Daikin FBQ125D_RZQG125L9V [11/52] Installation
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Daikin FBQ125D_RZQG125L9V [11/52] Installation

Daikin FCQHG140F_RZQG140L9V [11/52] Installation
6Installation
Installerreferenceguide
11
RZQG71~140L_V1+Y1+RZQSG100~140L_V1+Y1
Splitsystemairconditioners
4P3855221–2014.08
5.3.3 Refrigerantpipinginsulation
▪ Usepolyethylenefoamasinsulationmaterial:
▪ withaheattransferratebetween0.041and0.052W/mK(0.035
and0.045kcal/mh°C)
▪ withaheatresistanceofatleast120°C
▪ Insulationthickness
Ambient
temperature
Humidity Minimumthickness
≤30°C 75%to80%RH 15mm
>30°C ≥80%RH 20mm
5.4 Preparingelectricalwiring
5.4.1 Aboutpreparingelectricalwiring
INFORMATION
Also read the precautions and requirements in the
"Generalsafetyprecautions"chapter.
INFORMATION
Also read "6.7.5 Specifications of standard wiring
components"onpage22.
WARNING
▪ If the power supply has a missing or wrong Nphase,
equipmentmightbreakdown.
▪ Establish proper earthing.Do NOT earth the unit to a
utility pipe, surge absorber, or telephone earth.
Incompleteearthingmaycauseelectricalshock.
▪ Installtherequiredfusesorcircuitbreakers.
▪ Secure the electrical wiring with cable ties so that the
cables do NOT come in contact with sharp edges or
piping,particularlyonthehighpressureside.
▪ Do NOT use taped wires, stranded conductor wires,
extension cords, or connections from a star system.
Theycancauseoverheating,electricalshockorfire.
▪ DoNOTinstallaphaseadvancingcapacitor,because
this unit is equipped with an inverter. A phase
advancing capacitor will reduce performanceand may
causeaccidents.
WARNING
▪ All wiring must be performed by an authorized
electrician and must comply with the applicable
legislation.
▪ Makeelectricalconnectionstothefixedwiring.
▪ All components procured on the site and all electrical
construction must comply with the applicable
legislation.
WARNING
ALWAYSusemulticorecableforpowersupplycables.
6 Installation
6.1 Overview:Installation
This chapter describes what you have to do and know onsite to
installthesystem.
Typicalworkflow
Installationtypicallyconsistsofthefollowingstages:
▪ Mountingtheoutdoorunit.
▪ Mountingtheindoorunits.
▪ Connectingtherefrigerantpiping.
▪ Checkingtherefrigerantpiping.
▪ Chargingrefrigerant.
▪ Connectingtheelectricalwiring.
▪ Finishingtheoutdoorinstallation.
▪ Finishingtheindoorinstallation.
INFORMATION
Forinstallationoftheindoorunit(mountingtheindoorunit,
connecting the refrigerant piping to the indoor unit,
connecting the electrical wiring to the indoor unit …), see
theinstallationmanualoftheindoorunit.
6.2 Openingtheunits
6.2.1 Aboutopeningtheunits
Atcertaintimes,youhavetoopentheunit.Example:
▪ Whenconnectingtherefrigerantpiping
▪ Whenconnectingtheelectricalwiring
▪ Whenmaintainingorservicingtheunit
DANGER:RISKOFELECTROCUTION
DoNOTleavetheunitunattendedwhentheservicecover
isremoved.
6.2.2 Toopentheoutdoorunit
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