Lennox KHA SERIES, Manual

Page: 17 / 49

Page 17
ELECTRICAL DATA 4 TON
KHA048S
1
Voltage - 60hz 208/230V - 1 Ph 208/230V - 3 Ph 460V - 3 Ph 575V - 3 Ph
Compressor 1 Rated Load Amps 21.8 13.7 6.2 4.8
Locked Rotor Amps 117 83.1 41 33
Outdoor Fan
Motors (1)
Full Load Amps (total) 1.7 1.7 1.1 0.7
Power
Exhaust
(1) 0.75 HP
Full Load Amps (total) 5 5 2.2 1.5
Service Outlet 115V GFI
15 Amps 15 Amps 15 Amps 15 Amps
Indoor
Blower
Motor
Horsepower .5 1.5 .5 1.5 2 .5 1.5 2 .5 1.5 2
Full Load Amps 3.9 11 3.9 6.6 7.5 2 3 3.4 2 2.4 2.7
2
Maximum
Overcurrent
Protection
Unit Only 50 60 35 35 40 15 15 15 15 15 15
with (1) 0.75 HP
Power Exhaust
50 60 40 40 45 15 20 20 15 15 15
3
Minimum
Circuit
Ampacity
Unit Only 33 40 23 26 27 11 12 13 9 10 10
with (1) 0.75 HP
Power Exhaust
38 45 28 31 32 14 15 15 11 11 11
ELECTRIC HEAT DATA
Electric Heat Voltage 208 240 208 240 208 240 208 240 208 240 480 480 480 600 600 600
2
Maximum
Overcurrent
Protection
Unit +
Electric Heat
7.5 kW 80 80 80 90 50 50 50 50 50 50 25 25 25 20 20 20
15 kW 110 125 110 125 70 70 70 80 70 80 35 35 35 30 30 30
3
Minimum
Circuit
Ampacity
Unit +
Electric Heat
7.5 kW 67 72 74 80 43 46 45 48 46 49 23 24 24 18 19 19
15 kW 101 111 108 119 62 68 65 71 66 72 34 35 35 27 28 28
2
Maximum
Overcurrent
Protection
Unit +
Electric Heat
and (1) 0.75 HP
Power Exhaust
7.5 kW 80 90 90 90 50 60 50 60 60 60 25 30 30 20 20 20
15 kW 110 125 125 125 70 80 70 80 80 80 40 40 40 30 30 30
3
Minimum
Circuit
Ampacity
Unit +
Electric Heat
and (1) 0.75 HP
Power Exhaust
7.5 kW 72 77 79 85 48 51 50 53 51 54 25 26 26 20 20 20
15 kW 106 116 113 124 67 73 70 76 71 77 36 37 38 29 29 29
ELECTRICAL ACCESSORIES
Disconnect
Kit
Standard Access - 0-7.5 kW 20W15 20W16 20W15 20W15 20W15 20W15 20W15
15 kW 20W16 20W16 20W15 20W15 20W15 20W15 20W15
Hinged Access -
0-7.5 kW 20W21 20W22 20W21 20W21 20W21 20W21 20W21
15 kW 20W22 20W22 20W21 20W21 20W21 20W21 20W21
Fuse Block Unit Only 17W97 17W98 18W02 18W02 18W03 18W06 18W06
Unit + Power Exhaust 17W97 17W98 18W03 18W03 18W04 18W06 (.5 hp)
18W07 (1.5-2 hp)
18W06
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.