Haier AU422XIBAA Service Manual

Also see for AB122XCBAA: Service manual Manual de operación Manual de operación Service manual

Haier AU422XIBAA Service Manual Manual pdf 26 page image

Piping connection of the indoor unit1. Arrangement of piping and drainage pipeAfter opening inlet grill,you will see a control box.Remove the cover before working.Cut away, with a hammer or a saw, the lid for piping according to piping direction.According to the piping method, connect the piping on indoor unit with union of connection pipe.Arrange the piping as per the wall hole and bind drain hose connecting electric cable and pipingtogether with polyethylene tape.Insert the bound piping connecting electric cable and drain hoes through wall hole to connectwith outdoor unit.2. Arrangement drain hoseDrain hose shall be placed in under place.There should be a slope when arrange drain hose. Avoid up and down waves in drain hose.If humidity is high, drain pipe(especially in room and indoor unit) must be covered withinstallation material.Insulation materialCopper tubeDrain hoseConnecting electric cablefor indoor and outdoor unitElectric wiring :Process of wire connections1. Loop terminalAfter removing the screw, fix the wire ring on the screw, reinsert the screw into theblock terminal and then tighten the screw.2. Straight terminalAfter loosening the screw, inset the wire end into the block terminal and then tightenthe screw. Slightly pull the wire to see if it is tightly fixed.3. Wire cappingAfter completion of connection, capping clips must beapplied on the external sleeve of the wires.Wiring diagram:Wiring of indoor unitRemove air intake screen and take out the front wires.Connect the wires as specified in the abovemethods and diagrams for indoor unit and wire con-nections.Properly apply capping clips on the wires.Replace the air intake screen.Do not link the connecting and signal wire with thesame cable, a snug space must be maintainedbetween connecting and signal wires.Shield of the signal wire should be spot grounded.Block terminalCapping clipWiring diagram of loop terminals1(L)