1. Blower Door
Quickie Set-Up Guide

2. RetroTec Blower Door Duct Tester DM-2 Meter

5. Color Coded
Connections

6. Retrotec DM-2 will work with all of these devices

7. Input B
Ref B
Ref A
Input A

8. Program your DM2 for Blower Door (or Duct Tester)
Turn Manometer ON
Press On/Off button
Press Exit button
Set Up Manometer
Press Setup button
Arrow up or down to Device Setup, then press Enter
Enable/disable Devices
Highlight with up down arrows, right arrow clicks yes/no
Select 1000
eliminate duct tester DU 200 for a dedicated blower door meter
Hit EXIT once set up
Scroll and select Mode Set Up press Enter
Enable/Disable different tests
Flow 50 Pa should be active: to change scroll to test pressure then press Enter. Change to desired pressure, then press Enter again.
For Duct Tester change to 25 pa
Exit, Exit to get to the main screen

9. N = .60 ( located in Setup )
Time = 1 second ( toggle Time Avg button)
Zero = On ( toggle Auto Zero button)

10. Meter always wants to go back to default screen, always just press Exit to return to previous screen
You can change the Full Screen Timeout duration by pressing Setup and scroll down to Full Screen Timeout (15 seconds is a good start)

11. Check Devices Enabled Toggle Device to see what is enabled
Should display only the devices you want to use
For Blower Door Retrotec 1000
Leave on screen, press Range/Config
Scrolls through various Plates
Make sure the setting matches actual equipment configuration
Leave at this configuration, don’t need to press Enter
Hint: to start your tests with a good guess at the correct Plate use the following flow ranges for Model 1000 Blower Door:
Open = 5,600 cfm
A = 4,000 cfm
B = 3,000 cfm

12. Retrotec Blower Door Test Assumes DM-2 Set up for Blower Door Press ON Press Exit (to continue) Pressure and 50 Pressure (to 50 Pascals) Punch Buttons 5 and 0 Press Enter Press Exit Twice (to Stop Test)

13. Makes your meter much easier to use
NO for Duct Tester
Yes for Blower Door

15. Toggle through Mode again to look at fields:
Press Mode
Shows two channels A&B
Toggle through Mode again to look at fields:
Channels A & B
Pressure / Flow
Air Changes/Hour + volume ft3
to get meter to convert and display 50
(toggles between and actual flows)
For a 2-Point Test, turn 50 off, then set speed to 25 to get the 25 and 50 values for the 2 Point Test

17. Change Volume Press Mode until volume is displayed
Press Enter volume Area
Clears the current volume
Enter new volume with number keys
For air changes per hour use Ft3
(ELA would use ft2, enable ELA with Mode settings)
Press Enter to save your input

20. Automatic Run Recommended
Once equipment is set up and meter settings are correct, it is recommended to run the fan speed through manometer
Press Set Pressure
Blower Door: Set Room Pressure Pa
Press Enter
The fan will respond automatically
Be prepared!

24. Retrotec Blower Door Please confirm contents:
Large Case
Fan + Plates
Plate A
Plate B
Plate C-8
Fabric Door Panel + Fan Cover
Power Cord
Tubing: Red, Green, Blue (and extras)
Tube Fittings
Static Pressure Tap
Door Panel Frame

25. Retrotec Blower Door Please confirm contents:
Meter Case
DM-2 Meter
Power Supply/Charger
“Umbilical” Cord
8 – 3” black plugs for C-8 plate
USB Cable
Useful Forms + Handouts
Manual

26. On-Site Equipment List
Smoke Tube
TEC Exhaust Flow Meter
Pressure Pan
Foam Blocks
Flashlight / Headlight
Cordless Drill + Bits + Extra Battery
Screw Drivers
Vise Grips/Wrench
“Duct” Tape
Leatherman/Knife + Cardboard
Ladder / Stool
Calculator + Camera
Booties + Tyvek Suit
Trash Bags + Paper Towels