Operating instructions
20
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
20261301 REV. 1
IMPORTANT:
4
L
1
COMB
BLOWER
ACB
WARNING:DISCONNECT POWER BEFORE SERVICING.
CONTROL BOARD
(TERMINAL ORDER REARRANGED)
C
A
P
A
C
I
T
O
R
O.D.
FAN
MOTOR
COM
208
230
LOAD
LINE
TRANSFORMER
FAN
HERM
COM
GND
FIELD CONNECTION
208/230 VAC 1Ø
WARNING:DISCONNECT P OWER
BEFORE SERVICING.
AUX LIMIT
CONTROL
PRIMARY ROLLOUT
LIMIT (RL)
LIMIT
AIR
CIRCULATION
BLOW ER
(ACB)
CAPACITOR
(CAP)
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
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
2
0
8
2
3
0
7
C
A
P
10
CC
2. IF ANY ORIGINAL WIRE IS REPLACED, 105 ºC 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.
RD-24
BK-26
BU-23
FACTORY WIRED MOTOR CONNECTIONS
PGB24C0452E
MOTOR
SPEEDS
* HEATING BLOWER SPEED
SPEED
PGB24C0702E
PGB30C0702E
PGB24C0902E
PGB36C0902E
PGB30C0902E
PGB36C0702E
4
4
4
4
4
4
4
** COOLING BLOWER SPEED
SPEEDMOTOR TO "HEAT"
LOW YL-27
MED HI BU-23
HI BK-26
MED HI BU-23
HI BK-26
MED HI BU-23
HI BK-26
MOTOR TO "COOL"
LOW YL-27
LOW YL-27
LOW YL-27
MED LOW RD-24
MED LOW RD-24
MED HI BU-23
MED HI BU-23
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
3
4
5
6
2
1
T1
L1
L2 T2
PGB42C0902E 2 HI BK-26 HI BK-26
9 3
M
C
FS
6
2
3
0
2
0
8
N
3
1
2
YL-27
BK
(208V)
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 (D SI)
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
COOL
HEAT UNUSED L1 L1
D1
READ BEFORE OPERATING OR SERVICING THIS
UNIT WARNI NG: DISCONNECT POWER BEFOR E
SERVICING.
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
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,
NO
NC
5. UNUSED BLOWER MOTOR LEADS MUST BE PLACED ON
UNUSED MOTOR TERMINALS OF CONTROL OR TAPED.
6. IF HEATING AND COOLING BLOWER SPEEDS ARE NOT THE
SAME DISCARD JUMPER BEFORE CONNECTING BLOWER LEADS.
7. COOLING ON/OFF FAN DELAY SETTING: 7 SECONDS ON
AND 30 SECONDS OFF.
1. AMANA SPECIFIED REPLACEMENT PARTS MUST BE
USED WHEN SERVICING.
N
4
FS
T1
FOR PROPER OPERATION ON 208 VOLT THE
FOLLOWING CHANGES MUST BE MADE:
MOVE BK17 WIRE FROM TRANSFORMER
230 TERMINAL TO 208 TERMINAL.
UNPLUG RED COMBUSTION BLOWER LEAD
FROM CONTROL BOARD TERMINAL (DI) AND
ATTACH BLACK BLOWER LEAD TO TERMINAL.
TAPE UNUSED RED LEAD.
BK-26
YL-27
3
4
5
6
2
1
208 VOLT INSTALLATION
GAS VALVE
(GV)
1
2
3
M
C
P
2 SPEED
BLOWER
4 SPEED
BLOWER
GV
R
S
C
FAN
COM
HER M
CAP
T1 T2
CO MP
OD
FAN
CC
GND
L1 L2
208/230 VAC 1Ø
G
C
R
W
Y
FLAME
SENSOR
R
Y
W
G
C
CYCLE TIMER;7 FLASHES= LOW FLAME SENSE
CURRENT; 8 FLASHES= 5 LIMIT TRIPS
WITHIN A SINGLE CALL FOR HEAT.
BU-36
THERMOSTAT
THERMOSTAT
DSI
AIR
CIRCULATION
BLOWER
(ACB)
COMPRESSOR
1Ø WIRING
CS
R
C
O
M
WARNING
TO PREVENT PROPERTY DAMAGE, PERSONAL INJURY OR DEATH, DISCONNECT ELECTRICAL POWER TO THIS FURNACE BEFORE
SERVICING OR PERFORMING MAINTENANCE.