Field Control Wiring - Lennox XP17-024-230-01 Installation And Service Procedure

Field Control Wiring

One−Stage
Heat Pump Control
W
L
Y2
Y1
O
DS
2
C
i−
i+
R
1. Thermostat T terminals are used for outdoor sensor input. Use for thermostat's outdoor temperature display (optional).
2. R to L connection is required for this model when using the ComfortSense
47W97) required and ordered separately.
3. Air handler control ships from factory with metal jumpers installed across W1, W2 and W3. For one-stage electric heat, do not remove factory
installed metal jumpers.
4. Air handler control ships from factory with metal jumpers installed across W1, W2 and W3. For two-stage electric heat, remove factory installed
metal jumper between W1 to W2. Then connect thermostat wire between the air handler control's W2 and the thermostat's W2 terminal.
5. Cut on-board link (clippable wire) from R-O HEAT PUMP for heat pump applications.
6. Cut on-board link (clippable wire) DS-R for Humiditrol
setting. See air handler installation instruction or Product Specification bulletin for lowest fan speed information.
Figure 38. ComfortSense® 7000 Series Thermostat — Air Hander/One-Stage Heat Pump
XP17
Air Hander Control
DS
O
5
L
6
H
DH
R
C
Y1
Y2
G
W3
3
W2
4
W1
®
7000 - catalog number Y0349 only. Resistor Kit (catalog number
®
or Harmony IIIt applications. This will slow the indoor blower motor to the lowest speed
Page 63
ComfortSense[ 7000 Thermostats
Catalog # Y0349 or Y2081
R
G
W2
W1
O
L
H
D
B
Y2
Y1
C
T
T
On−board link
Low voltage thermostat
wiring
Flat metal jumper
1