Wiring Diagram - Contemporary Controls BASstat BAST-421C-B2 User Manual

Bacnet communicating thermostat for modulating fan coil operation
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recommended. AC power sources that power several half-wave devices have a common
secondary connection called COMMON, LO, or GROUND. Connect the HOT side of the
secondary to the 24 VAC high side input on the BASstat and the LO side to 24 VAC common.
WARNING: Devices powered from a common AC source could be damaged if a mix of half-
wave and full-wave rectified devices are both present. If you are not sure of the type of
rectifier used by another device, do not share the AC source with it.

Wiring Diagram

3.4
Wiring: 14 to 22 AWG wires or 1.5mm
wires.
2
Page 10
UM-15093000-AA1

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