Daikin ARX20JV1B- Manuals

Page 3 - English; Safety Precautions; WARNING

1 ■ English Safety Precautions • Read these Safety Precautions carefully to ensure correct installation. • This manual classifies the precautions into WARNING and CAUTION. Be sure to follow all the precautions below: they are all important for ensuring safety. WARNING ...............Failure to follo...

Page 4 - Accessories; Precautions for Selecting the Location; CAUTION

■ English 2 Accessories Accessories supplied with the outdoor unit: Precautions for Selecting the Location 1) Choose a place solid enough to bear the weight and vibration of the unit, where the operation noise will not be amplified.2) Choose a location where the hot air discharged from the unit or t...

Page 5 - Outdoor Unit Installation Drawings

3 ■ English Outdoor Unit Installation Drawings CAUTION Set the piping length from 1.5m to 15m. Wrap the insulation pipe with the finishing tape from bottom to top. In sites with poor drainage, use block bases for outdoor unit. Adjust foot height until the unit is leveled. Otherwise, water leakage or...

Page 6 - Installation Guidelines; Installing outdoor unit.

■ English 4 Installation Guidelines • Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines below.• For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less. Precautions on Install...

Page 7 - Outdoor Unit Installation; Flaring the pipe end.

5 ■ English Outdoor Unit Installation 3. Flaring the pipe end. 1) Cut the pipe end with a pipe cutter.2) Remove burrs with the cut surface facing down- ward so that the chips do not enter the pipe. 3) Put the flare nut on the pipe.4) Flare the pipe.5) Check that the flaring is properly made. WARNING...

Page 8 - Purging air and checking gas leakage.

■ English 6 5. Purging air and checking gas leakage. • When piping work is completed, it is necessary to purge the air and check for gas leakage. WARNING 1) Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle.2) When refrigerant gas leaks occur, ventila...

Page 9 - Refilling the refrigerant.; Refrigerant piping work.; Important information regarding the refrigerant used

7 ■ English Outdoor Unit Installation 6. Refilling the refrigerant. Check the type of refrigerant to be used on the machine nameplate. Precautions when adding R410A Fill from the liquid pipe in liquid form. It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to ...

Page 10 - Pump Down Operation; How to force cooling operation mode

■ English 8 Pump Down Operation In order to protect the environment, be sure to pump down when relocating or disposing of the unit. 1) Remove the valve cap from liquid stop valve and gas stop valve.2) Carry out forced cooling operation.3) After five to ten minutes, close the liquid stop valve with a...

Page 11 - Wiring

9 ■ English Wiring WARNING 1) Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating, electrical shock, or fire. 2) Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the...

Page 12 - Good

■ English 10 CAUTION When connecting the connection wires to the terminal board using a single core wire, be sure to perform curling.Problems with the work may cause heat and fires. 3) Pull the wire and make sure that it does not disconnect. Then fix the wire in place with a wire stop. Strip wire en...

Page 13 - Test Run and Final Check; Trial operation and testing.

11 ■ English Test Run and Final Check 1. Trial operation and testing. 1-1 Measure the supply voltage and make sure that it falls in the specified range.1-2 Trial operation should be carried out in either cooling or heating mode. ■ For heat pump • In cooling mode, select the lowest programmable tempe...