
HPS Rotary Screw Compressor Units
070.700-IOM (MAR 21)
Page 2
Installation - Operation - Maintenance
Contents
Compressor and unit identification
.................................... 3
Foundation ........................................................................ 5
Rigging and handling ......................................................... 5
Removing the skid ............................................................. 6
Checking the motor/compress or rota tion .......................... 6
Compressor/motor coupling installation ............................ 6
Installing the coupling................................................... 6
Holding charge and storage .............................................. 7
Compressor unit oil ........................................................... 7
Oil charge .......................................................................... 7
Oil heater(s) ...................................................................... 8
......................................................................... 8
Suction valve mounting ..................................................... 8
Thermosyphon oil cooling (TSOC) ..................................... 9
Liquid injection oil cooling (optional) ............................... 10
Water or glycol oil cooling (optional) .............................. 10
Economizer (optional) ..................................................... 11
Economizer load balancing .............................................. 12
Economizing with VSDs ................................................... 12
Electrical ......................................................................... 12
Motor VSD package ........................................................ 12
Current transformer (CT) ratios ....................................... 13
Mini mum burden ratings ................................................. 14
Control power regulator .................................................. 14
Installation of electronic equipment in an industrial
environment ............................................................. 15
Wire sizing ...................................................................... 15
Voltage source ................................................................ 15
Grounding ....................................................................... 16
Considerations ................................................................ 17
Conduit ........................................................................... 17
Wiring practices ............................................................. 18
Communications ............................................................. 19
UPS power and Quantum
HD panels .............................. 19
Operation and Start‑Up instructions ............................... 21
HPS compressor .............................................................. 21
Compressor lubrication system ....................................... 21
No pump oil system ........................................................ 21
Compressor oil separation system .................................. 22
Cold‑start system (580 psig DWP) .................................. 22
Capacity regulation and fixed volume ratio Vi
Compressor oil cooling systems ...................................... 23
Single‑port liquid injection .............................................. 23
Suction check valve bypass ............................................. 23
Low ambient operation ................................................... 24
Initial start‑up ................................................................. 24
Initial start‑up procedure ................................................ 24
procedure ................................................................ 25
Operation of Danfoss liquid injection valve ..................... 26
Reset to factory setting: ............................................. 27
compressor unit components ................................... 29
OF‑1) cartridge style ........................................ 30
Strainer ‑ Liquid injection ............................................... 30
.............................................. 31
Changing oil .................................................................... 31
Maintenance schedule ..................................................... 32
Maintenance program ..................................................... 33
Vibration analysis ............................................................ 33
Oil quality and analysis .................................................... 33
Oil sampling procedure ................................................... 33
Operating log .................................................................. 33
Motor bearings ................................................................ 35
Grease compatibility ........................................................ 35
Troubleshooting guide ..................................................... 35
Abnormal operation
analysis and correction ............................................ 35
Servicing the cold‑start valve
(580 psig DWP only) ................................................ 36
Testing pressure transducers ........................................... 36
Replacing pressure transducers ....................................... 37
Temperature sensor ........................................................ 38
Oil level switch ................................................................ 38
Replacement .............................................................. 39
Troubleshooting the HPS Compressor unit ...................... 39
Troubleshooting the oil separation system ...................... 39
Troubleshooting the liquid injection oil cooling system ... 40
Motor and bare compressor replacement ....................... 40
SAE straight thread O-ring fittings assembly procedure
Operating log sheet ........................................................ 44
HPS Compressor prestart checklist ................................. 45
Start‑up report ................................................................ 46
Vibration data sheet ........................................................ 50