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SPECIFICATIONS Magic-Pak: HW/HWC
2-4
SRM-HW/HWC 2/99
FIGURE 2-1 Connection Diagram
GREEN
BLACK
BLK
M
ORN
ORN
VIOLET
RED
BLUE
WHT
RED
BLACK
BLUE
YELLOW
WHITE
GREEN
RED
FLAME ROD
ELECTRODE
4
6
2
RGWCY
BLACK
BLACK BLACK
GAS
VALVE
MANUAL RESET
LIMIT SWITCH
COMBUSTION
BLOWER
RED
BLUE
YELLOW
RED
YELLOW
D
208 V
RED
BLUE
240 V
CAPACITORCAPACITOR
BLOWER
208/230-1-60
POWER SUPPLY
COPPER CONDUCTORS
ONLY
}
THERMOSTAT
}
JUMPER REQUIRED
*
*
*
*
HIGH(BLACK)HIGH(BLACK)HIGH(BLACK)64HWC30364HWC303
HIGH(BLACK)MED (BLUE)51HWC30351HWC303
MED (BLUE)MED (BLUE)HIGH(BLACK)HIGH(BLACK)64HWC24364HWC243
MED (BLUE)MED (BLUE)MED (BLUE)51HWC24351HWC243
MED (BLUE)MED (BLUE)LOW (RED)38HWC24338HWC243
LOW (RED)LOW (RED)HIGH(BLACK)HIGH(BLACK)64HWC18364HWC183
LOW (RED)LOW (RED)MED (BLUE)51HWC18351HWC183
LOW (RED)LOW (RED)LOW (RED)38HWC183
MED (BLUE)MED (BLUE)HIGH(BLACK)HIGH(BLACK)38HWC12338HWC123
MED (BLUE)MED (BLUE)LOW (RED)26HWC12326HWC123
T2
T1
L2
L1
COOLINGCOOLINGHEATINGHEATINGMODELSMODELS
EVAP.MOTOR SPEED CONNECTIONSEVAP.MOTOR SPEED CONNECTIONS
BLACK
BLACK
RED
BLACK
BLACK
RED
RED
YELLOWYELLOW
BLUE
BLACK
VIOLET
YELLOW
RED
BLUEBLUE
BLACK
BROWN
BROWN
NOTE:
IF ANY OF THE ORIGINAL
WIRES ARE REPLACED,THE
SAME SIZE AND TYPEWIRE
MUST BE USED.
W
Y
G
R
LINE VOLTAGE-FACTORY
LINE VOLTAGE-FACTORYWHEN USED
LINE VOLTAGE-FIELD
LOWVOLTAGE-FACTORY
LOWVOLTAGE-FIELD
W
Y
G
R
GND
24VAC
UNUSED
HEAT
COOL
L1
CMB
L
H
R
C
S
FAN
COM HERM
SEE
CHARTCHART
FORWIRING
PRESSURE
SWITCH
AUTO RESET
LIMIT SWITCH
IGNITION
CONTROLCONTROL
TRANSFORMERTRANSFORMER
CONTACTOR
BLOWER
CONTROL
BLOWER
CONTROL
BLOWER
MOTOR
CAPACITOR-RUN
CONDENSER FANCONDENSER FAN
COMP
CONNECTORCONNECTOR
BLOCKBLOCK
ORN
VIOLET
BLK
CONNECTION DIAGRAMCONNECTION DIAGRAM
CIRCUITS ENERGIZED
OPERATING MODE CIRCUIT
HEATING R-W
COOLING R-G-Y
FAN R-G
3
1
5
1
2
3
4
5
#45004-1
DIAGNOSTICS
The following blower/ignition control board
LED codes will indicate normal or abnormal
operations:
SLOW FLASH Normal Operation, No
Call for Heat
FAST FLASH Normal Operation, Call for
Heat
2 FLASH System Lockout - Failed to
Detect or Sustain Flame
3 FLASH Pressure Switch Open or
Closed
4 FLASH High Limit or Rollout
Switch Open
5 FLASH Flame Sensed and Gas
Valve Not Energized
STEADY Internal Failure
(Micro-controller Failure;
Self-check)
HWC123, 183, 243, 303
(w/United Technologies 1097 Spark Ignition System)
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 2-36.