Daikin AZQS100B8V1B - Performing Test Run; Test Run Error Codes; Hand-over to the User

8Handovertotheuser
Installerreferenceguide
21
AZQS100~140B8V1B+AZQS100~140B7Y1B
Splitsystemairconditioners
4P3855291–2014.08
ThereareNOlooseconnectionsor damaged electrical
componentsintheswitchbox.
TheinsulationresistanceofthecompressorisOK.
There are NO damaged components or squeezed
pipesontheinsideoftheindoorandoutdoorunits.
ThereareNOrefrigerantleaks.
The correct pipe size is installed and the pipes are
properlyinsulated.
Thestopvalves(gasandliquid)ontheoutdoorunitare
fullyopen.
7.4 Toperformatestrun
NOTICE
Donotinterruptthetestrun.
INFORMATION
In case you have to redo the test run, see the service
manual.
1 Performintroductorysteps.
# Action
1 Opentheliquidstopvalve(A)andgasstopvalve(B)
byremovingthestemcapandturning
counterclockwisewithahexwrenchuntilitstops.
A B
2 Closetheservicecovertopreventelectricshocks.
3 TurnONpowerforatleast6hoursbeforestarting
operationtoprotectthecompressor.
4 Ontheuserinterface,settheunittocoolingoperation
mode.
2 Ontheuserinterface,turnONtheunit.
Result: The test run starts automatically. During the test run,
the H2P test LED is ON. When the test run is done, the LED
turnsOFF.
7.5 Errorcodeswhenperforminga
testrun
Iftheinstallationoftheoutdoorunit has NOT been done correctly,
thefollowingerrorcodesmaybedisplayedontheuserinterface:
Errorcode Possiblecause
Nothingdisplayed
(thecurrentlyset
temperatureisnot
displayed)
▪ The wiring is disconnected or there is a
wiring error (between power supply and
outdoor unit, between outdoor unit and
indoor units, between indoor unit and
userinterface).
▪ The fuse on the outdoor unit PCB has
blownout.
E3,E4orL8 ▪ Thestopvalvesareclosed.
▪ Theairinletorairoutletisblocked.
Errorcode Possiblecause
E7 Thereisamissingphaseincaseofthree
phasepowersupplyunits.
Note:Operationwillbeimpossible.Turn
OFFthepower,recheckthewiring,and
switchtwoofthethreeelectricalwires.
L4 Theairinletorairoutletisblocked.
U0 Thestopvalvesareclosed.
U2 ▪ Thereisavoltageimbalance.
▪ There is a missing phase in case of
threephase power supply units. Note:
Operation will be impossible. Turn OFF
thepower,recheckthewiring,andswitch
twoofthethreeelectricalwires.
U4orUF Theinterunitbranchwiringisnotcorrect.
UA Theoutdoorandindoorunitare
incompatible.
NOTICE
▪ Thereversedphaseprotectiondetectorofthisproduct
only functions when the product starts up.
Consequently reversed phase detection is not
performedduringnormaloperationoftheproduct.
▪ Thereversed phaseprotectiondetector isdesignedto
stop the product in the event of an abnormality when
theproductisstartedup.
▪ Replace two of the three phases (L1, L2, and L3)
duringreversephaseprotectionabnormality.
8 Handovertotheuser
Oncethetestrunisfinishedandthe unitoperatesproperly,please
makesurethefollowingisclearfortheuser:
▪ Make sure that the user has the printed documentation and ask
him/hertokeepitforfuturereference.Informtheuserthathecan
findthecompletedocumentationontheurlasearlierdescribedin
thismanual.
▪ Explaintheuserhowtoproperlyoperatethesystemandwhathe/
shehastodoincaseofproblems.
▪ Showtheuserwhathe/shehastodoinrelationtomaintainingthe
unit.
9 Maintenanceandservice
NOTICE
Maintenanceshouldpreferablybecarriedoutyearlybyan
installerorserviceagent.
9.1 Overview:Maintenanceand
service
Thischaptercontainsinformationabout:
▪ Theyearlymaintenanceoftheoutdoorunit