Retrotec DucTester 341 Manuale Utente Scaricare il pdf (Pagina 44)

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©Retrotec Inc. 2014

9. Restore the house to pre-test conditions after testing is

complete

Notice the conditions in the building upon arrival and be sure to restore it to that condition before

leaving.

Before leaving the house

1. Remove all Grill Mask from registers.

2. Replace all filters from the return(s) and air handler.

3. Turn the furnace, air conditioning, HVAC system back on.

4. Ensure any combustible appliances that were turned off are turned back on, and that they are

properly vented again.

5. Unseal any closed ventilation, or reconnect the ducts if it was disconnected.

6. Close any exterior doors or windows that were opened during total duct leakage test.

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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 Manuale Utente Pagina 44

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