6
Safety conSIderatIonS
Read these Safety considerations for Installation carefully
before installing a heat pump. After completing the installation,
make sure that the unit operates properly during the system
start-up operation.
Instruct the customer on how to operate and maintain the unit.
Inform customers that they should store this Installation
Manual for future reference.
Always use a licensed installer or contractor to install this
product.
Improper installation can result in water or refrigerant leakage,
electrical shock, re, or explosion.
meanIngS of SymBolS
WARNING .......
Indicates imminently or potentially
hazardous situation which, if not
avoided, will result in death or seri-
ous injury.
CAUTION ........
Indicates a potentially hazardous
situation which, if not avoided, may
result in minor or moderate injury. It
may also be used to alert against
unsafe practices.
NOTICE .........
Indicates situations that may result
in equipment or property-damage
accidents only.
While these items will not cover every conceivable situation,
they should serve as a useful guide.
WARNING
to aVoId poSSIBle Injury, exploSIon or death, practIce Safe
handlIng of refrIgerantS.
WARNING
refrIgerantS are heaVIer than aIr. they can “puSh out” the
oxygen In your lungS or In any encloSed Space. to aVoId poS-
SIBle dIffIculty In BreathIng or death:
•neVer purge refrIgerant Into an encloSed room or Space. By
law, all refrIgerantS muSt Be reclaImed.
•If an Indoor leak IS SuSpected, thoroughly VentIlate the area
Before BegInnIng work.
•lIquId refrIgerant can Be Very cold. to aVoId poSSIBle froSt
BIte or BlIndneSS, aVoId contact and wear gloVeS and goggleS.
I
f lIquId refrIgerant doeS contact your SkIn or eyeS, Seek
medIcal help ImmedIately.
•If refrIgerant gaS leakS durIng InStallatIon, VentIlate the
area ImmedIately. refrIgerant gaS wIll reSult In producIng
toxIc gaS If It comeS Into contact wIth fIre. expoSure to thIS
gaS wIll reSult In SeVere Injury or death.
•after completIng the InStallatIon work, check that the re-
frIgerant gaS doeS not leak throughout the SyStem.
•do not InStall unIt In an area where flammaBle materIalS are
preSent due to rISk of exploSIonS that wIll reSult In SerIouS
Injury or death.
•when InStallIng the unIt In a Small room, take meaSureS to
keep the refrIgerant concentratIon from exceedIng allowaBle
Safety lImItS. exceSSIVe refrIgerant leakS, In the eVent of an
accIdent In a cloSed amBIent Space, could reSult In oxygen
defIcIency.
•alwayS follow epa regulatIonS. neVer Burn refrIgerant, aS
p
oISonouS gaS wIll Be produced.
WARNING
to aVoId poSSIBle exploSIon, uSe only returnaBle (not dISpoS-
aBle) SerVIce cylInderS when remoVIng refrIgerant from a
SyStem.
•enSure the cylInder IS free of damage whIch could lead to a
leak or exploSIon.
•enSure the cylInder hydroStatIc teSt date doeS not exceed 5
yearS.
•enSure the cylInder preSSure ratIng meetS or exceedS 400
pSIg.
w
hen In douBt, do not uSe cylInder.
WARNING
to aVoId poSSIBle exploSIon:
•neVer apply flame or Steam to a refrIgerant cylInder. If you
muSt heat a cylInder for faSter chargIng, partIally ImmerSe It
In warm water.
•neVer fIll a cylInder more than 80% full of lIquId refrIger-
ant.
•neVer add anythIng other than r-410a to a returnaBle r-
410a
cylInder. the SerVIce equIpment uSed muSt Be lISted or
certIfIed for the type of refrIgerant uSe.
•Store cylInderS In a cool, dry place. neVer uSe a cylInder aS
a platform or a roller.
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