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nXDS15i
Edwards nXDS15i User Manual
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Figure 11
Logic interf
ace
c
onnecons
- analogue speed contr
ol
1.
Start switch
2.
Analogue contr
ol switch
3.
nXDS pump logic interf
ace
Note:
0.1 V
º
1% of Default Run Speed.
1.
Start switch
2.
Analogue contr
ol switch
3.
nXDS pump logic interf
ace
Note:
0.1 V
º
1% of Default Run Speed.
Figure 12
Analogue speed control
Note:
V
oltages below 6.7 V will result in a clamped speed of 67% of full speed.
P
age 34
A73501880_G -
Oper
aon
35
37
Table of Contents
Default Chapter
5
Table of Contents
5
1 Safety and Compliance
9
Definition of Warnings and Cautions
9
Safety Symbols
9
2 Introduction
11
Scope of this Manual
11
ATEX Directive Implication
11
Description
12
Pump Controller
12
Logic Interface
13
Gas Ballast Control
13
Figure 1 Nxds Scroll Pump
13
Figure 2 Quick Start Guide (Manual Control Mode)
14
3 Technical Data
17
Operating and Storage Conditions
17
Performance
17
Pumping Media
18
Performance Characteristics
18
Figure 3 Nxds6I Performance Characteristics
19
Figure 4 Nxds10I Performance Characteristics
20
Figure 5 Nxds15I Performance Characteristics
20
Mechanical Data
21
Sound and Vibration Data
21
Figure 6 Nxds20I Performance Characteristics
21
Construction
22
Electrical Data
22
Electrical Cables
22
Logic Interface Data
23
LED Indicators
25
Figure 7 LED Indicators
25
4 Installation
27
Safety
27
System Design Considerations
27
Figure 8 Installation Drawing
28
Unpack and Inspect
29
Position the Pump
29
Mechanical Fixing
29
Connect to the Vacuum System
30
Electrical Installation
31
Fuses and Circuit Breakers
31
Electrical Supply Connection
31
Disconnect the Pump from the Electrical Supply
31
Connection for Remote Control and Monitoring
31
Connect the Logic Interface to the Control Equipment
31
5 Operation
33
Operational Modes
33
Manual Operation
33
Start and Stop
34
Standby
34
Figure 9 User Interface Panel
34
Parallel Control and Monitoring
35
Analogue Speed Control
35
Figure 10 Logic Interface Connections - Parallel Control
35
Figure 11 Logic Interface Connections - Analogue Speed Control
36
Figure 12 Analogue Speed Control
36
Hardware Configuration
37
Operation
37
Auto-Run
37
Use of Gas Ballast Control
37
Gas Ballast Control
37
Start up Procedure
38
To Achieve Ultimate Vacuum
38
To Pump Condensable Vapours
38
Shut down
38
6 Maintenance
40
Safety Information
40
Maintenance Plan
41
Inspect and Clean the Inlet Strainer
41
Clean the External Fan Cover
41
Check the Pump Performance
41
Check the Pump Performance (Service Indicator)
42
Replace the Tip-Seals
42
Replace the Pump Bearings (Service Indicator)
42
Replace the Pump Controller (Service Indicator)
43
Electrical Safety Check
43
Service Indicator Codes
43
Service Indicator Codes on Page
43
7 Fault Finding
45
The Pump Has Failed to Start or Has Stopped
45
The Pump Has Failed to Achieve the Required Performance
45
The Pump Has Poor Ultimate Vacuum
45
The Pump Is Noisy
46
Figure 13 Poor Ultimate Vacuum Flow Chart
46
The Pump Surface Temperature Is High
47
Alarm Indicator Codes
47
Figure 14 Noisy Pump Flow Chart
47
8 Storage and Disposal
49
Storage
49
Disposal
49
9 Spares and Accessories
50
Introduction
50
Accessories
51
Figure 15 Nxds Accessories
51
Gas Ballast Adaptor
52
Gas Ballast Adaptor Blank
52
Inlet/Exhaust Filter
52
Silencer
52
Vibration Isolators
52
Chemical Resistance Conversion Kit
53
Electrical Cables
53
Exhaust Nozzle
53
Pump-To-Controller Cable
54
Spares
54
Tip-Seal Kit
54
Cooling Fan
54
Gas Ballast Knob
54
Silencer Spares Kit
54
Inlet/Exhaust Filter Spares
55
Bearing Replacement Kit (Not Field Serviceable)
55
Exhaust and Ballast Valve Kit
55
10 Service
56
Return the Equipment or Components for Service
56
4
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Edwards nXDS15i Specifications
General
Brand
Edwards
Model
nXDS15i
Category
Water Pump
Language
English
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