Haier AB072XCEAA Service Manual - Page 47

Chff^j\bZe Abj Chg]blbhg^j 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 piping together with polyethylene tape. Insert the bound piping connecting electric cable and drain hoes through wall hole to connect with outdoor unit. 2. Arrangement drain hose Drain 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 with installation material. Electric wiring : Process of wire connections 1. Loop terminal After removing the screw, fix the wire ring on the screw, reinsert the screw into the block terminal and then tighten the screw. 2. Straight terminal After loosening the screw, inset the wire end into the block terminal and then tighten the screw. Slightly pull the wire to see if it is tightly fixed. 3. Wire capping After completion of connection, capping clips must be applied on the external sleeve of the wires. 1(L) Wiring of indoor unit Wiring diagram of loop terminals Remove air intake screen and take out the front wires. Connect the wires as specified in the above methods and diagrams for indoor unit and wire connections. Properly apply capping clips on the wires. Replace the air intake screen. Block terminal Do not link the connecting and signal wire with the same cable, a snug space must be maintained between connecting and signal wires. Capping clip Shield of the signal wire should be spot grounded. Wiring diagram: WB LN Y/G R R PQ TO POWER SUPPLY CONNECT TO (1PH,220-230,50Hz) OUTDOOR UNIT Note: When connecting indoor and outdoor wire, check the number on indoor and outdoor terminal blocks. Terminals of same number and same color shall be connected by the same wire. Incorrect wiring may damage air conditioner's control or cause operation failure. z 45 z