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Carrier 50PG03-07 Specifiche Pagina 12

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Table 2A -- Electrical Data -- Units Without Optional Convenience Outlet (cont)
UNIT NOMINAL
50PG POWER SUPPLY
Volts-Ph-Hz
208/230-3-60
05
(cont)
460-3-60
878-3-60
VOLTAGE COMPRESSOR OFM POWER ELECTRIC HEAT
RANGE FLA IFM EXHAUST IFM
FLA FLA FLA TYPE Nominal
Min Max RLA LRA Qty (ea) (ea) FLA kW*
4.9
187 253 14.6 91 1
5,2
1.0
4,9
5.2
2.1
414 506 7.1 46 1
2.6
0.5
2.1
1.4
1.4
0.6
10.0/11.5 3.8/ 5.0
15.0/17.3 5.6/ 7.5
STD 20.0/23.1 7.5/10.0
30.0/34.6 11.3/18.0
40.0/46.2 15.0/20.0
10.0/11.5 3.8/ 8.0
15.0/17.3 5.6/ 7.5
ALT 20.0/23.1 7.5/10.0
30.0/34.6 11.3/15.0
40.0/46.2 15.0/20.0
10.0/11.5 3.8/ 8.0
15.0/17.3 5.6/ 7.8
STD 20.0/23.1 7.8/10.0
30.0/34.6 11.3/15.0
40.0/46.2 15.0/20.0
10.0/11.5 3.8/ 8.0
15.0/17.3 5.6/ 7.5
ALT 20.0/23.1 7.5/10.0
30.0/34.6 11.3/15.0
40.0/46.2 15.0/20.0
5.8 5.0
STD 8.7 7.8
11.8 10.0
17.3 15.0
23.1 20.0
5.8 5.0
8.7 7.5
ALT 11.8 10.0
17.3 15.0
23.1 20.0
5.8 5.0
STD 8.7 7.8
11.5 10.0
17.3 15.0
23.1 20.0
5.8 5.0
ALT 8.7 7.5
11.5 10.0
17.3 15.0
23.1 20.0
STD 9.2 10.0
13.9 15.0
18.5 20.0
ALT 9.2 10.0
13.9 15.0
18.5 20.0
STD 9.2 10.0
13.9 15.0
18.5 20.0
ALT 9.2 10.0
13.9 15.0
18.5 20.0
2.6 0.6
2.1
2.0
518 633 5.1 34 1 0.5
2.1 1.4
2.0 1.4
LEGEND
FLA -- Full Load Amps
HACR -- Heating, Air Conditioning and Refrigeration
IFM -- Indoor (Evaporator) Fan Motor C @ US
LRA -- Locked Rotor Amps
MCA -- Minimum Circuit Amps
MOCP -- Maximum Overcurrent Protection
NEC -- National Electrical Code
OFM -- Outdoor (Condenser) Fan Motor
RLA -- Rated Load Amps
*Heater capacity (kW) is based on heater voltage of 208 v, 240 v, 480 v or
600 v. If power distribution voltage to unit varies from rated heater voltage,
heater kW will vary accordingly.
l-Fuse or HACR circuit breaker.
NOTES:
1. In compliance with NEC requirements for multimeter and combination load
equipment (refer to NEC Articles 430 and 440), the evercurrent protective
device for the unit shall be fuse or HACR breaker. Canadian units may be
fuse or circuit 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 percent of
voltage imbalance.
% Voltage Imbalance
= 100 x max voltage deviation from average voltage
average voltage
POWER SUPPLY DISCONNECT
SIZE
MCA MOCPt FLA LRA
24.2/24.2 25/25 24/24 105/105
24.2/24,2 25/25 24/24 105/105
24.9/27,8 25/30 24/26 105/105
31.1/35.0 35/40 29/32 105/105
43.6/49.4 45/50 40/45 105/105
56.1/63.9 60/70 52/59 105/105
24.5/24.5 25/25 24/24 123/123
24.5/24.5 25/25 24/24 123/123
25.3/28.1 30/30 24/26 123/123
31.5/35.4 35/40 29/33 123/123
44.0/49,8 45/50 40/46 123/123
56.5/84,3 60/70 52/59 123/123
25.8/25.6 30/30 25/25 107/107
25.6/25.6 30/30 25/25 107/107
26.6/29.5 30/30 25/27 107/107
32.9/36,8 35/40 30/34 107/107
45.4/51.1 50/60 42/47 107/107
57.9/65.6 60/70 53/60 107/107
25,9/25.9 30/30 28/26 125/125
25.9/25.9 30/30 26/26 125/125
27.0/29.9 30/30 26/27 125/125
33.3/37.1 35/40 31/34 125/125
45.8/51.5 50/60 42/47 125/125
58.3/68.0 60/70 54/61 125/125
11.5 15 11 53
11.5 15 11 53
13.5 15 12 53
17.0 20 16 53
24.3 25 22 53
31.5 35 29 53
12.0 15 12 62
12.0 15 12 62
14.1 15 13 62
17.8 20 16 62
24.9 25 23 62
32.1 35 30 62
12.1 15 12 54
12.1 15 12 54
14.3 15 13 54
17.8 20 16 54
25.0 30 23 54
32.3 35 30 54
12.6 15 12 63
12.6 15 12 63
14.9 15 14 63
18.4 20 17 63
25.6 30 24 63
32.9 35 30 63
9.0 15 9 40
14.1 15 13 40
20.0 25 18 40
25.8 30 24 40
8.9 15 9 46
14.0 15 13 46
19.9 20 18 46
25.6 30 24 46
10.4 15 10 42
15.9 20 15 42
21.8 28 20 42
27.5 30 25 42
10.3 15 10 48
15.8 20 14 48
21.6 28 20 48
27.4 30 25 48
Example: Supply voltage is 230-3-60.
A B c AB = 224 v
(_ BC = 231 v
AC = 226 v
224 + 231 + 226
Average Voltage - 3
681
=--
3
= 227
Determine maximum deviation from average voltage.
(AB) 227 - 224 = 3 v
(BC) 231 - 227 = 4 v
(AC) 227 - 226 = 1 v
Maximum deviation is 4 v.
Determine percent of voltage imbalance.
4
% Voltage Imbalance = 100 x 22"_7-
= 1.76%
This amount of phase imbalance is satisfactory as it is below the maximum
allowable 2%.
I IMPORTANT: If the supply voltage phase imbalance is more than 2%, 1
contact the local electric utility company immediately.
1
]2
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