Comfort Stat CDT901 - Manual (Page 20)

CDT900 Series Touchscreen Programmable Thermostata
Table 1. Selecting Terminal Identifications for System Type.
System Type
Wallplate Terminal
Identifications
Wiring Diagram
Reference
Standard Heat/Cool Conventional 9, 10
Heat Only Conventional 11
Heat Only with Fan Conventional 12
Heat Only (Series 20) Power to open and
power to close zone valves
Conventional 13
Normally Open Zone Valves Heat Only Conventional 14
Cool Only Conventional 15
Standard Multistage up to 2 Heat/2 Cool Conventional 16, 17
Heat Pump with No Auxiliary Heat Heat Pump 18, 19
Heat Pump with Auxiliary Heat Heat Pump 20, 21
19