Lennox G32V Series User Manual

Page 80
TABLE 37
Field Wiring Applications (Continued)
Thermostat
Jumper Settings (See figure 16)
Wiring Connections
Thermostat
E20 W915 W914 W951
Wiring Connections
2 Heat / 1 Cool TWO Yes Intact Intact
S1
T’STAT
CONTROL
TERM. STRIP
OUTDOOR
UNIT
FM21 Heat
Pump / 1 Cool
SINGLE Yes Intact Cut
CONTROL
TERM. STRIP
FM21
75VA, 24V
TRANSFORMER*
*Disconnect existing
furnace transformer and
replace with 75VA, 24V
transformer if defrost
option to be used.
NOTE − Wiring connec-
tions to outdoor unit and
thermostat made at
FM21 control board per
FM21 instructions.
NOTE −
Remove
Y1/Y2 jumper
for two−stage
cooling.
Harmony
Application*
2 Heat / 1 Cool
TWO Yes Cut Intact
TEMP.
MOD.
SWITCH
CONTROL
TERM. STRIP
OUT-
DOOR
UNIT
HARMONY
FAN LINE
FAN LO
Harmony
Application*
2 Heat / 2 Cool
TWO No Cut Intact
TEMP.
MOD.
SWITCH
CONTROL
TERM. STRIP
OUT-
DOOR
UNIT
HARMONY
FAN LINE
FAN LO
*Cut wires at pin positions 2 and 13 of J/P46. Insulate ends to prevent a short. Blower operates on PWM signal generated by Harmony. Harmony
overrides blower speed taps. Blower speed varies according to zone demand. Low and high−fire controlled by temperature modulating switch.

Lennox G32V Series Specifications

General

Brand	Lennox
Model	G32V Series
Category	Furnace
Language	English