Elstat Ems 55 Advanced User Manual New Jun 2026

If you are replacing an older EMS-55 with the new EMS-55 Advanced, you use the specific wiring harness (P/N 020204C135). The transformers required are 127V (P/N 020104T516) or 220V (P/N 020104T517).

While in test mode ( Pir ), wave your hand in front of the sensor; the displayed number should increase if the PIR is functioning correctly. ems-55-controller.pdf

The EMS 55 is a compact, microprocessor-controlled digital thermometer with dual probe inputs and relay outputs. According to the , the hardware layout consists of: elstat ems 55 advanced user manual new

The EMS 55 is more than a thermometer; it is a sentinel for your critical assets. And with the edition, you now have the map to master it fully.

Press and hold the (snowflake) button until the display reads PAS . Press SET three times ( Press UP twice ( Press DOWN once ( Press DEFROST (water drops) four times ( If you are replacing an older EMS-55 with

Displays 8.8.8. to ensure the LED screen is working.

To access the programming menu, press and hold the button for five seconds until the display reads PS (Password). Use the arrow keys to enter your advanced engineering password (factory default is typically 22 or 55 ) and press Set again. Critical Parameter Reference Table Parameter Name Description Default Range Recommended Setting SP Target product temperature during Active Mode. 2°C to 10°C 3.5°C (Beverages) DIF Differential ems-55-controller

: Press SET and DEFROST simultaneously until PIr appears. Press DEFROST to activate, then wave your hand in front of the controller's infrared sensor to check for motion recognition. Memory Clearing: Executing a Half Reset

Accurate temperature sensing is paramount. The manual provides specific guidance:

| Appendix | Content | |----------|---------| | A | Full Modbus register map (444 registers) – Excel format available online | | B | Wiring diagrams for direct connect, CT, and PT configurations | | C | Example tariff schedule configuration (retail store, school, EV charging) | | D | Factory default values & checksum verification procedure | | E | Quick reference card (pocket guide) for field technicians |

Cabinet temperature has exceeded safe limits for longer than the alarm delay period ( HTD ).