Install guide
PG 14
PG 15
PG 15
4 Wire Heat Pump (heat/cool) without Auxiliary Heat
STEP 1 - Connect O wire to the O or B wire to the B terminal. This connects the change-over valve.
If you have both O and B - connect the O wire to the O terminal.
WARNING: DO NOT connect B to B terminal (see wire reference under Trane for B wire terminal).
STEP 2 - Connect the Y wire to Y terminal. This connects the compressor.
STEP 3 - Connect the R wire to RH. This connects the power.
STEP 4 - Connect the G wire to the G. This connects the fan.
STEP 5 - Set HVAC selection switch to HEAT PUMP and set the HEAT
TYPE to ELEC.
Your HVAC system is now connected to the 3M-30.
Please Go To Page 6
5 Wire Heat Pump w/ Aux Heat
STEP 1 - Connect O wire to the O or B wire to the B terminal. This connects the change-over valve.
If you have both O and B - connect O wire to O terminal.
WARNING: DO NOT connect B to B terminal (see wire reference under Trane for B wire terminal).
STEP 2 - Connect the W2 wire to W2 terminal. This connects the auxiliary heat
STEP 3 - Connect the Y wire to Y terminal. This connects the compressor.
STEP 4 - Connect the R wire to RH terminal. This connects the power.
STEP 5 - Connect the G wire to G terminal. This connects the fan.
STEP 6 - Set HVAC selection switches to heat pump and:
If you have gas or oil aux heat, set the HEAT TYPE to GAS.
If you have electric aux heat, set the HEAT TYPE to ELEC.
Your HVAC system is now connected to the 3M-30.
Please Go To Page 6
POWER
Terminals
YB
R G
C
HEAT PUMP SYSTEM
O
C B O
W
2
W
Y Y
2
RH RC G A
or
or
C H B O
W
2
W
Y Y
2
RH RC G A
Terminals
Y
W2
B
R G
C
HEAT PUMP SYSTEM
O
REMOTE POWER
or
or