FCQ24TAVJU User Manual

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• This equipment can be installed with a Ground-Fault

Circuit Interrupter (GFCI). Although this is a recog-

nized measure for additional protection, with the

grounding system in North America, a dedicated GFCI

is not necessary.

• When installing or relocating the system, keep the

refrigerant circuit free from substances other than the

speciedrefrigerant(R410A)suchasair.Anypres-

ence of air or other foreign substance in the refriger-

ant circuit can cause an abnormal pressure rise or

rupture, resulting in injury.

• Do not change the setting of the protection devices. If

the pressure switch, thermal switch, or other protec-

tion device is shorted and operated forcibly, or parts

otherthanthosespeciedbyDaikinareused,reor

explosion may occur.

CAUTION

• Donottouchtheswitchwithwetngers.Touchinga

switchwithwetngerscancauseelectricshock.

• Do not allow children to play on or around the unit to

prevent injury.

• Do not touch the refrigerant pipes during and imme-

diately after operation as the refrigerant pipes may be

hot or cold, depending on the condition of the refriger-

antowingthroughtherefrigerantpiping,compres-

sor, and other refrigerant cycle parts. Your hands may

suffer burns or frostbite if you touch the refrigerant

pipes. To avoid injury, give the pipes time to return

to normal temperature or, if you must touch them, be

sure to wear proper gloves.

• Heatexchangernsaresharpenoughtocut.Toavoid

injury,weargloveorcoverthenswhenworking

around them.

• Install drain piping to proper drainage. Improper drain

piping may result in water leakage and property dam-

age.

• Insulate piping to prevent condensation.

• Be careful when transporting the product.

• Do not turn off the power supply immediately after

stopping operation. Always wait for at least 5 minutes

before turning off the power supply. Otherwise, water

leakage may occur.

• Do not use a charging cylinder. Using a charging cylin-

der may cause the refrigerant to deteriorate.

• RefrigerantR410Ainthesystemmustbekeptclean,

dry, and tight.

(a) Clean and Dry -- Foreign materials (including min-

eral 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. Therefore take proper mea-

sures to check for the tightness of the refrigerant

piping installation. Read the chapter REFRIGER-

ANT PIPING WORK and follow the procedures.

• SinceR410Aisablend,therequiredadditionalrefrig-

erant must be charged in its liquid state. If the refriger-

ant is charged in a gaseous state, its composition can

change and the system will not work properly.

• TheindoorunitisforR410A.Seethecatalogforin-

door models that can be connected. Normal operation

is not possible when connected to other units.

• Handheld remote controller transmitting distance can

be shorter than expected in rooms with electronic

uorescentlamps(inverterorrapidstarttypes).

Installtheindoorunitfarawayfromuorescentlamps

as much as possible.

• Indoor units are for indoor installation only. Outdoor

units can be installed either outdoors or indoors.

• Do not install the air conditioner in the following loca-

tions:

(a) Where a mineral oil mist or oil spray or vapor is

produced, for example, in a kitchen.

Plastic parts may deteriorate and fall off or result

in water leakage.

(b) Where corrosive gas, such as sulfurous acid gas,

is produced.

Corroding copper pipes or soldered parts may

result in refrigerant leakage.

Electromagnetic waves may disturb the operation

of the control system and cause the unit to mal-

function.

(d) Whereammablegasmayleak,wherethereis

carbonber,orignitabledustsuspensioninthe

air,orwherevolatileammablessuchasthinner

or gasoline are handled. Operating the unit in

suchconditionscancauseare.

NOTE

• Install the power supply and control wires for the

indoorandoutdoorunitsatleast3.5feet(1.0m)away

from televisions or radios to prevent image interfer-

ence or noise. Depending on the radio waves, a dis-

tanceof3.5feet(1.0m)maynotbesufcienttoelimi-

nate the noise.

• Dismantling the unit, treatment of the refrigerant, oil

and additional parts must be done in accordance with

the relevant local, state, and national regulations.

• Do not use the following tools that are used with con-

ventional refrigerants: gauge manifold, charge hose,

gasleakdetector,reverseowcheckvalve,refriger-

ant charge base, vacuum gauge, or refrigerant recov-

ery equipment.

• If the conventional refrigerant and refrigerator oil are

mixedinR410A,therefrigerantmaydeteriorate.

• This air conditioner is an appliance that should not be

accessible to the general public.

• Asdesignpressureis478psi(3.3MPa),thewallthick-

nessofeld-installedpipesshouldbeselectedin

accordance with the relevant local, state, and national

regulations.

01_EN_3P161684-9U.indd 2 8/8/2018 15:26:46

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User Manual - Page 3