Installation
3.6 Complete the Installation Checklist
The physical installation should be complete. 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 inlets and outlets of the WPUs between the wall and the unit.
All machines are securely fastened to the wall.
All leaks are sealed with silicone.
The indoor temperature sensor, backup indoor temperature sensor, and humidity sensor have been installed
and are mounted away from direct or indirect supply or return air stream. Sensors should also be mounted away
from equipment or other heat sources.
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
Ethernet 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.
3.7 System Commissioning
A complete system operation verification is vital to ensure all components are operating correctly after
installation. A system commissioning checklist is available on Page 47. Follow the instructions in this section
to complete the checklist and leave a copy on site.
Note: See on Table 4-1 Page 52 for PGD button definitions.
3.7.1 Turn on Component Breakers and Primary Power
After completing the checklist, turn on all breakers in both the WPUs and controller box. Then reattach all
covers and panels before turning on the breakers in the prime power panel.
3.7.2 Verify Proper Phase connection (3 Phase Power Only)
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