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Gardner Denver
Air Compressor
VST55-90B
Gardner Denver VST55-90B User Manual
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13
-
17
-618
Version:
00
Dec 7, 2018
VARIABLE SPEED
TWO-STAGE
STATIONARY BASE-MOUNTED
COMPRESSOR
AirSmart
CONTROLLER
MODELS
VST55-
90
B
55
-
75
-90kW
60HZ
OPERATING AND
SERVICE MANUAL
2
Table of Contents
Maintain Compressor Reliability and Performance with Genuine Gardner Denver Compressor Parts and Support Services
2
Instructions for Ordering Repair Parts
2
Warning - Prohibition - Mandatory Label Information
3
Safety Precautions
5
Table of Contents
6
Index
7
List of Illustrations
8
Section 1, General Information
9
Figure 1-1 - Compression Cycle
9
Figure 1-2 - Package Illustration (Air-Cooled) - External Details
11
Figure 1-3 - Package Illustration (Air-Cooled) - Internal Details
12
Figure 1-4 - Package Illustration (Water-Cooled) - External Details
13
Figure 1-5 - Package Illustration (Water-Cooled) - Internal Details
14
Section 2, Installation
15
Figure 2-1 - Typical Compressor Room
16
Figure 2-2 - Inlet Line Lengths
18
Figure 2-3 - Package Maximum Current Consumption Summary
20
Figure 2-4 - Line Reactor Sizing Recommendations
21
Section 3, Starting & Operating Procedures
22
Section 4, Controls & Instrumentation
29
Figure 4-1 - Electrical Enclosure Hardware
30
Figure 4-2 - Piping and Instrumentation Illustration
33
Figure 4-3 - Wiring Diagram - (Air-Cooled) Two-Stage VS Control
34
Figure 4-4 - Wiring Diagram - (Air-Cooled) Two-Stage VS Control
35
Figure 4-5 - Wiring Diagram - (Air-Cooled) Two-Stage VS Control
36
Figure 4-6 - Wiring Diagram - (Air-Cooled) Two-Stage VS Control
37
Figure 4-7 - Wiring Diagram - (Water-Cooled) Two-Stage VS Control
39
Figure 4-8 - Wiring Diagram - (Water-Cooled) Two-Stage VS Control
39
Figure 4-9 - Wiring Diagram - (Water-Cooled) Two-Stage VS Control
40
Figure 4-10 - Wiring Diagram - (Water-Cooled) Two-Stage VS Control
41
Section 5, Compressor Lubrication - Separation, Filtration and Controls
44
Figure 5-1 - Thermostatic Mixing Valve Element
49
Figure 5-2 - Pressure Dew Point of Compressed Air
50
Figure 5-3 - Oil Coalescing Element
51
Section 6 - Heat Exchangers (Oil, Air), Axial Cooling Fans
53
Figure 6-1 - Air Flow Chart
54
Figure 6-2 - Cooler Housing Side Covers
55
Figure 6-3 - Water-Cooled Heat Exchanger Coolant Requirements
56
Figure 6-4 - Water Control Valve
57
Section 7, Air Filter
58
Figure 7-1 - Air Filter (Standard)
58
Section 8, Shaft Coupling
60
Figure 8-1 - Coupling Components
60
Figure 8-2 - Coupling Element
61
Figure 8-3 - Motor Removal Hardware
62
Figure 8-4 - Coupling Installation Tool Kit
65
Figure 8-5 - Coupling Removal Tool Kit
65
Section 9, Minimum Pressure/Check Valve
66
Figure 9-1 - Minimum Discharge Pressure/Check Valve
67
Section 10, Inlet Control Valve
68
Figure 10-1 - Inlet Control Valve (Body)
68
Section 11, Pressure Relief Valve
70
Figure 11-1 - Pressure Relief Valve
70
Section 12, Ventilation Fans, Filters (Electrical Enclosure)
72
Section 13, Motor Lubrication
73
Section 14, Maintenance Schedule
74
Section 15, Troubleshooting
76
4
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Gardner Denver VST55-90B Specifications
General
Brand
Gardner Denver
Model
VST55-90B
Category
Air Compressor
Language
English
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