Edwards nHT20 Manuals

Manuals and User Guides for Edwards nHT20. We have 1 Edwards nHT20 manual available for free PDF download: Instruction Manual

Edwards nHT20 Instruction Manual

Edwards nHT20 Instruction Manual (79 pages)

Brand: Edwards | Category: Water Pump | Size: 2 MB

Table of Contents

Table of Contents
4
Safety and Compliance
7
Definition of Warnings and Cautions
7
Safety Symbols
8
Important Safety Information
9
Mechanical Hazards
9
Electrical Hazards
10
Thermal Hazards
11
Danger through Substances and Materials
12
Description
14
Design and Function
14
Figure 1 Overview of Nht Diffusion Pump
15
Supplied Equipment
16
Technical Data
17
Dimension Drawings
17
Figure 2 Nht10 Dimensions
17
Figure 3 Nht16 Dimensions
18
Figure 4 Nht20 Dimensions
19
Figure 5 Nht32 Dimensions
20
Pumping Speed Curves
21
Figure 6 Nht35 Dimensions
21
Figure 7 Pumping Speed Overview for Nht10
21
Figure 8 Pumping Speed Overview for Nht16
22
Figure 9 Pumping Speed Overview for Nht20
22
Figure 10 Pumping Speed Overview for Nht32
23
Figure 11 Pumping Speed Overview for Nht35
23
Ordering Information
26
Centre of Gravity Overview
27
Pump Fluids
27
Transport and Storage
29
Storage
30
Figure 12 Nht Pump Shipping Case
30
Installation
31
Figure 13 Connection Elements
32
Inlet Connection
33
Backing Connection
33
Coolant Connection
34
Electrical Connection
35
Connecting the Heaters
35
Terminal Box Layouts
36
Figure 14 Nht10 Terminal Box Layout
36
Figure 15 Nht16 Terminal Box Layout
37
Figure 16 Nht20 Terminal Box Layout
37
Thermal Safety Switch
38
Figure 17 Nht32/35 Terminal Box Layout
38
Connecting Monitoring Components (Optional)
39
Pump Fluid
40
Figure 18 Schematic for a Diffusion-Type Vacuum Pump System
41
Operation
42
Media Compatibility
42
Figure 19 Commission and Operation Schematic
42
Start-Up
43
Operate
44
Air Inrush
45
Regular Checks
46
Turn Off/Shut down
46
Disconnect the Pump from the System
47
Maintenance
49
Check the Pump Fluid Level
49
Top-Up Pump Fluid
50
Figure 20 Checking the Level of the Pump Fluid
51
Figure 21 Oil Level Sight Glass with Pump Fluid Inlet and Outlet Ports
51
Exchange the Pump Fluid
52
Clean the Pump
52
Clean the Cooling Coils
54
Replace the Heating Cartridges
54
Fault Finding
56
Storage
58
Waste Disposal
59
Disposing of Used Fluid
59
Spares and Accessories
60
Figure 22 Overall View of the Nht20 ANSI
60
Terminal and Circuit Diagrams
66
Figure 23 Nht10 Circuit Diagram (1 of 2)
67
Figure 24 Nht10 Circuit Diagram (2 of 2)
68
Figure 25 Nht16 Circuit Diagram (1 of 2)
69
Figure 26 Nht16 Circuit Diagram (2 of 2)
70
Figure 27 Nht20 Circuit Diagram (1 of 3)
71
Figure 28 Nht20 Circuit Diagram (2 of 3)
72
Figure 29 Nht20 Circuit Diagram (3 of 3)
73
Figure 30 Nht32/35 Circuit Diagram (1 of 3)
74
Figure 31 Nht32/35 Circuit Diagram (2 of 3)
75
Figure 32 Nht32/35 Circuit Diagram (3 of 3)
76
Service
77
Return the Equipment or Components for Service
77

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