Retrotec DM-2A manuals

Retrotec DM-2A User Manual (109 pages)

Brand: Retrotec | Category: Calculators | Size: 5.06 MB |

English

Table of contents

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

Retrotec devices