Forced Heating MLR003R – 15
7 Forced Heating MLR003R
Forced heating is defined as the state that the actuator assumes when it can no longer maintain normal
operation due to the discharge of its internal energy store (Storage voltage level <2V). Instead, it takes a
protective position in heating mode to avoid possible freeze damage. For this purpose, the actuator
opens the valve to 50% or maintains the current position if it is more than 50%. The unit then deactivates
itself into a state of minimal energy consumption: No radio or motor activities, local inputs are ignored. It
remains in this state until the storage is recharged to a sufficient level by the thermoelectric generator. In
this operating mode, the unit cannot be addressed neither by radio nor locally, and temperature
fluctuations in the room will likely occur. As soon as sufficient charge level is available, the actuator stops
the forced heating and resumes normal operation. Restoring the storage device to full charge requires
full heating operation for several days, which is why this condition should be avoided by taking
appropriate measures in advance (monitoring the ES bit, Slow harvesting).
7.1 Slow Harvesting
Only supported in MLR003RiEU61-07-2.0
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