Retrotec DucTester 200 series with DM32 Manual de usuario descargar pdf (Pagina 2)

Make sure DucTester 240 is showing on the

Home screen with “Mid” Range.

If not, tap the fan picture, then

Tap , tap DucTester 240, thenthen select

the range that you have installed.

Tap on [Channel B] to change the type of result

or units. Select based on “Get the results you

need” on page 4.

Tap [Settings] then [Time averaging] and

select 5 seconds.

Tap [Settings] then .

Make sure the [Default @ Pressure] is 25 Pa.

Make sure “n” value is set to 0.60 for Ducts.

Tap to return to the Home screen.

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.

□ Tap on gauge and select

range to match fan,

whenever a Range Ring is changed.

Prepare the gauge

Mid

Low

Open

Remove Range Rings for

leakier ducts, add Rings

for tighter ducts.

Next, prepare the ducts, house and fan following Steps

1 through 3.

1 2 3 4 5 6 7 8

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Retrotec DucTester 200 series with DM32 Manual de usuario Pagina 2

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