Lennox SCA Series User Manual

Page 12
ELECTRICAL DATA 10 TON
Model No. SCA120H4
1
Voltage - 60hz 208/230V-3 Ph 460V-3 Ph 575V-3 Ph
Compressor 1 Rated Load Amps 16 7.8 5.7
Locked Rotor Amps 110 52 38.9
Compressor 2 Rated Load Amps 16 7.8 5.7
Locked Rotor Amps 110 52 38.9
Outdoor Fan
Motors (3)
Full Load Amps
(total)
2.4
(7.2)
1.3
(3.9)
1
(3)
Power Exhaust (1) 0.5 HP Full Load Amps 3 1.5 1.2
Service Outlet 115V GFI (Amps) 20 20 15
Indoor Blower
Motor
Horsepower 3 3 3
Full Load Amps 10.6 4.8 3.9
2
Maximum
Overcurrent
Protection
Unit Only 60 30 25
With (1) 0.5 HP Power
Exhaust
70 35 25
3
Minimum
Circuit
Ampacity
Unit Only 54 27 20
With (1) 0.5 HP Power
Exhaust
57 28 21
ELECTRICAL HEAT DATA
Electric Heat Voltage 208V 240V 480V 600V
2
Maximum
Overcurrent
Protection
Unit+
Electric Heat
15 kW 60 60 30 25
20 kW - - - - - - 40 - - -
30 kW
4
100 110 60 45
40 kW - - - - - - 70 - - -
45 kW 150 150 80 60
60 kW
4
150 175 80 70
3
Minimum
Circuit
Ampacity
Unit+
Electric Heat
15 kW 54 59 29 23
20 kW - - - - - - 37 - - -
30 kW 92 104 52 41
40 kW - - - - - - 67 - - -
45 kW 131 149 74 60
60 kW 139 158 79 63
2
Maximum
Overcurrent
Protection
Unit+
Electric Heat
and (1) 0.5 HP
Power Exhaust
15 kW 70 70 35 25
20 kW - - - - - - 40 - - -
30 kW
4
100 110 60 45
40 kW - - - - - - 70 - - -
45 kW
4
150 175 80 70
60 kW
4
150 175 90 70
3
Minimum
Circuit
Ampacity
Unit+
Electric Heat
and (1) 0.5 HP
Power Exhaust
15 kW 57 63 31 25
20 kW - - - - - - 38 - - -
30 kW 96 108 53 43
40 kW - - - - - - 69 - - -
45 kW 135 153 76 61
60 kW 143 162 81 65
1
NOTE - Extremes of operating range are plus and minus 10% of line voltage.
2
HACR type breaker or fuse.
3
Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.
4
Factory installed circuit breaker not available;.

Lennox SCA Series Specifications

General

Brand	Lennox
Model	SCA Series
Category	Air Conditioner
Language	English