Mitsubishi EHST20C-VM2C User Manual

▼
▲
47
<Thermistor adjustment>
Thisfunctionallows adjustmentstobemadetothethermistor readings from
−10to10°Cin0.5°Cintervals.
THW1: Thermistor(Flowwatertemp.)
THW2: Thermistor(Returnwatertemp.)
THW5: Thermistor(DHWtankwatertemp.)
THW6: Thermistor(Zone1owtemp.)(Option)
THW7: Thermistor (Zone1 return temp.)(Option)
THW8: Thermistor(Zone2owtemp.)(Option)
THW9: Thermistor (Zone2 return temp.)(Option)
THWB1: Thermistor(Boilerowtemp.)(Option)
THWB2: Thermistor (Boiler return temp.)(Option)
Auxiliarysettingsmenuscreen
<Auxiliary settings>
Thisfunctionisusedtosettheparametersforanyauxiliarypartsusedinthesystem
Menu subtitle Function/ Description
Economysettingsfor
pump
Water pump stops automatically in certain period of time from
whenoperationisnished.
Delay Timebeforepumpswitchedoff*
1
Electric heater
(Heating)
To select “WITH booster heater (ON)” or “WITHOUT booster
heater(OFF)”inHeatingmode.
Delay The minimum time required for the booster heater to turn ON
fromafterHeatingmodehasstarted.
Electric heater (DHW) Toselect"WITH(ON)"or"WITHOUT(OFF)"boosterheateror
immersion heater individually in DHW mode.
Delay The minimum time required for the booster heater or immersion
heater to turn ON from after DHW mode has started. (This
settingisappliedforbothboosterandimmersionheater.)
Mixing
valve
control *
2
Running Periodfromvalvefullyopen(atahotwatermixingratioof100%)
tovalvefullyclosed(atacoldwatermixingratioof100%)
Interval Interval(min.)tocontroltheMixingvalve.
Flow
sensor *
3
Minimum TheminimumowratetobedetectedatFlowsensor.
Maximum ThemaximumowratetobedetectedatFlowsensor.
*
1
Decreasing"timebeforepumpswitchedoff"mayincreasethedurationofstand-byin
Heating/Coolingmode.
*
2
SettheRunningtimeaccordingtothespecicationsoftheactuatorofeachmixingvalve.
It is recommended to set the interval to 2 minutes that is a default value. With the interval
setlonger,itcouldtakelongertowarmuparoom.
*
3
DonotchangethesettingsinceitissetaccordingtothespecicationofFlowsensor
attached to the cylinder unit.
Economy settings for pump
1.FromtheAuxiliarysettingsmenuhighlightEconomySettingsforwatercirculationpump.
2. Press CONFIRM.
3.Theeconomysettingsforwatercirculationpumpscreenisdisplayed.
4.UsebuttonF1toswitchtheeconomysettingsON/OFF.
5.UsebuttonsF3andF4toadjustthetimethewatercirculationpumpwillrun.(3–60
minutes)
Electric heater (Heating)
1.FromtheAuxiliarysettingsmenuhighlightElectricheater(Heating).
2. Press CONFIRM.
3.TheElectricheater(Heating)screenisdisplayed.
4.PressF1buttontoswitchthefunctionON/OFF.
5.UseF3andF4buttonstoadjustthetimeperiodofheatpumponlyoperation
beforetheboosterheaterwillassistinspaceheating.(5–180minutes)
Electric heater (DHW)
1.FromtheAuxiliarysettingsmenuhighlightElectricheater(DHW).
2. Press CONFIRM.
3. The Electric heater (DHW) screen is displayed.
4.PressF1andF2buttonstoswitchthefunctionON/OFF.(F1:boosterheater,
F2: immersion heater)
5.UseF3andF4buttonstoadjustthetimeperiodofheatpumponlyoperation
beforetheboosterheaterandtheimmersionheater(ifpresent)willassistin
DHWheating.(15–30minutes)
Electricheater(Heating)screen
Electric heater (DHW) screen
Economysettingsforpumpscreen
OCH570C

Mitsubishi EHST20C-VM2C Specifications

General

Brand	Mitsubishi
Model	EHST20C-VM2C
Category	Heat Pump
Language	English