53DFS250-HW
3
69-2565—05
M32489A
C
G1
Y
O
RC
R
H2
NOT
USED
G2
S1
S2
SCREW
INSERT WIRES
THEN TIGHTEN SCREWS
WIRE HOLE
Leave the metal jumper wire between
RC and R.
Push excess wire back into wall opening.
Plug wall opening with non-flammable
insulation.
Terminal Designations:
R
24 Volt power
Rc
Not used [1]
C
24 Volt common
H2
2nd stage heat (electric heat)
Y
Compressor
G1
Low speed fan
G2
High speed fan
O
Reversing valve for heat pumps
S1
Remote sensor or remote setback [2]
S2
Remote sensor or remote setback [2]
Wiring
Notes
[1]
Leave the metal jumper wire in place between Rc and R.
[2]
Sensor wire must have a cable separate from the thermostat control cable.