Rev 3.1 01/11/23 - 4 - Model 600 User Guide
Figure 2- Model 600 Wiring Diagram
2.4 Input/Output Function
The following matrix describes each input and output and what they are used for. Use this guide to determine
how you want to wire your Model 600 system.
2.4.1 Input Definitions
Temperature sensor used for control and monitoring of the HVAC system and facility
Zone 2
An optional second zone sensor used for control and monitoring. Can be used with the Zone 1
senor to control based on the highest reading or average reading
Humidity
4-20mA humidity sensor to monitor relative humidity in the facility and make control and
alarm decisions.
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