Retrotec DM-2A Manual de usuario Pagina 3
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- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
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Valorado. / 5. Basado en revisión del cliente
Page 3 of 66
©Retrotec Inc. 2012
Table of Contents
1 UNDERSTANDING THE PRESSURE GAUGE ...................................................................................................6
Differential Pressure................................................................................................................................................... 6
Positive vs. Negative Pressure .................................................................................................................................... 7
Analog Gauges ............................................................................................................................................................ 8
2 DM-2 DIGITAL GAUGE BASICS ...............................................................................................................9
2.1 Batteries .....................................................................................................................................................9
Install batteries ........................................................................................................................................................... 9
Rechargeable or non-rechargeable (alkaline) batteries ........................................................................................... 10
2.2 Gauge Overview ...................................................................................................................................... 12
The Connections Panel ............................................................................................................................................. 12
The DM-2 Screen ..................................................................................................................................................... 13
The Keypad ............................................................................................................................................................... 14
2.3 Resetting the Gauge ................................................................................................................................ 14
2.4 Screen Contrast ....................................................................................................................................... 15
3 DM-2 KEYPAD FUNCTIONS .................................................................................................................. 16
On/Off (Backlight) ................................................................................................................................................... 16
Exit ............................................................................................................................................................................ 16
Enter (Volume/Area) ................................................................................................................................................ 16
Device ....................................................................................................................................................................... 16
Mode ........................................................................................................................................................................ 17
Range Config (fan Flow Ranges) ............................................................................................................................... 17
Setup ........................................................................................................................................................................ 18
Baseline .................................................................................................................................................................... 18
Time Avg ................................................................................................................................................................... 19
Auto Zero .................................................................................................................................................................. 19
Set Pressure .............................................................................................................................................................. 20
Set Speed .................................................................................................................................................................. 20
Jog/Hold ................................................................................................................................................................... 20
@ Pressure ............................................................................................................................................................... 21
4 USING THE DM-2 GAUGE FOR TESTING .................................................................................................. 24
4.1 Making the Connections .......................................................................................................................... 24
Pressure port connections ....................................................................................................................................... 24
Hardware connections ............................................................................................................................................. 25
4.2 Conducting a Basic Test ........................................................................................................................... 26
5 GAUGE SET UP .................................................................................................................................. 27
5.1 Setup Menu ............................................................................................................................................. 27
Full Screen Timeout .................................................................................................................................................. 28
Restore Settings ....................................................................................................................................................... 28
Language .................................................................................................................................................................. 28
Battery Type ............................................................................................................................................................. 29
Display Version Info .................................................................................................................................................. 29
n................................................................................................................................................................................ 30
Power Down Hour .................................................................................................................................................... 31
Surface Area Unit ..................................................................................................................................................... 31
Building Volume Unit ............................................................................................................................................... 32
European , Separator ............................................................................................................................................... 32
Sig Figs ...................................................................................................................................................................... 32
5.2 Device Setup ............................................................................................................................................ 33
- DM-2 Operation Manual 1
- Page 2 of 66 2
- ©Retrotec Inc. 2012 2
- Table of Contents 3
- List of Tables 5
- List of Figures 5
- Differential Pressure 6
- Page 7 of 66 7
- Analog Gauges 8
- 2 DM-2 Digital Gauge Basics 9
- 2.2 Gauge Overview 12
- The DM-2 Screen 13
- 2.3 Resetting the Gauge 14
- 2.4 Screen Contrast 15
- 3 DM-2 Keypad Functions 16
- Baseline 18
- Time Avg 19
- Auto Zero 19
- Set Pressure 20
- Set Speed 20
- Jog/Hold 20
- @ Pressure 21
- Page 22 of 66 22
- Page 23 of 66 23
- 4.1 Making the Connections 24
- Hardware connections 25
- 4.2 Conducting a Basic Test 26
- 5 Gauge set up 27
- Full Screen Timeout 28
- Restore Settings 28
- Language 28
- Battery Type 29
- Display Version Info 29
- Power Down Hour 31
- Surface Area Unit 31
- Building Volume Unit 32
- European , Separator 32
- Sig Figs 32
- 5.2 Device Setup 33
- Enable and Disable Devices 35
- 5.3 Mode Setup 37
- Page 40 of 66 40
- Page 41 of 66 41
- Page 42 of 66 42
- 6 Field Calibration 43
- 7 Troubleshooting 45
- Page 48 of 66 48
- 7.6 Large fixed errors 49
- Page 50 of 66 50
- 7.9 Windy conditions 51
- Page 53 of 66 53
- 7.12 Updating Firmware 54
- Page 57 of 66 57
- Cannot Reach 50 Pa Factors 58
- Cannot Reach 25 Pa Factors 59
- Appendix C: Exponent Errors 62
- Page 63 of 66 63
- Glossary 64
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