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HF Scientific CLX-Ex User Manual
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OWNER’S MANUAL
CLX-
Ex
Online Resid
ual
Chlorine Monito
r
For Use in Explosive E
nvironments
And Extended R
eagent Life
Model 28031
HF scientific
3170 Metro Parkway
Ft. Myers, FL 33916
Phone: 239-337-2116
Toll Free: 888-203-7248
Fax: 239-332-7643
EMail:HFInfo@Watts.com
Website: www.hfscientific.com
Catalog No 28815B
Rev 1.5 (10/11)
2
Table of Contents
Default Chapter
5
Default Chapter
5
Table of Contents
5
Specifications
7
1 Overview
8
Unpacking and Inspection of the Instrument and Accessories
8
The Display
9
The Touch Pad
9
Orientation
10
2 Safety
11
Symbols Used in CLX-Ex
11
Use in Explosive Environments Safety
11
3 Theory of Operation
12
The Measurement
12
The Purge Control X-Purge Controller
13
Optional Remote Standby
14
The Reagents
14
The Reagent Cooler
14
4 Installation and Commissioning
15
Mounting & Site Selection
15
Plumbing
16
Air Supply
16
Electrical Connections
17
Rs-485
17
Relays
17
Optional) Remote Standby Connections
18
RS-485/4-20 Ma Cable Ferrite
18
Installing Reagents
18
5 Purge Control X-Purge Controller Operation
19
Start up
19
Indicator Lamp
19
Maintenance By-Pass Operation
20
6 Operation
21
Routine Measurement
21
Routine Measurement with Optional Remote Standby
21
Security Access Feature
22
The White LED
23
7 Instrument Calibration
24
Slope (Gain) Calibration Procedure
24
Zero (Offset) Calibration Procedure
25
Restore Factory Settings
25
8 Instrument Configuration (CONFIG Mode)
26
Setting the 4-20 Ma
26
Configuring the Error Level
27
Configuring the RS-485 Port
27
Configuring the Alarms
27
Alarm1
28
Alarm 2
28
Enabling the Security Access
28
Extended Settings
28
Units of Measurement
29
Averaging and Filtering
29
LCD Backlight Brightness
29
RS-485 Parameters
30
Cycle Time
30
Water Conservation
30
Ma Adjustment
31
9 Additional Features and Options
32
RS-485 Output
32
Simple Communication
32
Modbus Communication
32
Remote Panel Meter
32
Desiccant Cartridge
32
10 Troubleshooting
33
CLX-Ex Fault Detection
33
Setting Flow Rate
34
Clearing Faults
34
Reagent Clogs
34
Diagnostic Chart
35
Technical and Customer Assistance
35
11 Routine Maintenance
36
Maintenance Schedule
36
Indicator Reagent Preparation
37
Replacing or Installing the Reagents
39
Check Valve Flushing Kit
40
Instrument Storage
40
Cleaning the CLX-Ex
40
12 Accessories and Replacement Parts List
41
13 ATEX Certificate
42
14 Warranty
45
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HF Scientific CLX-Ex Specifications
General
Brand
HF Scientific
Model
CLX-Ex
Category
Measuring Instruments
Language
English
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