Daikin Quaternity H-Series Specifications download pdf (Page 22)

EDUS04-906_b Installation Manual

Room Air Conditioners H-Series 21

• 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 may occur.

• Do not touch the switch with wet fingers. Touching a

switch with wet fingers 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

immediately after operation as the refrigerant pipes

may be hot or cold, depending on the condition of the

refrigerant flowing through the refrigerant piping,

compressor, 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.

• Install drain piping to proper drainage. Improper drain

piping may result in water leakage and property

damage.

• Insulate piping to prevent condensation.

• Be careful when transporting the product.

• Do not turn off the power immediately after stopping

operation. Always wait for at least 5 minutes before

turning off the power. Otherwise, water leakage may

occur.

• Do not use a charging cylinder. Using a charging

cylinder may cause the refrigerant to deteriorate.

• Refrigerant R-410A 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 -- R-410A does not contain any chlorine,

does not destroy the ozone layer, and does not

reduce the earth’s protection again harmful

ultraviolet radiation. R-410A can contribute to the

greenhouse effect if it is released. Therefore take

proper measures to check for the tightness of the

refrigerant piping installation. Read the chapter

Refrigerant Piping and follow the procedures.

• Since R-410A is a blend, the required additional

refrigerant 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.

• The indoor unit is for R-410A. See the catalog for

indoor models that can be connected. Normal

operation is not possible when connected to other

units.

• Remote controller (wireless kit) transmitting distance

can be shorter than expected in rooms with electronic

fluorescent lamps (inverter or rapid start types).

Install the indoor unit far away from fluorescent lamps

as much as possible.

• Indoor units are for indoor installation only. Outdoor

units can be installed either outdoors or indoors. This

unit is for indoor use.

• Do not install the air conditioner or heat pump in the

following locations:

(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

malfunction.

(d) Where flammable gas may leak, where there is

carbon fiber, or ignitable dust suspension in the air,

or where volatile flammables such as thinner or

gasoline are handled. Operating the unit in such

conditions can cause a fire.

• Take adequate measures to prevent the outside unit

from being used as a shelter by small animals. Small

animals making contact with electrical parts can

cause malfunctions, smoke, or fire. Instruct the

customer to keep the area around the unit clean.

• Install the power supply and control wires for the indoor

and outdoor units at least 3.5 feet away from televisions

or radios to prevent image interference or noise.

Depending on the radio waves, a distance of 3.5 feet may

not be sufficient to eliminate 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

conventional refrigerants: gauge manifold, charge

hose, gas leak detector, reverse flow check valve,

refrigerant charge base, vacuum gauge, or refrigerant

recovery equipment.

• If the conventional refrigerant and refrigerator oil are

mixed in R-410A, the refrigerant may deteriorate.

• This air conditioner or heat pump is an appliance that

should not be accessible to the general public.

• As design pressure is 478 psi, the wall thickness of

field-installed pipes should be selected in accordance

with the relevant local, state, and national regulations.

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Daikin Quaternity H-Series Specifications Page 22

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