Carel E2V RB Series Скачать руководство пользователя страница 1

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Содержание E2V RB Series

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Страница 2: ...Guide to the EEV system User manual LEGGI E CONSERVA QUESTE ISTRUZIONI READ AND SAVE THESE INSTRUCTIONS...

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Страница 4: ...User manual...

Страница 5: ...used or stored in environments that comply with the temperature and humidity limits specified in the manual Do not attempt to open the device in any way other than described in the manual Do not drop...

Страница 6: ...probe 11 4 2 Evaporation pressure transducer 12 5 Electrical connections 13 5 1 Connecting the valve to the driver 13 5 2 Probe and power supply connections 14 5 3 Battery module connection for closi...

Страница 7: ...Code 030220811 rel 1 0 26 04 2007 6...

Страница 8: ...ng of the E2 V valves the table below shows the dimensions of the various models A mm in ch B mm inch C mm inch D mm inch E mm inch F mm inch E2V S0 Inox steel 10 10 127 0 5 0 73 7 2 90 54 7 2 15 48 5...

Страница 9: ...n 2 3 Flow of refrigerant and spatial orientation of the valve The recommended direction of connection Figure 2 c sees the inlet on the side of the valve nonetheless the CAREL E2 V valves are bi direc...

Страница 10: ...s and or magnetic fields take extreme care to ensure no impurities enter the refrigerant circuit do not install or use the valve if there is deformation or damage to the visible parts outer cap and co...

Страница 11: ...ere is no device that alters the pressure creating a pressure drop in the section that separates the two probes in particular the liquid gas exchanger that is often installed downstream of the evapora...

Страница 12: ...and at 4 30 or 7 30 for pipes with a diameter greater than or equal to 22 mm All precautions must be taken to maximise the thermal coupling between the pipe and probe spreading conductive paste on th...

Страница 13: ...for below zero showcases or cold rooms where ice frequently forms on the pipe and may damage the socket 4 2 Evaporation pressure transducer The pressure transducer must be installed near the temperatu...

Страница 14: ...will signal a probe fault alarm 5 Electrical connections 5 1 Connecting the valve to the driver The following operations are required for the connection of the valve to the driver A Completely insert...

Страница 15: ...module connection for closing the valve The EVBAT00 00 battery modules are electronic devices that guarantee temporary power supply to the EVD200 300 400 drivers and the built in driver on the mpxPRO...

Страница 16: ...Code 030220215 rel 1 4 25 04 2007 15 Fig 5 g Fig 5 h Fig 5 j installation...

Страница 17: ...200 EVD0000300 EVD0000400 430 EVD0000410 440 EVD0000420 450 Software user interface pCO controller via pLAN PC with PlantVisor PC with EVD4_UI pCO or C via tLAN PC with EVD4_UI pCO via pLAN PC with EV...

Страница 18: ...Software via terminal Range of network addresses 1 to 200 1 to 200 1 to 200 Control as positioner NO NO NO Battery module NO NO EVBAT00300 Tab 6 b It is obvious that these controllers do not require a...

Страница 19: ...Integral action I defined by parameter Ti integration time sec The integral action is related to time and makes the valve move in proportion to how far the superheat temperature is away from the set...

Страница 20: ...is defined depending on the compressor and the application The use of the protectors is recommended however this is at the user s discretion 8 3 Recommended parameters Below are the most suitable val...

Страница 21: ...d showcases cold rooms with subcriticalCO2 Condenser on R404a for subcritical CO2 2 SHset Superheat set point C 13 7 K prop PID proportional gain 20 15 Ti PID integration time sec 400 150 PID Td PID d...

Страница 22: ...ystem SHset Superheat set point C 6 6 K prop PID proportional gain 15 20 Ti PID integration time sec 150 100 PID Td PID derivative time sec 5 15 LowSH LowSH prot threshold C 2 2 LowSH Ti LowSH prot in...

Страница 23: ...calibrating a traditional thermostatic valve A low set point ensures better efficiency of the evaporator a lower air or water temperature and the temperature control set point is reached more easily...

Страница 24: ...oid creating further disturbance Derivative time from 0 to 10 sec Increasing the derivative time Td improves the reactivity of the valve in particular in perturbed systems reducing the amplitude of sw...

Страница 25: ...d 36 ohms Otherwise replace the stator Finally check the electrical connections of the cable to the driver see paragraph 5 1 Valve stuck open Check if the superheating is always low 2 C with the valve...

Страница 26: ...ities The Valve opening at start up parameter is set too low Check the calculation in reference to the ratio between the rated cooling capacity of the evaporator and the capacity of the valve if neces...

Страница 27: ...cal connections and the operation of the relay Insufficient refrigerant Check that there are no bubbles of air in the liquid indicator upstream of the expansion valve Check that the subcooling is suit...

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Страница 29: ...CAREL S p A Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 http www carel com e mail carel carel com Agency Cod 030220811 Rel 1 0 26 04 07...