Carrier 48TJE Series - Page 12

Table 2 — Electrical Data
UNIT
NOMINAL
V-PH-HZ
IFM
TYPE
VOLTAGE
RANGE
COMPR
(each)
OFM IFM
COMBUSTION
FAN
MOTOR
POWER SUPPLY
DISCONNECT
SIZE*
Min Max RLA LRA FLA FLA FLA MCA MOCP† FLA LRA
48TJ004
(3 Tons)
208/230-1-60
Std
187 254 16.9 86.7 1.4
2.8
.57
25.3/25.3 35/35 24/24 97/97
Alt 4.9 27.4/27.4 35/35 27/27 102/102
208/230-3-60
Std
187 254 11.7 65.1 1.4
2.8
.57
18.8/18.8 25/25 18/18 76/76
Alt 4.9 20.9/20.9 25/25 21/21 80/80
460-3-60
Std
414 508 5.1 32.8 0.8
1.3
.30
8.5 15 8 38
Alt 2.1 9.3 15 9 41
575-3-60
Std
518 632 4.1 37.0 0.8
1.3
.30
7.4 15 7 32
Alt 2.1 6.7 15 7 32
48TJ005
(4 Tons)
208/230-1-60
Std
187 254 23.0 110.0 1.4
3.5
.57
33.7/33.7 40/40 32/32 122/122
Alt 4.9 35.1/35.1 40/40 34/34 125/125
208/230-3-60
Std
187 254 15.3 92.0 1.4
3.5
.57
24.0/24.0 30/30 23/23 104/104
Alt 4.9 25.4/25.4 30/30 25/25 107/107
460-3-60
Std
414 508 7.0 46.0 0.8
1.8
.30
11.4 15 11 52
Alt 2.1 11.7 15 11 54
575-3-60
Std
518 632 5.8 44.0 0.8
1.8
.30
9.3 15 9 49
Alt 2.1 9.6 15 9 51
48TJ006
(5 Tons)
208/230-1-60
Std
187 254 30.5 141.0 1.4
5.9
.57
42.7/42.7 50/50 43/43 155/155
Alt 8.8 48.3/48.3 60/60 47/47 178/178
208/230-3-60
Std
187 254 17.7 110.0 1.4
5.9
.57
29.4/29.4 35/35 29/29 124/124
Alt 5.8 29.3/29.3 35/35 29/29 145/145
460-3-60
Std
414 508 8.6 55.0 0.8
3.2
.30
14.8 20 15 63
Alt 2.6 14.2 20 14 73
575-3-60
Std
518 632 6.4 50.0 0.8
3.2
.30
12.0 15 12 52
Alt 2.6 11.4 15 12 62
48TJ007
(6 Tons)
208/230-3-60 Std 187 254 20.9 142.0 1.4 5.8 .57 33.3/33.3 40/40 32/32 187/187
460-3-60 Std 414 508 9.9 72.0 0.6 2.6 .30 15.6 20 15 94
575-3-60 Std 518 632 7.9 58.0 0.6 2.6 .30 14.4 15 12 76
IMPORTANT: Optional, alternate evaporator-fan motor and drive
are not available for 48TJ007 units. Contact your local Carrier
representative for more information about field-installed
motors.
LEGEND
COMPR — Compressor
FLA — Full Load Amps
HACR — Heating, Air Conditioning and
Refrigeration
IFM — Indoor (Evaporator) Fan Motor
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
*Used to determine minimum disconnect per NEC.
†Fuse or HACR circuit breaker.
NOTES:
1. In compliance with NEC requirements for multimotor and combi-
nation load equipment (refer to NEC Articles 430 and 440), the
overcurrent protective device for the unit shall be fuse or HACR
breaker. Canadian StandardsAssociation (CSA) units may be fuse
or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply volt-
age is greater than 2%. Use the following formula to determine
the percent voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage
EXAMPLE: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v
452 + 464 + 455
Average Voltage =
3
1371
=
3
= 457
NOTE: The 575-v units are CSA only.
Determine maximum deviation from average voltage.
(AB) 457 − 452=5v
(BC) 464 − 457=7v
(AC) 457 − 455=2v
Maximum deviation is 7 v.
Determine percent voltage imbalance.
7
% Voltage Imbalance = 100 x
457
= 1.53%
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.
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