Chapter 2: Installation
Complete the Installation Checklist
Page 33
Complete the Installation Checklist
You should now have completed all of the physical installation steps. Prior to starting the system, ensure that no
steps have been omitted by completing this installation and wiring checklist.
Date: _____________________ Unit Factory Number:_______________________(refer to the unit name plate)
Verify Physical Installation
Weather stripping has been attached to the air inlet and outlet of the WPU at the room side.
The entire machine is fastened.
All the leaks are sealed with gel.
The indoor temperature sensor, backup indoor temperature sensor, and humidity sensor have been mounted
around the controller box inside the shelter.
The aluminum grills are fastened.
The brackets at the bottom of the compressor have been removed and the screws refastened.
The outdoor temperature sensor is inside the sensor box and mounted outside the shelter. Sensor box drain
holes are facing downward and the through hole in the shelter wall has been sealed.
Verify Electrical Installation
A one-to-one correspondence exists between the 1 to 13 connections from WPU to controller box.
The 1 to 13 connections are secured.
The main voltage connections between each WPU and the prime power panel are secured.
The power connections between the controller box and power plant panel are secured.
Proper clearance is allowed between the cables and air damper in the WPU to avoid interference.
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