| LEGEND |
C | — Contactor |
COMPS — Compressors | |
IFC | — Indoor (Evaporator) |
| Fan Contactor |
NEC | — National Electrical Code |
TB | — Terminal Block |
Terminal Block
Connection
Splice Connection
(Factory Supplied)
Field Wiring
Factory Wiring
Fig. 9 — Power Wiring Connections
COOL STAGE 1 | Y1/W2 |
FAN | G |
HEAT STAGE 1 | W/W1 |
COOL STAGE 2 | Y/Y2 |
HEAT STAGE 2 | O/W2 |
24 VAC HOT | R |
24 VAC COM | C |
N/A |
|
OUTDOOR AIR | S1 |
SENSOR | S2 |
R
G
Y1
Y2
W1
W2
C
IPD/X
WIRE CONNECTIONS TO
UNIT LOW VOLTAGE | INTEGRATED | |
GAS UNIT | ||
CONNECTION | ||
CONTROLLER | ||
BOARD | ||
(IGC) | ||
|
THERMOSTAT DIPSWITCH SETTINGS
ON
OFF
A B C D
LEGEND
Field Wiring
NOTE: Underlined letter indicates active thermostat output when configured for A/C operation.
Fig. 10 — Low-Voltage Connections
RACEWAY | COMPRESSOR | COMPRESSOR |
| NO. 2 | NO.1 |