CRWC/CRWN

CRWC/CRWN
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CRWC/CRWN

Product catalog summary
Specifications
The CRW water source heat pump range includes five models using R407C refrigerant, designed for both heating and cooling. The CRWC model has a vertical cabinet, while the CRWN model is vertically concealed. Both models are designed for quiet operation and can be installed with or without a painted casing, suitable for wall or floor mounting. They feature a microprocessor control system for automatic operation.

Structure and Components
The units are constructed from Aluzink metal for enhanced durability and corrosion resistance. Key components include a hermetic rotary compressor, a direct expansion finned air exchanger, and a copper tube-in-tube water exchanger. The fan is a dual intake centrifugal type, and the refrigerant circuit includes a liquid receiver and a 4-way reversing valve.

Control Features
The STORM electronic board manages operations and safety devices, supporting thermodynamic cooling and heating. The RCL remote control offers user-friendly features such as mode selection, temperature display, and fan speed adjustment. The system supports master/slave control for up to 10 units and includes safety functions like anti-freeze and high-temperature protection.

Technical Data
Specifications for models 200 to 400 include cooling and heating capacities, compressor power input, and air flow rates. The units operate on a standard voltage of 230/1/50 and have specific dimensions and weights.

Sound Levels
Sound levels are provided for different fan speeds, measured at a distance of 1 meter in free field conditions.

Operating Limits
Maximum and minimum water inlet temperatures, air inlet temperatures, and ambient relative humidity are specified for optimal operation.

Accessories
Available accessories include painted feet for floor standing, air outlet ducts, water circuit connection hoses, and a µBMS mini-supervision station for centralized control of multiple units.
Cooling and Heating Performance
Performance data for cooling and heating capacities at standard speed (S) is detailed, including entering air temperature (Ta), dry bulb (DB), wet bulb (WB), cooling capacity (kWf), sensible cooling capacity (kWs), and compressor power input (kWe). The data accounts for deducted fan power consumption and variable water flow conditions.

Cooling Performance
Cooling performance is detailed for different unit sizes and entering air temperatures, showing cooling capacity and compressor power input across various leaving water temperatures.

Heating Performance
Heating performance data is similarly detailed, showing heating capacity and compressor power input under various conditions.

Dimensions
Dimensions for CRWn and CRWC units, with and without grilles, and for supply air ducts are provided. Specific dimensions are given for sizes 350 and 400, as well as for sizes 200 to 300.

Notes
The document notes that products are subject to change without prior notice as part of an ongoing improvement program. Contact information for AIRWELL France SAS is included.
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Catalog excerpts

CRWC/CRWN-1

Engineering Data Manual CRWC/CRWN Water Source Heat Pumps CRWC (Vertical cabinet) CRWN (Vertical concealed) Models 200 to 400 2.0 to 3.7 kW AN AIRWELL GROUP COMPANY 2.4 to 3.7 kW

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CRWC/CRWN-2

Specifications CRWC vertical cabinet model CRWN vertical concealed model General The CRW water source heat pump product range is composed of five R407C very quiet models for heating and cooling. The pleasant casing (for apparent installations) made of Aluzink and painted in cream colour (RAL 9002) allows an easy integration in various type of environments, and thanks to the great simplicity of disassembling, to reach internal components. The unit can be wall mounted thanks to the supplied specific fixing profile or feet mounted thanks to the optional specific painted kit. The unit is available...

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CRWC/CRWN-3

Specifications (continued) Structure Condensate tray Structure entirely made from "aluzink" metal sheet that guarantees excellent mechanical characteristics and high corrosion strength over time. The ventilating section is completely lined with anti-condensate and soundproofing material. Stainless steel AISI 304 condensate collection tray with anti-condensate Compressor Hermetic rotary compressor with gas compression in the crankcase, direct suction, no oil heater. It is mounted on anti-vibration rubber pads. insulation, welded, fitted with drain pipe. Electrical panel The electrical panel, including...

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CRWC/CRWN-4

Control Features STORM electronic board RCL user remote control All CRW water source heat pumps are, in their standard version, equipped with a STORM electronic board which manages their operation and their safety devices. STORM electronic board Master/slaves control : the standard version of the STORM electronic board enables operation in master/slaves regulation mode for up to 10 water source heat pumps using a single RCL user remote control. This configuration enables the installer to save on the purchase and wiring of equipment such as auxiliary relays and multi-wire cables between the various...

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CRWC/CRWN-5

Control Features (continued) Variable sequential start-up function : when the system is first energised, or after a power cut, or after opening and closing the "CLK" contact, a random time delay of 0 to 30 seconds is introduced by the electronic board to prevent the water source heat pumps from all starting up simultaneously, thus avoiding a power surge. Motorized valve : The STORM electronic board has a 230 volt output for an (optional) motorized valve controlled by the operation of the compressor, in order to enable the flow-rate of the hydraulic pump(s) to be regulated according to the manometric...

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CRWC/CRWN-7

Technical Data Sizes 200 250 300 350 400 cooling Total cooling capacity (1) kW 2.0 2.4 3.0 3.3 3.7 Sensible capacity (2) kW 1.8 2.2 2.8 2.8 3.2 Compressor power input (2) kW 0.5 0.7 0.8 1.0 1.2 Total power input (2) kW 0.6 0.8 0.9 1.1 1.3 Heating capacity (3) kW 2.4 2.5 3.0 3.2 3.7 Compressor power input (4) kW 0.5 0.6 0.8 0.9 1.0 Total power input (4) kW 0.6 0.7 0.9 1.0 1.1 1 1 1 1 1 kg 0.38 0.46 0.43 0.78 0.54 m2 0.15 0.15 0.15 0.19 0.19 2 2 2 3 3 mm 2.1 2.1 2.1 2.1 2.1 Air flow l/s 180 180 180 220 220 Installed power per fan kW 0.10 0.10 0.10 0.14 0.14 l/s 0.064 0.064 0.075 0.114 0.114 kPa...

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CRWC/CRWN-12

Dimensions of Options - Feet With or Without Grille 1097 ( 1237 ) 186 152 978 ( 1118 ) 172 130 759 ( 900 ) (XX) Sizes 350 and 400 Without grille for unit without cabinet With grille for unit with cabinet Page 12

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CRWC/CRWN-13

Dimensions of Accessories - Supply Air Duct Supply air duct 688 (828) 98 111 111 698 (838) (XX) Sizes 350 and 400 66 Supply air duct with flexible connector and grille 200 / 250 113 For sizes 350 and 400 147 For sizes 200 to 300 1127 Page 13

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CRWC/CRWN-16

As part of our ongoing product improvement programme, our products are subject to change without prior notice. Non contractual photos. AN AIRWELL GROUP COMPANY Ref. : EDM CRW-A.1GB/11.08 - Supersedes : None www.airwell.fr [email protected] AIRWELL France SAS 1bis, Avenue du 8 mai 1945 Saint Quentin en Yvelines 78284 GUYANCOURT France Tel. +33 (0) 01 39 44 78 00 Fax +33 (0) 01 39 44 65 17

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.