13
LEGEND
C
—
Contactor
COMP —
Compressor
EQUIP —
Equipment
GND
—
Ground
IFC
—
Indoor (Evaporator)
Fan Contactor
NEC
—
National Electrical Code
TB
—
Terminal Block
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
OUTDOOR AIR
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 PremierLink
t
Controls)
LOW VOLTAGE
CONNECTIONS
INTEGRATED GAS UNIT
CONTROLLER (IGC)
C06125
Fig. 15
---
Field Control Wiring
48H
E,
H
J