Field Control Wiring

One−Stage

Air Handler Control

ComfortSense[ 7000 Thermostats

Catalog # Y0349 or Y2081

Air Conditioner Control

 

 

 

 

 

DS

 

 

 

W

O

R

On−board link

 

 

 

 

 

 

L

 

G

 

 

L

 

Low voltage thermostat

 

 

 

 

5

W2

wiring

 

 

 

Y2

H

 

Flat metal jumper

 

W1

 

 

 

 

 

 

Y1

DH

O

 

 

 

 

 

 

O

 

L

 

 

 

R

 

 

DS

 

 

 

 

H

 

 

 

 

 

2

C

C

D

 

 

 

 

 

 

 

 

 

 

Y1

 

 

 

 

Y2

B

 

 

 

 

 

 

 

G

Y2

1

 

 

 

 

 

W3

Y1

 

 

 

 

 

 

R

 

C

 

 

3

W2

 

 

 

 

 

4

 

 

 

W1

T

 

 

 

 

 

 

 

 

T

 

1

2

Outdoor sensor for outdoor temperature display (Optional).

R connection required for outdoor unit with Control LSOM function. Resistor Kit (Cat# 47W97) is required when using the ComfortSense 7000 (Y0349) with Control LSOM feature. Resistor kit not required when using ComfortSense 7000 (Y2081).

3Air Handler Control comes from factory with metal jumpers across W1, W2 and W3. For one−stage electric heat, do not remove metal jumpers.

Air Handler Control comes from factory with metal jumpers across W1, W2 and W3. For two−stage electric heat, remove metal

4jumper between W1 to W2 and connect thermostat wire between Air Handler Control W2 to thermostat W2.

5Cut for Humiditrol Enhanced Dehumidification Accessory (EDA) applications.

Figure 9. ComfortSense® 7000 Series Thermostat

Air Hander/One−Stage Air Conditioner

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506510−01

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Lennox International Inc 506510-01 installation instructions Field Control Wiring, Flat metal jumper