MULTI F MULTI FMAX

Multi F Multi Fmax-Free PDF

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PROPRIETARY DATA NOTICE, This document as well as all reports illustrations data information and other. materials are the property of LG Electronics U S A Inc and are. disclosed by LG Electronics U S A Inc only in confidence. Do not throw away destroy or lose this manual, Please read carefully and store in a safe place for future reference. Content familiarity required for proper installation. The instructions included in this manual must be followed to prevent prod. uct malfunction property damage injury or death to the user or other. people Incorrect operation due to ignoring any instructions will cause. harm or damage A summary of safety precautions begins on page 4. For more technical materials such as submittals engineering. databooks and catalogs visit www lghvac com,IM Multi F CeilingCassette 7 16. For continual product development LG Electronics U S A Inc reserves the right to change specifications without notice. LG Electronics U S A Inc, This document as well as all reports illustrations data information and other materials are the property of LG Electronics U S A Inc. MULTI F TABLE OF CONTENTS,MULTI F MAX,Safety Instructions 4.
Introduction 9,Unit Nomenclature 11,General Data 12. Specifications 13,Typical Multi F Multi F Max Systems 15. Refrigerant Piping Requirements 17,General Installation Guidelines 18. Location Selection 18,Inspection 19,Install Ceiling Cassette 20. Installing Drain System 22,Installation Manual,Refrigerant Piping 23.
Piping Materials and Handling 31,Piping Connections 32. Piping Preparation 32,IDU to ODU 33,Piping Insulation 36. Electrical Wiring 38,General Guidelines 38,Power Wiring Specifications and Best Practices 39. Controller Options 40, Power Wiring Communications Cable Installation Guidelines 40. Indoor Unit Electrical Connections Procedure 41,Decorative Grille Kit Installation 43.
Self Diagnosis Functions 44,LG SIMS Self Diagnosis Functions 46. Controller Options 48,Troubleshooting 51,Error Codes 51. Cautions for Refrigerant leaks 53,Refrigerant Leaks 53. Installation Checklist 54,Pre Commissioning Checklist 58. Commissioning Notes 62,Commissioning Checklist Exception Report 63.
Multi F Refrigerant Charge Worksheet 64,Multi F MAX Refrigerant Charge Worksheet 65. Due to our policy of continuous product innovation some specifications may change without notification. LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 3. SAFETY INSTRUCTIONS MULTI F,MULTI F MAX, The instructions below must be followed to prevent product malfunction property damage injury or death to the user or other people Incor. rect operation due to ignoring any instructions will cause harm or damage The level of seriousness is classified by the symbols described. TABLE OF SYMBOLS, DANGER This symbol indicates an imminently hazardous situation which if not avoided will result in death or serious injury. This symbol indicates a potentially hazardous situation which if not avoided could result in death or serious injury. CAUTION This symbol indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury. This symbol indicates situations that may result in equipment or property damage accidents only. This symbol indicates an action should not be completed. Installation,Multi F Ceiling Cassette Indoor Unit, Do not store or use flammable gas or combustibles near Do not supply power to the unit until all wiring and piping. the unit are completed or reconnected and checked, There is risk of fire explosion and physical injury or death There is risk of physical injury or death due to electric shock.
Do not install remove or re install the unit by yourself Always check for system refrigerant leaks after the unit has. end user Ask the dealer or a trained technician to install been installed or serviced. the unit Exposure to high concentration levels of refrigerant gas may lead to. Improper installation by the user may result in water leakage fire illness or death. explosion electric shock physical injury or death, Do not install the unit using defective hanging attaching. or mounting hardware, For replacement of an installed unit always contact an. LG trained service provider There is risk of physical injury or death. There is risk of fire electric shock explosion and physical injury or death. Dispose of the packing materials safely, The outdoor unit is shipped with refrigerant and the service Packing materials such as nails and other metal or wooden parts. valves closed Do not open service valves on the unit until may cause puncture wounds or other injuries. all non condensibles have been removed from the piping Tear apart and throw away plastic packaging bags so that children. system and authorization has been obtained from the may not play with them and risk suffocation and death. commissioning agent, There is a risk of physical injury or death Do not install the unit in any location exposed to open. flame or extreme heat Do not touch the unit with wet. Do not run the compressor with the service valves closed. There is risk of fire electric shock explosion and physical injury or. There is risk of explosion physical injury or death. Periodically check that the outdoor unit is not damaged. Install the unit considering the potential for earthquakes. There is risk of explosion physical injury or death. Improper installation may cause the unit to fall resulting in physical. injury or death,Replace all control box and panel covers.
If cover panels are not installed securely dust water and animals may Do not change the settings of the protection devices. enter the unit causing fire electric shock and physical injury or death. If the pressure switch thermal switch or other protection device shorted. and forced to operate improperly or parts other than those specified by. Wear protective gloves when handling equipment LG are used there is risk of fire electric shock explosion and physical. injury or death,Sharp edges may cause personal injury. Due to our policy of continuous product innovation some specifications may change without notification. 4 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp. MULTI F SAFETY INSTRUCTIONS,MULTI F MAX,Installation continued. If the air conditioner is installed in a small space take mea Properly insulate all cold surfaces to prevent sweating. sures to prevent the refrigerant concentration from exceed Cold surfaces such as uninsulated piping can generate condensate that. ing safety limits in the event of a refrigerant leak could drip causing a slippery surface that creates a risk of slipping fall. Consult the latest edition of ASHRAE American Society of Heating ing and personal injury. Refrigerating and Air Conditioning Engineers Standard 15 If the re. frigerant leaks and safety limits are exceeded it could result in personal. injuries or death from oxygen depletion,Be very careful when transporting the product. Do not attempt to carry the product without assistance. Some products use polypropylene bands for packaging Do not use polypropylene bands to lift the unit. Suspend the unit from the base at specified positions. Support the unit at a minimum of four points to avoid slippage from rigging apparatus. Failure to follow these directions may result in minor or moderate physical injury. Installation Manual, LG Electronics U S A Inc is not responsible for any piping calculations Periodically check that the unit is not damaged. refrigerant leaks degradation of performance or any other potential There is a risk of equipment damage. problems or damages as a result of interconnecting piping their joint. connections isolation valves introduced debris inside the piping system. or other problems caused by the interconnecting piping system Take appropriate actions at the end of HVAC equipment life. to recover recycle reclaim or destroy R410A refrigerant ac. cording to applicable U S Environmental Protection Agency. Properly insulate all cold surfaces to prevent sweating EPA rules. Cold surfaces such as uninsulated pipe can generate condensate that. may drip and cause water damage to walls Install the unit in a safe location where no one can step on or. fall onto it Do not install the unit with defective hanging. When installing the unit in a hospital mechanical room or attaching or mounting hardware. similar electromagnetic field EMF sensitive environment There is risk of unit and property damage. provide sufficient protection against electrical noise. Inverter equipment power generators high frequency medical equip Install the drain hose to ensure adequate drainage. ment or radio communication equipment may cause the air conditioner to. There is a risk of water leakage and property damage. operate improperly The unit may also affect such equipment by creating. electrical noise that disturbs medical treatment or image broadcasting. Don t store or use flammable gas combustibles near the unit. Do not use the product for special purposes such as There is risk of product failure. preserving foods works of art wine coolers or other preci. sion air conditioning applications This equipment is de Always check for system refrigerant leaks after the unit has. signed to provide comfort cooling and heating been installed or serviced. There is risk of property damage Low refrigerant levels may cause product failure. Do not make refrigerant substitutions Use R410A only The unit is shipped with refrigerant and the service valves. If a different refrigerant is used or air mixes with original refrigerant the closed Do not open service valves on the unit until all. unit will malfunction and be damaged non condensibles have been removed from the piping. system and authorization to do so has been obtained from. the commissioning agent,Do not install the unit in a noise sensitive area.
There is a risk of refrigerant contamination refrigerant loss and equip. ment damage, When connecting refrigerant tubing remember to allow for. pipe expansion, Improper piping may cause refrigerant leaks and system malfunction. Due to our policy of continuous product innovation some specifications may change without notification. LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 5. SAFETY INSTRUCTIONS MULTI F,MULTI F MAX, High voltage electricity is required to operate this system Properly size all circuit breakers or fuses. Adhere to the NEC code and these instructions when wiring There is risk of fire electric shock explosion physical injury or death. Improper connections and inadequate grounding can cause accidental. injury or death,Do not use damaged or loose power wiring Do not. modify or extend the outdoor unit s power wiring randomly. Always ground the unit following local state and NEC codes Ensure that the power wiring will not be pulled nor weight be. There is risk of fire electric shock and physical injury or death placed on the power wiring during operation. There is risk of fire electric shock and physical injury or death. Turn the power off at the nearest disconnect before servicing. the equipment,Electric shock can cause physical injury or death.
Multi F Ceiling Cassette Indoor Unit, The information contained in this manual is intended for use Refer to local state and federal codes and use power wires. by an industry qualified experienced trained electrician of sufficient current capacity and rating. familiar with the U S National Electric Code NEC who is Wires that are too small may generate heat and cause a fire. equipped with the proper tools and test instruments. Failure to carefully read and follow all instructions in this manual can. result in equipment malfunction property damage personal injury or Secure all field wiring connections with appropriate wire. death strain relief, Improperly securing wires will create undue stress on equipment power. lugs Inadequate connections may generate heat cause a fire and. All electric work must be performed by a licensed electrician physical injury or death. and conform to local building codes or in the absence of. local codes with the National Electrical Code and the. instructions given in this manual Properly tighten all power connections. If the power source capacity is inadequate or the electric work is not Loose wiring may overheat at connection points causing a fire physical. performed properly it may result in fire electric shock physical injury or injury or death. Do not change the settings of the protection devices. Ensure the system is connected to a dedicated power source If the protection devices have been bypassed or are forced to operate. that provides adequate power improperly or parts other than those specified by LG are used there is. If the power source capacity is inadequate or the electric work is not risk of fire electric shock explosion and physical injury or death. performed properly it may result in fire electric shock physical injury or. Do not cut lengthen or shorten the communications and Do not supply power to the unit until all electrical wiring. power cable between any dry contact unit and its connected controls wiring piping installation and refrigerant system. indoor unit Do not install the unit in a location where the evacuation are completed. INSTALLATION MANUAL MAX MULTI F MULTI F LMCN077HV 7 kBtu LCN097HV4 9 kBtu LCN127HV4 12 kBtu LMCN185HV 18 kBtu The instructions included in this manual must be followed to prevent prod uct malfunction property damage injury or death to the user or other people Incorrect operation due to ignoring any instructions will cause harm or damage A summary of safety precautions

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