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Related Manuals for Daikin ERWQ02AAV3
Summary of Contents for Daikin ERWQ02AAV3
- Page 1 INSTALLATION MANUAL R410A Split Series Models ERWQ02AAV3...
- Page 2 3P403988-4B...
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Page 3: Safety Precautions
Safety Precautions • The precautions described herein are classified as WARNING and CAUTION. They both contain important information regarding safety. Be sure to observe all precautions without fail. • Meaning of WARNING and CAUTION notices WARNING..Failure to follow these instructions properly may result in personal injury or loss of life. CAUTION..Failure to observe these instructions properly may result in property damage or personal injury, which may be serious depending on the circumstances. - Page 4 • Tighten the flare nut according to the specified method such as with a torque wrench. If the flare nut is too tight, it may crack after prolonged use, causing refrigerant leakage. • Take adequate steps to prevent the outdoor unit being used as a shelter by small animals. Small animals making contact with electrical parts can cause malfunctions, smoke or fire.
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Page 5: Precautions For Selecting The Location
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 neighbours of the user. -
Page 6: Outdoor Unit Installation Drawings
Outdoor Unit Installation Drawings Max. allowable piping length Min. allowable piping 1.5m length Wrap the insulation pipe with Max. allowable piping the finishing tape from bottom height to top. Gas pipe O.D. 9.5mm Liquid pipe O.D. 6.4mm The suggested shortest pipe length is 1.5m, in order to avoid noise from the outdoor unit and vibration. -
Page 7: Precautions On Installation
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 following installation patterns, the wall height on the outlet side should be 1200mm or less. Wall facing one side Wall facing two sides More than 100... - Page 8 Outdoor Unit Installation Flaring the pipe end 1) Cut the pipe end with a pipe cutter. (Cut exactly at right angles.) Remove burrs. 2) Remove burrs with the cut surface facing downward so that the chips do not enter the pipe. Flaring Set exactly at the position shown below.
- Page 9 Evacuating the air with a vacuum pump and checking gas leakage WARNING • Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle. • When refrigerant gas leaks occur, ventilate the room as soon and as much as possible. •...
- Page 10 Outdoor Unit Installation Refilling the refrigerant Check the type of refrigerant to be used on the machine nameplate. Precautions when adding R410A Fill from the gas pipe in liquid form. It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal operation. 1) Before filling, check whether the cylinder has a siphon attached or not.
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Page 11: Pump Down Operation
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. Hexagonal wrench Liquid 2) Carry out pump down operation. stop valve Close 3) After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench. - Page 12 Wiring WARNING • Do not use tapped 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 terminal block.) Doing so may cause electric shock or fire.
- Page 13 Wiring diagram Terminal strip Field wiring Connector Relay connector Connection Terminal Black Orange Blue Brown White Green Yellow Notes Refer to the nameplate of the unit for power requirements. TO INDOOR UNIT To domestic hot water tank POWER SUPPLY Power supply IN CASE OF COOLING ONLY TYPE In case of cooling only type OUTDOOR...
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Page 14: Trial Operation And Testing
Trial Operation and Testing Trial operation and testing 1-1 Measure the supply voltage and make sure that it falls in the specified range. 1-2 Carry out the test operation in accordance with the operation manual to ensure that all functions and parts, such as louver movement, are working properly. - Page 16 4P410035-1 2015.05...
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