AMX ViewStat - Manual (Page 36)

ViewStat Installation and Wiring
30 ViewStat Communicating Thermostat
Single-stage heat pump configuration
FIG. 22 Single-stage heat pump configuration
ViewStat
(from MiniVerter)
Black
(common)
Red
(power)
IMPORTANT! The B terminal is for reversing valve-heat. DO NOT connect the B
terminal to the common side of the transformer.