Carrier 53DFS250-HW - About Your New Thermostat; Initial Setup Ready

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.