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13
LEGEND
C—Contactor
COMP — Compressor
EQUIP — Equipment
GND — Ground
IFC — Indoor (Evaporator)
Fan Contactor
NEC — National Electrical Code
TB — Ter m i na l B l oc k
48HE003-006
48HE004,005
48HE004,005
48HE006
C06124
Fig. 12 --- Power Wiring Connections
WIRE
CONNECTIONS
TO
LOW-VOLTAGE
SECTION
COOL STAGE 1
FAN
HEAT STAGE 1
COOL STAGE 2
HEAT STAGE 2
24 VAC HOT
24 VAC COM
N/A
OUTDOORAIR
SENSOR
Y1/W2
G
W/W1
Y/Y2
O/W2
R
C
S1
S2
THERMOSTAT DIPSWITCH SETTINGS
R
G
Y1
Y2
W1
W2
C
IPD/X
ON
OFF
A
B
C
D
LEGEND
NOTE: Underlined letter indicates active thermostat output when
configured for A/C operation.
Field Wiring
C06008
Fig. 13 --- Low --Voltage connections With or
Without Economizer or Two --Position Damper
W2
C
Y1
G
R
Y2
W1
C
G
R
Y2
W1
X
W2
C
Y1
G
R
Y2
W1
X
24 VAC
RMTOCC
CMPSAFE
FSD
NOT USED
C
X
SFS
THERMOSTAT CONTROL
CONNECTION
BOARD
BOARD
CONNECTION
CONTROL
C06009
Fig. 14 --- Low --Voltage Connections
(Units with Pr emierLinkt Controls)
LOWVOLTAGE
CONNECTIONS
INTEGRATED GAS UNIT
CONTROLLER (IGC)
C06125
Fig. 15 --- Field Control Wiring
48HE,HJ