Password Protection - Mitsubishi Electric Ecodan EHST20 serie Para El Instalador

5
System Set Up
External input settings
FromtheservicemenuuseF1andF2buttonstohighlightExternalinputsettings
thenpressCONFIRM.
<Demand control (IN4)>
1. FromtheExternalinputsettingsmenuhighlightDemandcontrol(IN4).
2.
PressCONFIRM.
3. TheDemandcontrolscreenisdisplayed.
4. PressF3buttontoselectHeatsourceOFForBoiler.
5. PressCONFIRM.
Note: The selection of "OFF", whilst a signal is being sent to IN4, forcefully
stops all the heat source operations and the selection of "Boiler" stops
operations of heat pump and electric heater and performs boiler op-
eration.
<Outdoor thermostat (IN5)>
1. FromtheExternalinputsettingsmenuhighlightOutdoorthermostat(IN5).
2. PressCONFIRM.
3. TheOutdoorthermostatscreenisdisplayed.
4. PressF3buttontoselectHeaterorBoiler.
5. PressCONFIRM.
Note: The selection of "Heater", whilst a signal is being sent to IN5, performs
electric-heater-only operation and the selection of "Boiler" performs
boiler operation.

Password protection

Password protection is available to prevent unauthorised access to the service
menubyuntrainedpersons.
1.  F romtheservicemenuuseF1andF2buttonstoscrollthroughlistuntil
ishighlighted.
2. PressCONFIRM.
3.  W henpasswordinputscreenisdisplayedusebuttonsF1andF2tomoveleft
andrightbetweenthefourdigits,F3tolowertheselecteddigitby1,andF4to
increasetheselecteddigitby1.
4. WhenyouhaveinputyourpasswordpressCONFIRM.
5. Thepasswordverifyscreenisdisplayed.
6. ToverifyyournewpasswordpressbuttonF3.
7. Yourpasswordisnowsetandthecompletionscreenisdisplayed.
<Resetting the password>
Ifyouforgetthepasswordyouentered,orhavetoserviceaunitsomebodyelse
installed,youcanresetthepasswordtothefactorydefaultof0000.
1.  F romthemainsettingsmenuscrolldownthefunctionsuntilServiceMenuis
highlighted.
2. PressCONFIRM.
3. Youwillbepromptedtoenterapassword.
4. HolddownbuttonsF3andF4togetherfor3secs
5.  Y ouwillbeaskedifyouwishtocontinueandresetthepasswordtodefaultset-
ting.
6. ToresetpressbuttonF3.
7. Thepasswordisnowresetto0000.
Externalinputsettingsmenuscreen
Demandcontrolscreen
Outdoorthermostatsettingscreen
Passwordinputscreen
Passwordverifyscreen
Completionscreen
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