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THREE-WIRE
BLK
BLK
WHT
WHT
GND
115-VOLT FIELD-
JUNCTION
SUPPLIED
BOX
FUSED
DISCONNECT
Fig. 25 - - 1- -Speed Variable Furnace with Single- -Speed
Air Conditioner
NOTE 2
W
C
FIVE
WIRE
HEATING-
ONLY
W2
COM
W/W1
NOTE 1
Y/Y2
R
CONTROL
BOX
G
24-VOLT
TERMINAL
NOTES: 1.
BLOCK
FURNACE
Fig. 24 - - Heating and Cooling Application Wiring Diagram
A190367
FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING
1-STAGE
THERMOSTAT
Y
R
G
TERMINALS
CONDENSING
UNIT
Connect Y/Y2-terminal as shown for proper operation.
2.
Some thermostats require a "C" terminal connection as shown.
3.
If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
Fig. 26 - - 1- -Speed Variable Furnace with Two- -Speed Air
18
FIELD-SUPPLIED
FUSED DISCONNECT
208/230- OR
460-VOLT
THREE
PHASE
208/230-
VOLT
SINGLE
PHASE
GND
Conditioner
A95236
A190369
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