Mitsubishi HMA100V Technical Manual

For Home Owners
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49
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'10 • HM-T-149
“Extra hot water” can be activated in three different
ways:
1.
Periodic time based extra hot water
Intervalbetweenextrahotwateroperationisselected
in Menu 1.7. Menu 1.8 shows when the next extra hot
water operation is due.
The increased temperature is maintained by the
electric heater for one hour..
2. Schedule time based extra hot water
Thestartandstoptimesforthedayoftheweekwhen
the extra hot water operation is required are set in the
sub menus to Menu 7.4.0.
The increased temperature is maintained by the
electric heater for the selected period.
3.
Temporary extra hot water
ExtrahotwateroperationstartswhenExtrahotwater
button is pressed, and it is kept for 3 hours. The
operation is cancelled when the button is pressed
again during the period.
The increased temperature is maintained by the
electric heater until the period of time has expired.
Maintenance
Indoorunitandoutdoorunitrequireminimalmaintenanceafter
commissioning.
Hydrolution contains many components and is why monitoring
functions are integrated to help you.
Ifsomethingabnormaloccurs,amessageappearsabout
malfunctions in the form of different “alarm” texts in display.
Checking the safety valves in indoor unit
Indoorunithasbeenequippedwithasafetyvalveforthewater
heater as well as a safety valve for the climate system by the
installer.
The climate system’s safety valve
<HMA100V, HMA100VM>
<HMS140V>
MT300
MT500
The climate system’s safety valve (FL2) must be completely
sealed.Checksmustbecarriedoutregularlyasfollows:
■ Openthevalve.
■ Checkthatwaterowsthroughthevalve.Ifthisdoesnot
happen, replace the safety valve.
■ Closethevalveagain.
■ Theheatingsystemmayneedtoberefilledafterchecking
the safety valve, see the section “Filling the heating system”.
Hot water heater safety valve
The water heater’s safety valve sometimes releases a little
water after hot water usage. This is because the cold water,
which enters the heater to replace the hot water, expands when
heated causing the pressure to rise and the safety valve to open.
Alsocheckthewaterheatersafetyvalveregularly.The
appearance and location of the safety valve differs between
different installations. Contact your installer for information.
Maintenance
FL2BP5
BP5
FL2
FL2
BP5

Mitsubishi HMA100V Specifications

General

Brand	Mitsubishi
Model	HMA100V
Category	Heat Pump
Language	English