
RWH ROTARY SCREW COMPRESSOR UNITS
INDEX
070.620-IOM (DEC 12)
Page 58
Index
control transformer, 14
coolers, 5
cooling tower water, 11
cooling water, 11
coupling, 13
Coupling Data Table, 7
coupling hubs, 6
CPT, 14
crane, 6
CT, 14
CT ratio, 15
Current Transformer, 14
cutout parameters, 16
cycle time, 17
D
Daisychaining, 50
dead band, 17
Demand Pump
Troubleshooting
Grease leaks from vent port, 37
Insufficient oil pressure, 37
Main filter PSID too high, 37
Noise and Vibration, 37
Oil pressure drops as head pressure
increases, 37
Oil pressure fluctuates, 37
Oil pressure rapidly drops, 37
Viking Pump, 26
Demand Pump
ball bearing, 27
single row ball bearing, 28
bearing retainer washer, 27,28
bearing spacer, 26,28
bearing spacer collar, 28
carbongraphite bushings, 26,27,28
casing, 27
End Clearance, 28
idler, 26
idler pin, 26,27
lip seal, 27,28
Mechanical Seal, 27
Oring gasket, 28
Preventative Maintenance
end clear ance, 30
end clearance adjustment, 30
grease, 30
lubrication, 30
pump head, 28
refrigeration oil, 27
seal face, 27
seal seat, 27
seal spring, 28
shaft snap ring, 28
snap ring, 26,28
tapered installation sleeve, 27
thrustbearing assembly, 26,28
Thrust Bearing Adjustment, 28
Troubleshooting
bent shaft, 29
cavitating, 29
cavitation, 29
Discharge Port, 29
Discharge pressure, 29
discharge valve, 29
Fluttering, 29
Gate valve, 29
High viscosity, 29
jumping, 29
misalignment, 29
Pressure Gauge, 29
Relief valve, 29
Relief valve poppet, 29
Starving, 29
Strainer, 29
suction port, 29
Suction valve, 29
vacuum gauge, 29
Vibrating, 29
disctype check valves, 12
discharge check valve, 21
disconnect switches, 23
disc drive spacer, 6
disc packs, 6
doubleacting hydraulic cylinders, 17
DoubleActing Mode, 17
doubleacting solenoid valve, 18
drain valve, 24
drive coupling, 21
dry nitrogen, 9,23
dualport liquid injection, 18
dualsetpoint, 13
dual dip tube method, 11
dual oil filters, 16
DX vessel, 13
E
Economizer
backpressure regulator valve, 12,13
balancing load, 12
BPR valve, 12
check valve, 12
DX vessel, 13
economizer port, 12,13
economizer vessel, 12
electric shutoff option, 12,13
flashing liquid, 12
flash economizer system, 12
flash gas, 13
flash tank, 12
flash vapor, 13
heat exchanger, 12
isolation valve, 12
liquid feed solenoid, 13
liquid solenoid, 12
microprocessor, 12
outlet pressure regulator, 12
overpressurizing, 12
Packaged Refrigerant Recirculation
Unit, 13
partial load, 12
pistontype check valves, 12
Symbols
3phase ground, 48
3phase supply, 48
A
Abnormal Operation Analysis and Cor
rection, 32
acrosstheline, 13
atmospheric pressure, 24,25
axial loads, 16
axial load bearings, 16
B
backfeeding, 21
back flushing, 11
backpressure regulator, 13
backpressure regulator valve, 12,13
balance piston, 16,21
Balance Piston Pressure Regulator, 30
balancing load, 12
bleed valve, 24
booster application, 14
booster systems, 21
BP, 18
BP coupling data table, 7
BPR valve, 12
brownouts, 15
C
cable trays, 48
check valve, 12,21
chemical cleaning process, 11
circuit breaker, 14
circuit breaker disconnect, 14
closedloop fluids, 11
closedloop system, 11
coalescer filter element, 17,25
coalescer filter retainer, 25
codes, 48
ColdStart System, 17
Comm Port Protection, 50
Communications, 50
Compressor
compressor, 12
drive shaft, 16
hydraulic system, 17
motor, 13,14
oil tempera ture, 18
suction, 17,18
Vi, 18
Compressor Operating Log Sheet, 56
Compressor Port Locations, 40
Compressor Prestart Checklist, 52
condenser inlet, 10
condensing pressure, 10
condensing tempera ture, 10
Conduit, 48
constant speed starters, 48
control power regulator, 15
control power transformer, 14
Содержание Frick 1179
Страница 36: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 36 Figure 37 OIL LEVEL TRANSMITTER ...
Страница 41: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 41 COMPRESSOR PORT LOCATIONS 408 MM ...
Страница 51: ...RWH ROTARY SCREW COMPRESSOR UNITS MAINTENANCE 070 620 IOM DEC 12 Page 51 OPERATING LOG SHEET ...
Страница 62: ...RWH ROTARY SCREW COMPRESSOR UNITS NOTES 070 620 IOM DEC 12 Page 62 ...
Страница 63: ...RWH ROTARY SCREW COMPRESSOR UNITS NOTES 070 620 IOM DEC 12 Page 63 ...