Edwards nES EX Series Manuals

Manuals and User Guides for Edwards nES EX Series. We have 1 Edwards nES EX Series manual available for free PDF download: Instruction Manual

Edwards nES EX Series Instruction Manual (96 pages)

SINGLE STAGE ROTARY VANE PUMP

Brand: Edwards | Category: Water Pump | Size: 4 MB

Table of Contents
5
Safety
9
Key to the Symbols
9
Description
12
Principle of Operation
12
Inside the Pump (Process Gas)
13
Outside the Pump
13
Ignition Temperatures of Gases/Vapours that Can be Present
13
Potential Ignition Sources
14
Protective Measures
14
Technical Data
16
Technical Characteristics Nes40Ex
16
Table 1 Technical Characteristics Nes40Ex
16
Technical Characteristics Nes65Ex
17
Table 2 Technical Characteristics Nes65Ex
17
Technical Characteristics Nes100Ex
18
Table 3 Technical Characteristics Nes100Ex
18
Technical Characteristics Nes200Ex
19
Table 4 Technical Characteristics Nes200Ex
19
Technical Characteristics Nes300Ex
20
Table 5 Technical Characteristics Nes300Ex
20
Technical Data Nes630Ex
21
Table 6 Technical Data Nes630Ex
21
Figure 1 Dimensional Drawing Nes40Ex
22
Figure 2 Dimensional Drawing Nes65Ex
23
Figure 3 Dimensional Drawing Nes100Ex
24
Figure 4 Dimensional Drawing Nes200Ex
25
Figure 5 Dimensional Drawing Nes300Ex
26
Figure 6 Dimensional Drawing Nes630Ex
27
Figure 7 Pumping Speed Nes40Ex
28
Figure 8 Pumping Speed Nes65Ex
28
Figure 9 Pumping Speed Nes100Ex
29
Figure 10 Pumping Speed Nes200Ex
29
Figure 11 Pumping Speed Nes300Ex
30
Figure 12 Pumping Speed Nes630Ex
30
Ordering Information
31
Table 7 Ordering Information ATEX Category II Pumps
31
Table 8 Ordering Information Bare Shaft Pump
31
Accessories
33
Nes Single Stage Ex Series and Booster Combinations
33
Table 9 Connections
33
Table 10 Accessories
33
Spare Parts
34
Lubricants
34
Table 11 Spare Parts
34
Table 12 Lubricant
34
Transport and Storing
35
Transport and Packaging
35
Mounting Orientation
35
Storage
36
Installation
38
Connection to the System
39
Intake Side
39
Exhaust Side
39
Electrical Connections
40
Motor Protection Device
41
Figure 13 Wiring
41
Temperature Sensor PT100
42
Oil Level Switch
42
Over Pressure Sensor
42
Associated Electrical Equipment
42
Figure 14 Pump System Overview
43
Figure 15 Decision Diagram
44
Figure 16 Wiring Diagram
45
Figure 17 Example of Electrical Diagram
46
Figure 18 Example of Electrical Diagram
47
Start the Pump
48
Operation
50
Pumping of Non-Condensible Gases
50
Pumping of Condensible Gases and Vapours
50
Shut down
52
Ultimate Pump Pressure
52
Maintenance
53
Safety Information
53
Spare Parts
53
Maintenance Intervals
54
Service at Edwards Vacuum Service Technology Centre
54
Table 13 Maintenance Schedule
54
Maintenance Work
55
Checking the Oil Level
55
Checking the Oil Condition
55
Observe the Safety Regulations
56
Oil Change
56
Replacing the Exhaust Filters
57
The Pumps: Nes40Ex, Nes65Ex, Nes100
57
Figure 19 Exhaust Filter Replacement: Nes40Ex, Nes65Ex, Nes100
57
Obey the Safety Regulations
58
Nes200Ex
58
Figure 20 Nes40Ex, Nes65Ex and Nes100Ex Earth Continuity Check
58
Figure 21 Replace the Exhaust Filters
59
Nes300Ex
61
Figure 22 Nes200Ex Earth Continuity Check
61
Earthing Continuity Test
62
Nes300Ex
63
Figure 23 Nes300Ex Earth Continuity Check
63
Checking the Float Valve
64
Figure 24 Test Earth Continuity
64
Cleaning the Intake Port Dirt Trap
65
Checking the Isolation Valve
65
Cleaning the Gas Ballast Air Filter
66
Cooling Coil Cleaning (Air Cooled Pumps)
66
Check and Re-Tighten the V-Belts on Nes630Ex
66
Tension Meter
66
Figure 25 Using the Tension Meter
67
Lubricating the Bearings
68
Table 14 Tension Values with Goodyear Tension Meter
68
Table 15 Tension Values with PIX Tension Meter
68
Table 16 Amount of Grease Per Bearing
68
Replacement of Electrical Motor
69
Procedure for Checking the Ignition Prevention System
69
Motor Installation (for Bare Shaft Non-ATEX Pumps)
70
Motor Installation Instructions
70
Figure 26 Nes100Ex Motor Coupling Half Position
70
Motor Installation Instructions for Nes200Ex Pump
71
Figure 27 Nes300Ex Motor Coupling Half Position
71
Figure 28 Drain the Oil from the Pump
71
Figure 29 Remove the Pump Coupling Housing
72
Figure 30 Coupling Housing Removal
72
Figure 31 Proper Orientation
73
Figure 32 Turbine Support Spacing
73
Figure 33 Tighten Assembly
74
Figure 34 Reassemble
74
Electrical Connections
75
Figure 35 Replace Pump Cover
75
Fault Finding
76
Table 17 Fault Finding
76
Spare Parts
78
Figure 36 Nes40 Ex ATEX CAT 2 Spares Parts
79
Table 18 Nes40 Ex ATEX CAT 2 Maintenance Kit
80
Table 19 Nes40 Ex ATEX CAT 2 Repair Kit
80
Figure 37 Nes65 Ex ATEX CAT 2 Spares Parts
81
Table 20 Nes65 Ex ATEX CAT 2 Maintenance Kit
82
Table 21 Nes65 Ex ATEX CAT 2 Repair Kit
82
Figure 38 Nes100 Ex ATEX CAT 2 Spares Parts
83
Table 22 Nes100 Ex ATEX CAT 2 Maintenance Kit
84
Table 23 Nes100 Ex ATEX CAT 2 Repair Kit
84
Figure 39 Nes200 Ex ATEX CAT 2 Spares Parts
85
Table 24 Nes200 Ex ATEX CAT 2 Maintenance Kit
86
Table 25 Nes200 Ex ATEX CAT 2 Repair Kit
86
Figure 40 Nes300 Ex ATEX CAT 2 Spares Parts (1 of 3)
87
Table 26 Nes300 Ex ATEX CAT 2 Maintenance Kit
88
Table 27 Nes300 Ex ATEX CAT 2 Repair Kit
88

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Edwards nES EX Series Instruction Manual (96 pages)

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