Midea MT-200R20E20

20
7 OPERATIONS AND PERFORMANCES
Pleasecuto󰀨themanualswitchpowerwhenunitfails.Donotrestartuntilproblemsaresolved.
CAUTION
1)Characteristicsofwaterheating——3minuteprotection
Restart or open manual switch after the unit has been shut down within a short time. Unit will not start immediately until 3
minutes later, because of the self-protect function of the compressor.
2) During operation, if outdoor temperature is higher than normal, the fan motor will runs at low air volume or stop running.
3) About defrosting function perform at heating operation
 -Incaseoffrostingduringheatingoperation,topreventtheheatinge󰀩ciencyfromdecreasing,defrostingoperationwillturn
onautomatically(Approx.2~7minutes).
- In the process of defrosting operation, the unit fan motor will stop running.
4) About protection device
- When protection device operate, though the unit stops, the operating indicator of wire control still will be blinking.
 -Whenprotectiondeviceoperates,nixieindicatorwilldisplaymalfunctioncode(unit).
- Protection device will act when the following circumstances occur:
a) Air inlet or outlet are blocked.
b)Voltageisalittlehigherorlowercomparetothevoltagerange(Exceedingtherangeof-10%~10%of230V)
5) Start the unit after a long period out of service
 Start-uptheunitafteroutofserviceforalongperiod(includesdriveupaunitatthersttime),youwouldseerustmixup
waterinred,owoutfromtap.Suchthatisanormalphenomenon,pleasebecalmlyandkeepdraining,afterforawhilerust
will disappear.
6) About power failure
- In case power failure during the unit working, please stop all operating actions.
 -Atthenextstartupafterpowerfailure,theRUNindicatorofwirecontrollerwillblinkslowlyforseveralsecondsfornotinguser.
- Misoperation occur during unit working.
7) About RCCB
Outdoor unit must use RCCB,pleases install an RCCB between in user power supply and the outdoor unit. In case the unit
cannotactbutnotattributetopowerfailure,pleasechecktheseRCCBswitchesatrst.BeforeoperatetheRCCB,please
ensurethattheuserinstallingswitchisbreako󰀨.