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Lennox SCA 010 - Page 92

Lennox SCA 010
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IOM / Rooftop Smart and Linéa Range - Page 91
WIRING DIAGRWIRING DIAGR
WIRING DIAGRWIRING DIAGR
WIRING DIAGR
AMSAMS
AMSAMS
AMS
INSTALLER WIRING
B1 Compressor 1
B3 Motor supply air blower
B4 Motor condenser fan
C1 Capacitor condenser fan motor
C4 Capacitor supply air blower
CB3 Circuit breaker - electric heat
CB4 Circuit breaker - unit
F1 Fuse transformer T1
HR1 Crankcase heater compressor 1
HE1 Element - Electric heat 1
HE2 Element - Electric heat 2
K1 Contactor compressor
K3 Contactor blower
K11 Relay night setback
K15 Electric heat
K43 Relay - econo heat
S4 Switch limit high pressure
S11 Switch pressure low ambient
S15 Switch - limit electric heat
S24 Switch loss of charge
T1 Transformer 24V control
TB1 Terminal Block low voltage (24V)
TBM Terminal block mains 5 pole
DIAGRAM REFERENCE LEGEND
Figure 81
TB-M
L1 L2 L3 N E
Y1 W1
G
4567891011Y2
W2
14
15
TB1
LOW VOLTAGE TERMINAL BLOCK
1st STAGE COOLING
1st STAGE HEATING
SUPPLY AIR FAN
24V FEED
24V COMMON
24V FEED THERMOSTAT
400V/3Ph/50Hz SUPPLY

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