Haier AD142ALEAA Operation And Instruction Manual

Contents

Haier AD142ALEAA Operation And Instruction Manual Manual pdf 21 page image

20Installation Manual For Indoor UnitThe notch upward(Attached detail view)Indoor unitSubsidiary insulation tubeField piping sideElectric wiringWARNINGDANGER OF BODILY INJURY OR DEATHTURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFOREMAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BECOMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.(1) Selection of size of power supply and interconnecting wires.Precautions for Electric wiringElectric wiring work should be conducted only by authorized personnel.Do not connect more than three wires to the terminal block. Always use round type crimped terminallugs with insulated grip on the ends of the wires.Use copper conductor only.Vacuum pumpingOpen all valvesGas leakage detectionInsulation treatmentWith a vacuum pump,create vacuum from the stop valve of the outdoor unit.Emptying with refrigerant sealed in the outdoor unit is absolutely forbidden.Open all the valves on the outdoor unit.Check with a leakage detector or soap water that if there is gas leakage at the pipeconnections and bonnets.Conduct insulation treatment on both the gas side and liquid side of pipes respectively.During cooling operation,both the liquid and gas sides are cold and thus shall be insulatedso as to avoid dew generation.The insulating material at gas side shall be resistant to a temperature above 120 CThe indoor unit pipe connection part shall be insulated.