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RWF II 100
Frick RWF II 100 User Manual
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070
.610-IOM (JUL 21)
Page 63
RWF II R
otary Screw Compr
essor Units
Maintenance
Figure 63: P and I diagr
am, liquid injection – single port
LIQUID REFRIGERANT
FROM RECEIVER
S
STRAINER
SOLENOID
VA
LV
E
M
OT
ORIZED
EXP
ANSION
VA
LV
E
SIGHT
GLASS
LIQUID LINE
TUBING LINE
COMPRESSOR LOW
VI,
HIGH
VI, ECONOMIZER,
OR CLOSED
THREAD
Figure 64
: P and I diagram, liquid injection – dual port (new design)
TUBING LINE
LIQUID
LINE
SIGHT
GLASS
MO
TORIZED
EXP
ANSION
VA
LV
E
SOLENOID
VA
LV
E
STRAINER
S
9
YY
COMPRESSOR
LO
WV
I
COMPRESSOR
HIGH
VI
TO
SEP
ARA
TO
R
COMPRESSOR
SUCTION PRESS.
LIQUID REFRIGERANT
FROM RECEIVER
S
TUBING LINE
LIQUID
LINE
SIGHT
GLASS
MO
TORIZED
EXP
ANSION
VA
LV
E
3-
WA
Y
MO
TORIZED
VA
LV
E
SOLENOID
VA
LV
E
STRAINER
S
COMPRESSOR
LO
WV
I
COMPRESSOR
HIGH
VI
LIQUID REFRIGERANT
FROM RECEIVER
M
Figure 65: P and I diagr
am, liquid injection – dual port (old design)
62
64
Table of Contents
Default Chapter
2
Table of Contents
2
General Information Preface
3
Design Limitations
3
Job Inspection
3
Transit Damage Claims
3
Unit Identification
3
Compressor Identification
4
Installation
5
Foundation
5
Rigging and Handling
5
Compressor/Motor Coupling Installation
6
Skid Removal
6
Holding Charge and Storage
7
Oil Pump Coupling
7
Compressor Unit Oil
8
Oil Charge
8
Oil Heaters
8
Piping Connections
8
Oil Filters
9
Suction Valve Mounting
9
Thermosyphon Oil Cooling
9
Liquid Injection Oil Cooling - Optional
10
High-Stage Economizer - Optional
11
Water or Glycol Oil Cooling - Optional
11
Economizer Load Balancing
13
Economizer VI Control
13
Economizing with Vsds
13
Electrical
13
Motor Starter Package
14
Current Transformer (CT) Ratios
15
Control Power Regulator
16
Installation of Electronic Equipment in an Industrial Environment
16
Minimum Burden Ratings
16
Grounding
17
Voltage Source
17
Wire Sizing
17
VFD Applications
18
Conduit
19
Wiring Practices
19
Communications
21
UPS Power and Quantum HD Panels
21
Operation
23
Compressor Lubrication System
23
No Pump Oil System
23
Operation and Startup Instructions
23
SGC Compressor
23
Cold-Start System
24
Compressor Oil Separation System
24
Demand Pump Oil System
24
Compressor Hydraulic System
25
Volume Ratio Control
25
Compressor Oil Cooling Systems
26
Dual-Port Liquid Injection
26
Single-Port Liquid Injection
26
Quantum HD EZ-COOL Liquid Injection Adjustment Procedure
27
Operation of Danfoss Liquid Injection Valve
28
Low Ambient Operation
29
Suction Check Valve Bypass
29
Balance Piston Pressure Regulator
31
Initial Start-Up
31
Initial Start-Up Procedure
31
Suction Check Valve Power Assist Kit
31
Normal Start-Up Procedure
32
Maintenance General Information
33
VFD Skip Frequencies
32
Compressor Shutdown and Start-Up
33
General Instructions for Replacing Compressor Unit Components
33
General Maintenance
33
Normal Maintenance Operations
33
Oil Filter (OF-1) Cartridge Style
34
Coalescer Filter Element
35
Strainer - Demand Oil Pump
35
Strainer - Liquid Injection
35
Changing Oil
36
Demand Pump Disassembly
36
Demand Pump Assembly
37
Thrust Bearing Adjustment
38
Installing Carbon Graphite Bushings
39
Troubleshooting the Demand Pump
39
Maintenance Schedule
40
Preventive Maintenance
40
Maintenance Program
41
Vibration Analysis
41
Motor Bearings
42
Oil Quality and Analysis
42
Oil Sampling Procedure
42
Operating Log
42
Relubrication Interval and Instructions - Marathon
43
Relubrication Interval and Instructions - weg Electric Motor
43
Abnormal Operation Analysis and Correction
44
Grease Compatibility
44
Troubleshooting Guide
44
Servicing the Cold-Start Valve
45
EZ-CAL High Pressure Cut-Out Check Valve Test Block
46
Pressure Transducers - Testing
46
Capacity Linear Transmitter - Slide Valve
47
Pressure Transducers - Replacement
47
Volume Ratio Control Transmitter - Slide Stop
47
Oil Level Transmitter
48
Temperature Sensor
48
Troubleshooting the Demand Pump System
50
Troubleshooting the RWF II Compressor
50
Troubleshooting the Hydraulic System
51
Troubleshooting the Oil Separation System
51
Motor and Bare Compressor Replacement
52
SAE Straight Thread O-Ring Fittings Assembly Procedure
52
Shutdown Due to Improper Oil Pressure (High Stage and Booster)
52
Compressor Port Locations
53
Piping and Instrumentation Diagrams
61
Forms
66
Operating Log Sheet
66
RWF II Compressor Prestart Checklist
67
Vibration Data Sheet
72
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Frick RWF II 100 Specifications
General
Brand
Frick
Model
RWF II 100
Category
Compressor
Language
English
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