Lennox Elite EL17XC1 Series Installation Instructions Manual page 12

Unit Low Voltage Wiring
A
EL17
CBA25UH
EL17
NOTE - Refer to furnace, blower coil and accessory instructions for
additional wiring configurations with other optional controls.
C
WIRE NUTS
CUTOUT WITH
GROMMET
24V CONTROL WIRES
B
24VAC Control Wiring Diagrams (Field Installed)
ML180E
ML193E
ML196E
EL180NE
EL195NE
EL196NE
FURNACE
EL17
CBA25UHV
EL17
HIGH VOLTAGE FIELD WIRING
FACTORY WIRING
LOW VOLTAGE (24V) FIELD WIRING
WIRE RUN LENGTH
LESS THAN 100' (30 METERS)
MORE THAN 100' (30 METERS)
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.
NOTE - FOR PROPER VOLTAGES, SELECT THERMOSTAT WIRE (CONTROL WIRES)
GAUGE PER TABLE ABOVE.
NOTE - WIRE TIE PROVIDES LOW VOLTAGE WIRE STRAIN RELIEF AND MAINTAINS
SEPARATION OF FIELD-INSTALLED LOW AND HIGH VOLTAGE CIRCUITS.
NOTE - DO NOT BUNDLE ANY EXCESS 24VAC CONTROL WIRES INSIDE CONTROL
BOX.
D
TIGHTEN WIRE TIE
FIGURE 12
FIGURE 12
EL280E, EL296E
CBA27UHE
EL17
Air handler shipped with jumpers installed between W1 and W2
1
and W2 and W3.
R connection required for air conditioner with LSOM. Resistor kit
2
(CAT #47W97) required when connection ComfortSense 7000
with LSOM 2.
L connection wired on units with LSOM.
3
FIGURE 13
Page 12
AWG# INSULATION TYPE
18 TEMPERATURE RATING
16 35ºC MINIMUM.
ML296V
EL296V
SL280NV
EL17
CBA38MV
2
EL17
1
RED
3
BROWN
BLUE