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Duct Testing Quickie Set-Up Guide. RetroTec Blower Door Duct Tester DM-2 Meter. Color Coded Connections . Retrotec DM-2 will work with all of these devices. Input B Ref B Ref A Input A. Program your DM2 for Duct Tester (or Blower Door). Turn Manometer ON Press On/Off button
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Duct Testing • Quickie Set-Up Guide
Color Coded Connections
Input B Ref B Ref A Input A
Program your DM2 forDuct Tester (or Blower Door) Turn Manometer ON PressOn/Off button PressExitbutton 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 Du 200 and/or 1000 can eliminate duct tester DU 200 for a dedicated blower door meter can eliminate blower door 1000 for a dedicated duct test meter HitEXITonce set up Scroll and select Mode Set Up press Enter Enable/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 Enteragain. 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 Avgbutton) 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 Setupand 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 Duct Test • Press Setup • Arrow up/down to Device Setup • Press Enter • Highlight Du 200 and click YES with right arrow • Press Exit • Select Mode Set UP • Press Enter • Set to 25 Pascals • Press Range/Config to select the plate install on fan • Hint: to start your tests with a good guess at the correct Plate • use the “Mid” plate
Duct Testing Enable the flow @ 25pa for Total Leakage duct test Turn Offthe @25 when doing Leakage to Exterior Click@Pressure button to turn this function on and off
Retrotec Duct TestSet up for Duct TestPress ONPress Exit (to continue)Pressure and Flow @ 25Set Pressure (to 25 Pascals)Punch Buttons 2 and 5Press EnterPress Exit Twice (to Stop Test)
Makes your meter much easier to use Yes for Duct Tester NOfor Blower Door
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 @25 for Ducts • Reminder: Use actual 25 Pascal for Leakage to Exterior Test (Do Not use the @25 setting)
Automatic Run Recommended Once equipment is set up and meter settings are correct, it is recommended to run the fan speed through manometer PressSet Pressure Duct Tester: Set to @25 Pa Press Enter The fan will respond automatically Be prepared!
Retrotec Duct TesterPlease confirm contents: Meter Case DM-2 Meter Power Supply/Charger “Umbilical” Cord Useful Forms + Handouts Manual
Retrotec Duct TesterPlease confirm contents: Large Case Fan + Duct Plates Low Mid Power Cord Tubing:Red, Green, Blue (and extras) Static Pressure Tap Bungee Cords Tube Fittings Duct Mask / Masking Tape
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