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Edwards nXDS Series User Manual
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A735-01-880 I
ssue C
Page 16
© E
dwards Limi
ted 2017. All r
ights reserve
d.
Edwards and the Edward
s logo a
r
e trademarks of Edwards Limited.
Installation
Figure 8 - Instal
lation dr
awing
Note:
All dimensions in mm. External dimens
ions are the same for all va
riants.
23
25
Table of Contents
Default Chapter
2
Declaration of Conformity
2
Table of Contents
5
Introduction
9
Scope of this Manual
9
ATEX Directive Implication
10
General Description
10
Pump Controller
10
Logic Interface
11
Nxds Scroll Pump
11
Gas Ballast Control
12
Quick Start Guide (Manual Control Mode)
13
Technical Data
15
Operating and Storage Conditions
15
Performance
15
General
15
Pumping Media
16
Performance Characteristics
16
Nxds6I Performance Characteristics
17
Nxds10I Performance Characteristics
17
Nxds15I Performance Characteristics
18
Nxds20I Performance Characteristics
18
Mechanical Data
19
General
19
Sound and Vibration Data
19
Construction
19
Electrical Data
19
Logic Interface Data
20
LED Indicators
22
Installation
23
Safety
23
System Design Considerations
23
Installation Drawing
24
Unpack and Inspect
25
Position the Pump
25
Mechanical Fixing
25
Connect to the Vacuum System
25
Electrical Installation
26
Fuses and Circuit Breakers
26
Electrical Supply Connection
27
Disconnect the Pump from the Electrical Supply
27
Connection for Remote Control and Monitoring
27
Connect the Logic Interface to the Control Equipment
27
Operation
29
Operational Modes
29
Manual Operation
29
Start and Stop
30
Standby
30
User Interface Panel
30
Parallel Control and Monitoring
31
Logic Interface Connections - Parallel Control
31
Analogue Speed Control
32
Logic Interface Connections - Analogue Speed Control
32
Hardware Configuration
33
Operation
33
Auto-Run
34
Use of Gas Ballast Control
34
Gas Ballast Control
34
Start up Procedure
34
To Achieve Ultimate Vacuum
35
To Pump Condensable Vapours
35
Shut down
35
Maintenance
37
Safety Information
37
Maintenance Plan
38
Inspect and Clean the Inlet Strainer
38
Clean the External Fan Cover
38
Check the Pump Performance (Service Indicator)
38
Replace the Tip-Seals
39
Replace the Pump Bearings (Service Indicator)
39
Replace the Pump Controller (Service Indicator)
39
Electrical Safety Check
39
Service Indicator Codes
40
Fault Finding
40
The Pump Has Failed to Start or Has Stopped
40
The Pump Has Failed to Achieve the Required Performance
40
The Pump Has Poor Ultimate Vacuum
41
The Pump Is Noisy
41
The Pump Surface Temperature Is High
41
Poor Ultimate Vacuum Flow Chart
41
Alarm Indicator Codes
42
Noisy Pump Flow Chart
42
Storage and Disposal
45
Storage
45
Disposal
45
Spares and Accessories
47
Introduction
47
Accessories
48
Nxds Accessories
48
Silencer
49
Gas Ballast Adaptor
49
Gas Ballast Adaptor Blank
49
Vibration Isolators
49
Inlet/Exhaust Filter
49
Exhaust Nozzle
50
Chemical Resistance Conversion Kit
50
Electrical Cables
50
Pump-To-Controller Cable
50
Spares
51
Tip-Seal Kit (Youtube Video Https://Www.youtube.com/Watch?V=Vknh9Dxoyhe)
51
Cooling Fan
51
Gas Ballast Knob
51
Silencer Spares Kit
51
Inlet/Exhaust Filter Spares
51
Bearing Replacement Kit (Not Field Serviceable)
52
Exhaust and Ballast Valve Kit
52
4
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Edwards nXDS Series Specifications
General
Brand
Edwards
Model
nXDS Series
Category
Water Pump
Language
English
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