Lennox Merit 10HPB Series

Page 5
Typical Wiring Field Wiring Diagram
Figure 4
*
*
*May be optional
R
C
W1
Y1
O
G
R
C
W1
W2
W3
G
reversing valve
10HPB and Blower Unit
Thermostat Designations
(Some connections may not apply.
Refer to specific thermostat and indoor unit.)
Thermostat
Indoor
Unit
R
C
W1
Y1
O
Outdoor
Unit
Figure 5
power
power
common common
1st. stage aux. heat
1st. stage aux. heat
indoor blower
compressor
R
C
W1
Y1
O
G
R
C
W1
W2
W3
G
10HPB and Blower Unit
Thermostat Designations
(with auxiliary heat)
(Some connections may not apply.
Refer to specific thermostat and indoor unit.)
Thermostat
Indoor
Unit
Outdoor
Unit
E
R
C
W1
Y1
O
reversing valve
indoor blower
compressor
power
power
common common
1st. stage aux. heat
1st. stage aux. heat
emergency heat
Figure 6