Haier HPU-16CB03 User Manual - Page 31

Installation procedures Other instruction and test run Other instruction 1.Power supply The air conditioner must use a special power circuit and special air switch. The air switch should be all-pole switch,and the distance between its two contacts should be no less 3mm. The users should provide special switch, grounding wire by themselves. The wiring should be done by a qualified electrician according to the wir- ing rules specified by national standard An creepage breaker should be installed. The grounding wire and null wire of receptacle should be strictly separated. It is incorrect to connect the null wire with grounding wire. The connection method of power cord is Y connection. If the power cable is damaged,in order to avoid danger, it must be replaced by the manufacturer or its specified repair center of the same qualified worker. All the wires should be copper core wires. Flaring dimensions as follows: 2. Cut and flaring method Use pipe cutter to cut the pipe, Connect pipe Pipe diameter Dimension A (mm) the burrs must be removed. Liquid pipe 6.35mm (1/4î) After inserting the flarer, perform Gas pipe 12.7mm (1/2î) Liquid pipe 9.52mm (3/8î) 0.8-1.5 1.0-2.0 1.0-1.2 flared nut. Gas pipe 15.88mm (5/8î) 1.4-2.2 Correct Incorr Flarer A Slant Broken Burrs Uncompleted Too long Test run 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 draminage 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? 29