Electrical data, connections and wiring
The operating voltage limits are shown in the
table section “Motor voltage”. The voltage applied
to the motor terminals must lie within these
table limits during both start-up and normal
operations. The maximum allowable voltage
imbalance is 2%. Voltage imbalance causes high
amperage over one or several phases, which in
turn leads to overheating and possible motor
damage. Voltage imbalance is given by the
formula:
Motor voltage
Voltage imbalance
Electrical data
Compressor models
LRA
MCC
Maximum Operating
Current
Winding resistance
A
A
A
Ω
Motor code 3
PSH019
203
43
38
0.39
PSH023
267
46
45
0.27
PSH026
267
61
48
0.27
PSH030
304
64
56
0.24
PSH034
315
69
64
0.22
PSH039
351
75
71
0.22
Motor code 4
PSH019
98
20
19
1.47
PSH023
142
23
22
1.05
PSH026
142
29
24
1.05
PSH030
147
30
28
0.92
PSH034
158
33
31
0.83
PSH039
197
38.6
36
0.83
Motor code 9
PSH019
124
26
23
1.05
PSH023
160
30
26
0.72
PSH026
160
35
29
0.72
PSH030
168
37
33
0.62
PSH034
177
41
37
0.57
PSH039
239
51
44
0.57
| Vavg - V1-2 | + | Vavg - V1-3 | + | Vavg - V2-3 |
% voltage imbalance= __________________________________________________ x100
2 x Vavg
Motor voltage code
Code 3
Code 4
Code 9
50 Hz
Nominal voltage
-
380-400V - 3 ph
-
Voltage range
-
340-440 V
-
60 Hz
Nominal voltage
200-230V - 3 ph
460V - 3 ph
380V- 3 ph
Voltage range
180-253 V
414-506 V
342-418 V
Vavg = Mean voltage of phases 1, 2, 3
V1-2 = Voltage between phases 1 & 2
V1-3 = Voltage between phases 1 & 3
V2-3 = Voltage between phases 2 & 3
12
FRCC.PC.022.A4.02
Application Guidelines
