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