Retrotec DucTester 341 Manual de usuario descargar pdf (Pagina 39)

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©Retrotec Inc. 2014

20. With DucTester fan off, set the Blower Door to 25 Pa by pressing [Set Pressure] [25] [Enter] on

the Blower Door gauge.

Figure 30: Method #2: Duct Leakage to Outdoors, under depressurization

21. Press [@] if required to remove extrapolation; “@ is Off” should then be displayed on the DucTester

gauge.

22. Set the DucTester to 0 Pa by pressing [Set Pressure] [0] [Set] on DucTester gauge.

23. When 0 Pa +/– 1 is achieved on the DucTester gauge, record “Flow” from the DucTester gauge, which

is Duct Leakage to Outdoors.

Figure 31: Method #2 Duct Leakage to Outdoors, under pressurization

8.3 Duct Leakage to Outdoors with 1 gauge and 2 fans

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 82 83

DucTester Operation Manual 1
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1. Why measure Duct Leakage? 10
Program/Region 11
Units/Test 11
Pressure 11
Leakage requirement 11
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5. Model 341 DucTesters 17
5.1.1. Range Configurations 18
5.2 Digital Gauge 20
5.3 Flex Duct 21
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6.2 Charge the gauge 23
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Flat faces down 26
[Stop] to stop the fan 27
Optional Flow 29
Hood connector 29
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Optional Quick 31
Connect Collar 31
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[@] button 35
8.1 Total Duct Leakage 36
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Before leaving the house 44
Savings 45
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10.2.1. Imperial units 47
10.2.2. Metric units 47
10.3 Choose Duct Test type 48
10.6.3. Baseline pressure 49
] menu allows for this 49
10.7.1. Duct Pressure 49
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11.1 Using a smoke puffer 53
11.2 Using theatrical smoke 53
11.4 Using a wet hand 53
11.5 Using a Pressure Pan 53
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12.1 For Code compliance 55
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12.9 Other methods 58
13.2 Methodology 59
Average Operating 60
Pressure (Pa) 60
Multiplier for 60
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14.1 Field Check the gauge 63
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15. Avoid common mistakes 65
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Dimensions 67
Pressure readings 68
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Cannot Reach 25 Pa Factors 72
Cannot Reach 50 Pa Factors 73
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Generators 78
Portable Power Supplies 78
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Glossary 82

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Retrotec DucTester 341 Manual de usuario Pagina 39

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