CAREL E3V E4V
CAREL E3V & E4V Expansion Valve
CAREL E3V & E4V
Used on chillers, heat pumps and CCU units, where the EEV solution is now the standard. Modulation of refrigerant flow guaruntees a wide operating range, due to the combination of the fixed opening and the moving element with a travel of 15mm driven by a the stepper motor.
The CAREL E3V and E4V series electronic expansion valves cover a range of cooling capacities from 1kW to 250kW.
The E3V and E4V have been carefully designed down to the smallest detail to guaruntee high reliability, and ensure correct operation with fluid flow in both directions. This simplifies the refrigerant circuit for reverse-cycle operation and reduces installation costs.
E4V is made from modular components that are assembled during installation; this solution simplifies maintenance and he inspection of the individual components. The sight glass can be used to check the movement of the moving element and the flow of refrigerant inside the circuit.
The innovative features of the E4V include modularity and the optional sight glass.
Technical data:
CAREL E3V & E4V Technical Specifications
| Compatibility | R22, R134a, R407C, R410A, R404A, R507A, R417A |
|---|---|
| Mximum operating pressure (MOP) | up to 45 bars |
| Maximum operating pressure differential (MOPD) | 35 bars for E3V / 30 bars for E4V85 / 24 bars for E4V95 |
| PED | Group 2, article 3, par |
| Refrigerant temperature | -35T65 deg C for E3V / 20T65 deg C for E4V |
| Room temperature | -10T50 deg C for E3V / -10T65 for E4V |
| Stator - Double pole low voltage | (2 phases- bipolar expansons) |
| Phase current | 450 mA |
| Control frequency | 50Hz; 150 Hz in emergency mode |
| Pahse resistance (25 deg C) | 36 Ohm +/_ 10% (25 deg C/77 deg F) |
| Index of protection | IP65 with E2VCON***** connector / IP67 with E2VCAB**** |
| Step angle | 7.5 deg |
| Linear progress / step | 0.02mm for E3V / 0.03 mm for E4V |
| Connections | 4 wires (AWG 18/22) |
| Completing closing steps | 500 |
We supply the full range of CAREL Electronic Expansion Valves, and can help you with the sizing of the vaalves according to the refrigeration or air conditioning project you are working on.
We use software that CAREL have developed for the specification, and we will also advise you on the type of transducers, leads cables and connectors for your requirement.
You will most likely need the EVD Evolution Driver to go with the valve.
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