Retrotec DM-2A User Manual Page 20
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- What you will learn 2
- What is Pressure? 3
- There are two 5
- Bias due to wind and stack 7
- ◦ Stabilizes readings 8
- Testing in windy weather 9
- Use a wind dampening kit 10
- What does taking a baseline 11
- 1. Press [Baseline] 12
- 2. Press [Start] 12
- 3.Wait until 12
- The measured baseline 13
- Avoid Problems 16
- Gauge field check 17
- Cross Port Check 19
- To outside 20
- Always wait twice 22
- (2X) the time 22
- Pinched tubes 23
- What can cause problems 25
- Range, or 26
- Some common problems are 27
- Introduction 28
- Calibrated 30
- Flex duct 30
- 12’ Flex-duct 31
- 12’ flex duct 32
- Static pressure probe 32
- Sample roll of 8” DuctMask 32
- 5 step, Total duct 34
- Pressurization test 34
- Prepare ducts and house 35
- Duct testing guides 36
- Step 1: Connect to ducts 37
- Fan Pressure Tap 47
- Turn the gauge On 50
- Manually adjust fan speed 51
- Troubleshooting 56
- Connect the red 57
- Both channels 57
- Duct leakage to outdoors 62
- Pressurization to outdoors 63
- The duct leakage to 64
- The leaks measured 64
- 100 cfm 65
- Leak location 66
- Duct Simulator setup 67
- Large Building Testing 68
- Guiness World Record 69
- Acceptable air leakage? 73
- Real life test: EMAD 74
- Real life test: BTC 75
- Real life test: Retrotec 76
- Face page and graphs for MFT 77
- Test Scenarios 82
- FanTestic software 83
- Problem 1 84
- Solution 85
- Problem 2 86
- Problem 3A 88
- Problem 3B 89
- Connections that work best 91
- Exercises 94
- Control Cable 96
- Red tubes attached 96
- Imbalanced test fan flow – 100
- Developed by Retrotec Inc 101
- Only 1 gauge controls 102
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