Daikin FVQ140CVEB Instrukcja Instalacji Pobierz pdf (Strona 9)

8 English

〈How to attach dew proof material (only when connected with the RZQSG71L)〉

• To make the work easy, set the upper 5 horizontal flaps upward and the lower 3 flaps downward. Then,

attach the provided dew proof material (10) to the third horizontal flap from the bottom as shown in Fig.8.

If the material is not attached to the correct place, dew condensation water may drip.

5. REFRIGERANT PIPING WORK

〈For refrigerant piping of outdoor units, see the installation manual attached to the outdoor unit.〉

〈Make sure to carry out thermal insulation in both gas and liquid piping. Incomplete insulation may

result in water leakage. Thermal resistance of the insulation for gas piping must be 120°C or higher.

In a high humidity environment, strengthen the refrigerant piping insulation. If insulation is

insufficient, condensation may form on the insulation surface.

Be sure to check that the refrigerant is R410A before starting the job. (If a different refrigerant is used,

a normal operation cannot be carried out.)〉

CAUTION

This product is a dedicated model for new refrigerant (R410A). At installation, make sure to observe the

following precaution.

• For flare connection, use dedicated pipe cutter and flaring tools for R410A.

• Apply ester oil or ether oil to the inside of the flare section before connecting.

• Use the flare nuts provided with the unit. Do not use a class 1 flare nut.

Otherwise the refrigerant may leak.

• To prevent dust, moisture or other foreign matters from getting into the tube, either pinch the tube end or

cover the end with tape.

•

Do not allow anything other than the designated refrigerant to get mixed into the refrigerant circuit, such

as air, etc. If any refrigerant gas leaks while working on the unit, ventilate the room thoroughly right

away.

Dew proof material (10)

(accessory)

Dew proof material (10)

(accessory)

Dew proof material

Attach the dew proof material while

aligning it to the dew proof material.

Attach the dew proof material while

aligning it to the centre.

Upward

Downward

Horizontal flap

(3rd from the bottom)

Fig. 8

3P249378-4D_FM6.book Page 8 Thursday, December 15, 2011 10:00 AM

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Daikin FVQ140CVEB Instrukcja Instalacji Strona 9