Haier AB072XCEAA Service Manual - Page 48

Chff^j\bZe Abj Chg]blbhg^j Others 1.Power supply requirements: Voltage: single-phase1PH,220-230V~,50Hz Dedicated electrical cable should be installed by a qualified technician in accordance with the state regulation for electrical engineering. The power source must be grounded. A circuit breaker must be installed Electrical cables should be connected by Y method. Damaged or wornelectrical cable must be replaced by authorized after sales agents. The power plug should be connected as follows: L for live line, N for neutral line and for grounding. Connection parameters: H05RN-F 3G(1.0~1.5)mm Signal parameters: H05RN-F2X(0.75~1.5)mm (Shieded wire) Cables for power supply, connection and signals are prepared by the owner. 2.Piping cutting and flaring Be sure to carry out deburring after cutting with a pipe cutter. Insert flaring tool to make a flare. A Flare tooling die Pipe diameter Size A (mm) Liquid pipe 6.35mm(1/4") 0.8 ~1.5 Gas pipe 12.7mm(1/2") 1.2 ~2.0 Correct Incorrect Lean Damage of flare Crack Partial Too outside Installation 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? z 46 z