Amana GMSS9 Series Service Instructions Manual page 38

ACCESSORY WIRE DIAGRAMS
POWER SUPPLY
INPUT
FURNACE DEMAND
OUTPUT
BLOWER FAN DEMAND
OUTPUT
POWER SUPPLY INPUT
(COMMON)
SECOND STAGE FURNACE
DEMAND OUTPUT
COMPRESSOR OUTPUT
SECOND STAGE
COMPRESSOR OUTPUT
REVERSING VALVE
OUTPUT
POWER SUPPLY OUT
TO THERMOSTAT
CALL FOR
REVERSING VALVE
CALL FOR
COMPRESSOR
CALL FOR
EMERGENCY HEAT
CALL FOR
BLOWER FAN
CALL FOR
FURNACE HEAT
POWER SUPPLY COMMON
OUT TO THERMOSTAT
CALL FOR 2ND STAGE
FURNACE HEAT
CALL FOR 2ND STAGE
COMPRESSOR
POWER SUPPLY OUT
TO HP CONTROL
HP CALL FOR FURNACE
(DURING DEFROST)
REVERSING
VALVE OUTPUT
COMPRESSOR
CONTACTOR OUTPUT
POWER SUPPLY COMMON
OUT TO HP CONTROL
ODT (OUTDOOR
THERMOSTAT)
2ND STAGE COMPRESSOR
DEMAND OUTPUT
This wiring diagram is for reference only. Not all wiring is as shown above.
(For use with Heat Pumps in conjunction with 80% or 90% Single-Stage or Two-Stage Furnaces)
38
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.
ALL FUEL SYSTEM CONTROL BOARD - AFE1860A
F1 3A
P1-8
R
P1-7
F W1
P1-4
U
G
R
P1-6
C
N
P1-5
A
W2
P1-2
C
Y
E
P1-3
Y2
P1-1
O
24VAC
P2-2
R
T
P2-1
O
H
P2-7
E
Y
R
P2-8
E
M
P2-5
G
O
P2-9
S
W1
T
P2-3
C
C
A
P2-4
T
W2
P2-6
Y2
24VAC
P3-9
R
P3-8
H W2
P3-7
E
O
A
P3-2
Y
T
P3-6
C
C
P3-3
P
OT-NO
U
P3-1
OT-NC
M
P3-4
P
OT-C
P3-5
Y2
BREAK FOR ODT
ALL FUEL SYSTEM CONTROL BOARD - AFE18-60A
Refer to the appropriate wiring diagram for the unit being serviced.
24VAC
+VD C
+5VDC
POWER
SUPPLY
C
+5VDC
E/W1
1. 0K
MICROPROCESSOR
O
6. 8K
Y
6. 8K
W1-FURN
W2-HP
+VD C
24VAC
G-STAT
K1
G-FURN
K2
Y2-HP
+VDC
Y2-STAT
Y2-FURN
K4
Y-STAT
Q1
Y-FURN
Y-HP
K3
Q2