Lennox CS7500 User Manual

34
Supported Congurations
This thermostat support air conditioner and heat pump systems with one or two speed compressors. It
also supports dual-fuel and Humiditrol accessory. For all possible conguration see table below.
Setup Backup/
Indoor
Heat
Comp.
Stages
Backup/
Indoor
Heat
Stages
Heat
Stages
1st
Heat
Stage
2nd
Heat
Stage
3rd
Heat
Stage
4th
Heat
Stage
1st
Em
Heat
Stage
2nd
Em
Heat
Stage
Cool
Stages
Y3
Staging
Control
1st
Cool
Stage
2nd
Cool
Stage
3nd Cool
Stage
O/B/Y3
relay
HP GAS/OIL 1
1 2 Y1 W1 W1 1 Y1 O/B
HP GAS/OIL 1
2 3 Y1 W1 W1+W2 W1 W1+W2 1 Y1 O/B
HP NONE 1
0 1 Y1 1 Y1 O/B
HP GAS/OIL 2
1 3 Y1 Y1+Y2 W1 W1 2 Y1 Y1+Y2 O/B
HP GAS/OIL 2
2 4 Y1 Y1+Y2 W1 W1+W2 W1 W1+W2 2 Y1 Y1+Y2 O/B
HP NONE 2
0 2 Y1 Y1+Y2 2 Y1 Y1+Y2 O/B
HP ELEC. 1
1 2 Y1 Y1+W1 W1 1 Y1 O/B
HP ELEC. 1
2 3 Y1 Y1+W1 Y1+W1+W2 W1 W1+W2 1 Y1 O/B
HP NONE 1
0 1 Y1 1 Y1 O/B
HP ELEC. 2
1 3 Y1 Y1+Y2 Y1+Y2+W1 W1 2 Y1 Y1+Y2 O/B
HP ELEC. 2
2 4 Y1 Y1+Y2 Y1+Y2+W1 Y1+Y2+W1+W2 W1 W1+W2 2 Y1 Y1+Y2 O/B
HP NONE 2
0 2 Y1 Y1+Y2 2 Y1 Y1+Y2 O/B
Non
HP
GAS/OIL
OR ELEC.
1
1 1 W1 1 Y1 O/B
Non
HP
GAS/OIL
OR ELEC.
1
2 2 W1 W1+W2 1 Y1 O/B
Non
HP
NONE 1
0 1 Y1 O/B
Non
HP
GAS/OIL
OR ELEC.
2
1 1 W1 2 Y1 Y1+Y2 O/B
Non
HP
GAS/OIL
OR ELEC.
2
2 2 W1 W1+W2 2 Y1 Y1+Y2 O/B

Lennox CS7500 Specifications

General

Brand	Lennox
Model	CS7500
Category	Thermostat
Language	English