LG LCN340CP Service Manual - Page 28

Installation 8. Test running 1) PRECAUTIONS IN TEST RUN • The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. CAUTION For test run, carry out the cooling operation first even during winter season. Carry out the test run more than 5 minutes without stopping. (Test run will be cancelled 18 minutes later automatically) • The test run is started by pressing the room temperature checking button and down timer button for 3 seconds at the same time. • To cancel the test run, press any button. CHECK THE FOLLOWING ITEMS WHEN INSTALLATION IS COMPLETE • After completing work, be sure to measure and record trial run properties, and store measured data, etc. • Measuring items are room temperature, outside temperature, suction temperature, blow out temperature, wind velocity, wind volume, voltage, current, presence of abnormal vibration and noise, operating pressure, piping temperature, compressive pressure. • As to the structure and appearance, check following items. ❏ Is the circulation of air adequate? ❏ Is the remote controller switch operated? ❏ Is the draining smooth? ❏ Is there any faulty wiring? ❏ Is the heat insulation complete ❏ Are not terminal screws loosened? (refrigerant and drain piping)? ❏ Is there any leakage of refrigerant? M4......118N.cm{12kgf.cm}{10.4lbf.in} M5......196N.cm{20kgf.cm}{17.4lbf.in} M6......245N.cm{25kgf.cm}{21.7lbf.in} M8......588N.cm{60kgf.cm}{52.1lbf.in} 28 Ceiling Cassette Air Conditioner