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11 ■English

Trial Operation and Testing

1. Trial operation and testing

1-1Measurethesupplyvoltageandmakesurethatitfallsinthespeciedrange.

1-2Trialoperationshouldbecarriedoutineithercoolingorheatingmode.

•Incoolingmode,selectthelowestprogrammabletemperature;inheatingmode,selectthehighestprogrammable

temperature.

1)Trialoperationmaybedisabledineithermodedependingontheroomtemperature.

2)Aftertrialoperationiscomplete,setthetemperaturetoanormallevel(26°Cto28°Cincoolingmode,20°Cto24°Cin

heatingmode).

3)Forprotection,thesystemdisablesrestartoperationfor3minutesafteritisturnedoff.

1-3Carryoutthetestoperationinaccordancewiththeoperationmanualtoensurethatallfunctionsandparts,

suchaslouvermovement,areworkingproperly.

•Theairconditionerrequiresasmallamountofpowerinitsstandbymode.Ifthesystemisnottobeusedforsome

timeafterinstallation,shutoffthecircuitbreakertoeliminateunnecessarypowerconsumption.

•Ifthecircuitbreakertripstoshutoffthepowertotheairconditioner,thesystemwillrestoretheoriginaloperation

modewhenthecircuitbreakerisopenedagain.

2. Test items

Testitems Symptom Check

Indoorandoutdoorunitsareinstalledproperlyonsolidbases. Fall,vibration,noise

Norefrigerantgasleaks.

Incompletecooling/heating

function

Refrigerantgasandliquidpipesandindoordrainhoseextensionare

thermallyinsulated.

Waterleakage

Draininglineisproperlyinstalled. Waterleakage

Systemisproperlyearthed. Electricalleakage

Thespeciedwiresareusedforinter-unitwiring. Inoperativeorburndamage

Indoororoutdoorunit’sairinletoroutlethasclearpathofair.

Incompletecooling/heating

function

Stopvalvesareopened.

Incompletecooling/heating

function

Indoorunitproperlyreceivesremotecontrolcommands. Inoperative

01_EN_3P297037-2D.indd 11 11/1/2012 11:04:44 AM

Daikin RXS20K3V1B Installation Manual

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