ROOM2: INDR_T 0.6-0.7 °C above d50 never applied -> indoor sensor alarm
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Thermia Diplomat G3, ThermIQ-ROOM2, sending INDR_T from a Shelly sensor via MQTT set (about every 5-30 min).
Out of 35 sets since 15 Oct, all 4 with INDR_T – d50 = +0.6/+0.7 (23.6/23.7 with d50 = 23) were echoed by ROOM2 (INDR_T in /data), but never applied in the pump (r01/r02 unchanged). Exactly ~4.5 min later the pump raises the indoor sensor alarm (r14 bit 4) and falls back to 20.0 °C. All 31 other sets (from -2.4 to +0.4 and from +0.8 to +1.7 relative to d50) were applied within ~30 s.
Only a ROOM2 power cycle clears the alarm (it then starts at 20.5 as documented); a new set does not. The old Thermia Online module is disconnected from EXT.
1) Is this a known limitation of the room unit protocol (values just above the setpoint)?
2) What does the MQTT command “reset” do: reboot or configuration reset?
3) Is there a safe way to restart ROOM2 remotely?Thanks!
The indoor unit does not have any reporting in reference to d50, it will always transmit a new value and not a delta value.
That said, the fact that you get indoor sensor alarm means that communication btw ThermIQ and the heatpump is lost. Can You see if ThermIQ reboots (announce message in mqtt or uptime)?
1) Not seen this before
2) reset will do a full restart of ThermIQ, reseting ThermIQ target indoor temperature and EVU status. No other settings should change
3) Yes, sending reset
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