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PG
15
2 WIRE HEAT Heating GAS MILLIVOLT or 24vac
NOTE: Wires marked with
dotted line are optional.
PG
16
3 Wire Heat
3M-22
W
R
C
GAS Milivolt Heat
C B O W
2
W
Y Y
2
RH RC G A
3M-22
W
R G
C
HVAC SYSTEM
C B O W
2
W
Y Y
2
RH RC G A
STEP 1 - Connect the R (or RH) wire to the RH terminal on
the 3M-22. This connects the Heater Power to the thermostat.
STEP 2 - Connect the W wire to the W on the 3M-22.
This connects the heater control line to the 3M-22.
STEP 3 - Set Config jumpers per this diagram.
Your Heater is now connected to the 3M-22.
Please Go To Page 9
STEP 1 - Connect the R (or RH) wire to the RH terminal
on the 3M-22. This connects to the Heater Power .
STEP 2 - Connect the W wire to the W terminal on the
3M-22. This connects the heater control line to the
3M-22.
STEP 3 - Connect the G wire to the G terminal on the
thermostat. This connects the Fan to the 3M-22
STEP 4 - Set Config jumpers per this diagram. If you
have Electric heat set 5, if you have Gas or Oil set 7.
Your system is now connected to the 3M-22.
Please Go To Page 9
OPTIONAL POWER
OPTIONAL POWER
SET JUMPERS
SET JUMPERS
or
1 2 3
4
6
8
5
7
1 2 3
4
6
8
5
7