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Microchiller 2

Microchiller 2. Information on the display. Information on the display. General features. The principle functions are as follows: · Control of the ambient air temperature · Fan condenser speed control · Serial line connection for supervision

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Microchiller 2

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  1. Microchiller 2

  2. Information on the display

  3. Information on the display

  4. General features The principle functions are as follows: · Control of the ambient air temperature · Fan condenser speed control · Serial line connection for supervision · Programmable automatic restart after re-establishment of power supply · Remote start-up/shut down of the unit

  5. Description and functions of the buttons

  6. Description and functions of the buttons

  7. Description and functions of the buttons

  8. Example (changing parameters)

  9. Alarms descriptions

  10. Alarms descriptions

  11. Alarms descriptions

  12. Menu structure

  13. Parameters list Type: A = Analogic variable I = Integer variable D = Digital variable SymbolsParameter and Description Min Max Default / ModifyM.U.Type STD SE E2P Probe Type B1 Probe Type B2 Probe Type B3 Probe Type B4 Probe Type B5 (expansion) Probe Type B6 (expansion) Probe Type B7 (expansion) Probe Type B8 (expansion) Minimum value voltage input Maximum value voltage input Pressure minimun value Pressure maximum value B1 Probe Calibration B2 Probe Calibration B3 Probe Calibration B4 Probe Calibration B5 Probe Calibration

  14. Parameters list B6 Probe Calibration B7 Probe Calibration B8 Probe Calibration Digital filter Input limiting Measure unit Antifrost alarm set point / Outlet Limit Antifrost alarm differential / low room temp Antifrost alarm bypass time / low room temp during winter switch on Antifrost reheat element Set Antifrost reheat element differential / dirty filters Reheat element probe Antifrost alarm limit set Reheat element set during heating Reheat element differential during heating Antifrost automatic switch on Reheat element 2 set during heating Delta T set for dirty filters Probe selection to see on display B1 read value B2 read value B3 read value B4 read value

  15. Parameters list B5 read value B6 read value B7 read value B8 read value Evaporator temperature Driver 1 Evaporator pressure Driver 1 Superheating driver 1 Superheating driver 2 Valve position driver 1 Evaporator temperature Driver 2 Evaporator pressure Driver 2 Superheating Driver 2 Saturation temperature driver 2 Valve position driver 2 Temperature probe, external exchanger outlet c1 Temperature probe, external exchanger outlet c2 Terminal probe

  16. Parameters list Minimum time switching on Minimum time switching off Delay between 2 switching on of the same Compressor Switching on delay of 2 compressors Switching off delay of 2 compressors Switching on delay Compressor switching on delay after Pump /fan switching on fan switching off delay after compressor switching off Maximum time functioning tandem compressor Hourcounter compressor 1 Hourcounter compressor 2 Hourcounter compressor 3 Hourcounter compressor 4 Functioning hourcounter threeshold Evaporator pump / fan1 hourcounter Condenser pump / fan 2 hourcounter Minimum time between 2 pumps switching on Minimum time pump functioning Antifrost functioning Antifrost mode

  17. Parameters list Fan outlet enable Fans functioning mode Minimum voltage threeshold for triac Maximum voltage threeshold for triac Minimum pressure speed in summer mode Temperature set speed in summer mode Max pressure speed in summer mode Max speed differential in summer mode Fan Switch off pressure Fan switch off differential

  18. Parameters list Unit model Number of ventilating circuits Numbers of evaporators Number of compressor each circuit Outlet fan mode Digital input Summer/Winter Digital input on/off Microchiller 2 net configuration Touchpad block Serial address Output mode (table) Partialisation logic Pump down activation Pump down minimum pressure Pump down maximum pressure Auto tuning activation

  19. Parameters list Flow delay after unit start up Flow delay in normal functioning Low pressure delay after compressor on Partialisation of compressor in high low press Alarms restore Summer Winter logic Low pressure alarm with pressure probes Digital input 1 selection Digital input 2 selection Digital input 6 selection Digital input 7 selection Digital input 10 selection Low pressure alarm selection High temperature alarm set High temp alarm delay after start up High pressure alarm set Low temperature alarm set

  20. Parameters list Low temperature alarm set Summer differential Winter set point Winter differential Compressors rotation Regulation / compressor use Type Dead zone differential Maximum time activation output control Minimum time activation output control Maximum time deactivation output control Minimum time deactivation output control Differential deactivation compressors Summer minimum set Summer maximum set Winter minimum set Winter maximum set

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