Trane PKG-PRC002-EN User Manual
Electrical Data
PKG-PRC002-EN
79
Selection Procedures
RLA = Rated Load Amps
Compressor LRA = Locked Rotor Amps
Fan Motor LRA = Locked Rotor Amps,
N.E.C. Table 430 - 150
FLA = Full Load Amps, N.E.C.
Compressor LRA = Locked Rotor Amps
Fan Motor LRA = Locked Rotor Amps,
N.E.C. Table 430 - 150
FLA = Full Load Amps, N.E.C.
Table 430 - 150
Voltage utilization range is ±10 percent
Determination of minimum circuit
ampacity (MCA).
MCA = 1.25 x largest motor amps/VFD
amps (FLA or RLA) + the sum of the
remaining motor amps.
ampacity (MCA).
MCA = 1.25 x largest motor amps/VFD
amps (FLA or RLA) + the sum of the
remaining motor amps.
Determination of maximum fuse size
(MFS) and maximum circuit breaker size
(MCB)
MFS and MCB = 2.25 x largest motor
amps (FLA or RLA) + the sum of the
remaining motor amps.
(MFS) and maximum circuit breaker size
(MCB)
MFS and MCB = 2.25 x largest motor
amps (FLA or RLA) + the sum of the
remaining motor amps.
Units with the dual power option require
separate MFS and MCB calculations for
each electrical circuit:
1) fans and 2) compressors.
separate MFS and MCB calculations for
each electrical circuit:
1) fans and 2) compressors.
If the rating value calulation does not
equal a standard over current protective
device rating, use the next lower standard
rating as the maximum.
equal a standard over current protective
device rating, use the next lower standard
rating as the maximum.
Table ED-1. Number of Compressors per Unit
SCRF/SIRF
20
25 - 29
30 - 35
40
50
60
SCWF/SIWF 20 - 25
29 - 32
35 - 38
42 - 46
52 - 58
65 - 72
80
10
2
1
3
2
-
1
-
15
-
1
-
1
3
3
4
Table ED-2. SCWF/SIWF Compressor Electrical Data
200V
460V
575V
HP
RLA
LRA
RLA
LRA
RLA
LRA
10
33
269
14.5
117
11.5
94
15
46
409
20.5
178
16.5
143
Table ED-3. SCRF/SIRF Compressor Electrical Data
200V
460V
575V
HP
RLA
LRA
RLA
LRA
RLA
LRA
10
36.8
269
16.3
117
13.2
94
15
61.1
409
26
178
21.5
143
Table ED-4. Fan Without VFD Electrical Data
200V
460V
575V
HP
FLA
LRA
FLA
LRA
FLA
LRA
5
16.1
105
6.7
46
5.4
37
7.5
25.0
152
10.8
66
8.2
54
10
32.9
193
14.2
84
11.4
66
15
44.8
290
20.3
126
16.2
102
20
61.0
373
25.0
162
20.0
132
25
74.0
469
31.0
204
24.2
162
30
87.0
552
36.0
240
28.6
192
40
113.0
718
47.8
312
38.0
246
50
NA
NA
62.0
390
49.2
312
Table ED-5. Fan with VFD Electrical Data
200V
460V
HP
FLA
LRA
FLA
LRA
7.5
29.0
152
14.3
66
10
38.3
193
18.1
84
15
42.7
290
25.8
126
20
55.2
373
32.4
162
25
67.8
469
38.9
204
30
82.0
552
39.0
240
40
108.6
718
51.0
312
50
NA
NA
61.5
390
Note: Values are at the maximum VFD input rating and not the reduced motor values.