Page 2 - English; Safety Precautions; DANGER
■ English 1 Safety Precautions • Read these Safety Precautions carefully to ensure correct installation.• This manual classifies the precautions into DANGER, WARNING and CAUTION. Be sure to follow all the precautions below: they are all important for ensuring safety. DANGER ............... Indicates...
Page 3 - WARNING; CAUTION
2 ■ English Safety Precautions Accessories Accessories supplied with the outdoor unit: WARNING • After connecting all wires be sure to shape the cables so that they do not put undue stress on the electrical covers, panels or terminals. Install covers over the wires. Incomplete cover installation may...
Page 4 - Precautions for Selecting the Location; Outdoor Unit Installation Drawings
■ English 3 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 the operation noise will not cause a nuisance to the neig...
Page 5 - Installation Guidelines; Installing outdoor unit
4 ■ English Installation Guidelines • Where a wall or other obstacle is in the path of outdoor unit’s inlet or outlet airflow, follow the installation guidelines below.• For any of the below installation patterns, the wall height on the outlet side should be 47-1/4 inch (1200mm) or less. Precautions...
Page 6 - Flaring the pipe end; Refrigerant piping
■ English 5 3. Flaring the pipe end 1) Cut the pipe end with a pipe cutter.2) Remove burrs with the cut surface facing downward 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 • Do not use mineral oil on ...
Page 7 - Outdoor Unit Installation; Purging air and checking gas leakage
6 ■ English Outdoor Unit Installation 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 • Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle.• When refrigerant g...
Page 8 - Refilling the refrigerant; Refrigerant piping work
■ English 7 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 change, preventing normal o...
Page 9 - Pump Down Operation; How to forced cooling operation mode
8 ■ English 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 5 to 10 minutes, close the liquid stop valve with a he...
Page 10 - Wiring
■ English 9 Wiring WARNING • Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating, electrical shock, or fire. • Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the t...
Page 11 - Trial Operation and Testing; Trial operation and testing; Test items; Good
10 ■ English Wiring 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. Tri...