Operating instructions
21
YL YELLOW
OR ORANGE
VT VIOLET
GN GREEN
BK BLACK
BR BROWN
WH WHITE
BU BLUE
GY GRAY
RD RED
COLOR CODE
LOW VOLTAGE
LOW VOLTAGE FIELD
HI VOLTAGE
HI VOLTAGE FIELD
20261201 REV. 2
IMPORTANT:
4
L
1
COMB
BLOWER
ACB
R
S
C
FAN
CO M
HERM
CAP
T1 T2
CO MP
OD
FAN
CC
WARNING:DISCONNECT POWER BEFORE SERVICING.
CONTROL BOARD
(T E RMI NAL ORD ER R EAR RAN GE D)
GND
COMPRESSOR
1 WIRING
C
A
P
A
C
I
T
O
R
O.D.
FAN
MOTOR
COM
208
230
LOAD
LINE
TRANSFORMER
C
S
R
FAN
HERM
COM
GND
FIELD CONNECTION
208/230 VAC 1Ø
WARNING:DISCONNECT POWER
BEFORE SERVICING.
AUX LIMIT
CONTROL
PRIMARY ROLLOUT
LIMIT (RL)
LIMIT
AIR
CIRCULATION
BLOWER
(ACB)
CAPACITOR
(CAP)
NC
NO
COM
COMBUSTION
BLOWER
(CB)
AIR PRESSURE
SWITCH (PS)
21
N
1
C
O
O
L
H
E
A
T
D
I
N
28
T
1
L1 L2
F
S5
N0
NC
C
PS
RL
L
I
M
I
T
A
U
X
L
I
M
I
T
2 X
4 F
M
V R
C
O
M
2
0
8
2
3
0
7
C
A
P
208/230 VAC 1Ø
10
CC
FOR PROPER OPERATION ON 208 VOLT THE
FOLLOWING CHANGES MUST BE MADE:
208 VOLT INSTALLATION
MOVE BK17 WIRE FROM TRANSFORMER
230 TERMINAL TO 208 TERMINAL.
1. AMANA SPECIFIED REPLACEMENT PARTS MUST BE
USED WHEN SERVICING
2. IF ANY ORIGINAL WIRE IS REPLACED, 105 °C WIRE MUST
BE USED.USE COPPER CONDUCTORS ONLY.
3. EQUIPPED FOR 230 VOLT OR 208 VOLT.
4. HEAT ON/OFF FAN DELAY FACTORY SETTINGS: 30
SECONDS ON AND 120 SECONDS OFF.
5. UNUSED BLOWER MOTOR LEADS MUST BE PLACED ON
RD-24
BK-26
BU-23
FACTORY WIRED MOTOR CONNECTIONS
PGB42C1152E
MOTOR
SPEEDS
* HEATING BLOWER SPEED
SPEED
PGB48C0902E
PGB48C1402E
PGB48C1152E
PGB60C1402E
PGB60C0902E
PGB60C1152E
3
3
3
3
3
3
3
** COOLING BLOWER SPEED
SPEEDMOTOR TO "HEAT"
MED BU-23
LOW RD-24
MED BU-23
HI BK-26
LOW RD-24
MED BU-23
HI BK-26
MOTOR TO "COOL"
LOW RD-24
MED BU-23
MED BU-23
MED BU-23
HI BK-26
HI BK-26
HI BK-26
RD
10
VT
20
RD
15
VT
16
YL-12
BK
27
BR
11
VT
16
BR
BR
OR-22
OR-19OR-49
BR-21
VT-14
RD
(230)
VT
(COM)
MODELS
C
O
M
L
1
AND 30 SECONDS OFF.
3
4
5
6
2
1
L
P
S
T1
L1
L2 T2
9 3
M
C
FS
6
DSI
2
3
0
N
3
1
2
3
2
1
6
54
9
8
7
12 11 10
6
VT
37
RD
13
VT-34
RD-29
GY
25
RD
1
VT-18
YL-11
DIRECT SPARK
IG NITOR (DSI)
R
Y
W
G
C
RD
YL
WH
GN
GY-25
L1
L2 GND
GY-70
WH
WH
DETAIL 1
0
9
0
1
2
0
1
5
0
DETAIL 1
ADJUSTABLE FAN SETTING
(FACTORY SETTING AS SHOWN)
L2 L2 L2 L2
C OOL H EAT
UNUSED L1 L1 D1
READ BEFORE OPERATING OR SERVICING THIS
UNIT WARNING : DISCONN ECT POWER BEFORE
SERVICING.
N
4
G
11
VT-47
BK
17
OR
GY-25
OR OPEN ROLL OUT; 5 FLASHES= FLAME
DETECTED WITH GAS VALVE CLOSED; 6
FLASHES= COMPRESSOR DELAYED ON SHORT
CYCLE TIMER;7 FLASHES = LOW FLAME SENSE
CURRENT; 8 FLASHES = 5 LIMIT TRIPS WITHIN A
SINGLE CALL FOR HEAT.
9. COMPRESSOR SHORT CYCLE DELAY: 3 MIN.
STARTUP DELAY AFTER POWER LOSS.
8. DIAGNOSTIC LIGHT: STEADY ON= STANDBY MODE;
STEADY OFF= INTERNAL FAULT OR NO POWER; 1
FLASH= LOCKOUT; 2 FLASHES= PS STUCK OPEN;
3 FLASHES= PS STUCK CLOSED; 4 FLASHES=
OPEN HIGH LIMIT SWITCH, AUX LIMIT SWITCH,
LOW PRESSURE
SWITCH
YL/BK
FS
T1
GAS VALVE
(GV)
1
2
3
M
C
P
C
GV
R
W
Y
FLAME
SENSOR
UNUSED MOTOR TERMINALS OF CONTROL OR TAPED.
6. IF HEATING AND COOLING BLOWER SPEEDS ARE NOT THE
SAME DISCARD JUMPER BEFORE CONNECTING BLOWER LEADS.
BU-36
THERMOSTAT
THERMOSTAT
7. COOLING /FAN ONLY ON/OFF FAN DELAY SETTING: 7 SECONDS ON
WARNING
TO PREVENT PROPERTY DAMAGE, PERSONAL INJURY OR DEATH, DISCONNECT ELECTRICAL POWER TO THIS FURNACE BEFORE
SERVICING OR PERFORMING MAINTENANCE.