CRD Dryer
Refrigeration dryers
High Efficiency & Energy Saving
CRD refrigeration dryers
have been designed for the efficient
removal of water from compressed air.
Equipped with the patented SmartSave
energy-saving feature CRD Dryers
continually and precisely modulate their
mode of operation to meet prevailing
operating conditions, resulting
in accurate dew-point monitoring
with corresponding aligned power
consumption.
Furthermore, indirect cost savings,
reducing the “hidden costs” of pressure
drop are maximised by the use of
a patented “all-in-one” aluminium
heat-exchanger-SmartPack. Here the
provision of large open channels and
no-interconnecting pipe-work enables
the free, un-interrupted passage of air
through the dryer, resulting in pressure
drops second to none.
Contact Information: Product Features: Philosophy:
Parker Hannifin Ltd • Suitable for all compressed Parker domnick hunter has been
domnick hunter Industrial division supplying industry with high efficiency
air applications filtration and purification products since
Dukesway, Team Valley Trading Estate
Gateshead, Tyne and Wear • Suitable for all compressor 1963. Our philosophy ‘Designed for Air
England NE11 0PZ types, including variable flow Quality & Energy Efficiency’ ensures
• The most energy efficient products that not only provide the user
Tel: +44 (0)191 402 9000 with clean, high quality compressed
compressed air fridge dryer air, but also with low lifetime costs and
Fax: +44 (0)191 482 6296 • Low pressure drops for reduced CO2 emissions.
Email: dhindsales@parker.com
lower operational costs
www.domnickhunter.com • Cost of ownership reduced
• Significantly contributes to
the indirect reduction of CO2
into the environment
CRD Dryer
The SmartPack exchanger Low Pressure Drops
(patent-pending) is an extremely Every 140mbar of pressure drop
robust, all-in-one adds approx. 1% to the cost
aluminium module with no of electrical power required
connecting pipe-work. It offers by the compressor
one of the lowest pressure drop
performances in it´s class and
in terms of energy saving acts
as an internal “thermal-mass
cold-store,” utilising un-used
refrigeration energy during Maximum dew point performance • a dew point sensor positioned
periods of variable load. is assured by: in the air flow to ensure
• large air channels leading to low optimum control.
air flow velocity • Thermal Shield Insulation (TSI)
• an oversized demister separator - contributing to very low overall
offering optimum condensate power consumption.
separation even at partial
air flows
An integral zero-air loss drain
SmartDrainer is fitted as standard
to CRD0720 and upwards.
A large capacity condensate
drainage chamber is an
integral part of the heat
exchanger. The zero-air-loss
The CRD Dryer features An additional standard feature on drain is synchronised to open
exclusively compliant scroll models from CRD0720 upwards is automatically on sensing
compressors (from CRD0720 SmartControl. the level of condensate present
upwards), offering energy savings This multi-functional display in the drainage chamber.
of up to 20% compared to other provides accurate digital dewpoint This valve closes again before
systems. reading and visual indication of any compressed air can escape.
the coded alarm monitoring In the unlikely event of a fault
Resistant to liquid refrigerant of the dryer. during drain operation,
returns and with 50% less moving self-diagnostic troubleshooting
parts than similar technologies, SmartControl additionally software signals an alarm
these compressors are extremely manages the SmartSave feature and the drain continues to
reliable and very robust. (patent pending), informing the function thereafter in timed
Low vibration levels also serve user when the dryer is operating mode, returning to zero-air-loss
to prolong the refrigeration in energy saving mode. A display operation when the fault has
circuit life. indicates the average percentage been rectified.
savings on energy being achieved.
Maintenance intervals are
periodically displayed whilst
the provision of a status report
(indicating the last eight events)
and hours-run meter simplify
service.
Standard voltage-free contacts,
MODBUS compatible supervisor
(no gateway required) and
an optional RS485 serial card
connection allow remote
monitoring of the dryer.
Technical data
technical data dimensions (mm) weight
Pre Post
Model air flow abs. power air width height depth
filter filter
m3/h m3/min kW connec. A B C (kg)
CRD0455 450 7,5 0,9 1 ½” 703 945 562 83 AO035GBFX AA035GBFX
CRD0570 570 9,5 1,38 1 ½” 703 945 562 83 AO035GBFX AA035GBFX
CRD0720 720 12 1,13 2” 706 1.064 1.046 145 AO040HBFX AA040HBFX
CRD0840 840 14 1,14 2” 706 1.064 1.046 145 AO045HBFX AA045HBFX
CRD1080 1.080 18 1,46 2” 706 1.064 1.046 155 AO045HBFX AA045HBFX
CRD1320 1.320 22 1,68 2 ½” 806 1.316 1.166 230 AO050IBFX AA050IBFX
CRD1560 1.560 26 2,19 2 ½” 806 1.316 1.166 240 AO050IBFX AA050IBFX
CRD1810 1.800 30 2,41 2 ½” 806 1.316 1.166 245 AO055IBFX AA055IBFX
CRD2100 2.100 35 3,06 2 ½” 806 1.316 1.166 250 AO055IBFX AA055IBFX
CRD2760 2.760 46 3,14 DN100 1.007 1.690 1.097 470 AO250ODFX AA250ODFX
CRD3120 3.120 52 3,54 DN100 1.007 1.723 1.097 490 AO250ODFX AA250ODFX
CRD3780 3.780 63 4,64 DN100 1.007 1.722 1.657 580 AO300ODFX AA300ODFX
CRD4500 4.500 75 5,73 DN150 1.007 1.722 1.657 670 AO350PDFX AA350PDFX
CRD5420 5.400 90 7,63 DN150 1.007 1.722 1.657 690 AO350PDFX AA350PDFX
CRD7200 7.200 120 8,92 DN150 1.007 2.048 1.657 830 AO350PDFX AA350PDFX
CRD9000 9.000 150 12,35 DN200 1.007 2.208 2.257 1.100 AO400QDFX AA400QDFX
CRD10800 10.800 180 15,96 DN200 1.007 2.208 2.257 1.190 AO400QDFX AA400QDFX
Performances refer to air-cooled models with air suction of FAD 20°C/1 bar A, and the following operating conditions: air suction 25°C/60% RH, 7 barg
working pressure, pressure dew point in accordance with class 5 of DIN ISO 8573-1, 25°C cooling air temperature, 35°C compressed air inlet temperature.
All indicated data refers to DIN ISO 7183. All models supplied with refrigerant R407C and for operation up to 14 barg. 50Hz models CRD0455-0570 supplied
with 230V/1ph/50Hz power supply, models CRD0720-10800 with 400V/3ph/50Hz. Water-cooled versions available from model 220. CRD0455-2100 models
with BSPP-F connections. The 60Hz version of the CRD Dryer models are available from 7m3/min air flow.
Air flow correction factors for differing working conditions
A) Working pressure barg 3 4 5 6 7 8 9 10 11 12 13 14
correction factors 0,74 0,83 0,9 0,96 1 1,04 1,07 1,08 1,11 1,12 1,14 1,15
B) Air inlet temperature °C 30 35 40 45 50 55 60 65
correction factors 1,23 1 0,84 0,7 0,59 0,5 0,45 0,4
C) Ambient temperature °C 20 25 30 35 40 45 50
correction factors 1,06 1 0,95 0,9 0,83 0,77 0,72
To obtain the actual air flow multiply the nominal air flow by the above correction factors (ie. Air flow x A x B x C). CRD Dryer can operate up to an ambient
temperature of 50°C and inlet temperature of 65°C. The above correction factors are approximate: for a precise selection always refer to the software selec-
tion program or contact your Parker sales company.
CRD0455-0570 CRD0720-1080 CRD1320-2100
CRD2760-7200 CRD9000-10800
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