13OthersThe power plug should be connected as follows: L for live line, N for neutral line andfor grounding.The signal wire must be shielded wire.2. Piping cutting and flaringBe sure to carry out deburring after cutting with a pipe cutter.Insert flaring tool to make a flare.Installation Manual of Room Air ConditionerInstallation inspection and test run:Please operate unit according to this Manual.Items to be checked during test run. Please made a '' '' in '' ''Are there any gas leakage?How is insulation at piping connection carried out?Are electric wires of indoor and outdoor unit firmly inserted into terminal block?Is electric wiring of indoor and outdoor securely fixed?Is drainage securely carried out?Is earth line(grounding) securely connected?Is power supply voltage abided by the code?Is there any noise?Is control display normal?Is cooling operation normal?Is room temp. regulator normal?Liquid pipePipe diameter Size A (mm)0.8 ~1.51.0 ~1.56.35mm(1/4")9.52mm(3/8")Gas pipeACorrect IncorrectLean Damage of flare Crack Partial Too outsideFlare tooling dieVoltage: single-phase1PH,220-230V~,50HzThe power source must be grounded.Connection parameters: H05RN-F 3G(1.0-1.5)mmSignal parameters:1. Power supply requirements:Cables for power supply, connection and signals are prepared by the owner.Electrical cables should be connected by “Y” method. Damaged or wornelectricalcable must be replaced by authorized after sales agents.A circuit breaker must be installedDedicated electrical cable should be installed by a qualified technician inaccordance with the state regulation for electrical engineering.H05RN-F 2x(0.75-1.5)mm (Shieded wire)