User manual for Danfoss refrigeration controllers EKC 202A, B, C and EKC 302A, B for supermarket refrigeration units.
This manual covers the operation and setup of Danfoss refrigeration controllers EKC 202A, B, C and EKC 302A, B. It explains how to control defrost cycles, fans, alarms, and lighting. The controllers are designed for refrigerated display cases and rooms in supermarkets. The EKC 202 is for panel mounting, while the EKC 302 is for DIN rail mounting. The manual includes sections on operation, functions, wiring, ordering, and technical data.
The controllers feature digital inputs for door contact alarms, defrost start, and switching between day/night modes. They support quick programming via a programming key and include HACCP factory calibration for higher accuracy. Optional modules can be inserted for additional functionality. Relays control cooling, defrost, fans, alarms, and lights, with different models having 2, 3, or 4 relays. This manual is written in German.
| Mounting Type | EKC 202 for panel mounting, EKC 302 for DIN rail mounting |
|---|---|
| Temperature Sensor | Two temperature sensors, Pt1000-Ohm type |
| Protection Rating | IP 65 on front panel for EKC 202 |
It is used for temperature control in refrigerated display cases and rooms in supermarkets.
It has four relay outputs.
It ensures higher measurement accuracy than standard EN 441-13 without subsequent calibration for Pt1000-Ohm sensors.
Press the lower button for about 4 seconds.