MICRO-AIR EasyTouch 351 - Wiring the Thermostat

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©2021 Micro-Air Corp August 2, 2021, revision 1.4
Wiring the thermostat
There are three terminals on the back of EasyTouch labeled SIG, GND, and 12V. They will be
connected to the push terminals on the back of the EasyTouch thermostat. Use the information in Table
1 to determine the connections.
Table 1
Terminal Labels
Style 1
Style 2
EasyTouch
GND
-12V
GND
COM
COMMS
SIG
+12V
12V+
12V