Emerson EC3-X33 Electronic Expansion Valve Overtemperature Controller
Used to control refrigerant vapor superheat when using EX4, EX5, EX6, EX7 and EX8 electronic step expansion valves. CAUTION (replaced by EXD-SH1)
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- Refrigerant vapour superheat control with auto-adaptive control algorithm
- Works with EX4 to EX8 step electronic expansion valves
- Controls superheat, temperature, defrost and fans
- Backup power supply for emergency shutdown and shutdown of the EEV in the event of a power failure
- Analog output for connection to another controller
- Auxiliary digital input
- Alarm relay for reporting faults and abnormal situations
- Allows connection of remote display ECD-002 (not included)
| Power supply | 24 Vac/dc |
| Design (panel size) | DIN |
| Type of regulation | PID |
| Control input | Temperature sensor + analog signal |
| Auxiliary digital input | Yes |
| Output - relay | 1x |
| Analog output | Yes |
| Producer | Emerson |
The Emerson EC3-X33 are refrigerant vapor superheat controllers using the EX4 to EX8 electronic step expansion valve.
| TECHNICAL PARAMETERS | |
|---|---|
| Installation | in the cabinet, on DIN rail |
| Coverage | IP20 |
| Power supply | 24Vac ±10% |
| Power input | depends on the connected EEV, max. 25VA |
| Inputs | 1 x ECN-N60 temperature probe; 1 x pressure sensor 4÷20mA 1 x vstrup for connection of display ECD-002 |
| Digital inputs | 1 x voltage |
| Outputs | 1 x output for EEV max. 0.8A 1 x alarm relay 2A 1 x analogue 4÷20mA |
| Dimensions | 137 x 104 x 63 mm |
DescriptionTechnical parametersDownload
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