MATRIX Control Panel OP71 Safety
PR-2009-0021-GB • Subject to modifications • R5-04/2016 9
For all kinds of work:
• Observe all assembly instructions for the MATRIX control panel OP71.
• Fluctuations and imbalances in the supply voltage may not exceed the tolerance
limits specified in the technical data, otherwise functional failures and limit states
cannot be excluded.
3.3 Proper use
The MATRIX OP71 control panel is specifically designed for controlling air treatment
units manufactured by DencoHappel.
The MATRIX control panel OP71 is used for:
– assigning setpoints for one cluster with up to 16 unit groups
– assigning switching times
– to assign setpoints for room temperature
– to assign setpoints for supply air temperature
– selection of fan speed
– to assign operating mode (e.g. normal, economy mode)
– to assign controller operating mode (changing between heating and cooling)
– to set mixed-air or recirculating-air mode
The MATRIX control panels OP71 are delivered in two protection types that protect the
unit against outside effects:
Protection IP20
residential area
– In protection type IP20 according to DIN EN 60529 for residential areas.May only
be used indoors; in this case - ensure that the unit is protected against dust and
other substances.
Protection IP54
industrial area
– In protection type IP54 according to DIN EN 60529 for industrial areas.The casing
is dustproof and protected against splash water.
Proper use also stipulates the observance of the current operation manual as well as
the inspection and maintenance intervals specified by DencoHappel.
Improper use Any use other than that described above is considered improper. The manufacturer/
supplier is not liable for any damages arising from improper use. The user alone bears
the risk.
Personal injury!
The MATRIX control panel OP71 may not be operated:
– in explosion risk areas
– in rooms with conductive dust
– in rooms with strong electromagnetic fields
– in rooms with aggressive atmosphere that attacks plastics, for instance.
... in protection type IP20 it may not be operated:
– in humid rooms or
– in rooms with dust-laden air
... in protection type IP54 it may not be operated:
– in wet areas
– in areas with high dust content
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