EKC 315A
Manual RS8CS302 © Danfoss 07-2005
15
Страница 1: ...REFRIGERATION AND AIR CONDITIONING Controller for control of industrial evaporator EKC 315A Manual...
Страница 2: ...ctions Regulation of superheat Temperature control MOP function ON OFF input for start stop of regulation Input signal that can displace the superheat reference or the temperature reference Alarm if t...
Страница 3: ...valve will operate when refrigeration is required The relay for the alarm function works in such a way thatr the contact is cut in in alarm situations and when the con troller is de energised Modulati...
Страница 4: ...ensor cable r09 Adjust S2 Correction of signal from S3 Compensation possibility through long sensor cable r10 Adjust S3 Start stop of refrigeration With this setting refrigeration can be started and s...
Страница 5: ...is setting determines the valve s opening degree as a function of the change in evaporating pressure An increase of the evaporating pressure will result in a reduced opening degree When there is a dro...
Страница 6: ...with 4 20 mA 4 or 0 mA will not give a displacement 20 mA will displace the reference by the value set in menu r06 o10 AI A type Frequency Set the net frequency o12 50 60 Hz 50 0 60 1 Select signal f...
Страница 7: ...the thermostat or the duration of the last completed cutin u18 Ther RunTime Read the temperature at the S2 sensor u20 S2 temp Read superheat u21 SH Read the control s actual superheat reference u22 S...
Страница 8: ...Min Max Factory setting Normal display Shows the actual superheat valve s opening degree temperature De ne view in O17 K If you wish to see the expansion valve s actual opening degree give the lower b...
Страница 9: ...select ON 2 AKV A output select ON 3 Alarm relay activated cut out o18 o 3 O Working range for pressure transmitter min value o20 1 bar 60 bar 1 0 Working range for pressure transmitter max value o21...
Страница 10: ...084B7086 EKA 173 Data communication module accessories FTT 10 module 084B7092 EKA 175 Data communication module accessories RS 485 modul 084B7093 EKA 174 Data communication module accessories RS 485...
Страница 11: ...on line accumulators Your local Danfoss agent will be pleased to assist with further advice etc Appendix 1 Interaction between internal and external start stop functions and active functions Appendix...
Страница 12: ...be warmer when the valve is completely open If the value is high you can be sure that the valve is completely open but then it will also react slowly when it has to close again Appendix 6 The two typ...
Страница 13: ...lternatively it may be due to the fact that the set regulation parameters are not optimal If the time of oscillation is longer than the integration time Tp Tn Tn is say 240 seconds 1 Increase Tn to 1...
Страница 14: ...m the various menu displays The programme will for exam ple upload all the collected temperature values once a day Measurements are shown at one side and settings at the other You will also be able to...
Страница 15: ...EKC 315A Manual RS8CS302 Danfoss 07 2005 15...
Страница 16: ...s can be estab lished 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 a...
