Installing CYB-20 Four-Way Ceiling Cassette Systems: Getting StartedUpdated 4 days ago
Introduction
This article provides an overview of the installation process for the Quantum Ultra Four-Way Ceiling Cassette (CYB-20) system.
Each section in this article represents a step in the installation process. Click the link in each section to learn about that specific step.
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.
1. Selecting the Installation Location for the Indoor & Outdoor Units
We recommend understanding the criteria for selecting ideal locations for the indoor and outdoor units.
- Read this article for guidelines on selecting the ideal installation locations for your indoor and outdoor units.
2. Installing the Indoor Unit
First, hang the indoor unit and secure the conduit installation plate. Then, drill a hole through the wall for the refrigerant piping and condensate drain hose. Finally, attach the condensate drain hose to direct water away from the unit.
- Follow these steps on hanging the indoor unit.
- Read this article for information on securing the conduit installation plate.
- View this article to learn about drilling the wall hole for the piping.
- Follow these steps on connecting the condensate drain hose.
3. Installing the Outdoor Unit
Next, prepare the drain line for the outdoor unit, and then mount the unit.
- View this article for information on installing the optional drain joint for the outdoor unit.
- Read this article to learn about mounting the outdoor unit.
- Follow these steps on installing the drain hose for the outdoor unit.
4. Connecting the Refrigerant Pipes
Once the indoor and outdoor units are installed, connect the refrigerant pipes.
- Read this article for information on connecting the refrigerant pipes.
5. Connecting the Communication Cable
Connect the communication cable for the system, starting with the outdoor unit wires followed by the indoor unit wires.
The 4-lead communication cable provides two power supply wires, one signal wire, and ground wire. The wires are individually insulated and bundled together inside the outer protective jacket. These wires are also pre-fitted with U-lugs on their ends.
- Read our article on how to connect the communication cable.
6. Evacuating the Refrigerant Circuit
Use a vacuum pump and manifold gauge to evacuate the refrigerant circuit, removing any non-condensable gas and moisture from the system.
Qualified and well-trained personnel must complete the evacuation of the refrigerant circuit.
- Read this article for instructions on evacuating the refrigerant circuit.
7. Installing the Front Panel for the Indoor Unit
Secure the front panel to the indoor unit. Make sure to perform the panel installation after the piping and wiring have been completed.
- Read this article for information on installing the front panel for the indoor unit.
8. Performing a Test Run
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.
- Read this article for instructions on performing a test run.