Page 12
XP14 SERIES
A -
Run 24VAC control wires through cutout with grommet.
B -
Run 24VAC control wires through wire tie.
C -
Make 24VAC control wire connections using field provided
wire nuts.
D -
Tighten wire tie to security 24V control wiring.
HIGH VOLTAGE FIELD WIRING
LOW VOLTAGE (24V) FIELD WIRING
FACTORY WIRING
CUTOUT WITH
GROMMET
NOTE -
FOR PROPER VOLTAGES, SELECT THERMOSTAT WIRE (CONTROL
WIRES) GAUGE PER TABLE ABOVE.
WIRE RUN LENGTH
AWG# INSULATION TYPE
LESS THAN 100' (30 METERS)
18 TEMPERATURE RATING
MORE THAN 100' (30 METERS)
16 35ºC MINIMUM.
WIRE NUTS
BLACK
24V CONTROL WIRES
YELLOW
TIGHTEN WIRE TIE
Unit Low Voltage Wiring
NOTE -
DO NOT BUNDLE ANY EXCESS 24VAC CONTROL WIRES INSIDE
CONTROL BOX.
NOTE -
WIRE TIE PROVIDES LOW VOLTAGE WIRE STRAIN RELIEF AND
MAINTAINS SEPARATION OF FIELD-INSTALLED LOW AND HIGH VOLTAGE
CIRCUITS.
A
B
C
D
3
FIGURE 13
Typical 24VAC Control Wiring Diagrams (Field Installed)
THERMOSTAT
INDOOR UNIT
R
C
W1
Y1
O
G
R
C
W1
W2
W3
G
R
C
W1
Y1
O
COMMON
1ST‐STAGE
AUXILIARY
HEAT
INDOOR BLOWER
COMPRESSOR
24V POWER
REVERSING VALVE
COMMON
1ST‐STAGE
AUXILIARY
HEAT
24V POWER
(SOME CONNECTIONS MAY NOT APPLY. REFER
TO SPECIFIC THERMOSTAT AND INDOOR UNIT.)
OUTDOOR UNIT
R
C
W1
Y1
O
G
R
C
W1
W2
W3
G
E
R
C
W1
Y1
O
EMERGENCY
HEAT
EMERGENCY
HEAT RELAY
OUTDOOR
THERMOSTAT
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
COMMON
1ST‐STAGE
AUXILIARY
HEAT
INDOOR BLOWER
COMPRESSOR
COMMON
1ST‐STAGE
AUXILIARY
HEAT
24V POWER
24V POWER
(SOME CONNECTIONS MAY NOT APPLY. REFER TO
SPECIFIC THERMOSTAT AND INDOOR UNIT.)
REVERSING VALVE
WARNING! - ELECTRIC SHOCK HAZARD. Can cause INJURY
or DEATH. Unit must be grounded in accordance with national
and local codes.
NOTE -
For use with copper conductors only. Refer to unit rating
plate for minimum circuit ampacity and maximum over‐current
protection size.
FIGURE 14
