GEA CAIRfricostar - Aspectenvironmental.com

Air mixing dehumidifier CWP
GEA CAIRfricostar
Control and regulation
functions:
Dehumidifier with Air Mixing Function
Type CWP
– Status and fault signals in clear text
– Indication of all status and control parameters
– Stepwise access authorization using code
– Integrated clock timer
– Automatic summer / winter time switch-over, activation of weekly programmes,
holiday and special day programmes
– Log for registration of faults with date and time
– Operating hours counter, total operation and maintenance intervals
– Data logging function for most important parameters, can be downloaded
– Separate controls for supply and exhaust air fan motors
– Air volume adjustment and display in m³/h, including monitoring for units with frequency
converters
– Fan motor monitoring using PTC resistor and motor protection relay
– Filter monitoring
– Regulation of air mixing dampers with selectable minimum fresh air rate and maximum
limitation, automatic control depending on conditions of fresh air and swimming
pool air
– Control sequence with energy recovery, heater, bypass damper and air mixing
damper system
– Exhaust air temperature cascade control with min./max. limitation of supply air temperature
– Cooling with outside air (night cooling)
– Reheater-heat pump consumption control with blockage protection functions
– Continuous humidity control
– Automatic switch-over between active/non-active hours operation
– Continuous inactive idle mode possible
– Different languages can be selected
– Commissioning function for air dampers
– Inputs: external emergency switch off (e.g. fire protection damper or chlorine gas
alarm)
– Motor monitoring for reheater pump can be switched, if required motor protection
by others
– The necessary sensors and actuators are built into the unit or, if necessary, supplied
loose with subsequent installation by others
PR-2008-0327-GB • Subject to modifications • Status 05/2009 41