Retrotec Blower Door - Manual (Page 5)

Page 5 of 87
©Retrotec Inc. 2015
4.15.1. Air Leakage at 50 Pascal .................................................................................................... 45
4.15.2. Air Changes per hour at 50 Pa - ACH50 ............................................................................ 45
4.15.3. Equivalent Leakage Area - EqLA 10 ................................................................................... 45
4.15.4. Effective Leakage Area - EfLA 4 ......................................................................................... 45
4.16 Results from Multi-Point Procedure .......................................................................................... 45
5. Avoid Common Sources of Error ................................................................. 46
5.1 Wrong Range Configuration or Device ...................................................................................... 46
5.2 No Reference Tube when Pressurizing ...................................................................................... 46
5.3 Incorrect @ Pressure usage ....................................................................................................... 46
5.4 Choose the Appropriate Test Direction ..................................................................................... 46
5.5 Minimize effects of upstream Air Flow conditions .................................................................... 46
5.6 Considerations when operating with high backpressure .......................................................... 47
6. Maintain system for optimum operation .................................................... 47
6.1 Check motor and fan blade position ......................................................................................... 50
6.2 Check for Flow Sensor leaks ...................................................................................................... 50
6.3 Perform a field verification monthly ......................................................................................... 50
7. Power to run the fan and gauge ................................................................. 52
7.1 Status lights indicate power and control connections are ready to go ..................................... 52
7.2 Using the Fan with Mains Power ............................................................................................... 52
7.3 Using the Fan with a power generator ...................................................................................... 52
7.4 Recommended Generators ....................................................................................................... 53
7.4.1. Honda Generator EU2000 (120V, 2000W, 67 lbs) ............................................................ 53
7.4.2. GENYX G3000HI (230V, 3000W) generator ..................................................................... 54
7.5 Portable Power Supplies for DucTester ..................................................................................... 54
7.5.1. Black and Decker Electromate 400 Model VEC026BD ...................................................... 54
8. Fan Troubleshooting ................................................................................... 55
8.1 Retrotec 2000 series 120 Volt AC motors overheat and shut off ............................................. 55
8.2 3300 High Power Fan will not control smoothly ....................................................................... 55
8.3 3300 Fan will not start ............................................................................................................... 56
8.4 Power supply interior status light fault codes ........................................................................... 57
Appendix A: Calculate Airflow Manually .......................................................... 59
Appendix B: Find correct CFM at particular fan pressure .................................. 60
Appendix C: Find Door Fan System Part Numbers ............................................. 68