Retrotec DucTester 341 Manual do Utilizador descarregar pdf (Página 35)

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©Retrotec Inc. 2014

Use the manual Speed Control Knob on the Fan Top. Increase the fan speed until a stable

pressure of 25 Pa (or -25 Pa) is displayed for Duct Pressure (Channel A). Press [@] button

until “@ is ON” is displayed to view the results at exactly 25 Pa. If your standard requires

50 Pa, change the [Default @ Pressure] to 50 Pa from the [Settings] menu.

7. If "--" appears as the flow result, or the desired test pressure cannot be reached, change the Range

Configuration on the fan and on the gauge to match (see section 6.8).

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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 do Utilizador Página 35

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