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1 FKD003
Field module for installation in refrigeration units for cold locations
1.1
Front view
Fig. 1: Front view
1.2
Features
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Operation of electronic expansion valves, pulsed via ATV230 (valve controller 230V~/=)
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Control of one evaporator per module
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Integrated temperature display
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Tool-free front installation
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Fixed input/output assignment for sensors, control inputs and relays
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Emergency program in case of CAN bus errors
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External power supply via TR9-9-4
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Secure connection via pre-assembled accessories (ZCB)
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Front panel with sealing frame for increased splash protection
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Connection to master module via Wurm CAN field bus (F-BUS)
FKD003_V2.2_PI_2024-03_EN
Field module for installation in refrigeration units for cold locations
Subject to technical changes
FKD003
1
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Summary of Contents for WURM FKD003
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Page 1: Fkd003
Emergency program in case of CAN bus errors • External power supply via TR9-9-4 • Secure connection via pre-assembled accessories (ZCB) • Front panel with sealing frame for increased splash protection • Connection to master module via Wurm CAN field bus (F-BUS) FKD003_V2.2_PI_2024-03_EN Subject to technical changes... -
Page 2: Safety Instructions
Wurm GmbH & Co. KG Elektronische Systeme. Keep these instructions ready to hand for quick reference and pass them on with the device if the product is sold. -
Page 3: Table Of Contents
FKD003 ........ -
Page 4: Installation / Connections
All connections are designed as plugs for pre-assembled cable. Fig. 4: Connections for pre-assembled cables The following cables, CAN bus adapters and terminating resistors are available for the FKD003. Cables Application ZCB-C/TR-0.6... -
Page 5: Display Elements And Control Elements
FKD003 Field module for installation in refrigeration units for cold locations Display elements and control elements Fig. 5: Display elements and control elements Parameter change approved Advanced level Value/parameter number Defrost; cooling; fan Down key Confirm key Up key Device operation The setting menu is divided into 2 distinct function areas, the standard level and the advanced level. -
Page 6: Set Module Number
FKD003 Field module for installation in refrigeration units for cold locations When changing the parameters, it is not necessary to re-enable access to make further value adjust- ments. Actual values are simply displayed. They cannot be adjusted even if the LED "Parameter change ap- proved"... -
Page 7: Parameter
FKD003 Field module for installation in refrigeration units for cold locations Parameter Standard level: actual value Fac- Parameter Min. Max. Description tory Control actual value Current actual value of temperature control Advanced level: actual value and setpoint Fac- Parameter Min. -
Page 8: Error Messages And Emergency Programs
FKD003 Field module for installation in refrigeration units for cold locations Error messages and emergency programs In case of a fault, the display flashes with the fault code. Monitoring function and emergency pro- Display Cause grams Address conflict on the CAN bus The set module number is already assigned.
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