Lennox GCS16-2753-235

Page 21
FIGURE 6
GCS161353, 1603 CONTROL BOX COMPONENTS
CB4
CB5
T3
DL15
K13
K10
K3K1K2
S3S30
T1
COMBUSTION AIR
BLOWER RELAY
K13
2nd STAGE COMPRES
SOR TIMEDELAY
DL15
(1603 208/230V ONLY)
OUTDOOR FAN RELAY
K10
(1603 UNITS ONLY)
ALSO SERVES AS 1st
STAGE COMPRESSOR
PILOT RELAY
INDOOR BLOWER
CONTACTOR K3
1st STAGE COMPRES
SOR CONTACTOR K1
CONTROL
TRANSFORMER
T1
FUSE F1
2nd STAGE
COMPRESSOR MONITOR/
LOW TEMP LIMIT S30
1st STAGE
COMPRESSOR MONITOR/
LOW TEMP LIMIT S3
2nd STAGE COM
PRESSOR CONTAC
TOR K2
CIRCUIT BREAKER CB5
FOR CONDENSER FAN
B5
(1603 UNITS ONLY)
CIRCUIT BREAKER CB4
FOR CONDENSER FAN
B4
(1603 UNITS ONLY)
COMBUSTION AIR
BLOWER TRANS
FORMER T3 (460V &
575V ONLY)
L1 L2 L3
T1 T2 T3
L1 L2 L3
T1 T2 T3
L1 L2 L3
T1 T2 T3
L1 L2 L3
T1 T2 T3
TRANSFORMER T1
GCS16-1853 UNIT CONTROL BOX
FIGURE 7
TRANSFORMER
FUSE F1
COMPRESSOR 1
CONTACTOR
L1 L2 L3
T1 T2 T3
13
PILOT
RELAY
BOARD A11
F16
TB13
K3
A11
T1
K2 K10 K14 K1
DL15
S3
COMPRESSOR MONITOR/
LOW TEMP LIMIT S3
COMPRESSOR 2
TIME DELAY
BLOWER
CONTACTOR
COMPRESSOR 2
CONTACTOR
CONDENSER FAN
CONTACTOR
COMPRESSOR 3
CONTACTOR
UNIT
FUSES
POWER
DISTRIBUTION
TERMINAL BLOCK