Haier HBU-14HC03 User Manual - Page 25

Installation Procedures 4. Indoor unit wiring Hint Connect terminals (A,B,C,D) on lower When make wiring, please keep part of wire controller to terminals a(Adi,stance between wires and B,C,D) on PCB of indoor unit. power supply cord. wiring from here AB CD Lower part of wire controller Wire size Cord kind Shield wire (4 core) (refer to Hint 3,4) Size 0.33mm2 Upper part of wire controller Use shielede wires for telecommunication between wire controller and indoor unit; indoor unit and outdoor unit. Ground the shield on one side. Otherwise misoperation because of noise may occur. Signal wire is self-provided. Shielded wire ground Hint Tread surface of the terminal well so that shielding may not contact other part. 5. Replace the upper part of wire controller Be careful not to press the wiring. Hint 1. Switch box and cord for wiring are not supplied. 2. Don't touch PCB with hand. 23