Lennox G21Q Series Unit Information

Page 94
MATCH UP JUMPER COMMENTS OR SEQUENCE WIRING CONNECTIONS
W1
W2
R
G
Y1
Y2
DS
C
NM
G21V/GSR21V OPERATION SEQUENCE AND JUMPERS SUMMARY WITH VSP2−1 (COOLING)
TABLE 19
TwoSpeed Compressor, no
CCB1, no Harmony
Blower operates on low speed
heat/cool tap when compressor
is in first stage cooling. Blower
operates on high speed cool tap
when compressor is in second
stage cooling.
DS" to Y2"
SingleSpeed Compressor,
no CCB1, no Harmony
DS" to G"
CCB1 with SingleSpeed
Compressor, no Harmony
Blower speed is controlled by
the DC signal from CCB1.
Blower operates on low speed
heat/cool tap during dehumidi
fication. Otherwise,blower op
erates on high speed cool tap
during cooling cycle.
No Jumpers
Blower operates on high
speed cool tap during cooling.
W1
W2
RG
Y1
Y2
DS
C
NM
(continued on following page)
C
W1
W2
R
G
Y1
Y2
DS
NM
TB1 TERMINAL STRIP
TO
OUTDOOR
UNIT
S1
THERMOSTAT
TO
OUTDOOR
UNIT
S1
THERMOSTAT
A20 HUMIDITY CONTROL
S1
THERMOSTAT
TO
OUTDOOR
UNIT
TB1 TERMINAL STRIP
TB1 TERMINAL STRIP
FOR HEATING JUMPERS
SEE TABLE 18

Lennox G21Q Series Specifications

General

Brand	Lennox
Model	G21Q Series
Category	Industrial Equipment
Language	English