Mitsubishi PUZ-A18NHA6 - Refrigerant Leakage Detection Setup; Model-Specific Leak Detection Setup

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Refrigerantleakageisdetectedafteralongtime.
Toenablethisfunction,therefrigerantvolumemustbesaved(initiallearning)afterinstallation.Alwaysoperatethisfunctionin
thefollowingmannersafterinstallation.
•Alwaysperformtestrunbeforeusingthisfunction,andconrmthattheairconditioneroperatesnormally.
•Toaccuratelydetectrefrigerantleaks,setthewindspeedtostrong,andexecutethisoperation.
"Refrigerant leak check" is valid only with models which support the refrigerant leak check function.
F1 F2 F3 F4
Check menu
Cursor
Service menu:
Error history
Refrigerant volume check
Refrigerant leak check
Smooth maintenance
Request code
F1 F2 F3 F4
Refrigerant leak check
Begin:
Start refrigerant leak check
Approx. 20minutes
F1 F2 F3 F4
Refrigerant leak check
Add Add
Check menu:
Page
Cond Cond
OK
OK
OK
NG
–
–
OK
NG
Select"Refrigerantleakcheck"withthe F1 or F2 button,andpressthe
button.
Select"Check"withthe F1
or F2 button,andpressthe button.
1
Select"Service"fromtheMainmenu,andpressthe button.
2
Stablemodewillstart.
Pressthe
button,stablemode(*)willstart.
*Stablemodewilltakeapprox.20minutes.
3
Theoperationdatawillappear.
Thefollowingvalueisthereferencefortherefrigerantvolumecheck.Iftherefrig-
erantisleaking,"NG"willappear.
Therefrigerantvolumecheckreferencevaluecanbechangedwiththefunc-
tionselection.
Default value RP71
–
:80%
–
RP50 : 70%
<Resetting the initial learning data>
●Iftheunithasbeenrelocatedorifrefrigeranthasbeenadditionallycharged,theinitiallearningdatamustberesetandlearn-
ingperformedagain.
Howtoresetthedata:
1.TurnthemainpowerOFF.
2.Attachtheshort-circuitpinfortheemergencyoperationconnector(CN31)ontheoutdoorcontrollerboardtotheONside.
3.TurnONthetestrunswitch(SW4-1)ontheoutdoorcontrollerboard.
4.ThedatawillberesetwhenthemainpoweristurnedON.
5.TurnthemainpowerOFF.
6.TurnOFFthetestrunswitch(SW4-1).
7.Returntheshort-circuitpinfortheemergencyoperationconnector(CN31)totheOFFside.
●Underthefollowingconditions,itmaynotbepossibletocarryoutstableoperationoraccuratelydetectrefrigerantleaks.
•Whentheoutdoorintaketemperatureis40°Corhigher,orwhentheindoorintaketemperatureis23°Corless.
•Whentheindoorfanspeedisnotsettostrong.
11-3.
INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION
11-3-1. PAR-30MAA/PAR-31MAA
OCH577A