PUMY-SP112YKMD User Manual

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600 600

33025

370

225 225

1050

2.5.3. Windylocationinstallation

When installing the outdoor unit on a rooftop or other location unprotected from the

wind, situate the air outlet of the unit so that it is not directly exposed to strong winds.

Strongwindenteringtheairoutletmayimpedethenormalairowandamalfunction

may result.

The following shows two examples of precautions against strong winds.

1 Install an optional air guide if the unit is installed in a location where strong winds

from a typhoon, etc. may directly enter the air outlet. (Fig. 2-15)

A Air guide

2 Position the unit so that the air outlet blows perpendicularly to the seasonal wind

direction, if possible. (Fig. 2-16)

B Wind direction

2. Installationlocation

3. Installingtheoutdoorunit

• Besuretoinstalltheunitinasturdy,levelsurfacetopreventrattlingnoisesduring

operation. (Fig. 3-1)

<Foundationspecications>

Foundation bolt M10(3/8″)

Thickness of concrete 120 mm

Length of bolt 70 mm

Weight-bearing capacity 320 kg

• Makesurethatthelengthofthefoundationboltiswithin30mmofthebottomsurface

of the base.

• Securethebaseoftheunitrmlywithfour-M10foundationboltsinsturdylocations.

Installing the outdoor unit

• Donotblockthevent.Iftheventisblocked,operationwillbehinderedandbreak-

down may result.

• Inadditiontotheunitbase,usetheinstallationholesonthebackoftheunittoattach

wires,etc.,ifnecessarytoinstalltheunit.Useself-tappingscrews(ø5× 15 mm or

less) and install on site.

Warning:

• Theunitmustbesecurelyinstalledonastructurethatcansustainitsweight.

Iftheunitismountedonanunstablestructure,itmayfalldownandcause

damageorinjuries.

• Theunitmustbeinstalledaccordingtotheinstructionsinordertominimize

theriskofdamagefromearthquakes,typhoons,orstrongwinds.Anincor-

rectlyinstalledunitmayfalldownandcausedamageorinjuries.

Caution:

• Installunitonarigidstructuretopreventexcessiveoperationsoundorvibra-

tion.

Fig.3-1

4. Installingtherefrigerantpiping

4.1. PrecautionsfordevicesthatuseR410Arefrigerant

• Referto1.5.forprecautionsnotincludedbelowonusingairconditionerswith

R410Arefrigerant.

• Useesteroil,etheroil,alkylbenzeneoil(smallamount)astherefrigeration

oilappliedtothearedsections.

• UseC1220copperphosphorus,forcopperandcopperalloyseamlesspipes,

toconnecttherefrigerantpipes.Userefrigerantpipeswiththethicknesses

speciedinthetabletothebelow.Makesuretheinsidesofthepipesareclean

anddonotcontainanyharmfulcontaminantssuchassulfuriccompounds,

oxidants,debris,ordust.

Warning:

When installing or relocating, or servicing the air conditioner,use only the

speciedrefrigerant(R410A)tochargetherefrigerantlines.Donotmixitwith

anyotherrefrigerantanddonotallowairtoremaininthelines.

Ifairismixedwiththerefrigerant,thenitcanbethecauseofabnormalhigh

pressureintherefrigerantline,andmayresultinanexplosionandotherhazards.

Theuseofanyrefrigerantotherthanthatspeciedforthesystemwillcause

mechanicalfailureorsystemmalfunctionorunitbreakdown.Intheworstcase,

thiscouldleadtoaseriousimpedimenttosecuringproductsafety.

Pipe size (mm) ø6.35 ø9.52 ø12.7 ø15.88

Thickness (mm) 0.8 0.8 0.8 1.0

• Donotusepipesthinnerthanthosespeciedabove.

• ThethicknesseslistedinthetableabovearebasedonJapanesestandards.

Usepipeswithamaximumworkingpressureof4.15MPa[601PSIG]or

higheraccordingtolocalstandards.

AM10(3/8")bolt

B Base

C As long as possible.

(mm)

D Vent

E Set deep in the ground.

Min. 500

Min. 25*

* When installing a single outdoor unit, the clearance is 15 mm or more.

Max. 30

Fig.2-15 Fig.2-16

RG79Y960H01.indb 7 2018/02/09 14:31:04

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User Manual - Page 7