Lennox LGA Series User Manual

Page 8
ELECTRICAL/ELECTRIC HEAT DATA LGA/LCA
21 TON HIGH EFFICIENCY (R−22) 248H2
Voltage − 60hz − 3 phase
208/230V 460V 575V
Compressors
(4)
Rated Load Amps (total) 17.3 (69.2) 9 (36) 7.1 (28.4)
Locked Rotor Amps (total) 123 (492) 62 (248) 50 (200)
Outdoor Fan
Motors (6)
Full Load Amps (total) 2.4 (14.4) 1.3 (7.8) 1 (6)
Locked Rotor Amps (total) 4.7 (28.2) 2.4 (14.4) 1.9 (11.4)
Standard
PEF (3)
Horsepower (W) 1/3 (249) 1/3 (249) 1/3 (249)
Full Load Amps(total) 7.2 (21.6) 3.9 (11.7) 3 (9)
Locked Rotor Amps (total) 14.1 (42.3) 7.2 (21.6) 5.7 (17.1)
50% High
Static PEF
(2)
Horsepower (W) 2 (1491) 2 (1491) 2 (1491)
Full Load Amps(total) 7.5 (15) 3.4 (6.8) 2.7 (5.4)
Locked Rotor Amps (total) 69.4 (138.8) 31.4 (62.8) 20.1 (40.2)
100% High
Static PEF
(3)
Horsepower (W) 2 (1491) 2 (1491) 2 (1491)
Full Load Amps(total) 7.5 (22.5) 3.4 (10.2) 2.7 (8.1)
Locked Rotor Amps (total) 69.4 (208.2) 31.4 (94.2) 20.1 (60.3)
Service Outlet 115V GFI 15 Amps 15 Amps 15 Amps
Indoor Blower
Motor
Horsepower 5 7.5 10 5 7.5 10 5 7.5 10
Rated Load Amps 16.7 24.2 30.8 7.6 11 14 6.1 9 11
Locked Rotor Amps 105 152 193 45.6 66 84 36.6 54 66
1
Minimum
Circuit
Ampacity
with Standard
PEF
0 kW 112 120 126 58 61 64 46 49 51
30 kW 121 130 138 60 64 68 48 52 54
45 kW 166 175 183 82 87 90 66 70 72
60 kW 175 184 192 87 91 95 70 73 76
90 kW 247 256 264 123 127 131 98 102 105
120 kW 319 328 337 159 163 167 127 131 133
with 50%
High Static PEF
0 kW 120 128 134 61 64 67 48 51 53
30 kW 130 140 148 64 68 72 51 55 57
45 kW 175 185 193 86 90 94 69 73 75
60 kW 184 194 202 91 95 99 73 76 79
90 kW 257 266 274 127 131 135 101 105 108
120 kW 329 338 346 163 167 171 130 134 136
with 100%
High Static PEF
0 kW 128 135 142 64 68 71 51 54 56
30 kW 140 149 157 68 72 76 54 58 60
45 kW 185 194 202 90 95 98 72 76 78
60 kW 194 203 211 95 99 103 76 80 82
90 kW 266 275 284 131 135 139 105 108 111
120 kW 338 348 356 167 171 175 134 137 140
without power exhaust 105 113 119 54 58 61 43 46 48
2
Maximum
Overcurrent
Protection
with Standard
PEF
0 kW 125 125 150 60 70 70 50 50 60
30 kW 125 150 150 60 70 70 50 60 60
45 kW 175 175 200 90 90 90 70 70 80
60 kW 175 200 200 90 100 100 70 80 80
90 kW 250
3
300
3
300 125 150 150 100 110 110
120 kW
3
350
3
350
3
350 175 175 175 150 150 150
with 50%
High Static PEF
0 kW 125 150 150 70 70 80 50 60 60
30 kW 150 150 150 70 70 80 60 60 60
45 kW 175 200 200 90 90 100 70 80 80
60 kW 200 200 225 100 100 100 80 80 80
90 kW
3
300
3
300
3
300 150 150 150 110 110 110
120 kW
3
350
3
350
3
350 175 175 175 150 150 150
with 100%
High Static PEF
0 kW 150 150 175 70 70 80 60 60 60
30 kW 150 150 175 70 80 80 60 60 60
45 kW 200 200 225 90 100 100 80 80 80
60 kW 200 225 225 100 100 110 80 80 90
90 kW
3
300
3
300
3
300 150 150 150 110 110 125
120 kW
3
350
3
350
3
400 175 175 175 150 150 150
without power exhaust 110 125 150 60 60 70 45 50 50
NOTE− Extremesofoperatingrangeareplusandminus10%oflinevoltage. TABLE CONTINUED ON NEXT PAGE
1
RefertoNational or CanadianElectricalCodemanualtodeterminewire,fuseanddisconnectsizerequirements.
2
HACR type breaker or fuse.
3
Factory installed circuit breaker not available.

Lennox LGA Series Specifications

General

Brand	Lennox
Model	LGA Series
Category	Heat Pump
Language	English