Daikin LREQ5B7Y1 Installation Manual

Also see for LREQ10B7Y1: Installation manual Operation manual

Contents

Daikin LREQ5B7Y1 Installation Manual Manual pdf 4 page image

Installation manual1 LREQ5~20B7Y1Air cooled refrigeration condensing unit4PW74302-1 – 2012.06CONTENT1. INTRODUCTION ....................................................................... 11-1 Safety precautions ............................................................. 11-2 Special notice of product.................................................... 21-3 Disposal requirements ....................................................... 22. BEFORE INSTALLATION.......................................................... 22-1 Standard supplied accessories .......................................... 22-2 Model series....................................................................... 32-3 Example of system configuration ....................................... 32-4 Indoor unit constraints........................................................ 33. SELECTION OF LOCATION ..................................................... 34. HANDLING THE UNIT .............................................................. 45. PLACING THE UNIT ................................................................. 56. REFRIGERANT PIPING............................................................ 56-1 Selection of piping material................................................ 66-2 Protection against contamination when installing pipes..... 76-3 Pipe connection ................................................................. 76-4 Drier installation ................................................................. 76-5 Connecting the refrigerant piping....................................... 77. FIELD WIRING ........................................................................ 107-1 Example of wiring entire system .......................................117-2 Procedure for incoming wiring ..........................................117-3 Procedure for power supply wiring................................... 127-4 Procedure for wiring inside units...................................... 138. INSPECTION AND PIPE INSULATION .................................. 148-1 Airtight test/vacuum drying............................................... 148-2 Thermal insulation work ................................................... 148-3 Checking of device and installation conditions ................ 159. CHECKS AFTER WORK COMPLETION................................ 1510. REFRIGERANT REPLENISHMENT ....................................... 1511. TEST RUN............................................................................... 17The English text is the original instruction. Other languages aretranslations of the original instructions.1. INTRODUCTION• This document is an installation manual for the Daikin Air CooledRefrigeration Condensing Unit. Before installing the unit, read thismanual thoroughly, and following the instructions contained in it.After installation, do a test run to make sure the unit runs properly,and then explain how to operate and take care of the unit to thecustomer, using the operation manual.• Lastly, make sure the customer keeps this manual, along with theoperation manual, in a safe place.• This manual does not describe how to install the indoor unit.Refer to the installation manual included with the indoor unit forthat.1-1 Safety precautionsPlease read these “Safety precautions” carefully before installingcondensing unit and be sure to install it correctly.Meaning of WARNING and CAUTION noticesBoth are important notices for safety. Be sure to follow them.WARNING .... Failure to follow these instructions properly mayresult in personal injury or loss of life.CAUTION ..... Failure to observe these instructions properlymay result in property damage or personal injury,which may be serious depending on the circum-stances.After completing installation, conduct a test operation to confirm thatthe equipment operates without any problems. Then, explain to thecustomer how to operate the equipment and take care of it followingthe operation manual.Ask the customer to store the installation manual along with theoperation manual for future reference.WARNING• Ask your dealer or qualified personnel to carry out installation work.Do not attempt to install the condensing unit yourself. Improperinstallation may result in water leakage, electric shocks or fire.• Install the condensing unit in accordance with the instructions inthis installation manual.Improper installation may result in water leakage, electric shocks or fire.• When installing the unit in a small room, take measures so that therefrigerant may not exceed the limiting concentration in the eventof refrigerant leakage.Contact your dealer for further information. If the refrigerant leaks andexceeds the limiting concentration, it may lead to oxygen deficiency.• Be sure to use only the specified accessories and parts forinstallation work.Failure to use the specified parts may result in the unit falling, waterleakage, electric shocks or fire.• Install the condensing unit on a foundation strong enough towithstand the weight of the unit.If a foundation does not have sufficient strength, the equipmentmay fall and cause injury.• Carry out the required installation work in consideration of strongwinds, typhoons or earthquakes.If the installation work is not properly carried out, the unit may falldown and cause accidents.• The electrical work must be carried out by the qualified electrician inaccordance with the local laws and regulations and this installationmanual. Make sure to provide a dedicated power supply circuit andnever connect additional wiring to the existing circuit.An insufficient power supply capacity or improper electrical workmay lead to electric shocks or fire.• Be sure to earth the condensing unit.Do not earth the unit to a utility pipe, lightning conductor ortelephone earth lead. Imperfect earthing may result inelectric shocks or fire.A high surge current from lightning or other sources may causedamage to the condensing unit.• Be sure to install an earth leakage breaker.Failure to install an earth leakage breaker may result in electricshocks or fire.• Be sure to switch off the unit before touching any electrical parts.Touching a live part may result in electric shock.• For wiring, use the specified wires and connect and fasten themfirmly so that no external force from the wires may be applied to theterminal connections.If the wires are not firmly connected and fastened, it may causeheating, fire or the like.• When wiring the power supply and connecting transmission wiring,position the wires so that the control box lid can be securely fastened.Improper positioning of the control box lid may result in electricshocks, fire or the terminals overheating.• If refrigerant gas leaks during installation, ventilate the areaimmediately.Toxic gas may be produced if the refrigerant comes into contactwith fire.• After completing installation, check for refrigerant gas leakage.Toxic gas may be produced if the refrigerant gas leaks into theroom and comes into contact with a source of fire, such as a fanheater, stove or cooker.• Do not directly touch refrigerant that has leaked from refrigerantpipes or other areas, as there is a danger of frostbite.• Do not allow children to climb on the outside unit and avoid placingobjects on the unit.Injury may result if the unit becomes loose and falls.LREQ5B7Y1 LREQ12B7Y1LREQ6B7Y1 LREQ15B7Y1LREQ8B7Y1 LREQ20B7Y1LREQ10B7Y1Air cooled refrigeration condensing unit Installation manual