GEA CAIRfricostar - Aspectenvironmental.com

GEA CAIRfricostar
Control and regulation
functions:
Dehumidification Unit with Air Mixing and Heat Pump Function
Type CWC
– 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
– Automatic regulation depending on conditions of fresh air and swimming pool air
– Control sequence with energy recovery, heater and bypass damper
– 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 NE 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
Technical data
Unit series CWC…S..
Dehumidification
capacity drop
Heating capacity Pres-
sure
Type Unit dimensions Air volume flow
Motor rated power/current
Current
consumption
CWC_S
Total width
Total height
Total length
Minimum
Maximum
Rated (with dehumidification)
Rated (with ventilation)
according to VDI 2089,
at nominal air capacity 1)
[mm] [m3/h] [kg/h] [Pa] [kW/A] [A]
015 760 1480 1640 750 2000 1500 1000 9.5 2.8 16.0 300 0.6/1.4 0.6/1.4 1.3/2.5 5.3
037 760 1800 2760 1500 3600 2500 1667 16 4.8 23.0 300 3.0/6.1 2.2/4.6 2.3/4.5 15.2
Tab. 1: Technical data CAIRfricostar CWC_S
1) Swimming pool air condition 30 °C/54 %r.h.; Outdoor air condition 5 °C/85 %r.h.
2) Inlet/outlet temperature 70 °C/50 °C; maximum heating capacity; 2 rows
3) plus controls/regulation/pumps etc.
(All data are approximate values and summarize most important features. Subject to modifications. Exact data are available in the current Lplus
design software
PR-2008-0327-GB • Subject to modifications • Status 05/2009 53
Heat recovery system
Reheater 2)
Ext. fresh/supply air;
exhaust/return air; each
Supply air fan, high speed,
at rated volume flow
Exhaust air fan, high speed,
at rated volume flow
Compressor, without
pool water condenser
Unit total 3)
Air mixing dehumidifier CWC