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Humidifier
Delta Faucet
DF-745
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Appendix A
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User Menu Screens
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Contents
Main
The Delta F Difference
Read Me First
Unpacking Procedure
Installation and Maintenance
Thank You
1 Table of Contents
1Table of Contents ....................................................................1
2Cautions....................................................................................7
3Specifications ..........................................................................9
4Installation, Start Up and Shut Down................................... 13
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1.1 Table of Figures
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Table of Tables
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2Cautions
2.1 Symbols and Explanations
2.2 Important Warnings
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3Specifications
3.1 Moisture
3.2 General
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Figure 1: Overall View
Specifications DF-745 11
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4Installation, Start Up and Shut Down
4.1 Analyzer Installation
4.1.1 Vacuum Source
4.1.2 Pneumatic Pressure Line Connection -Optional
4.1.3 Sample Gas Connections
See page 25 for information on the installation of the optional vacuum pump.
REGULATOR ADJUST
NOT USED
Figure 5: Rear Gas Connections and Controls with Optional Gas Panel
PROCESS INLET
4.1.4 Electrical Connections
4.1.5 Hydrogen Service Safety System
NOT USED
Figure 7: AC Power Connections with Optional Gas Panel
ISOLATION GAS PANEL SHOWN AC INLET
4.2 Analyzer Start Up
4.2.1 Gas Delivery System
4.2.2 Gas Pressure and Flow Settings
4.2.3 Download System Data
4.3 Analyzer Shut Down
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Installation, Start Up and Shut Down DF-745 23
H O
Figure 10: Block Diagram of Gas Flow Path with Optional Valvesand Aspirator
PI
V1 V2
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5Options
5.6.1 Installation of the Vacuum Pump
Options DF-745 27
Figure 12: Vacuum Pump Mount Dimensions
Figure 13: Vacuum Pump Dimensions
5.6.2 Moisture Sample Gas Outlet Connection to Vacuum Pump
5.6.3 Electrical Connections
Options DF-745 29
PI
H O
Figure 15: Block Diagram of Gas Flow Path and Optional Vacuum Pump
PI
Figure 16: Block Diagram of Gas Flow Path with Optional Valves and Vacuum Pump
V1 V2
H O
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6Connecting to External Devices
6.1 Serial Communication Port J5
6.2 Analog Signal Outputs J4
6.3 4-20 mA Outputs J4
6.4 Relay Ports J8, J9
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7User Interface
7.1 Data Display Screen
7.2 Keypad
EnterNextMenu
ESC
7.3 Menu Structure
7.4 Main Menu
7.4.1 Isolate Analyzer Optional
7.4.2 Restore Sample Gas Flow Optional
7.4.3 Calibrate Menu
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7.4.4 Data History Routine
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7.4.5 Data Downloader Routine
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7.4.6 View Logs Menu
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7.4.7 Analyzer Setup
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7.4.8 Analog Output Setup
7.4.9 Graph Setup
7.4.10 Diagnostics Menu
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7.4.12 Power Up Default Optional
7.4.13 Date/Time
7.4.14 Communications
7.4.15 Download System Data
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7.4.16 System Info
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8Sample Gas Preparation and Delivery
8.1 Introduction
8.2 Sample Flow Rate and Pressure
8.3 Flow Rate Effects on Sensor Performance
8.4 Sample Gas Scale Factor
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9Service
9.1 Return Material Authorization number
9.2 Maintenance
9.2.1 Storage Conditions
9.2.2 Moisture Cell Maintenance
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Service DF-745 73
9.3 Replaceable Parts List
Table 8: Replaceable Parts List
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9.4 Troubleshooting the DF745 NanoTrace Analyzer
Shipping
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10 Theory of Operation
10.1The Moisture Measurement
10.1.1 Moisture and the IR Spectrum
10.1.2 Absorption Spectroscopy
11 Safety
11.1General Warnings
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12 Warranty
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13 Index
4
A
C
D
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P
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T
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15 Appendix B Hydrogen Service Safety System
15.1 Instrument
15.2 Vacuum Pump
15.3 Installation
15.4 Operation
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Figure 85: Hydrogen Service Safety System
Appendix B Hydrogen Service Safety System DF-745 93
Figure 86: Pump Purge Option
94 Appendix B Hydrogen Service Safety System
