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SPECIFICATIONS Magic-Pak: HW/HWC
2-26
SRM-HW/HWC 2/99
#39007D4
FIGURE 2-5 Connection Diagram
HWC122, 182, 242, 302
(w/Fenwal 05-29 Ignition Contr(w/Fenwal 05-29 Ignition Contr
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208/230-1-60
POWER SUPPLY
COPPER CONDUCTORS
ONLY
GAS
VALVE
LINE VOLTAGE - FACTORY
LINE VOLTAGE - FACTORY (WHEN USED)
LINE VOLTAGE - FIELD
LOWVOLTAGE - FACTORY
LOWVOLTAGE - FIELD
CIRCUITS ENERGIZED
OPERATING MODE
CIRCUIT
HEATING
COOLING
FAN
R-W
R-G-Y
R-G
NOTE:
IF ANY OF THE ORIGINAL
WIRES ARE REPLACED,
THE SAME SIZE AND TYPE
WIRE MUST BE USED.
EVAPORATOR MOTOR
MODELS
SPEED CONNECTIONS
HEATING
COOLING
26HWC122
38HWC122
38HWC182
38HWC242
51HWC182
51HWC242
51HWC302
64HWC182
64HWC242
64HWC302
LOW (RED)
MED (BLUE)
HIGH (BLK)
MED (BLUE)
LOW (RED) LOW (RED)
LOW (RED)
LOW (RED)
LOW (RED)
MED (BLUE)
MED (BLUE)
MED (BLUE)
MED (BLUE)
MED (BLUE)
MED (BLUE)
HIGH (BLK)
HIGH (BLK)
HIGH (BLK)
HIGH (BLK)
HIGH (BLK)
*
*
*
*
JUMPER REQUIRED
FORWIRING
SEETABLE
SEETABLE
MOTOR
BLOWER
CAPACITY
BLOWER
IGNITION
CONTROL
BLACK
BLACK
P.SW
V1
IND
L1
V2
S1
TS
ELECTRODE
CABLE
GREEN
RED
BLACK
BLACK
WHITE
GND
FLAME
SENSOR
BLACK
BLACK
COMBUSTION
BLOWER
BROWN
WHITE
ORANGE
ORANGE
BLUE
BLUE
MANUAL
RESET
WHITE
PRESSURE
SWITCH
WHITE
SWITCH
LIMIT
NO
NC
C
RED
WHITE
R
W
Y
G
R
W
Y
G
RED
YELLOW
BLUE
WHITE
GREEN
CONNECTOR
BLOCK
RED
BLUE
BLACK
CONTACTOR
208V
240V
TRANS-
BLACK
BLUE
RED
YEL YEL
TIME DELAY
(IF USED)
BLK
BLK
YEL
BLUE
FORMER
WHITE
GREEN
COMP T’STAT
(IF USED)
T1
T2
L1
L2
C
R
W
G
C
L1
H
BLK
BLACK
BLACK
BLACK
RED
BLOWER
CONTROL
CONDENSER FAN
FAN
COM
HERM
CAPACITOR-RUN
S
C
R
VIOLET
BROWN
YELLOW
RED
RED
YEL
BROWN
BLK
BLUE
RED
Note: On units that are equipped with a low ambient switch (designated with an “SA” in the model
number), sequence of operation during cooling call is modified when outdoor temperatures fall
below the normal operating range. For more information on the low ambient switch equipped
version of this unit, see the section beginning on page 2-38.