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ELECTRICAL DATA 24 TON
Model No. SCB288H4
1
Voltage - 60hz 208/230V-3 Ph 460V-3 Ph 575V-3 Ph
Compressor 1 Rated Load Amps 22.4 10.6 7.7
Locked Rotor Amps 149 75 54
Compressor 2 Rated Load Amps 22.4 10.6 7.7
Locked Rotor Amps 149 75 54
Compressor 3 Rated Load Amps 22.4 10.6 7.7
Locked Rotor Amps 149 75 54
Compressor 4 Rated Load Amps 22.4 10.6 7.7
Locked Rotor Amps 149 75 54
Outdoor Fan
Motors (6)
Full Load Amps 2.4 1.3 1
(total) 14.4 7.8 . 6
Power Exhaust
(3) 0.33 HP
Full Load Amps 2.4 1.3 1
(total) 7.2 3.9 3
Service Outlet 115V GFI (Amps) 20 20 15
Indoor Blower
Motor
Horsepower 5 7.5 5 7.5 5 7.5
Full Load Amps 16.7 24.2 7.6 11 6.1 9
2
Maximum
Overcurrent
Protection
Unit Only 150 150 70 70 50 50
With (3) 0.33 HP Power Exhaust 150 150 70 70 50 60
3
Minimum
Circuit
Ampacity
Unit Only 127 135 61 64 45 48
With (3) 0.33 HP Power Exhaust 134 142 65 68 48 52
ELECTRICAL HEAT DATA
Electric Heat Voltage 208V 240V 208V 240V 480V 480V 600V 600V
2
Maximum
Overcurrent
Protection
Unit+
Electric Heat
30 kW 150 150 150 150 70 70 50 50
60 kW
4
150 175 175 175 90 90 70 70
90 kW
4
225 250
4
225 250 125 125 100 100
3
Minimum
Circuit
Ampacity
Unit+
Electric Heat
30 kW 127 127 135 135 61 64 45 49
60 kW 146 166 156 175 82 86 66 69
90 kW 209 238 218 247 118 123 95 98
2
Maximum
Overcurrent
Protection
Unit+
Electric Heat
and (3) 0.33 HP
Power Exhaust
30 kW 150 150 150 150 70 70 50 60
60 kW 175 175
4
175 20 90 100 70 80
90 kW
4
225 250
4
250
4
300 125 150 100 110
3
Minimum
Circuit
Ampacity
Unit+
Electric Heat
and (3) 0.33 HP
Power Exhaust
30 kW 134 134 142 142 65 68 48 52
60 kW 155 175 165 184 87 91 70 73
90 kW 218 247 227 256 123 127 98 102
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;.
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