Lennox Harmony II Zone Control System Installation Instructions Manual page 14

Lennox Harmony
INDOOR UNIT CONNEC-
TIONS
(G32V/G21V/GSR21V SE-
RIES OR CB31MV SERIES)
FOUR ZONE
THERMOSTAT
CONNECTIONS
®
Harmony II
CONTROL PANEL
CONNECTIONS
HIGH PRESSURE SWITCH
CONNECTIONS
(HEAT PUMP
APPLICATIONS ONLY)
DISCHARGE
TEMPERATURE
PROBE CONNECTIONS
®
II Control Center Terminal Connections and Jumper Blocks
TROUBLESHOOTING
INDOOR UNIT
DIAGNOSTIC
TRANSFORMER
RED LIGHTS
(4−LEDs)
DIAG
THERMOSTATS
1
DIAG
Y1
R1
2
DIAG
Y1
3
O1
O1 DIAG
4
W1
W1
DIAGNOSTIC/
C1
BYPASS
Y2
BUTTON
R2
Y2
O2
O2
W2
W2
C2
CFM JUMPER PINS
Y3
FOR FOUR ZONES
R3
Y3
O3
O3
W3
W3
C3
Y4
R4 COOLING DEMAND,
REVERSING VALVE, &
Y4
O4
HEATING
O4
DEMAND LEDs
FOR EACH ZONE
W4 W4
C4
CONTROL
PANEL
CONTINUOUS AIR
REDUCTION
JUMPER PINS
PRESSURE
INDOOR UNIT
SWITCH
JUMPER PINS
DISCHARGE
DISCHARGE AIR
PROBE
TEMPERATURE
JUMPER PINS
F1
AIR SELECTION
25%
35%
45%
SW1
55%
65%
75%
85%
95%
OFF
25%
35%
45%
55%
65%
75%
85%
95%
OFF
25%
35%
45%
DAMPER LEDs
55%
65%
75%
85%
95%
OFF
25%
35%
45%
55%
65%
75%
85%
95%
CONTINUOUS AIR
75%
50%
REDUCTION
0%
HP3
INDOOR HP2
HP1
UNIT
G21V
or Gas
H+
DISCHARGE AIR
H−
TEMPERATURE
C+
C−
OUTDOOR 1 SPD
2 SPD
UNIT
40%
HEATING AIR
20%
REDUCTION
0%
Figure 8
Page 14
F2
2 AMP
SLOW BLOW FUSES
DAMPER
TRANSFORMER
24VAC
CONNECTION
IN
1DZ
ZONE DAMPER
2DZ
CONNECTIONS (4)
3DZ
4DZ
INDOOR
UNIT
INDOOR UNIT
G
G
CONNECTIONS
W1
W1
(G32V/G21V/GSR
W2
W2
21V SERIES OR
W3
CB31M SERIES)
W3
DS
BLOWER & 1ST,
2ND, & 3RD
STAGE HEATING
OUTDOOR
OUTDOOR UNIT
UNIT
CONNECTIONS
W1
(SINGLE− OR
Y1 TWO−STAGE
Y1
CONDENSING UNIT
Y2
Y2
OR HEAT PUMP)
O
O
1ST & 2ND STAGE
COOLING
AND REVERSING
VALVE LEDs
OUTDOOR
UNIT
JUMPER
PINS
HEAT AIR
REDUCTION
JUMPER PINS
LEDs