Blower DoorQuickie Set-Up Guide
RetroTec Blower DoorDuct Tester
DM-2 Meter
Color CodedConnections
Retrotec DM-2 will work with all of these devices
Input B
Ref B
Ref A
Input A
Program your DM2 forBlower Door (or Duct Tester)
Turn Manometer ONPress On/Off button
Press Exit button
Set Up ManometerPress Setup buttonArrow up or down to Device Setup, then press Enter
Enable/disable DevicesHighlight with up down arrows, right arrow clicks yes/noSelect 1000
eliminate duct tester DU 200 for a dedicated blower door meter
Hit EXIT once set up
Scroll and select Mode Set Up press EnterEnable/Disable different tests
Flow cfm @ 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
N = .60 ( located in Setup )
Time = 1 second ( toggle Time Avg button)
Zero = On ( toggle Auto Zero button)
• 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)
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
Retrotec Blower Door TestAssumes DM-2 Set up for Blower Door
Press ONPress Exit (to continue)Pressure and Flow @ 50
Set @ Pressure (to 50 Pascals)Punch Buttons 5 and 0
Press Enter
Press Exit Twice (to Stop Test)
NO for Duct Tester
Yes for Blower Door
Makes your meter much easier to use
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
• Press @Pressure to get meter to convert and display CFM @ 50
(toggles between the @ and actual flows)For a 2-Point Test, turn the @ 50 off, then set speed to 25 to get the 25 and 50 values for the 2 Point Test
Change Volume
Press Mode until volume is displayed
Press Enter volume AreaClears 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
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 PressureBlower Door: Set Room Pressure to @50 Pa
Press EnterThe fan will respond automatically Be prepared!
Retrotec Blower DoorPlease confirm contents:
Large Case
Fan + Plateso Plate Ao Plate Bo Plate C-8
Fabric Door Panel + Fan Cover Power Cord Tubing: Red, Green, Blue (and extras) Tube Fittings Static Pressure Tap
Door Panel Frame
Retrotec Blower DoorPlease 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
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
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