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9.3 Phased plan for adjustment
If the MX is intended for residential ventilation, use this table. Follow the marked directions from the top down in the column which is applicable.
☞
For further information, see: J.E. StorkAir Ventilation systems Residential Information, ‘Adjustment instructions’ tab sheet.
x
x
x
x
x
x
Set any external regulators back to the correct position.
x
x
x
x
x
Draw up a measuring report.
x
Check the air volumes through the extractor hoods Check the under-
pressure behind the valve furthest from the fan. This must be a
minimum of 50Pa.
x
x
Check the air volumes through the valves and extractor hoods again.
x
Check the underpressure behind the valve furthest from the fan. This
must be a minimum of 50Pa.
x
x
Check the air volumes through the valves again.
x
Open the two position valves and the extractor hoods.
x
x
Open the Extractor hoods.
x
x
x
x
Adjust the required pressure ‘Set point digital [1]’ if necessary. Refer to the
table. The lower the figure, the less inergy used. Also adjust the ‘Set point
digital [0]’ 50% of ‘Set point digital [1].
x
x
Adjust the required percentage ‘Maximum capacity’ if necessary. Refer to the
table. The lower the figure, the less energy used.
x
x
x
x
If the majority of the deviations is minus [or plus], ensure that all the
deviations are minus [or plus]. Also ensure that the most unfavourable
valve is completely open.
x
x
Check the underpressure behind the valve furthest from the fan. This
must ba a minimum of 50PA. Check the underpressure behind the valve
closest to the fan. This must be a maximum of 200Pa. Arrange for extra
resistance in the branch if necessary.
x
x
Check the air volumes through the valves. Start as close as possible to
the place where the pressure is measured.
x
x
Check the air volumes through the valves. Start as close as possible to
the fan.
x
x
x
Install the extractor hoods and set the butterfly valves according to the
calculated settings chart. Close the extractor hoods.
x
Install the correct valves in the correct area. Close the two position valves
x
Install the correct valves in the correct area.
x
x
x
x
Install the valves and set these according to the calculated settings chart.
x
x
x
x
x
x
Make sure there are constructional overflow facilities [min.12cm par ls]
x
x
x
x
x
x
Open all intake openings intended for that purpose.
x
x
x
x
x
x
Close windows and doors.
x
x
x
x
x
x
Set any external regulators to the highest position.
x
x
Also set the calculated maximum pressure.
x
x
x
x
Also set the calculated constant pressure.
x
x
x
x
x
x
Set the MX according to the table under §9.1.
Extraction valves
[STB} and cooker
hood valves
Only STB
valves
Self regulating extraction
valves [STZ] also with 2 posi-
tions and/or extractor hoods
Only STZ valves
without 2 positions
STB valves and
cooker hoods
Only STB
valves
With ZMV
Without ZMV
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