Readjusting The Default Settings; Heating System 2; Vacation Set Back; Comfort Setting With Room Sensor - Mitsubishi HMA100V User Manual

Readjusting the default settings

If the room temperature does not reach the target, readjustment
may be necessary.
Cold weather conditions
■ When the room temperature is too low, the "Heating curve"
value is increased in menu 2.1.2 by one increment.
■ When the room temperature is too high, the "Heating
curve" value is decreased in menu 2.1.2 by one increment.
Warm weather conditions
■ If the room temperature is low, increase the "Heating curve
offset" setting by one step clockwise.
■ If the room temperature is high, reduce the "Heating curve
offset" setting by one step anti-clockwise.

Heating system 2

If the heating system has two different type of emitter like
radiator and under floor heating, it is possible to set two
different calculated supply temperature. System 1 for higher
supply temperature can be set in menu 2.1.0, and system 2 for
lower supply temperature can be set in menu 3.0.

Vacation set back

When you are away from home for a long time, it is possible to
set the target supply water temperature for heating lower than
usual to save energy consumption. Also, it is possible to cancel
hot water operation during the period.
For details, see menu 7.5.0 Vacation set back.

Comfort setting with room sensor

If MH-RG10 is installed, operation mode is chosen not only by
outdoor temperature but also by room temperature.
Upper limit of the outdoor temperature to operate in Heating
mode can be set in menu 8.2.3 Stop temp Heating.
Lower limit of the outdoor temperature to operate in Cooling
mode can be set in menu 8.2.4 Start temp Cooling.
Target room temperature can be adjusted by turning the knob
on MH-RG10, and it is displayed in menu 6.3.
For details, see instruction manual for MH-RG10. The below
figure shows an example of mode transition.
Hot water production
Target
room temp
(6.3)
Heating
Stop temp
Heating (8.2.3)
Mode transition (in case AutoC is chosen)
Knob
Comfort setting heating
Start temp
Cooling (8.2.4)
Outdoor temperature
MH-RG10
Cooling
11