit in a well-ventilated location with sufficient clearance for proper airflow, maintenance, and servicing.&#xA0;</li><li>Install the unit in a site with a flat and stable surface or ceiling capable of bearing the full operational weight of the unit.&#xA0;</li><li>Install the unit in an area with unobstructed air inlet and outlet paths, ensuring balanced air distribution throughout the room.&#xA0;</li><li>Install the unit in a location that allows for a short, direct path for condensate drainage, in accordance with local building codes.&#xA0;</li><li>Install the unit in an area protected from direct sunlight, which could impair performance or overheat the system.&#xA0;</li><li>Install the unit in a position at least 3 feet (1 m) away from antennas, power lines, telephones, security systems, or other electrical / radio interference sources.&#xA0;</li><li>Install the unit in a location that will permit the airflow to circulate evenly throughout the room, avoiding dead zones or drafts.&#xA0;</li><li>Install the unit in a conveniently accessible area for installation and future servicing needs.&#xA0;</li><li>Install the unit in a site where users can be educated on operation and maintenance procedures, such as cleaning filters and using the control system.&#xA0;</li></ul>

Select the Indoor Unit Installation Location for Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems

This article explains how to suspend the air handler unit for Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains how to suspend the air handler unit for <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a>.&#xA0;</p><h2 id="steps"><u>Steps</u></h2><p>Following these steps to suspend the air handler:&#xA0;</p><ol><li>After setting the hanging bolts in place, slide one nut and washer onto each bolt. Position the nuts slightly above the final resting place of the four suspension brackets. Use tape to keep the washer in place.&#xA0;</li><li>Align the four hanging bolts into the T-groove of the indoor unit&apos;s hanging bracket. The hanging bolts are not included with the system.&#xA0;</li><li>Carefully lift and suspend the indoor unit using two people or a mechanical lifting device.&#xA0;</li><li>Use a bubble level or built-in indicator to ensure that the unit is perfectly level.&#xA0;</li><li>Attach components in the following order:<ul><li>Nut (upper)</li><li>Gasket (upper)</li><li>Suspension bracket</li><li>Gasket (lower)</li><li>Nut (lower)&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026011917-d0b689e8-1fdb-403f-8fad-610e8e685011-ryt24_attach_components.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li></ul></li><li>Use an &#x215C;-inch locking nut to secure the final assembly. Fine-tune the adjustment until the cassette is level.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026011917-419904f8-c6e9-48ed-901a-9313f8f4185f-ryt24_level_indicator.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered">Tighten all nuts firmly to ensure a stable and vibration-free installation, then re-check the levelness. <img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120520-c4890b31-1956-4bc1-b4c8-cf0d922e34c5-cyt24_suspend_air_handler_tighten_nuts.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li></ol><h2 id="notes"><u>Notes</u></h2><ul><li>If installing the unit in a location with a Sheetrock (plasterboard) ceiling, it&apos;s recommended to provide an access panel at a suitable location. This will facilitate the final connection of the refrigerant piping, condensate drain, and electrical wiring, allowing for future maintenance access. If installing an access panel is not possible, ensure that all final connections are completed before installing the cassette cover panel.&#xA0;</li><li>If installing the cassette body in a location that is more than 80&#xB0;F (27&#xB0;C) and 80% RH, add a 0.4 inch (10 mm) insulation layer of polyethylene or similar material around the unit.&#xA0;</li><li>Before installing the panel, complete all piping and wiring connections.&#xA0;</li><li>Verify the indoor unit and ceiling opening dimensions are correct prior to panel installation.&#xA0;</li><li>Seal all connection point gaps between the panel, ceiling, and indoor unit.&#xA0;</li></ul>

Suspend the Air Handler for Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems

This article explains the additional leakage sensor for the Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains the additional leakage sensor for the <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a>.&#xA0;</p><p>The auxiliary refrigerant leak sensor monitors the system operation. If refrigerant concentration exceeds the alarm threshold, the system will stop the compressor and start the circulation fan for safety.&#xA0;</p><p>The refrigerant leak sensor is equipped to systems for safety.</p><h2 id="location-of-the-leakage-sensor"><u>Location of the Leakage Sensor</u></h2><p><strong id="isPasted">Note:&#xA0;</strong>The actual location may vary depending on the model and cabinet design.&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120516-5cbc9873-56a7-45d2-b859-434b811400bf-ryt24_additional_leakage_sensor.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered"></p><h2 id="isPasted"><u>Notes</u></h2><ul><li>Use the additional leakage sensor in only specific installation scenarios that require an auxiliary refrigerant leak sensor to be installed.&#xA0;</li><li>The refrigerant sensor has a design life of 15 years. Replace the sensor within its service life.&#xA0;</li><li>The following are the alarm indicators for the refrigerant sensor:&#xA0;<table style="width: 74%; margin-right: calc(26%);"><thead><tr><th style="width: 65.8519%; text-align: center;" class="fr-thick"><strong>Condition</strong><br></th><th style="width: 33.9406%; text-align: center;" class="fr-thick"><strong>Error Code</strong><br></th></tr></thead><tbody><tr><td style="width: 65.8519%; text-align: center;" class="fr-thick">Refrigerant Leak Detected</td><td style="width: 33.9406%; text-align: center;" class="fr-thick">Display &quot;Hd&quot;</td></tr><tr><td style="width: 65.8519%; text-align: center;" class="fr-thick">Communication Error with Refrigerant Sensor</td><td style="width: 33.9406%; text-align: center;" class="fr-thick">Display &quot;Fd&quot;</td></tr></tbody></table></li><li>Only use manufacturer-approved sensors as replacements.&#xA0;</li></ul>

Understand the Additional Leakage Sensor for Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems

This article explains the best duct selection practices for Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains the best duct selection practices for <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a>.&#xA0;</p><h2 id="outlet-duct-connection-guidelines"><u>Outlet Duct Connection Guidelines</u></h2><p>This unit supports both rectangular and round duct connections. We do not have specific ducting recommendations as each project and scenario are different. However, follow the instructions below to ensure proper airflow and system performance.&#xA0;</p><p><strong>Rectangular Ducting</strong></p><p>Connect the rectangular air ducts directly to the indoor unit&apos;s discharge outlet using rivets or other secure fastening methods.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012114-d97d28c0-7574-4d03-9d56-f6bddf4cf622-ryt24_duct_selection_practices_rectangular_ducting.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p><strong>Round Ducting</strong></p><p>Connect the round ducts using a transition adapter between the round duct and the unit&apos;s rectangular outlet. The outlet can then branch to one or more supply air grilles or air outlet windows as needed.&#xA0;</p><p><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012114-1342ad74-cc04-469d-b8a7-c41ad1ca8c6f-ryt24_duct_selection_practices_round_ducting.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p><strong>Important Notes</strong></p><ul><li>Use airflow diverters or branch dampers to balance airflow to multiple outlet grilles, if needed.&#xA0;</li><li>Ensure that the air velocity at each outlet is consistent in order to maintain uniform comfort throughout the conditioned space.&#xA0;</li><li>Always comply with local building codes and ducting best practices when routing and insulating ducts.&#xA0;</li></ul><h2 id="return-air-duct-installation"><u>Return Air Duct Installation</u></h2><p>The return air intake can be configured for either bottom (underside) or rear (sideways) return, depending on the project layout. Use the following procedures for proper installation.&#xA0;</p><p><strong>Bottom (Underside) Return Configuration</strong></p><p>Use a section of pleated canvas duct as a flexible connection between the unit&apos;s return air opening and return air grille. Secure the duct to the unit and grille using rivets or suitable fasteners.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012114-89d4c6fa-6809-4b59-8835-26c14c821b6a-ryt24_duct_selection_practices_bottom_return.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>The flexible canvas connection allows for adjustment based on the ceiling height. In addition, the connection helps absorb vibration, reduce noise, and prevent ceiling panel movement during operation.&#xA0;</p><p><strong>Rear (Sideways) Return Configuration</strong></p><p>Fabricate or obtain a rigid return air duct, then connect it securely to the unit&apos;s return air opening using rivets.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012114-0c15857f-2a8a-4eae-ab0d-826ebcc7c20e-ryt24_duct_selection_practices_rear_return.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><p>Connect the opposite end of the duct to the return grille or air return window.&#xA0;</p><p>A duct flex connector is recommended at the grille end to allow slight movement and provide noise isolation.&#xA0;</p><p><strong>Note:&#xA0;</strong>Regardless of the configuration, always ensure that all connections are airtight and structurally supported to avoid air leakage, vibration, and noise during operation.&#xA0;</p>

Understand the Best Duct Selection Practices for Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems

This article explains how to wire the indoor unit for Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems.

<h2 id="introduction"><u>Introduction</u></h2><p>This article explains how to wire the indoor unit for <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a>.&#xA0;</p><h2 id="connect-the-signal-cable"><u>Connect the Signal Cable</u></h2><p>There are three terminals (1, 2, 3) and ground (g). It is vital that the colors and numbers between the indoor and outdoor units match for each terminal. The color selection does not matter as much as matching number to number does. Do not mix up the wires between each end.&#xA0;</p><p>Consult the diagram affixed to the indoor and outdoor units respectively for specific wiring instructions.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012115-a3af8acd-a76a-463d-a662-63cc655630e4-ryt24_wire_idu_simplified_diagram.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></p><h2 id="indoor-unit-wiring"><u>Indoor Unit Wiring</u></h2><p>Open the electrical junction box to access the wiring terminals. Ensure that all connecting wires are routed through the wire-inlet rubber grommet to maintain a proper seal.&#xA0;</p><p>Connect the wires in accordance with the wiring diagram, then verify that all wire strands are fully inserted and securely clamped at the terminals. All connections must be tight and free of looseness.&#xA0;</p><table style="width: 100%;"><tbody><tr><td style="width: 33.237%; text-align: center; background-color: rgb(239, 239, 239);" colspan="2" rowspan="2" class="fr-thick"><strong>RYT-24</strong></td><td style="width: 16.6185%; text-align: center; background-color: rgb(239, 239, 239);" class="fr-thick"><strong>9K</strong></td><td style="width: 16.6185%; text-align: center; background-color: rgb(239, 239, 239);" class="fr-thick"><strong>12K</strong></td><td style="width: 16.6667%; text-align: center; background-color: rgb(239, 239, 239);" class="fr-thick"><strong>18K</strong></td><td style="width: 16.6667%; text-align: center; background-color: rgb(239, 239, 239);" class="fr-thick"><strong>24K</strong></td></tr><tr><td style="width: 66.474%; text-align: center; background-color: rgb(239, 239, 239);" colspan="4" class="fr-thick"><strong>Sectional Area (AWG)</strong></td></tr><tr><td style="width: 26.1561%;" rowspan="3" class="fr-thick"><div style="text-align: center;">Power Supply Cable</div></td><td style="width: 7.1532%; text-align: center;" class="fr-thick">L2</td><td style="width: 16.6185%; text-align: center;" rowspan="3" class="fr-thick">14 AWG</td><td style="width: 16.6185%; text-align: center;" rowspan="3" class="fr-thick">14 AWG</td><td style="width: 16.6185%; text-align: center;" rowspan="3" class="fr-thick">12 AWG</td><td style="width: 16.6185%; text-align: center;" rowspan="3" class="fr-thick">12 AWG</td></tr><tr><td style="width: 7.1532%; text-align: center;" class="fr-thick">L1</td></tr><tr><td style="width: 7.1532%;" class="fr-thick"><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012115-25fcd207-460b-4a37-a256-4a81767aba7a-ryt24_wire_idu_symbol.png" style="width: 50px;" class="fr-fic fr-dib"></td></tr><tr><td style="width: 26.1561%; text-align: center;" rowspan="4" class="fr-thick">Connection Cable for Communication Between Indoor &amp; Outdoor Units</td><td style="width: 7.1532%; text-align: center;" class="fr-thick">3(L)</td><td style="width: 16.6185%; text-align: center;" rowspan="4" class="fr-thick">16 AWG</td><td style="width: 16.6185%; text-align: center;" rowspan="4" class="fr-thick">16 AWG</td><td style="width: 16.6185%; text-align: center;" rowspan="4" class="fr-thick">16 AWG</td><td style="width: 16.6185%; text-align: center;" rowspan="4" class="fr-thick">16 AWG</td></tr><tr><td style="width: 7.1532%; text-align: center;" class="fr-thick">2(N)</td></tr><tr><td style="width: 7.1532%; text-align: center;" class="fr-thick">1(S)</td></tr><tr><td style="width: 7.1532%;" class="fr-thick"><img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012115-c95f7295-b611-4d7a-ac5e-f8f50fd557f9-ryt24_wire_idu_symbol.png" style="width: 300px;" class="fr-fic fr-dib"></td></tr></tbody></table><p><br></p><h2 id="notes"><u>Notes</u></h2><ul><li>Consult the nameplate on the system for detailed electrical specifications.&#xA0;</li><li>230V systems require a double-pole breaker (tandem-type will not work).&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012115-a78f00c2-defd-455c-adf7-16ca5711d80d-ryt24_wire_idu_double_pole_230v_breaker.png" style="width: 500px;" class="fr-fic fr-dib fr-bordered"></li></ul>

Wire the Indoor Unit for Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems

This article explains how to wrap the lines and seal the air gaps for Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems.

<h2 id="isPasted"><u>Introduction</u></h2><p>This article explains how to wrap the lines and seal the air gaps for <a href="https://www.pioneerminisplit.com/collections/quantum-ultra-ducted-ceiling-concealed" target="_blank" rel="noopener noreferrer">Quantum Ultra Ducted Ceiling Concealed (RYT-24) systems</a>.&#xA0;</p><p><strong>Note:</strong> Even small gaps can result in air or water leakage, or cause condensation to form.&#xA0;</p><h2 id="steps"><u>Steps</u></h2><ol><li>Arrange the pipes, cables, and drain hose correctly.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120815-2cb79760-f9ef-4b9a-a29d-55fa8197be57-cyt24_connect_refrigerant_piping_idu_bundle.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></li><li>Lag the pipe joints with insulation material and secure them with vinyl tape.&#xA0;<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2025120815-77bbaf96-163b-4af8-bf76-077a3fcad7f6-cyt24_connect_refrigerant_piping_idu_vinyl_tape.png" style="width: 400px;" class="fr-fic fr-dib fr-bordered"></li><li>Run the bound bundle through the wall hole, ensuring not to kink the drainpipe when binding.&#xA0;</li><li>Ensure that all the connections between the panel and ceiling, as well as between the panel and indoor unit are properly sealed.&#xA0;</li></ol>

Wrap the Lines & Seal the Air Gaps for Quantum Ultra Ducted Ceiling Concealed (RYT-24) Systems

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