Lennox KHA SERIES, Manual

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Page 19
ELECTRICAL/ELECTRIC HEAT DATA 6 TON
KHA072S
1 Voltage - 60hz 208/230V - 3 Ph 460V - 3 Ph 575V - 3 Ph
Compressor Rated Load Amps 19 9.7 7.4
Locked Rotor Amps 123 62 50
Outdoor Fan
Motor
Full Load Amps 3 1.5 1.2
Power Exhaust
(1) 0.75 HP
Full Load Amps 5 2.2 1.5
Service Outlet 115V GFI 15 Amps 15 Amps 15 Amps
Indoor Blower
Motor
Horsepower 1.5 2 1.5 2 1.5 2
Full Load Amps 6.6 7.5 3 3.4 2.4 2.7
2
Maximum
Overcurrent
Protection
Unit Only 50 50 25 25 20 20
With (1) 0.75 HP
Power Exhaust
50 50 25 25 20 20
3
Minimum
Circuit
Ampacity
Unit Only 34 35 17 18 13 14
With (1) 0.75 HP
Power Exhaust
39 40 19 20 15 15
ELECTRIC HEAT DATA
Electric Heat Voltage 208 240 208 240 480 480 600 600
2
Maximum
Overcurrent
Protection
Unit+
Electric Heat
7.5 kW 60 70 60 70 35 35 25 25
15 kW 80 80 80 80 40 40 35 35
22.5 kW 100 110 100 110 60 60 40 45
30 kW 125 125 125 125 70 70 50 50
3
Minimum
Circuit
Ampacity
Unit+
Electric Heat
7.5 kW 53 56 54 57 28 29 22 23
15 kW 73 79 74 80 40 40 31 32
22.5 kW 92 102 93 102 51 51 40 41
30 kW 112 124 113 125 62 63 49 50
2
Maximum
Overcurrent
Protection
Unit+
Electric Heat
and (1) 0.75 HP
Power Exhaust
7.5 kW 70 70 70 70 35 35 25 25
15 kW 80 90 80 90 45 45 35 35
22.5 kW 100 110 100 110 60 60 45 45
30 kW 125 150 125 150 70 70 60 60
3
Minimum
Circuit
Ampacity
Unit+
Electric Heat
and (1) 0.75 HP
Power Exhaust
7.5 kW 58 61 59 62 31 31 24 24
15 kW 78 84 79 85 42 42 33 33
22.5 kW 97 107 98 107 53 54 42 42
30 kW 117 129 118 130 64 65 51 51
ELECTRICAL ACCESSORIES
Disconnect
Kit
Standard Access - 0-22.5 kW 20W18 20W18 20W18 20W18
30 kW 20W19 20W19 20W18 20W18
Hinged Access - 0-22.5 kW 20W24 20W24 20W24 20W24
30 kW 20W25 20W25 20W24 20W24
1
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.