User Guide

ViewStat Installation and Wiring
12
ViewStat Communicating Thermostat
FIG. 7 Wiring the VST-TSTAT to a VST-DIST Distribution Panel
Communications
Wire to Protocol Adapter,
other Distribution Panels or
directly to Automation System
A: Transmit B: Receive
4
1
2
3
REF
Switches
A - Allows Transmit
Communications
B - Allows Received
Communications
PWR - Turns power to
thermostat on/off
LEDs light when
communications are
transmitted (A)
or received (B)
ADDRESS #
ADDRESS #
ADDRESS #
ADDRESS #
ADDRESS #
ADDRESS #
ADDRESS #
ADDRESS #
LED will light up when
power to thermostat is switched on
Transformer
24 V, 40 VA minimum
up to 8 thermostats
C - 24 V (common) (-) if DC
R - 24 V (hot) (+) if DC
Main Power Switch
Turns main power to
Distribution Panel on/off
24VAC
GND
Rx+
Rx-
Tx+
Tx-