ACG (Discontinued)

ACG Clock thermostat for electrical underfloor heating where optimum comfort temperature and minimum energy consumption are required.

Programmable Thermostats with built-in 15 mA EGFPD

OJ Microline® ADG

An “all-in-one” programmable thermostats for electric underfloor heating control where optimal comfort temperature and minimum energy consumption is required.


*Industrial Design:   
USA - Design Patent No. D633445
Canada - Design Patent No. D130878

  • Simple user interface and thoughtfulinstallation design

  • Pre-programmed for quick set-up

  • Monitored energy consumption

  • Simple operation - no need for manual

  • Multi voltage: 120 - 240 V (incl. 208 V)

  • Output relay: 15 A

  • Large back-lit display for easy reading

  • What is the backup time?


    The program settings are permanent, the clock will be reset after 2 to 4 hours.

  • How to unlock the child lock?


    • From the home screen

    • Press "OK" button twice

    • Press button UP and DOWN simultaneously for 3 sec.

    • Unlock Child Lock (MP4)

  • What does error code "E2" mean?


    Error code "E2" means defective, damaged or not connected floor sensor. Check connections or replace sensor if necessary.

  • What causes the led to be permantly ON?


    Your heat mat or installation between thermostat and heat mat has a fault current to ground. The thermostat has cut off the power for your safety. Please contact your local electrician.

  • How to make the USG switch off when the thermostat does?


    Check the connections between the two units. If the USG is connected incorrectly to the thermostat, the USG won't switch off.

  • Where to connect the ground wire of floor mats?


    The ground wire in the floor mat must be connected directly to the ground wire of the supply.

  • What is the recommended night setback?


    The recommended night setback is max 5°C/41°F



  • Does the adaptive function reset when making a factory reset?


    Yes the adaptive function is reset during a factory reset.



  • Installation – Length of sensor cable


    What is the maximum length of the sensor cable?


    In general, it is recommended that the maximum sensor cable length should be 164 feet/50 meters, the length might be shorter. Read the instructions for the precise maximum length.

  • How can I cure the E2 error message?


    "E2" means defective, damaged or disconnected floor sensor. Sensor resistance should be 10 or 12 kOhm at 25°C (77°F). The onstruction or quick guide holds informatiom for the specific thermostats.

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