Installation
3.4.3 Position Indoor Temperature Sensor
The indoor temperature sensor (ST1) is located at the bottom of the controller box. The sensor monitors the
shelter temperature to control the WPU operation. Slide the sensor through the port on the bottom left side of
the controller box. Tighten the port cover to hold the sensor cable in place.
Figure 3-10 Position the Indoor Temperature Sensor
3.5 Complete Electrical Connections
3.5.1 Cautions
Danger. Only an authorized service technician should make the electrical connections to the
WPUs and the controller box.
Important. The electrical wiring of the unit must comply with IEC standards or with appropriate
national standards.
Danger. The power supply must be disconnected or turned off before working on the unit.
Important. Noncompliance with these instructions may cause damage to the WPU or the controller
box. Not following instructions can void the warranty.
Important. No modification to the unit’s electric circuit is allowed. If a change is required, it must
be authorized by AIRSYS in writing.
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