22
ASSEMBLY AND INSTALLATION
1
Conrm that the main switch is at OFF.
● Usethepowersupplyequippedwithanearthleakagebreaker.Useofpower
supplywithoutsuchabreakercouldresultinreifthereisacurrentleakage.
● Haveavailableasecurelygroundedindoorearthterminal.Withoutproper
grounding, customers could be electrocuted and product operations might not
always be stable.
●
Donotexposepowercablesorearth(ground)wiresonthesurface,(oor,
passage,etc.).Ifexposed,thepowercablesandearth(ground)wiresare
susceptible to damage. Damaged cords and wires can cause an electric shock or
shortcircuit.Whereverwiringhasbeenlaidoutonaoorsurface,useawiring
protectioncover.
● Forsafetyreasons,besuretorstconnectthepowercabletotheproduct.Ifthe
powercableisrstconnectedtothepowerplug,anaccidentsuchasanelectric
shock or short circuit may occur.
● Afterlayingoutthepowercableontheoor,besuretoalwaysprotectit.Ifthe
powercableisleftexposed,itcaneasilybedamaged,resultinginelectricalshock.
If grounding has been established with the ground wire inside the power cable, do not
performgroundingwiththeACunitgroundterminal.Conversely,iftheACunitground
terminal has been used for grounding, do not establish ground with the ground wire in
the power cable. Otherwise there could be faulty or erroneous operations.
The AC unit has Power Switch, Circuit Protector, Earth Terminal and the inlet which connects the power cable.
6-4 CONNECTION OF POWER AND GROUND