Electrical data
UNIT
50ZH
NOMINAL
V-PH-Hz
IFM
TYPE
VOLTAGE
RANGE
COMPRESSOR
OFM
FLA
IFM
FLA
HEATER
PACKAGE NO.
ELECTRIC
HEAT
POWER
SUPPLY
DISCONNECT
SIZE
Min Max RLA LRA
Nominal
kW*
FLA MCA MOCP FLA LRA
024 208/230-1-60 Std 187 254 12.8 63.0 0.9 2.4
None — — 19.3/ 19.3 25/ 25† 19/ 19 70/ 70
CPHEATER026A00 3.8/ 5.0 18.3/20.8 42.2/ 45.3 45/ 50† 40/ 42 89/ 91
CPHEATER024A00 7.5/10.0 36.1/41.7 64.4/ 71.4 70/ 80 60/ 66 107/112
030
208/230-1-60 Std 187 254 14.4 73.0 1.5 2.4
None — — 21.9/ 21.9 30/ 30† 21/ 21 83/ 83
CPHEATER026A00 3.8/ 5.0 18.3/20.8 44.8/ 47.9 45/ 50† 42/ 45 101/103
CPHEATER024A00 7.5/10.0 36.1/41.7 67.0/ 74.0 70/ 80 63/ 69 119/124
CPHEATER040A00 11.3/15.0 54.3/62.5 89.8/100.0 90/110 83/ 93 137/145
208/230-3-60 Std 187 254 10.0 63.0 1.5 5.8
None — — 16.8 20† 16 73
CPHEATER029A00 3.8/ 5.0 10.5/12.0 29.9/ 31.8 35/ 35† 29/ 30 83/ 85
CPHEATER024A00 7.5/10.0 20.8/24.1 42.8/ 46.9 45/ 50† 40/ 44 93/ 97
CPHEATER031A00 11.3/15.0 31.4/36.1 56.1/ 61.9 60/ 70 53/ 58 104/109
036
208/230-1-60 Std 187 254 17.7 93.0 1.5 2.8
None — — 26.4/ 26.4 35/ 35† 25/ 25 103/103
CPHEATER026A00 3.8/ 5.0 18.3/20.8 49.3/ 52.4 50/ 60† 46/ 49 121/123
CPHEATER024A00 7.5/10.0 36.1/41.7 71.6/ 78.6 80/ 80 67/ 73 139/144
CPHEATER040A00 11.3/15.0 54.3/62.5 94.3/104.6 100/110 88/ 97 157/165
208/230-3-60 Std 187 254 10.3 77.0 1.5 2.8
None — — 17.2/ 17.2 20/ 20† 17/ 17 87/ 87
CPHEATER029A00 3.8/ 5.0 10.5/12.0 30.3/ 32.2 35/ 35† 29/ 31 97/ 99
CPHEATER030A00 7.5/10.0 20.8/24.1 43.2/ 47.3 45/ 50† 41/ 45 107/111
CPHEATER031A00 11.3/15.0 31.4/36.1 56.4/ 62.3 60/ 70 53/ 58 118/123
460-3-60 Std 414 508 5.7 39.0 0.8 2.0
None — — 9.9 15† 10 46
CPHEATER034A00 5.0 6.0 17.4 20† 17 52
CPHEATER035A00 10.0 12.0 24.9 25† 24 58
CPHEATER036A00 15.0 18.0 32.4 35† 30 64
042
208/230-1-60 Std 187 254 21.5 103.0 1.5 2.8
None — — 31.2/ 31.2 40/ 40† 30/ 30 113/113
CPHEATER026A00 3.8/ 5.0 18.3/20.8 54.1/ 57.2 60/ 60† 51/ 54 131/133
CPHEATER024A00 7.5/10.0 36.1/41.7 76.3/ 83.3 80/ 90 71/ 78 149/154
CPHEATER040A00 11.3/15.0 54.3/62.5 99.1/109.3 100/110 92/102 167/175
CPHEATER028A00 15.0/20.0 72.1/83.3 121.3/135.3 125/150 113/125 185/196
208/230-3-60 Std 187 254 12.4 88.0 1.5 2.8
None — — 19.8/ 19.8 25/ 25† 19/ 19 98/ 98
CPHEATER029A00 3.8/ 5.0 10.5/12.0 32.9/ 34.8 35/ 35† 31/ 33 108/110
CPHEATER030A00 7.5/10.0 20.8/24.1 45.8/ 49.9 50/ 50† 43/ 47 118/122
CPHEATER031A00 11.3/15.0 31.4/36.1 59.1/ 64.9 60/ 70 55/ 61 129/134
CPHEATER041A00 15.0/20.0 41.6/48.1 71.8/ 79.9 80/ 80 67/ 75 139/146
460-3-60 Std 414 508 6.8 44.0 0.8 2.0
None — — 11.3 15† 11 51
CPHEATER034A00 5.0 6.0 18.8 20† 18 57
CPHEATER035A00 10.0 12.0 26.3 30† 25 63
CPHEATER036A00 15.0 18.0 33.8 35† 32 89
CPHEATER037A00 20.0 24.1 41.4 45† 39 75
048
208/230-1-60 Std 187 254 28.2 129.0 1.5 4.2
None — — 41.0/ 41.0 50/ 50† 39/ 39 143/143
CPHEATER038A00 3.8/ 5.0 18.3/20.8 63.8/ 67.0 70/ 70 60/ 63 161/163
CPHEATER024A00 7.5/10.0 36.1/41.7 86.1/ 93.1 90/100 81/ 87 179/184
CPHEATER040A00 11.3/15.0 54.3/62.5 108.8/119.1 110/125 101/111 197/205
CPHEATER028A00 15.0/20.0 72.1/83.3 131.1/145.1 150/150 122/135 215/226
208/230-3-60 Std 187 254 13.5 99.0 1.5 4.2
None — — 22.6/ 22.6 30/ 30† 22/ 22 113/113
CPHEATER029A00 3.8/ 5.0 10.5/12.0 35.7/ 37.6 40/ 40† 34/ 36 123/125
CPHEATER030A00 7.5/10.0 20.8/24.1 48.6/ 52.7 50/ 60† 46/ 50 133/137
CPHEATER031A00 11.3/15.0 31.4/36.1 61.8/ 67.7 70/ 70 58/ 64 144/149
CPHEATER041A00 15.0/20.0 41.6/48.1 74.6/ 82.7 80/ 90 70/ 77 154/161
460-3-60 Std 414 508 8.2 129.0 0.8 4.2
None — — 15.2 20† 15 141
CPHEATER034A00 5.0 6.0 22.7 25† 22 147
CPHEATER035A00 10.0 12.0 30.2 35† 29 153
CPHEATER036A00 15.0 18.0 37.7 40† 36 159
CPHEATER037A00 20.0 24.1 45.3 50† 43 165
060
208/230-1-60 Std 187 254 27.7 170.0 3.1 6.2
None — — 43.9/ 43.9 60/ 60† 43/ 43 192/192
CPHEATER038A00 3.8/ 5.0 18.3/20.8 66.8/ 69.9 70/ 70 64/ 66 210/213
CPHEATER024A00 7.5/10.0 36.1/41.7 89.1/ 96.1 90/100 84/ 91 228/233
CPHEATER040A00 11.3/15.0 54.3/62.5 111.8/122.1 125/125 105/114 246/254
CPHEATER028A00 15.0/20.0 72.1/83.3 134.1/148.1 150/150 125/138 264/275
208/230-3-60 Std 187 254 15.9 124.0 3.1 6.2
None — — 29.2/ 29.2 35/35† 29/ 29 146/146
CPHEATER029A00 3.8/ 5.0 10.5/12.0 42.3/ 44.2 45/45† 41/ 43 156/158
CPHEATER030A00 7.5/10.0 20.8/24.1 55.2/ 59.3 60/60† 53/ 57 167/170
CPHEATER031A00 11.3/15.0 31.4/36.1 68.4/ 74.3 70/80 65/ 70 177/182
CPHEATER041A00 14.9/19.9 41.4/47.9 80.9/ 89.1 90/90 77/ 84 187/194
460-3-60 Std 414 508 8.0 60.0 1.5 3.2
None — — 14.7 20† 15 68
CPHEATER034A00 5.0 6.0 22.2 25† 22 74
CPHEATER035A00 10.0 12.0 29.7 30† 28 80
CPHEATER036A00 15.0 18.0 37.2 40† 35 86
CPHEATER037A00 20.0 24.1 44.8 45† 42 93
LEGEND
FLA — Full Load Amps
HACR — Heating, Air Conditioning and Refrigeration
IFM — Indoor-Fan Motor
LRA — Locked Rotor Amps
MCA — Minimum Circuit Amps
MOCP — Maximum Overcurrent Protection
NEC — National Electrical Code
OFM — Outdoor-Fan Motor
RLA — Rated Load Amps
*Heater capacity (kW) is based on heater voltage of 208 v, 240 v or 480 v. If power distribution
voltage to unit varies from rated heater voltage, heater kW will vary accordingly.
†Fuse or HACR circuit breaker.
NOTES:
1. In compliance with NEC requirements for multimotor and combination load and equipment
(refer to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be
fuse or HACR breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%.
Use
the following formula to determine the percentage of voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage
Example: Supply voltage is 240-3-60
AB = 235 v
BC = 242 v
AC = 236 v
235 + 242 + 236
Average voltage =
3
= 238
Determine maximum deviation from average voltage:
(AB) 238 − 235=3v
(BC) 242 − 238=4v
(AC) 238 − 236=2v
Maximum deviation is 4 v.
Determine percentage of voltage imbalance:
4
% Voltage imbalance = 100 x
238
= 1.68%
This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2% contact your local
electric utility company immediately.
17
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