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STEP 1 - Connect O wire to the O terminal or B wire to the B terminal on
the 3M-22. (If you have both O and B - connect O wire to O terminal
DO NOT connect B to B terminal - see pg 24 Trane for B wire terminal)
This connects the change-over valve.
STEP 2 - Connect the Y wire to Y on the 3M-22.
This connects the Compressor.
STEP 3 - Connect the R wire to RH on the 3M-22.
This connects to the 24vac power.
STEP 4 - Connect the G wire to the G terminal on the
3M-22. This connects the Fan.
STEP 5 - Set Config jumpers per this diagram.
Your HVAC system is now connected
to the 3M-22.
Please Go To Page 9
B
or
O Y R G
PG
19
PG
20
4 Wire Heat Pump w/o Aux
OPTIONAL POWER
STEP 1 - Connect O wire to the O terminal or B wire to the B terminal on
the 3M-22. (If you have both O and B -connect O wire to O terminal DO
NOT connect B to B terminal - see pg 24 Trane for B wire terminal)
STEP 2 - Connect the W2 wire to W2 on the 3M-22.
STEP 3 - Connect the Y wire to Y on the 3M-22.
STEP 4 - Connect the R wire to RH on the 3M-22.
STEP 5 - Connect the G wire to G on the 3M-22.
STEP 6 - Set Config jumpers per this diagram.
Set jumper 1 if you have Gas or Oil aux heat.
Your HVAC system is now connected
to the 3M-22.
Please Go To Page 9
B
or
O W2 Y RH G
5 Wire Heat Pump w/ Aux Heat
3M-22
Terminals
YB
R G
C
HEAT PUMP SYSTEM
O
C B O W
2
W
Y Y
2
RH RC G A
SET JUMPERS
or
or
SET JUMPERS
3M-22
Terminals
Y
W2
B
R G
C
HEAT PUMP SYSTEM
O
C B O W
2
W
Y Y
2
RH RC G A
OPTIONAL POWER
or
or
1 2 3
4
6
8
5
7
1 2 3
4
6
8
5
7
?