Operating Instructions and Installation Instructions
Day/night thermostat – Instrucons
The secon concerning day/night thermostat applies to the following models:
IB600DN, IB900DN, IB1200DN, IB800L DN, IB1000L DN
IB600DN G, IB1200DN G, IB800L DN G
MB600DN, MB900DN, MB1200DN, MB800L DN, MB1000L DN
PH600DN, PH1000DN, PH600L DN, PH800L DN
PH600DN S, PH1000DN S, PH600L DN S, PH800L DN S
PH600DN G, PH1000DN G, PH600L DN G, PH800L DN G
CAUTION! In the event of a power
cut, the thermostat will return to
the last set temperature
Control panel for day/night thermostat:
1. Display (shows the desired room temperature by default)
2. Control light – night funcon
3. Control light – day funcon
4. Power indicator – Shows whether the heater is using power or not
5. Control buon (+) (Increase temperature)
6. Control buon (–) (Reduce temperature)
7. Night funcon
8. Day funcon
9. Funcon buon
Warning: Before the heater is turned on, it must be aached to a wall. If the heater is not installed correctly or is installed
askew, this may cause the heater to malfuncon or in the worst case, be damaged.
EN 10 millheat.com
Tip! The thermostat can be used as a regular electronic
thermostat (i.e. the heater will maintain a constant
temperature 24 hours a day). Please see the secon on the
electronic thermostat for further informaon
If the temperature sensor is not funconing properly, you will see the symbol below on the display. Please contact
the dealer or importer.










