Contact: AIRSYS North America Phone: (855) 874-5380 Page 28 of 112
Email: ASNSupport@air-sys.com Web: http://airsysnorthamerica.com Rev 1.15
Table 9: Key Components in the Controller Box Assembly
Install Outdoor Temperature Sensor
The outdoor temperature sensor (ST3) that is connected to the controller box must be installed outside
the shelter. Use the following steps to complete this task.
1. Select the wall where the WPU is mounted.
2. Drill a 1/2-inch diameter hole for the outdoor temperature sensor (ST3) through the shelter wall.
3. Open the controller box assembly and locate the outdoor temperature sensor (ST3) assembly.