IM 1193 / Page 28 of 32
Wiring Diagrams
PGAN with Hydronic Heat
IO-440
02/2013
FOR A HEAT PUMP
THERMOSTAT USED
ON A STRAIGHT
COOL UNIT
GL - LOW SPEED
GH - HIGH SPEED
7
CM
COMP
EM
FC
F
HPS
HTR
RCCF
RVC
TR
VSM
VSTM
R
OUTDOOR FAN MOTOR
COMPRESSOR
EVAPORATOR MOTOR
FAN CAPACITOR
FUSE
HIGH PRESSURE SWITCH
HEATER ELEMENT
RELAY
RUN CAPACITOR
FOR COMPRESSOR AND FAN
REVERSING VALVE
TRANSFORMER
VARIABLE SPEED MOTOR
VARIABLE SPEED TERMINAL BOARD
LI
N
E
1
H
E
AT
E
R
1
H
E
AT
E
R
2
LI
N
E
2
C
O
M
PR
ES
S
O
R
FA
N
H
IG
H
FA
N
LO
W
R
E
V
VA
LV
E
R
D
R
D
R
R
D
B
L
BK
BK
CO
M
G
N
D
23
0/
265
TO
M
O
TO
R
V
ST
M
O
D
48
5
RS
7
7
BK
R
D
R
D
BK
BK
Model or Mfg. #
Starts With
High Speed
VSTM Black
Low Speed
VSTM Red
MTC15
1650
1350
Outdoor Motor Speed Selection
Wiring is subject to change.
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE
SERVICING OR INSTALLING THIS UNIT.
MULTIPLE POWER SOURCES MAY BE
PRESENT. FAILURE TO DO SO MAY CAUSE
PROPERTY DAMAGE, PERSONAL INJURY
OR DEATH.