This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death.
This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage.
In case of improper installation
The manufacturer shall in no way be responsible for improper installation or maintenance service, including failure to
follow the instructions in this document.
SPECIAL PRECAUTIONS
•Duringinstallation,connectbeforetherefrigerantsystemandthenthewiringone;proceedinthereverseorderwhen
removing the units.
ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A QUALIFIED, EXPERIENCED
ELECTRICIANS SHOULD ATTEMPT TO WIRE THIS SYSTEM.
•Donotsupplypowertotheunituntilallwiringandtubingarecompletedorreconnectedandchecked,toensurethe
grounding.
•Highlydangerouselectricalvoltagesareusedinthissystem.Carefullyrefertothewiringdiagramandtheseinstructions
when wiring.
Improper connections and inadequate grounding can cause accidental injury and death.
•Groundtheunitfollowinglocalelectricalcodes.
•TheYellow/Greenwirecannotbeusedforanyconnectiondifferentfromthegroundconnection.
•Connectallwiringtightly.Loosewiringmaycauseoverheatingatconnectionpointsandapossiblefirehazard.
•Donotusemulti-corecablewhenwiringthepowersupplyandcontrollines.Useseparatecablesforeachtypeof
line.
When connecting refrigerant tubing
•Keepalltubingrunsasshortaspossible,accordingly to the allowable distances from the outdoor unit (see manual).
•Usetheflaremethodforconnectingtubing.
•Applyrefrigerantlubricanttothematchingsurfacesoftheflareanduniontubesbeforeconnectingthem;screwby
hand and then tighten the nut with a torque wrench for a leak-free connection.
•Checkcarefullyforleaksbeforestartingthetestrun.
When servicing
•TurnthepowerOFFatthemainpowerboardbeforeopeningtheunittocheckorrepairelectricalpartsandwiring.
•Cleanupthesiteafterthework,rememberingtocheckthatnometalscrapsorbitsofwiringhavebeenleftinside
the unit being serviced.
•Ventilatetheroomduringtheinstallationortestingtherefrigerationsystem;makesurethat,aftertheinstallation,no
gas leaks are present, because this could produce toxic gas and dangerous if in contact with flames or heat-sources.
WARNING
CAUTION
WARNING When wiring
IMPORTANT!
Please read before installation
This system meets strict safety and operating standards.
Fortheinstallerorserviceperson,itisimportanttoinstallorservicethesystemsothatitoperatessafelyandefficiently.
For safe installation and trouble-free operation, you must:
•Carefullyreadthisinstructionbookletbeforebeginning.
•Followeachinstallationorrepairstepexactlyasshown.
•Observealllocal,stateandnationalelectricalcodes.
•Paycloseattentiontoallwarningandcautionnoticesgiveninthismanual.
•Theunitmustbesuppliedwithadedicatedelectricalline.