7.3 First test
Display
From here the display is the same in user prompt mode and in expert mode.
Follow the further instructions or adjust the parameters as described in 9 . Expert mode .
manual-LTEST-1082_EN-DE-FR-SE.indd 9
Start screen
Display of device type and firmware version
The device automatically starts in user prompt mode:
• Follow the prompts and select the airtightness class for the test using
the or key .
• Then press the Next key .
• Enter the duct surface area for the test using the or key
Calculated according to DIN EN 14239 or from a CAD system .
(Note: Not the m² calculated according to DIN 18379)
• Then press the Next key .
• Enter the test pressure you want using the or key . (Be careful with
the plus or minus sign)
• Attach the 50 mm air hose depending on the selected pressure (nega-
tive pressure > top of case, positive pressure > front of case) .
• Always attach the pressure measuring tube to "+" .
• Then press the Next key .
The preliminary calculation of the maximum permitted leakage flow rate
appears here .
The suggested adapter and the current adapter are shown .
• If necessary, change the adapter that is "In use" to the
suggested type using the or key .
Check the installed adapter.
• Then press the Next key .
Description
9
2012-03-28 12:32:39