Siemens LMV5 Series - Page 162

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Siemens Building Technologies Basic Documentation LMV51... CC1P7550en
HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003
P
G
= 30 mbar
P
W
= 15 mbar
P
atm
= 1013 mbar
V=3 l
Q
Leck
= 50 l / h
Result: The test time to be set is 4 seconds
P
G
= 30 mbar
P
W
= 15 mbar
P
atm
= 1013 mbar
V=3 l
t
Test
=4 s
Result: The detected leakage rate is 40 l / h
Example 1 (calculation of
test time)
Example 2 (determination
of the detectable leakage
rate)
(30 - 15) mbar • 3 l • 3600 s / h
t
Test
= ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ = 3.2 s
1013 mbar
• 50 l / h
(30 - 15) mbar • 3 l • 3600 s / h
Q
Leck
=
⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ = 40.0 l / h
1013 mbar
• 4 s