Retrotec Multi-Fan Blower Door Manuel d'utilisateur

Retrotec Inc. Multi-Fan Blower Door Operation Manual For Series 1000 and 3000 systems rev-2015-01-22

Page 10 of 37 ©Retrotec Inc. 2015 2.2.3. Measure Leakage between rooms using pressure neutralization The procedure below describes how leakage betwee

Page 11 of 37 ©Retrotec Inc. 2015 Tubing configuration for pressure neutralization. Both gauges should be in the hallway. All pressures are referenc

Page 12 of 37 ©Retrotec Inc. 2015 3. Options for controlling the speed of multiple fans There are two methods of speed control for your multi-fan set

Page 13 of 37 ©Retrotec Inc. 2015 4. Options to set up test parameters and collect test data For multi-fan tests, you can choose to collect data using

Page 14 of 37 ©Retrotec Inc. 2015 4.2.1. How to set “Individual Control” with FanTestic Software Individual Control ON (checked: ): This is the defa

Page 15 of 37 ©Retrotec Inc. 2015 5. Multiple Fan Testing Scenarios The following are different scenarios that illustrate multi-fan testing problems,

Page 16 of 37 ©Retrotec Inc. 2015 Figure 13: Solution1: Use Common set point control to balance output from fans Target pressure: 50 Pa 50 Pa Pr

Page 17 of 37 ©Retrotec Inc. 2015 5.2 Multiple Zones, one fan per zone: Testing multiple zones can require one fan on each separate zone. These zo

Page 18 of 37 ©Retrotec Inc. 2015 5.3 Multiple Zones (Leaky), multiple fans per zone Testing multiple zones can require multiple fans on each separa

Page 19 of 37 ©Retrotec Inc. 2015 Problem 3B: Imbalanced flow can also be caused by individual set points as shown in Figure 17. When more than one

Page 2 of 37 ©Retrotec Inc. 2015 Copyright © 2013-2015 Retrotec Inc., All rights reserved. This document contains materials protected under Internatio

Page 20 of 37 ©Retrotec Inc. 2015 Solution to 3A and 3B: Individual set point control between zones (“Individual Control” turned On), and Common set

Page 21 of 37 ©Retrotec Inc. 2015 6. Control Cable configurations that work best The difference between the multi-fan configurations is how you connec

Page 22 of 37 ©Retrotec Inc. 2015 6.1 Connecting 3300 fan Drives (Pre-2012) 3300 fan Drives were manufactured before February 2012. They have 1 Spe

Page 23 of 37 ©Retrotec Inc. 2015 Figure 22: Connections for Common set point control, 3300 fan drives (Pre-2012)(Common set point) or refer to sect

Page 24 of 37 ©Retrotec Inc. 2015 Figure 23: Connections for Individual set point control, 3300 fan drives (Pre-2012) (Individual set point)

Page 25 of 37 ©Retrotec Inc. 2015 6.2 Connecting 3350 fan drives (2012 and later) 3350 fan drives were manufactured after February 2012 featured the

Page 26 of 37 ©Retrotec Inc. 2015 Figure 25: Connections for Common set point control, 3350 fan drives (2012 and later) with DM-2 gauges (Common

Page 27 of 37 ©Retrotec Inc. 2015 Figure 26: Connections for Common set point control, 3350 fan drives (2012 and later) with DM-2 gauges, using the

Page 28 of 37 ©Retrotec Inc. 2015 Figure 27: Connections for Individual set point control, 3350 fan drives (2012 and later) with DM-2 gauges(Indi

Page 29 of 37 ©Retrotec Inc. 2015 Figure 28: Connections with mix of fan 3300 and 3350 drives on DM-2 gauges must use an FN280 splitter to preven

Page 3 of 37 ©Retrotec Inc. 2015 4.2 Automatic Data Collection Using FanTestic ... 13 4.2.1.

Page 30 of 37 ©Retrotec Inc. 2015 Figure 29. Connections for Common set point control, 3350 fan drives (2012 and later) with DM32 gauges (Common set

Page 31 of 37 ©Retrotec Inc. 2015 Figure 30. Connections for Individual set point control, 3350 fan drives (2012 and later) with DM32 gauges(Indivi

Page 32 of 37 ©Retrotec Inc. 2015 7. Exterior pressure pickup locations Various standards have different recommended locations for pressure pickups,

Page 33 of 37 ©Retrotec Inc. 2015 8. Speed Control Splitter to use Verify you have a compatible Speed Control Splitter to prevent device failures. P

Page 34 of 37 ©Retrotec Inc. 2015 Speed Control Splitter Compatibility Retrotec Speed Control Splitter FN242/FN248 with yellow Ethernet connectors th

Page 35 of 37 ©Retrotec Inc. 2015 Appendix – Airtightness Requirements Table 4: Large Building airtightness requirements based on a 4 story building

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Page 4 of 37 ©Retrotec Inc. 2015 1. When do you need more than one fan? Multiple fans are required for testing an enclosure when the maximum flow gene

Page 5 of 37 ©Retrotec Inc. 2015 1.2 Calculate number of fans needed based on leakage requirement Simply knowing the volume of the building is not en

Page 6 of 37 ©Retrotec Inc. 2015 comply, it is generally safer to calculate conservatively (assuming a higher permeability or leakage) to ensure you h

Page 7 of 37 ©Retrotec Inc. 2015 1.4 Use Retrotec’s ‘Number of Fan Calculator’ spreadsheet, for Enclosure Integrity Tests Enclosure Integrity Tests f

Page 8 of 37 ©Retrotec Inc. 2015 2. Large Building Leakage tests There are two basic types of tests: Total Zone Leakage and Zone-to-Zone Leakage. Tota

Page 9 of 37 ©Retrotec Inc. 2015 2.2 Zone-to-Zone Leakage Test Zone-to-Zone Leakage tests are the only way to measure the leakage through a particul