EC3-X33
Universal stand-alone superheat controller
Order note: Confirm the complete nameplate before shipment.
Product Condition
Original New with One Year WarrantyParts Available
In Stock and Same Day ShippingDelivery Mode
Shipping via DHL Fedex or UPS etcUniversal stand-alone superheat controller
EC3-X33 is identified as Universal stand-alone superheat controller for Emerson Climate Technologies Refrigeration Controls.
Controls superheat with compatible EX4–EX8 stepper-motor electronic expansion valves in refrigeration and cooling systems.
All technical values on this page are limited to manufacturer documentation. Confirm the complete nameplate, installed configuration and current project records before ordering or replacement.
| Manufacturer | Emerson Climate Technologies; current official documentation maintained by Copeland |
|---|---|
| Model | EC3-X33 |
| Compatible valves | EX4–EX8 |
| Supply voltage | 24 VAC ±10%, 50/60 Hz |
| Digital input | 24 VAC ±10% or 24 VDC ±10% |
| Maximum power | 25 VA including valve and keypad |
| Setup keypad | ECD-002 |
| Connection cable | ECC-N30 or Cat 5 patch cable with RJ45 |
| Operating temperature | 0 to 60 °C |
| Humidity | 0–80% RH, non-condensing |
| Mounting | DIN rail |
Confirm valve size, refrigerant, pressure-sensor range, ECN-N60 temperature sensor and ECD-002 setup arrangement.
Controls superheat with compatible EX4–EX8 stepper-motor electronic expansion valves in refrigeration and cooling systems.
Retain the exact displayed identity “EC3-X33” together with the manufacturer label, hardware revision and any converter or termination identity. Do not shorten the purchase description when exact replacement is required.
The official value is EX4–EX8. Use it only with the corresponding manufacturer configuration and verify the installed nameplate before design or replacement decisions.
The documented value is 24 VAC ±10%, 50/60 Hz. Compare it with the cabinet, field wiring, mechanical arrangement and approved project documentation rather than relying on physical similarity.
Complete sensor, valve, supply and grounding wiring before energizing; keep signal wiring separated from mains conductors.
Confirm valve size, refrigerant, pressure-sensor range, ECN-N60 temperature sensor and ECD-002 setup arrangement.
Operating temperature is documented as 0 to 60 °C. The product label, enclosure conditions and hazardous-area approvals remain controlling for the installed unit.
Photograph the complete nameplate and inspect the model, suffixes, connectors, mechanical form, condition and supplied accessories. Quarantine any item whose identity differs from the purchase record.
Verify refrigerant and sensor settings, valve direction, pressure and temperature readings, superheat response, alarms and fail-safe closing.
Send the complete model, quantity, destination and nameplate photo. We will verify identification before confirming availability.
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