
HPS Rotary Screw Compressor Units
070.700-IOM (MAR 21)
Page 53
Index
shutdowns, 29
sight glass, 8,22,32
single-box control,
single‑port liquid injection, 23
skip frequencies, 27
slugging, 29
solenoid, 12,31
solenoid valve, 10,23
spacer, 7
spring isolators, 5
star networks, 19
starter coil,
starter operating log sheet, 49
starter package, 12
starter wiring diagram,
starting torque,
start‑up
CoolWare™, 24
discharge temperature, 24
hand expansion valve,
initial start‑up, 24
prestart checklist, 24
start‑up, 8
theoretical discharge temperature, 24
water control valve, 24
stop valve, 31
strainer, 10,11,31
strainer basket, 31
strainer cover, 31
strainer elements, 32
subcooling, 11
suction, 22
suction accumulators, 29
suction bypass, 11
suction check valve, 8,23
suction check valve bypass, 22
suction check valve bypass line, 11
Suction flange,
suction isolation valve, 8
suction line, 3
suction strainer, 21,29
suction trap, 30
superheat, 29
Surge suppression, 19
system head pressure, 21
T
TCV, 23
tempera ture control valve, 23
temperature sensor, 23
temperature sensor
DIN connector plug, 38
thermal well, 38
transmitter unit, 38
troubleshooting,
digital board #1, 38
thermosyphon, 9
thermosyphon oil cooling, 9
thermosyphon oil cooling
condenser inlet, 9
condensing pressure, 9
condensing temperature, 9
operating level, 8
plate and shell oil cooler, 9
receiver, 9,10
thermostatically controlled mixing
valve, 9
thermosyphon oil cooling, 9
two‑pass oil coolers,
vapor, 9
threaded metallic, 17
threaded PVC‑coated metallic, 17
throttling valve, 22
traps, 3
troubleshooting, 39
excessive noise and vibration,
gradual oil loss, 39
rapid oil loss, 39
shaft seal leakage, 39
troubleshooting
high oil temperature, 40
low oil temperature, 40
oil temperature fluctuates,
troubleshooting the oil separation
system, 39
troubleshooting the rwf ii compressor,
39
tunnel mount, 6
turbine drive, 5
two‑pass oil coolers,
U
uninterrupted power supply, 19
unit data plate, 3
unitized flex disc,
V
vapor, 9
vapor line, 11
variable frequency drives, 17
variable speed, 23
variable speed drive, 21
VFD, 27
VFD Applications, 17
VFD output, 17
vibration data sheet, 50
voltage isolation, 19
W
water‑cooled oil cooler, 10
water‑cooled oil cooling, 10
water treatment, 10
water vapor, 29