Lennox G21Q Series Unit Information

Page 95
MATCH UP JUMPER COMMENTS OR SEQUENCE WIRING CONNECTIONS
G21V/GSR21V OPERATION SEQUENCE AND JUMPERS SUMMARY WITH VSP2−1 (COOLING)
TABLE 19 (contd.)
Harmony and Two
Speed Compressor
No Jumpers
Harmony and Single
Speed Compressor
No Jumpers
Blower operates on PWM
signal generated by Har
mony. Harmony overrides
blower speed taps. Blow
er speed varies according
to zone demand.
Blower operates on PWM
signal generated by Har
mony. Harmony overrides
blower speed taps. Blow
er speed varies according
to zone demand.
(continued from previous page)
W1
W2
R
G
Y1
Y2
DS
C
NM
CCB1 with Two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 high speed compressor
operation and low speed heat/
cool tap during low speed
compressor operation
No Jumpers
A20 HUMIDITY CONTROL
S1
THERMOSTAT
TO
OUTDOOR
UNIT
W1
W2
R
G
Y1
Y2
DS
C
NM
W1
W2
R
G
Y1
Y2
DS
C
NM
TO
OUTDOOR
UNIT
TO
OUTDOOR
UNIT
TB1 TERMINAL STRIP
TB1 TERMINAL STRIP
TB1 TERMINAL STRIP
ZONE
CONTROLLER
A1
HARMONY
ZONE
CONTROLLER
A1
HARMONY
FOR HEATING JUMPERS
SEE TABLE 18

Lennox G21Q Series Specifications

General

Brand	Lennox
Model	G21Q Series
Category	Industrial Equipment
Language	English