Retrotec Blower Door - Manual (Page 3)

Page 3 of 87
©Retrotec Inc. 2015
Copyright © 2012-2015 Retrotec Inc.,
All rights reserved.
This document contains materials protected under International and Federal Copyright Laws. No part of
this book may be reproduced or transmitted in any form or by any means, electronic or mechanical,
including photocopying, recording, or by any information storage and retrieval system without express
written permission from Retrotec Inc.
Retrotec makes no warranties with respect to this documentation and disclaims any implied warranties
of merchantability, quality, or fitness for any particular purpose. The information in this document is
subject to change without notice. Retrotec reserves the right to make revisions to this publication
without obligation to notify any person or entity of any such changes.
DucTester, Infiltrometer and FanTestic are Trademarks of Retrotec Inc. Other trademarks or brand
names mentioned herein are trademarks or registered trademarks of their respective owners.
Table of Contents
Important equipment-related safeguards ................................................................................................ 7
Important occupant safeguards during testing ........................................................................................ 8
1. How the Blower Door System components work .......................................... 9
1.1 How the Calibrated Fan creates flow and Fan Pressure ............................................................ 10
1.2 Range configurations restrict the fan’s air flow ........................................................................ 11
1.3 The Door Panel seals off a doorway and provides a fan mount................................................ 12
1.4 Gauge measures two pressures during the test ........................................................................ 12
1.5 A Fan Speed Controller sets the test pressure .......................................................................... 15
1.5.1. Use Speed Control Knob on the fan .................................................................................. 15
1.5.2. Control fan speed with a DM-2 gauge .............................................................................. 15
1.5.3. Use a Manual Speed Control accessory ............................................................................ 15
1.5.4. Use a Speed Control Splitter to control multiple fans ...................................................... 16
2. Choose a calibrated fan suited to your application ..................................... 20
2.1 Model 1000 for testing homes .................................................................................................. 20
2.2 Models 3300 and 3300SR high flow fans .................................................................................. 20
2.3 Model 200 (DucTester) or 300 fans for tight houses ................................................................ 21
2.4 Model 2350 for multiple fan applications ................................................................................. 23
2.5 Model 2100 fans (no longer available) ...................................................................................... 24
2.6 Model 2200 fan (no longer available) ....................................................................................... 24
3. Choose a Door Panel based on size of door and fans .................................. 26
3.1 Cloth Door Panel with Aluminum Frame ................................................................................... 26
3.1.1. Using the Aluminum Frame .............................................................................................. 27
3.1.2. Available Aluminum Frame Part Replacements ............................................................... 29