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ROOM AIR CONDITIONER

OUTDOOR UNIT

No.0010576723

             H

Before using the air conditioner,please read this manual carefully.

Please keep this manual properly for future use.

CONTENTS

Name of Parts----------------------1

Safety Cautions------------------2-3

Installation Procedure---------4-13

INSTALLATION INSTRUCTIONS

HBU-42CF03    HDU-42CF03/H

HBU-42HF03    HDU-42CH03/H

HBU-28CF03

HBU-28HF03

HDU-42HF03/H

HDU-42CI03/H

HDU-42HK03/H

HDU-50HT03/H

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Summary of Contents for HBU-28CF03

Page 1: ...this manual properly for future use CONTENTS Name of Parts 1 Safety Cautions 2 3 Installation Procedure 4 13 INSTALLATION INSTRUCTIONS HBU 42CF03 HDU 42CF03 H HBU 42HF03 HDU 42CH03 H HBU 28CF03 HBU 2...

Page 2: ...ir outlet Inside of unit Compressor Air inlet Air outlet Inside of unit Compressor HBU 28HF03 Air inlet Air outlet Inside of unit Compressor Air inlet Air outlet Inside of unit Compressor HDU 42HF03 H...

Page 3: ...the following information in order to operate the airconditioner correctly WARNING If any abnormal phenomena is found e g smell of firing please cut off the power supply immediately and contact the de...

Page 4: ...lation may cause water leak electrical shock and fire hazard Call the dealer to take measures to prevent the refrigerant from leaking If conditioner is installed in a small room be sure to take every...

Page 5: ...ce where there is not heavy snowfall in the winter time Place where obstacles do not exist near the air inlet and air outlet Place where the air outlet may not be exposed to a strong wind Place surrou...

Page 6: ...CF03 b Foundation anchor a Concrete foundation Install the unit so that the angle of inclination must be less than 3 degrees Note 1 Give enough room for the concrete foundation to fix by anchor bolts...

Page 7: ...edure 580 380 Power Wiring Terminal Power Wiring Distribution Hole 25 948 840 HBU 28HF03 Power Wiring Terminal Power Wiring Distribution Hole 646 447 25 1008 830 HBU 42CF03 HDU 42CF03 H HBU 42HF03 HDU...

Page 8: ...Gas pipe Liquid pipe Flare connection Indoor unit 3 way stop valve 2 way stop valve 4 Refrigerant piping 580 380 948 Power wiring Terminal 25 1250 HDU 42CI03 H HDU 42HK03 H HDU 42HF03 H HBU 28HF03 HB...

Page 9: ...s such as sands enter the pipe 4 Piping connection Forced fastening without centering may damage the threads and cause a gas leakage Pipe dia Fastening torque Liquid pipe 6 35mm Gas pipe 15 88mm Liqui...

Page 10: ...to prevent the nitrogen entering the circulation system of outdoor unit tighten the valve rod before giving pressure both gas and liquid valve rods Outdoor Completely tightened Completely tightened Fl...

Page 11: ...tness test and discharging all the nitrogen connect the vacuum pump as the following figure shown Refrigerant piping 10 When the total length L of the two units connecting pipe is less than 5m it is u...

Page 12: ...r only Select wire sizes and circuit protection from table below This table shows 20 m length wires with less than 2 voltage drop WARNING 30mA Item Model Phase 3 Switch breaker A Circuit breaker Overc...

Page 13: ...380 400V 50Hz N 1 2 3 Y G R S T HBU 42CF03 HDU 42CF03 H HDU 50HT03 H HDU 42CH03 H HDU 42CI03 H HDU 42HK03 H To Indoor Unit Y G To Indoor Unit W B R BR GR L N 3 4 5 Y G R S T N Y G POWER SUPPLY 3N 380...

Page 14: ...ON OPERATION WHEN ELECTRIC POWER IS SUPPLIED BE SURE TO EXECUTE OFF OPERATION BEFORE ELECTRIC POWER IS DISCONNECTED FOR SERVICING This unit has a function of automatic restart system after recovering...

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