77
CAUTION
•refrIgerant r410a In the SyStem muSt Be kept clean, dry, and
tIght.
(a) clean and dry - foreIgn materIalS (IncludIng mIneral oIlS
Such aS SunISo oIl or moISture) Should Be preVented
from gettIng Into the SyStem.
(b) tIght - r410a doeS not contaIn any chlorIne, doeS not
deStroy the ozone layer, and doeS not reduce the earth’S
protectIon agaIn harmful ultraVIolet radIatIon. r410a
can contrIBute to the greenhouSe effect If It IS releaSed.
t
herefore take proper meaSureS to check for the tIght-
neSS of the refrIgerant pIpIng InStallatIon. read the chap-
ter refrIgerant pIpIng and follow the procedureS.
•SInce r410a IS a Blend, the requIred addItIonal refrIger-
ant muSt Be charged In ItS lIquId State. If the refrIgerant IS
charged In a State of gaS, ItS compoSItIon can change and the
SyStem wIll not work properly.
WARNING
•do not ground unItS to water pIpeS, SuctIon lIne, telephone
wIreS, or lIghtnIng rodS aS Incomplete groundIng wIll reSult a
SeVere Shock hazard reSultIng In SeVere Injury or death. ad-
dItIonally, groundIng to gaS pIpeS wIll reSult a gaS leak and
potentIal exploSIon reSultIng In SeVere Injury or death.
•Safely dISpoSe all packIng and tranSportatIon materIalS In ac-
cordance wIth federal/State/local lawS or ordInanceS. pack-
Ing materIalS Such aS naIlS and other metal or wood partS,
IncludIng plaStIc packIng materIalS uSed for tranSportatIon
wIll reSult In InjurIeS or death By SuffocatIon.
•only qualIfIed perSonnel muSt carry out the InStallatIon
work. InStallatIon muSt Be done In accordance wIth thIS
InStallatIon manual. Improper InStallatIon could reSult In
water leakage, electrIc Shock, or fIre.
•uSe only SpecIfIed acceSSorIeS and partS for InStallatIon
work. faIlure to uSe SpecIfIed partS could reSult In water
leakage, electrIc ShockS, fIre, or the unIt fallIng.
•InStall the heat pump on a foundatIon Strong enough that It
can wIthStand the weIght of the unIt. a foundatIon of InSuf-
fIcIent Strength could reSult In the unIt fallIng and cauSIng
InjurIeS.
•take Into account Strong wIndS, typhoonS, or earthquakeS
when InStallIng. Improper InStallatIon could reSult In the unIt
fallIng and cauSIng accIdentS.
•make Sure that a Separate power Supply cIrcuIt IS proVIded
for thIS unIt and that all electrIcal work IS carrIed out
By qualIfIed perSonnel accordIng to local, State and na-
tIonal regulatIonS. an InSuffIcIent power Supply capacIty or
Improper electrIcal conStructIon could reSult In electrIc
ShockS or fIre.
•make Sure that all wIrIng IS Secured, that SpecIfIed wIreS are
uSed, and that no external forceS act on the termInal con-
nectIonS or wIreS. Improper connectIonS or InStallatIon could
reSult In fIre.
•when wIrIng, poSItIon the wIreS So that the SIde plate whIch
coVerS termInal Block of power caBle can Be Securely faS-
tened. Improper poSItIonIng of the SIde plate could reSult In
electrIc ShockS, fIre, or the termInalS oVerheatIng.
•thIS equIpment can Be InStalled wIth a ground-fault cIrcuIt
I
nterrupter (gfcI). although thIS IS a recognIzed meaSure
for addItIonal protectIon, wIth the groundIng SyStem In north
a
merIca, a dedIcated gfcI IS not neceSSary.
•do not change the SettIng of the protectIon deVIceS. If the
preSSure SwItch, thermal SwItch, or other protectIon deVIce
IS Shorted and operated forcIBly, or partS other than thoSe
SpecIfIed By daIkIn are uSed, fIre or exploSIon could reSult.
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