Vollrath Stoelting U411, Руководство по обслуживанию, Страница: 9 / 27

Service Manual #513688 Rev.0 3 U411 Model Machines
1.3 COMPONENT SETTINGS
Following are the settings for the components in the
U411 I2 machine.
A. COMPRESSOR WINDINGS
When testing the compressor windings the resistance
through the windings should be as follows:
B. CAPACITORS
Refer to the following table for the capacitance of all the
capacitors in the machine:
C. PUMP PRESSURE SWITCH
The pump pressure switch, located in the cabinet, main-
tains 21-24 psig in the mix line.
°F Resistance °F Resistance
-22 176950 40 26100
-20 165200 42 24725
-18 154300 44 23400
-16 144200 46 22175
-14 134825 48 21000
-12 126125 50 19900
-10 118050 52 18875
-8 110550 54 17900
-6 103550 56 17000
-4 97075 58 16125
-2 91025 60 15325
0 85400 62 14550
2 80150 64 13825
4 75275 66 13150
6 70725 68 12500
8 66475 70 11875
10 62500 72 11300
12 58800 74 10750
14 55325 76 10250
16 52100 78 9750
18 49075 80 9300
20 46250 82 8850
22 43600 84 8450
24 41125 86 8050
26 38800 88 7675
28 36625 90 7325
30 34575 92 7000
32 32675 94 6675
34 30875 96 6375
36 29175 98 6100
38 27600 100 5825
D. TEMPERATURE CONTROL SENSOR
The following table shows the relationship between the
thermistor resistance and the suction line temperature.
Rating
Capacitor Part MFD VAC
Compressor - Start 230638 88-106 MFD 330 VAC
Compressor - Start 231049 88-106 MFD 330 VAC
Compressor - Run 230653 40 MFD 370 VAC
Compressor - Run 231048 40 MFD 440 VAC
Motor - Start 230622 200 MFD 250 VAC
Motor - Run 231075 30 MFD 370 VAC
Fan Motor 230654 5 MFD 400 VAC
Cab Compressor 230667 80 MFD 300 VAC
Compressor Electrical S to C R to C
282076 1 PH 3.31 Ω 1.28 Ω
282116 1 PH 1.70 Ω 1.02 Ω
282117 3 PH 1.91 Ω 1.54 Ω
282111 1 PH 16.40 Ω 10.20 Ω