Table of Contents
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Table of Contents
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Summary of Contents for Danfoss EKC 202
- Page 1 Controller for temperature control - EKC 202 Manual...
- Page 2 - Coordinated defrost via data communication Contents Introduction ....................... 2 Functions ......................8 Connections .....................14 Operation ......................5 Menu survey ....................... 6 Data ........................15 Ordering ......................16 Manual RS8DZ602 © Danfoss 08-2010 EKC 202...
- Page 3 Temperature control at start/stop of compressor / solenoid valve Defrost sensor Electrical defrost / gas defrost Control of fan Relay output 4 can be used for an alarm function or for a light function. EKC 202 Manual RS8DZ602 © Danfoss 08-2010...
- Page 4 (the compressor operates for a longer time and pulls the S5 temperature further down). When the temperature passes a set allowed variation the defrost will be started. This function can only be used in 1:1 systems Manual RS8DZ602 © Danfoss 08-2010 EKC 202...
- Page 5 A special moulding technique unites the hard front plastic, the softer buttons and the seal, so that they become an integral part of the front panel. There are no openings that can receive moisture or dirt. EKC 202 Manual RS8DZ602 © Danfoss 08-2010...
- Page 6 Activation of light relay (only if o38=2) Case cleaning. 0=no case cleaning. 1=Fans only. 2=All output Off. Access code 2 (partly access) Save the controllers present settings to the programming key. Select your own number. Manual RS8DZ602 © Danfoss 08-2010 EKC 202...
- Page 7 1 Go through the survey of factory settings. Make any necessary changes in the respective parameters. 2 For network. Set the address in o03 and then transmit it to the gateway/ system unit with setting o04. EKC 202 Manual RS8DZ602 © Danfoss 08-2010...
- Page 8 (LED) will flash on the controller front panel, and the alarm relay will cut in. of the individual alarms can be defined. Setting is carried out in the “Alarm destina- tions” menu. Manual RS8DZ602 © Danfoss 08-2010 EKC 202...
- Page 9 When gas defrosting the compressor relay will be cut in during defrost. Defrost stop temperature Def. Stop Temp The defrost is stopped at a given temperature which is measured with a sensor (the sensor is defined in d10). The temperature value is set. EKC 202 Manual RS8DZ602 © Danfoss 08-2010...
- Page 10 You can stop an ongoing defrost in the same way Here you can start a manual defrost. Hold After Def Shows ON when the controller is operating with coordinated defrost. Defrost State Status on defrost 1= pump down / defrost Manual RS8DZ602 © Danfoss 08-2010 EKC 202...
- Page 11 If the settings in the controller are to be protected with an access code you can set a numerical value between 0 and 100. If not, you can cancel the function with setting 0. (99 will always give you access). EKC 202 Manual RS8DZ602 © Danfoss 08-2010...
- Page 12 2: Condenser sensor with alarm Relay 4 DO4 Config Here you define the application for relay 4: 1: Defrost (EKC 202A) or Light (EKC 202C) 2: Alarm - - - Night Setback 0=Day 1=Night Manual RS8DZ602 © Danfoss 08-2010 EKC 202...
- Page 13 Semihermetic Compressors c02 min. 8 minutes and c01 min. 2 to 5 minutes ( Motor from 5 to 15 KW ) * ) Direct activating of solenoid valves does not require settings different from factory (0) EKC 202 Manual RS8DZ602 © Danfoss 08-2010...
- Page 14 - Long cables at the DI input should be avoided Data communication If data communication is used, it is important that the installation of the data communication cable is performed correctly. See separate literature No. RC8AC.. Data communication Manual RS8DZ602 © Danfoss 08-2010 EKC 202...
- Page 15 * DO1 and DO2 are 16 A relays. DO3 and DO4 are 8 A relays. Max. load must be keept. ** Gold plating ensures make function with small contact loads *** UL-approval based on 30000 couplings EKC 202 Manual RS8DZ602 © Danfoss 08-2010...
- Page 16 Temperature sensors: please refer to lit.no. RK0YG Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.
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