Haier HDU-28CF03, HDU-18HF03, HDU-18CF03 installation manual Indoor unit wiring

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Installation Manual For Wire Controller

3. Indoor unit wiring

Connect terminals (A,B,C,D) on lower part of wire controller to terminals (A, B,C,D) on PCB of indoor unit.

Hint

When make wiring, please keep a distance between wires and power supply cord.

wiring from here

A B C D

Lower part of wire controller

Upper part of wire controller

Wire size

Cord kind

Shield wire (4 core) (refer to Hint 3,4)

Size

0.33mm2

 

 

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.

4.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.

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Contents Duct Type AIR Conditioner Table of Contents Disposal of the old air conditioner Make sure the system is grounded Safety PrecautionsDo not wash the air conditioner with water Heating Indoor Rated Maximum Minimum IndoorCooling OutdoorParts and Functions Parts and Functions Operation Power ON/OFFCool Fan operation Auto RUN, COOL,HEAT and DRY operation 4Confirming your setting 1After unit start, select your desired operation mode2TIMER mode selection 3Timer setting5Time setting for Timer OFF Press Timer button to change Timer mode3Time setting for Timer on Time confirming for Timer onCooling, dehumidifying mode Heating mode This series changeover switch is set 1. on 2.OFF 3.OFF 4.OFF Unit fails to start MalfunctionMalfunction Followings are not malfunction Points to observe Care and MalntenanceFor Preparation of HeatingHot Keep When heating is startedInstallation place Is The Unit Installed CorrectlyInstall wire controller Installation Manual For Wire ControllerIndoor unit wiring Safety precautions Installation Manual For Indoor UnitIndoor unit Installation Manual For Indoor Unit Sketch map of long duct Thermal insulation of duct Installation of air sending ductInstallation of air return duct Foundation bolt Hose RequirementsPipe and insulation material Connection of refrigerant pipe Allowable pipe length and drop Pipe material and sizeSupplementary refrigerant Gas leakage detection Vacuum pumpingOpen all valves Electric wiring Haier Group