TEC MINNEAPOLIS BLOWER DOOR 3, Руководство по эксплуатации

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CHAPTER 5 CONDUCTING A BLOWER DOOR DEPRESSURIZATION TEST 21
5.1 Choosing a Test Procedure 21
5.2 Depressurization Test Procedures Using the DG-700 21
5.3 Depressurization Test Procedures Using the DG-3 24
5.4 Using the Can’t Reach 50 Factors (One-Point Tests) 27
5.4.a Potential Errors In One-Point CFM50 Estimate from Using the CRF Factors: 28
5.5 Unable to Reach a Target Building Pressure During a Multi-Point Test? 29
5.6 Testing in Windy Weather 29
5.7 Before Leaving the Building 29
CHAPTER 6 BASIC TEST RESULTS 30
6.1 Basic Airtightness Test Results 30
6.1.a Air Leakage at 50 Pascals: 30
6.1.b Normalizing Air Leakage for the Size of the House: 31
6.2 Optional Correction for Air Density 32
6.3 Additional Test Result Options (requires use of TECTITE software) 33
6.3.a Leakage Areas: 33
6.3.b Estimated Natural Infiltration Rates: 33
6.3.c Mechanical Ventilation Guideline: 34
6.3.d Estimated Cost of Air Leakage: 35
CHAPTER 7 PRESSURIZATION TESTING 36
7.1 Gauge Set-Up For Pressurization Measurements 36
7.1.a DG-700 and DG-3 Gauges: 36
7.1.b APT System: 37
7.2 Fan Set-Up For Pressurization Measurements 38
7.3 Optional Correction for Air Density 38
CHAPTER 8 FINDING AIR LEAKS 39
8.1 Using Your Hand 39
8.2 Using a Chemical Smoke Puffer 39
8.3 Using an Infrared Camera 39
8.4 Diagnosing Series Leakage Paths 40
CHAPTER 9 TESTING FOR DUCT LEAKAGE AND PRESSURE
IMBALANCES
41
9.1 Duct Leakage Basics 41
9.1.a Why Is Duct Leakage Important? 41
9.1.b Where Does Duct Leakage Occur? 41
9.1.c How Much Can Energy Bills Be Reduced By Sealing Duct Leaks? 42
9.1.d Duct Leakage to the Outside: 42
9.1.e Duct Leakage to the Inside: 43
9.2 Finding Duct Leaks to the Outside 43
9.2.a Smoke Test: 43
9.2.b Pressure Pan: 43
9.3 Estimating Duct Leakage to the Outside With a Blower Door 44
9.3.a Modified Blower Door Subtraction: 44