Installation guide

Thermostats Crestron CHV-TSTAT and CHV-THSTAT
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Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163E
Separately Powered Two Wire Heat Systems
(Powered by an Independent Transformer)
Independent Transformer Connection – P4 Jumper Connects Pins 2 and 3
1-Stage Heat Only Systems
1-Stage Heat Only System Powered – P4 Jumper Connects Pins 1 and 2