Lennox Harmony II Zone Control System

Page 22
Option 1 − Harmony Zone Control Center Field Wiring with
G32V/G21V/GSR21V Series Furnace and Lennox Condensing Unit
Figure 23
NOTE − HEAT-
ING BLOWER
JUMPER MUST
BE ON SETTING
2.
THERMOSTATS
THERMOSTATS
ZONE 1
THERMOSTATS
ZONE 2
THERMOSTATS
ZONE 1
THERMOSTATS
ZONE 3
THERMOSTATS
ZONE 4
CONTROL
PANEL
CONTROL
PANEL
INDOOR UNIT
TRANSFORMER
SW1
DIAG
DIAG
DIAG
DIAG
1
2
3
4
PRESSURE
SWITCH
DISCHARGE
PROBE
ZONE 1ZONE 2
ZONE 3
ZONE 4
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 1
ZONE 2ZONE 3ZONE 4
ZONE 1
ZONE 2
ZONE 3
ZONE 4
DAMPDAMP
DAMP
DAMP
120 VAC
DAMPER TRANSFORMER
DAMPER
TRANSFORMER
AIR
SELECTION
R
C
Y1
O1
W1
R1
C1
W1
O1
Y1
R
Y
O
W
C
R
Y
O
W
C
1
2
3
4
5
6
1
2
3
4
5
6
Y2
O2
W2
R2
C2
W2
O2
Y2
R3
C3
W3
O3
Y3
Y3
O3
W3
R4
C4
W4
O4
Y4
Y4
O4
W4
DISCHARGE
PROBE
F1
F2
25%
35%
45%
55%
65%
75%
85%
95%
25%
35%
45%
55%
65%
75%
85%
95%
OFF
25%
35%
45%
55%
65%
75%
85%
95%
OFF
25%
35%
45%
55%
65%
75%
85%
95%
OFF
CONTINUOUS
AIR
REDUCTION
75%
50%
0%
OUTDOOR
UNIT
INDOOR
UNIT
DIS-
CHARGE
AIR TEMP.
OUTDOOR
UNIT
HEATING AIR
REDUCTION
Y1
Y2
0
HP3
HP2
HP1
G21V
H+
H−
C+
C−
1SPD
2 SPD
O
Y1
Y2
W1
Y1
Y2
C
C
R
DS
W1
G
NM
W2
FURNACE
4DZ
3DZ
2DZ
1DZ
DAMPERS
24VAC
IN
TEMP.
MODULE
SWITCH
INDOOR
UNIT
G
Fan line
Fan low
G
W1
W3
W2
W1
W3
W2
DS
CONDENSER UNIT
G32V ONLY*
*G32V only: remove pin #3 of the J73 terminal of the VSP control. Remove the factory jumper between Y1 & DS at the terminal strip
or GAS