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Gardner Denver
Air Compressor
VS50A
Gardner Denver VS50A User Manual
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GARDNER DENVER
®
13-18-601
Version: 02
October 11, 2005
VS45-70A
VARIABLE SPEED, SINGLE STAGE
STATIONARY BASE-MOUNTED
COMPRESSOR
AIRSMART
™
CONTROLLER
DOMESTIC MODELS
VS45-50-70A
45-50-70kW
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
Figure 1-1 - Compression Cycle
9
Section 1, General Information
9
Figure 1-2 - Package Illustration (Air-Cooled) - External Details
10
Figure 1-3 - Package Illustration (Air-Cooled) - Internal Details
11
Figure 1-4 - Package Illustration (Water-Cooled) - External Details
12
Figure 1-5 - Package Illustration (Water-Cooled) - Internal Details
13
Section 2, Installation
14
Water-Cooled Units
15
Figure 2-1 - Typical Compressor Room
15
Enclosure
16
Auxiliary Air Receiver
17
Electrical Wiring
18
Figure 2-2 - Package Maximum Current Consumption Summary
18
Grounding
19
Figure 2-3 - Line Reactor Sizing Recommendations
19
Section 3, Starting & Operating Procedures
20
Quick Start Guide
22
Starting the Unit
24
Stopping the Unit
25
Section 4, Controls & Instrumentation
27
Figure 4-1 - Electrical Enclosure Hardware
28
Figure 4-2 - Piping and Instrumentation Illustration
31
Figure 4-3 - Wiring Diagram - (Air-Cooled) Single-Stage VS Control
32
Figure 4-4 - Wiring Diagram - (Air-Cooled) Single-Stage VS Control
33
Figure 4-5 - Wiring Diagram - (Air-Cooled) Single-Stage VS Control
34
Figure 4-6 - Wiring Diagram - (Air-Cooled) Single-Stage VS Control
35
Figure 4-7 - Wiring Diagram - (Water-Cooled) Single-Stage VS Control
36
Figure 4-8 - Wiring Diagram - (Water-Cooled) Single-Stage VS Control
37
Figure 4-9 - Wiring Diagram - (Water-Cooled) Single-Stage VS Control
38
Figure 4-10 - Wiring Diagram - (Water-Cooled) Single-Stage VS Control
39
Section 5, Compressor Lubrication - Separation, Filtration and Controls
40
Addition of Oil between Changes
41
Draining and Cleaning
42
Figure 5-1 - Checking Oil Level
43
Figure 5-2 - Changing Oil Filter
43
Figure 5-3 - Thermostatic Mixing Valve Element
44
Oil Mixing Valve
44
Figure 5-4 - Pressure Dew Point of Compressed Air
45
Figure 5-5 - Changing Oil Coalescing Element
47
Section 6 - Heat Exchangers (Oil, Air)
48
Figure 6-1 - Air Flow Chart
49
Figure 6-2 - Cooler Housing Side Covers
50
Figure 6 3 - Water-Cooled Heat Exchanger Coolant Requirements
50
Figure 6-4 - Water Control Valve
52
Section 7, Air Filter
54
Figure 7-1 - Air Filter (Standard)
54
Section 8, Shaft Coupling
56
Figure 8-1 - Coupling Components
56
Figure 8-2 - Coupling Element
57
Figure 8-3 - Motor Removal Hardware
57
Section 9, Minimum Pressure/Check Valve
59
Figure 9-1 - Minimum Discharge Pressure/Check Valve
60
Section 10, Inlet Control Valve
61
Figure 10-1 - Inlet Control Valve
61
Section 11, Pressure Relief Valve
63
Section 12, Ventilation Fans, Filters (Electrical Enclosure)
65
Section 13, Motor Lubrication
66
Section 14, Maintenance Schedule
67
Yearly
68
Section 15, Troubleshooting
69
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Gardner Denver VS50A Specifications
General
Model
VS50A
Phase
3
Flow Rate
200-250 CFM
Air Delivery
200-250 CFM
Max Pressure
10 bar / 145 psi
Weight
205 kg / 452 lbs
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