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DM-2A
Manuel d'utilisateur
Retrotec DM-2A Manuel d'utilisateur Page 30
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Table des matières
DEPANNAGE
MARQUE LIVRES
Noté
.
/ 5. Basé sur
avis des utilisateurs
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Calibrated
Fan
Flex duct
Flex duct
flange
Flex
duct
Image Courtesy
of Retrotec
Inc
Image Courtesy
of The Energy
Conservatory
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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
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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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