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P24A & P34A Service Manual
9. SERVICE OPERATIONS
Refrigerant Leaks...........................................................................................................................................................9-18
Non-Condensable Gases ................................................................................................................................................9-18
Purging Non-Condensables ...........................................................................................................................................9-18
Draining the Oil Trap.....................................................................................................................................................9-19
Removing Excess Water from Ammonia ......................................................................................................................9-20
Circulating Water Pump Motor .....................................................................................................................................9-21
The Thaw Gas Solenoid Valve ......................................................................................................................................9-21
Thaw Gas Solenoid Valve, FIGURE 9-7.......................................................................................................................9-21
The Liquid Feed Solenoid Valve ...................................................................................................................................9-22
The Liquid Feed Solenoid Valve, FIGURE 9-8.............................................................................................................9-22
Water Flush Solenoid Valve ..........................................................................................................................................9-22
Compressor Cooling Solenoid Valve ( dedicated high side only)..................................................................................9-23
Compressor Oil Changing .............................................................................................................................................9-23
Compressor Inspection ..................................................................................................................................................9-23
Belt Tension...................................................................................................................................................................9-24
Compressor Servicing....................................................................................................................................................9-24
Crushed Ice Production .................................................................................................................................................10-1
Length of Ice .................................................................................................................................................................10-1
Power Monitor...............................................................................................................................................................10-2
P24A Specifications, TABLE 11-1................................................................................................................................11-2
P34A Specifications, TABLE 11-2................................................................................................................................11-3
P24A Capacity Ratings, TABLE 11-3 ...........................................................................................................................11-4
P24A Condenser Water Usage, TABLE 11-4................................................................................................................11-5
P34A Condenser Water Usage, TABLE 11-5................................................................................................................11-5
P24A Make-up Water Usage, TABLE 11-6 ..................................................................................................................11-6
P34A Make-up Water Usage, TABLE 11-7 ..................................................................................................................11-6
P24A Normal Operating Vitals, TABLE 11-8...............................................................................................................11-7
P34A Normal Operating Vitals, TABLE 11-9...............................................................................................................11-7
Recommended Spare Parts List .....................................................................................................................................11-8
Temperature - Pressure Chart for Common Refrigerants, TABLE 11-10......................................................................11-9
Conversion Factors: English to Metric, TABLE 11-11 .................................................................................................11-10
Constants, TABLE 11-12 ..............................................................................................................................................11-10
APPENDIX
12. TABLES AND CHARTS
12/26/12
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