Retrotec DucTester 341 Manuel d'utilisateur Page 12
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Page 12 of 83
©Retrotec Inc. 2014
Program/Region
Units/Test
Pressure
Leakage requirement
2012 IECC International
Energy Conservation
Code
Global
CFM
25
/100 sq ft at
+ or - 25 Pa
Post Construction Test:
Total Duct Leakage: <= 4 CFM
25
/100 sq ft conditioned floor area.
OR
Rough-in Test with air handler
Total Duct Leakage: <= 4 CFM
25
/100 sq ft
OR
Rough-in Test with no air handler:
Total Duct Leakage: <= 3 CFM
25
/100 sq ft
Required:
-Where ducts are located outside the conditioned space
-In existing houses where more than 50% of the ducts are replaced
Not Required:
- If all ducts are located in the conditioned space
New York State Energy
Code
NY: USA
CFM
25
/100 sq ft
Total leakage at
±25 Pa
Total Duct Leakage: <= 8.0 CFM
25
/100 sq ft of conditioned floor area or 6% of air
handler flow. Measured at supply closest to air handler.
Test equipment must be certified by manufacturer that it complies with ASTM
E1554-07 and ASHRAE Standard 152. Duct leakage to outdoors acceptable
under Method A of ASMT E1554-07.
North Carolina Energy
Conservation Code
NC: USA
CFM
25
/100 sq ft
Total leakage at
– 25 Pa
Total Duct Leakage: <= 6.0 CFM
25
/100 sq ft of conditioned floor area.
Depressurize to -25 Pa measured at supply closest to air handler.
Test equipment must be certified by manufacturer that it complies with ASTM
E1554-07.
Northwest ENERGY STAR
Homes
ID, MO, OR, WA: USA
CFM
50
/sq ft
CFM
50
+ 50 Pa
Total Duct Leakage, air handler in un-conditioned space
CFM
50
<= floor area (sq ft) X 0.04 (which is same as CFM
50
/ sq ft <= 0.04)
OR CFM
50
<= 50 (when house < 1250 sq ft)
OR
Total Duct Leakage, air handler in conditioned space
CFM
50
<= floor area (sq ft) X 0.06 (which is same as CFM
50
/ sq ft <= 0.06)
OR CFM
50
= 75 (when house < 1250 sq ft)
Not Required:
If both the ducts and air handler are located within the conditioned space
Oregon State Energy
Code
OR: USA
Washington State Energy
Code
WA: USA
CFM
25
/sq ft
Total leakage at
+ 25 Pa
Total Duct Leakage
with air handler NOT installed <= floor area (sq ft) X 0.04 CFM
25
with air handler installed <= floor area (sq ft) X 0.08 CFM
25
OR
Duct Leakage to Outdoors (recommended where possible)
<= floor area (sq ft) X 0.06 CFM
25
- DucTester Operation Manual 1
- Page 2 of 83 2
- Page 3 of 83 3
- Page 4 of 83 4
- Page 5 of 83 5
- Page 6 of 83 6
- Page 7 of 83 7
- Page 8 of 83 8
- Page 9 of 83 9
- 1. Why measure Duct Leakage? 10
- Program/Region 11
- Units/Test 11
- Pressure 11
- Leakage requirement 11
- Page 14 of 83 14
- ©Retrotec Inc. 2014 14
- Page 15 of 83 15
- Page 16 of 83 16
- 5. Model 341 DucTesters 17
- 5.1.1. Range Configurations 18
- 5.2 Digital Gauge 20
- 5.3 Flex Duct 21
- Page 22 of 83 22
- 6.2 Charge the gauge 23
- Page 24 of 83 24
- Flat faces down 26
- [Stop] to stop the fan 27
- Optional Flow 29
- Hood connector 29
- Page 30 of 83 30
- Optional Quick 31
- Connect Collar 31
- Page 32 of 83 32
- [@] button 35
- 8.1 Total Duct Leakage 36
- Page 38 of 83 38
- Page 39 of 83 39
- Page 42 of 83 42
- Page 43 of 83 43
- Before leaving the house 44
- Savings 45
- Page 46 of 83 46
- 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
- Page 50 of 83 50
- Page 51 of 83 51
- Page 52 of 83 52
- 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
- Page 54 of 83 54
- 12.1 For Code compliance 55
- Page 56 of 83 56
- Page 57 of 83 57
- 12.9 Other methods 58
- 13.2 Methodology 59
- Average Operating 60
- Pressure (Pa) 60
- Multiplier for 60
- Page 61 of 83 61
- Page 62 of 83 62
- 14.1 Field Check the gauge 63
- Page 64 of 83 64
- 15. Avoid common mistakes 65
- Page 66 of 83 66
- Dimensions 67
- Pressure readings 68
- Page 70 of 83 70
- Cannot Reach 25 Pa Factors 72
- Cannot Reach 50 Pa Factors 73
- Page 75 of 83 75
- Page 76 of 83 76
- Generators 78
- Portable Power Supplies 78
- Page 81 of 83 81
- Glossary 82
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