VDH ALFA-45A User Manual Download | Manualshive

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* Dimensions CPU-unit.

* Dimensions SUPPLY-unit.

* Connections drawing 010061w1.

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Summary of Contents for ALFA-45A

Page 1: ...x supply unit is shown how sensors power supply and relay are to be connected The watch alarm relay with C NC contact is to be connected on the CPU unit After connecting the ALFA 45A to the power supp...

Page 2: ...t cycle the defrost can by manually stopped by pushing the UP key and than the SET key while the UP key is hold Start defrost If there is no defrost cycle the defrost can be started manually by pushin...

Page 3: ...ential fan P19 1 Defrost delay after power failure when parameter P26 1 Startup delay after power failure Offset defrost sensor Fan off delay if parameter P22 1 Alarm delay Readout defrost sensor 1 15...

Page 4: ...e of the following parameters is set to 1 the fan can be stopped Parameter 20 1 Fan switch differential active The fan is only active when the defrost temperature is parameter 13 C lower then the meas...

Page 5: ...meter 27 1 After power up the ALFA NET 45A starts with defrost after running thru the defrost delay time of parameter 14 While running down the delay the ALFA NET 45A can cool after this delay the def...

Page 6: ...according sensor 1000 25 C Replace according sensor EE Settings are lost Fatal error settings are lost and display shows EE Solution for EE Reprogram the settings Alarm Function The ALFA NET 45A has a...

Page 7: ...A 45A Supply 230 Vac 50 60Hz Max used power 6 2 VA Fuse No internal fuse present Product sensor SM 811 2m Defrost sensor SM 811 2m Relay Compressor SPST 250V 16A C NO cos phi 1 Relay Defrost SPST 250V...

Page 8: ...8 Dimensions CPU unit Dimensions SUPPLY unit Connections drawing 010061w1...

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