Belimo CRA24 Series Product Information Download

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Belimo weltweit: www.belimo.com

Belimo Europa
BELIMO Automation AG

Brunnenbachstrasse 1

CH-8340 Hinwil

Tel. +41 43 843 61 11

Fax. +41 43 843 62 68

[email protected]

www.belimo.ch

Summary of Contents for CRA24 Series

Page 1: ...bject to changes 1 24 Product information CRA24 Controller for apartments CRA24 B3 P Room controller with three outputs Supply air device Exhaust air device Heating valve CRA24 B1P 3 step switch with...

Page 2: ...temperature 12 Reset MAX COMF 13 Override functions 13 External temperature sensor ai1 14 Analogue outputs 15 CRA24 B1P Technical data sheet 17 Technical data 17 Safety notes 17 Product features 17 El...

Page 3: ...Damper actuators VAV Compact OEM product i e VAV controller can be supplied only by the manufacturer of VAV units LMV D3 MP NMV D3 MP R K TRD24 R TR24 R LR24A LM24A MF NM24A MF LM24A MP NM24A MP Acces...

Page 4: ...oom temperature control range as required see the separate documentation of the CR24 range Override kitchen The kitchen hood fan or even the chimney extractor system sucks air from the rooms This lead...

Page 5: ...is to be ensured Together with the downstream VAV units the air volumes can be adapted individually to the needs of the user The push button on the controller front can be used to enable the COMF Nom...

Page 6: ...CRA24 6 24 CRA24 en gb 2013 05 15 Subject to changes www belimo com CRA24...

Page 7: ...rotection class III Safety extra low voltage Degree of protection IP30 EN 60529 Mode of operation Type 1 EN60730 1 Software class A EN 60730 1 EMC CE according to 2004 108 EC Ambient conditions Operat...

Page 8: ...ls below 14 C the room protection function is activated External temperature sensor An external temperature sensor can be connected to the analogue input ai1 e g in the exhaust air duct for calculatin...

Page 9: ...Control sequence simulation The connected actuators as well as the control sequences can be simulated independent of the room temperature using the rotary knob for the setpoint adjustment ZTH GEN PC...

Page 10: ...otary knob CRA24 B3P hidden 30 70 air 3 K temperature 4 inputs Override kitchen Override bathroom Energy hold off EHO External temperature sensor Type NTC 5 k operating range 10 45 C 3 outputs 2 10 V...

Page 11: ...DIP switch 2 OFF Operating mode COMF Operating mode MIN Operating mode MAX The air volume can be set in the range of 30 70 of the operating volume current range min max programmed on the VAV controll...

Page 12: ...ates to the selected setpoint The connected VAV controllers are set to the maximum air volume max selected on the controller The heating valve regulates to the selected setpoint Reset MAX COMF with DI...

Page 13: ...on Component Air volume Room temperature Supply air ao1 100 max 100 max Extract air ao2 100 max 100 max Heating valve ao3 OPEN OPEN Priority 2 Kitchen di2 Chimney extractor system In order to minimise...

Page 14: ...mperature monitoring 1 2 3 4 5 6 ON OFF The room temperature can be monitored to a maximum value of 28 C This function must be enabled via DIP switch 5 ON Component Air volume Room temperature Supply...

Page 15: ...7 8 3 4 12 CRA24 B3 ai di1 di2 di3 ao1 ao2 ao3 U51 U52 AC 24 V T 1 2 3 5 Y U T 1 2 9 10 11 6 7 8 3 4 12 CRA24 B3 ai di1 di2 di3 ao1 ao2 ao3 U51 U52 AC 24 V T 1 2 3 5 Y U T Heating valve connection 1...

Page 16: ...CRA24 16 24 CRA24 en gb 2013 05 15 Subject to changes www belimo com CRA24...

Page 17: ...upply air exhaust air device VAV unit or damper actuator Safety notes The controller is not allowed to be used outside the specified field of application especially not in aircraft or in any other air...

Page 18: ...lation The air volume is regulated to the maximum value that is set at the VAV controller Advantages Maximum air exchange e g during a party or fondue evening Connecting terminals measuring points Mea...

Page 19: ...ith damper actuator instead of VAV controllers Use of damper actuators is usually possible but it must still be taken into account that this application cannot detect and regulate pressure changes in...

Page 20: ...CRA24 20 24 CRA24 en gb 2013 05 15 Subject to changes www belimo com CRA24...

Page 21: ...been removed and must be remounted proceed as follows a Insert the rotary knob approximately half way and turn it clockwise as far as the end stop b Remove the rotary knob and align it so that the ca...

Page 22: ...ng and connect the cables see page 21 2 Configure the DIP switches on the printed circuit board according to the required application 3 Assemble the printed circuit board on the baseplate of the housi...

Page 23: ...ence simulation CRA24 B3 P In simulation mode the connected actuators can be operated regardless of the room temperature The air volume min and max in the air systems and the maximum heating capacity...

Page 24: ...sortment from a single source Examinded Quality Short delivery time Comprehensive support Belimo weltweit www belimo com Belimo Europa BELIMO Automation AG Brunnenbachstrasse 1 CH 8340 Hinwil Tel 41 4...

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