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Manual 2100-422M
Page 40 of 42
FH SERIES
WIRING DIAGRAM
IF ANY OF THE ORIGINAL WIRE AS
SUPPLIED WITH THIS APPLIANCE
MUST BE REPLACED, IT MUST BE
REPLACED WITH WIRING MATERIAL
HAVING A TEMP. RATING OF AT
LEAST 105°C EXCEPT PRIMARY
LIMIT WIRES. SEE NOTE "1".
WARNING
!
DASHED LINES
REPRESENT FIELD WIRING.
ONLY ONE HEATING
AND COOLING SPEED
CAN BE CONNECTED.
ALL OTHER TAPS
CONNECT TO "SPARE"
TERMINALS.
COOLING SPEED
CONNECTION POINT.
HEATING SPEED
CONNECTION POINT.
IF PRIMARY LIMIT WIRES
ARE TO BE REPLACED,
USE WIRE WITH INSUL.
TEMP. RATING OF 200°C.
5
4
3
2
NOTES
1
*ELECTRICAL SHOCK HAZARD
*DISCONNECT POWER BEFORE
SERVICING.
DANGER
!
COM
24V
120V
TRANSFORMER
BLUE
BLUE
WHITE
WHITE
WHITE
WHITE
YELLOW
NEUTRAL
WHITE
WHITE
PURPLE
PURPLE
PURPLE
PURPLE
GREEN
ORANGE
GROUND
GREEN
BROWN
BROWN
SEC2
SEC1
HEAT
RED
240
210
180
150
RWGYC
BLOWER CONTROL
T
T
L1
HUM
SPR2
BLACK
12
3
4
5
BLOWER ASSEMBLY
HOT
2112
3
4
567
8
9
BURNER ASS'Y
T
HEATING AND COOLING
MOTOR
IGNITOR
CAD CELL
IGNITOR
L2
T
OIL VALVE
BURNER
MOTOR
VALVE
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
L1
CAD CELL
BURNER
#1
PLUG #2
PLUG #3
CONTROL PANEL
BLACK
BLACK
HEAT EXCHANGER AREA
BLACK
UNIT
DOOR
CONTROL
WIRING
BACKUP
LIMIT
PLUG
5
CAPACITOR
2
WHITE
SWITCH
LIMIT
SPR3
BLOWER
PRIMARY
24V.
UNIT
YC
WRh
Y
G
CONN.
Rc
THERMOSTAT
COND.
OR EQUIVELANT
T87F/Q539A1220
RETURN AREA
VOLTAGE
LOW
3
VOLTAGE
FIELD
HIGH
SEE CHART FOR
COOL
EAC
L2
COM
SPR1
WIRE COLORS
1
4
4047-118 F
0.55 LOW (RED) 70°-100°
0.65 LOW (RED) 70°-100°
0.75 MED (BLUE) 60°-90°
0.85 LOW (RED) 70°-100°
1 MED-LOW (ORANGE
)
60°-90°
0.85 LOW (RED) 60°-90°
1 MED-LOW (ORANGE
)
60°-90°
FH085D36F
FH110D48F
FH110D60F
HIGH (BLACK)
FACTORY SETTINGS
INPUT
RATE
GPH
UNIT
COOLING BLOWER
SPEED (COLOR)
TEMP.
RISE
RANGE
HEATING BLOWER
SPEED (COLOR)
UNIT MOTOR CAPACITOR
FH085D36F 1/3 5/370
FH110D48F 1/2 7.5/370
FH110D60F 3/4 15/370
BLOWER CAPACITOR RATING
2 LOW (RED) 730
2 1/2 MED (BLUE) 900
3 HIGH (BLACK) 1160
2 1/2 LOW (RED) 1020
3 MED-LOW (ORANGE) 1280
3 1/2 MED-HIGH (BLUE) 1495
4 HIGH (BLACK) 1640
3 LOW (RED) 1300
3 1/2 MED-LOW (ORANGE) 1460
4 MID-HIGH (BLUE) 1660
5 HIGH (BLACK) 1970
NOM.
A/C
TONS
UNIT
CFM @
.50 WC
COOLING BLOWER
SPEED (COLOR)
FH085D36F
FH110D48F
FH110D60F
OPTIONAL AIR COND. SETTINGS