070.610-IOM (JUL 21)
Page 74
RWF II Rotary Screw Compressor Units
Index
flash gas,
flash vessel,
float level control,
forklift, 6
foundation, 5
foundation
anchor bolts, 5
epoxy grout, 5
grout, 5
housekeeping pads, 5
I-beams, 5
reinforced concrete, 5
foundation, 3,5,23
freeze-up protection, 29
frequency range, 32
G
gas bypassing, 23
gas compression, 5
gas flow,
gas outlet connection, 24
gauges, 8
general maintenance, 33
H
hard water conditions, 11
heat exchanger, 11
helical rotors, 23
high-frequency vibrations, 5
high pressure discharge gas, 31
high stage applications, 24
hot oil, 10
hydraulic cylinder, 25
hydraulic System
compressor suction, 25
compressor Vi, 25
cycle time, 25
dead band, 25
double-acting hydraulic cylinders, 25
double-acting mode, 25
fixed bulkhead,
hydraulic cylinder, 25
microprocessor, 25
movable slide stop, 25
MSS, 25
MSV, 25
MSV solenoid, 25
needle valve, 26
proportional band, 25
slide valve, 25
solenoid valve, 25
Vi, 25
volume ratio, 25
I
identification data plate,
infinitely variable volume ratio,
inlet service valve, 34
J
jack, 6
K
keyway setscrews, 7
L
leak test, 34
level-control method, 11
LICO, 26
liquid feed solenoid, 12
liquid injection, 23,26
alarms, 29
analog input signal, 28
common digital alarm, 29
danfoss liquid injection valve
High, 28
ICAD (industrial control actuator
with display), 28
ICM (motorized industrial control
valve), 28
Low, 28
Med, 28
MMI (man machine interface), 28
opening degree (OD), 28
parameter list
analog input signal, 30
analog output signal, 30
automatic calibration, 30
digital input function, 30
fail-safe, 30
ICM configuration,
main switch, 30
mode, 30
modulating mode, 30
old alarms, 30
password, 30
parameters, 28
digital input signal, 28
enter push button, 28
ICAD (industrial control actuator
with display), 28
ICM valve, 28
MMI (man machine interface), 28
motorized industrial control valve, 28
opening degree, 28
parameter list
analog output signal, 30
automatic calibration, 30
digital input function, 30
fail-safe, 30
ICM configuration,
main switch, 30
mode, 30
modulating mode, 30
old alarms, 30
password, 30
parameters, 28
solenoid valve, 28
liquid injection oil cooling, 11
liquid injection strainer, 35
liquid injection system, 10
liquid injection tube, 10
liquid injection valves, 33
liquid level, 10
liquid refriger ant, 26
liquid solenoid, 11,35
liquid supply service valve, 35
locknut, 7
low differential oil pressure, 24
low pressure transducer, 34
low voltage, 14
lubrication system, 23
M
main oil injection port, 24
maintenance
abnormal operation analysis and cor-
abnormal system conditions, 44
abnormal vibration, 41
capacity linear transmitter,
compressor unload cylinder,
condensed refrigerant, 45
DIN connector plug,
filter elements,
grease compatibility, 43
leaks, 41
linear transmitter,
lubrication, 42
main operating screen, 44
maintenance schedule, 40
moisture, 42
motor bearings, 42
NLGI grease compatibility chart, 44
noise, 41
oil analysis, 42
oil level control,
oil level transmitter,
oil quality, 42
operating log, 42
P and I diagram, 58
potentiometer,
Pressure transducers
Discharge pressure, 46
Discharge pressure transducer,
Oil pressure transducer, 46
Pressure transducer,
Testing, 46
Voltage reading, 46
maintenance program, 41
refrigeration oil, 42
sensor well,
servicing the cold-start valve, 45
bonnet, 45
bonnet cap screw torque values, 45
valve body, 45
valve housing, 45