Retrotec DucTester with DM-2 Manuel d'utilisateur télécharger pdf (Page 2)

Step 1: Prepare ducts and house

□ Seal all supply and return grills/registers, including

any exterior air inlets, with Grill Mask or tape.

□ Open all interior doors leading to rooms containing

a supply or return register, and open an exterior door

or window.

□ Shut off all HVAC (exhaust fans, dryers, A/C, furnaces).

Page 2 of 8

Step 2: Connect to ducts

□ Turn off air-handler

and remove all lters.

□ Tape Flange to main

return or air handler

cabinet using

masking tape.

□ Attach Flex Duct to

Flange.

□ Install Mid-Range Ring to start,

as most systems can be tested

on this Range Conguration.

□ Press [Range Cong] to select

range on gauge to match fan,

whenever Range Ring is changed.

□ Press [Auto Zero] until “On” appears -

to keep the gauge

zeroed and ready

to measure.

□ Press [Time Avg] until “4s” appears.

□ Press [Device] until “Retrotec DU200”

appears.

If desired Device does not appear, see:

QuickGuide DM-2 mark II Digital Gauge,

Add/Remove Devices section

□ Press [Range Cong] until

“Mid” appears.

□ Press [Mode] to cycle through results.

Select based on “Get the results you

need” on page 4.

If you can’t nd the required results, see:

QuickGuide DM-2 mark II Digital Gauge

Prepare the DM-2 gauge

Next, prepare the ducts, house, and fan following

Steps 1 through 3.

Mid

Low

Open

Remove Range Rings for

leakier ducts, add Rings

for tighter ducts.

1 2 3 4 5 6 7 8

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Retrotec DucTester with DM-2 Manuel d'utilisateur Page 2

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