Table of Contents
Advertisement
Quick Links
INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only. Please retain this installation manual for
future reference after reading it thoroughly.
For Heat Pump / Heat Recovery system
Original instruction
MFL71987502
Rev.00_030623
Copyright © 2023 LG Electronics Inc. All Rights Reserved.
www.lg.com
Advertisement
Chapters
Table of Contents
Related Manuals for LG ZRUM080LTS6
Summary of Contents for LG ZRUM080LTS6
- Page 1 Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Please retain this installation manual for future reference after reading it thoroughly. For Heat Pump / Heat Recovery system Original instruction www.lg.com MFL71987502 Rev.00_030623 Copyright © 2023 LG Electronics Inc. All Rights Reserved.
-
Page 2: Important Safety Instructions
WARNING TIPS FOR SAVING ENERGY • Installation or repairs made by unqualified Here are some tips that will help you minimize the power consumption when you use the air conditioner. persons can result in hazards to you and others. You can use your air conditioner more efficiently by referring to the instructions below: •... - Page 3 • Do not store or use flammable gas or • If the air conditioner is installed in a small combustibles near the air conditioner. room, measures must be taken to prevent - There is risk of fire or failure of product. the refrigerant concentration from exceeding the safety limit when the refrigerant leaks.
- Page 4 CAUTION • Do not install the product where it is exposed to sea wind (salt spray) directly. Installation - It may cause corrosion on the product. • Always check for gas (refrigerant) leakage Corrosion, particularly on the condenser and after installation or repair of product. evaporator fins, could cause product - Low refrigerant levels may cause failure of malfunction or inefficient operation.
- Page 5 • Safely dispose of the packing materials. • Mechanical connections (mechanical - Packing materials, such as nails and other connectors or flared joints) shall be metal or wooden parts, may cause stabs or accessible for maintenance purposes. other injuries. Pipe-work shall be protected from physical - Tear apart and throw away plastic packaging damage.
- Page 6 Safety precautions for R32 model • Refrigerant tubing shall be protected or enclosed to avoid damage. This appliance is filled with flammable • The installation of pipe-work shall be kept to refrigerant (for R32) a minimum This symbol indicates that the •...
- Page 7 • General work area The following checks shall be applied to installations using flammable refrigerants: All maintenance staff and others working in - The actual refrigerant charge is in the local area shall be instructed on the accordance with the room size within which nature of work being carried out.
- Page 8 • Repairs to sealed components • Decommissioning During repairs to sealed components, all Before carrying out this procedure, it is electrical supplies shall be disconnected from essential that the technician is completely the equipment being worked upon prior to familiar with the equipment and all its detail. any removal of sealed covers, etc.
- Page 9 • Labelling Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and Equipment shall be labelled stating that it has shall be calibrated to the refrigerant been de-commissioned and emptied of employed and the appropriate percentage of refrigerant.
- Page 10 ● Recovery Compressed air or oxygen shall not be used for purging refrigerant systems. When removing refrigerant from a system, either for servicing or decommissioning, it is For appliances containing flammable recommended good practice that all refrigerants, other than A2L refrigerants, refrigerants are removed safely.
- Page 11 The evacuation process shall be carried out prior to returning the compressor to the suppliers. Only electric heating to the compressor body shall be employed to accelerate this process. When oil is drained from a system, it shall be carried out safely. ●...
-
Page 12: Table Of Contents
Base pan Heater operation AND OUTDOOR UNIT Target Noise Control Comfort Cooling operation <For Heat Pump System Installation> LG AI engine connection information setting option Preparation Work LG AI engine function Pipe Drawing Out during Single / Series connection Self-Diagnosis Function... -
Page 13: Installation Process
INSTALLATION PROCESS OUTDOOR UNITS INFORMATION CAUTION Indicate clearly who will be responsible for switch setting. Determination of division work Combination Ratio(50~200 %) Make connection clearly between outdoor, indoor, Preparation of contract drawings remote controller and option. Outdoor Number Connection Ratio Single outdoor units 200 % Take account of gradient... - Page 14 6 port / 8 port HR unit For Heat Recovery Installation [Unit: mm(inch)] 809 (31-27/32) Select installation location of the HR unit suitable for following conditions - Avoid a place where rain may enter since the HR unit is for indoor. - Sufficient service space must be obtained.
-
Page 15: Installation Space
INSTALLATION SPACE Seasonal wind and cautions in winter • Sufficient measures are required in a snow areas or severe cold areas in winter so that product can be operated well. Individual Installation • Get ready for seasonal wind or snow in winter even in other areas. During the installation of the unit, consider service, inlet, and outlet •... -
Page 16: Installation
CAUTION Foundation for Installation • Fix the unit tightly with bolts as shown below so that unit will not fall Be very careful while carrying the product. down due to earthquake or gust. • Do not have only one person carry product if it is more than 20 •... -
Page 17: Preparation Of Piping
Preparation of Piping Tightening Torque Pipe size A [mm (inch)] Flare shape N . m (lbs . ft) [mm (inch)] Main cause of gas leakage is defect in flaring work. Carry out correct 90° ±2 flaring work in the following procedure. Ø... -
Page 18: Plumbing Materials And Storage Methods
Nitrogen substitution method Insulation of shutoff valve Welding, as when heating without nitrogen substitution a large Use the heat insulation material for the refrigerant piping which has amount of the oxide film is formed on the internal piping. an excellent heat-resistance (over 120 °C [248 °F]). The oxide film is a caused by clogging EEV, Capillary, oil hole of Precautions in high humidity circumstance: accumulator and suction hole of oil pump in compressor. -
Page 19: Refrigerant Piping Installation
REFRIGERANT PIPING Caution Use the following materials for refrigerant piping. INSTALLATION - Material: Seamless phosphorous deoxidized copper pipe - Wall thickness : Comply with the relevant local and national regulations for the designed pressure 3.8 MPa For Heat Pump System Installation (551 psi). -
Page 20: For Heat Recovery System Installation
The Multi V will stop due to an abnormality like excessive or For Heat Recovery System Installation insufficient refrigerant. At such a time, always properly charge the unit. When servicing, always check the notes concerning both the Precautions on Pipe connection / Valve operation piping length and the amount of additional refrigerant. -
Page 21: Installation Of Outdoor Unit, Hr Unit, Indoor Unit Refrigerant Pipe
Installation of Outdoor Unit, HR Unit, Indoor Unit Refrigerant Pipe High pressure 3 pipes are connected to the HR unit from the outdoor unit, classified gas pipe into liquid pipe, low pressure gas pipe and high pressure gas pipe depending on status of refrigerant passing through the pipe. Liquid pipe Low pressurse You must connect 3 pipes from outdoor unit to HR unit. - Page 22 Caution The Multi V will stop due to an abnormality like excessive or insufficient refrigerant. At such a time, always properly charge the Use the following materials for refrigerant piping. unit. When servicing, always check the notes concerning both the piping length and the amount of additional refrigerant.
-
Page 23: Pipe Connections Between Indoor And Outdoor Unit
PIPE CONNECTIONS BETWEEN Remove leakage prevention cap • Remove the leakage prevention cap attached to the outdoor unit INDOOR AND OUTDOOR UNIT service valve before pipe work. • Proceed the leakage prevention cap removal as follows: - Verify whether all the pipes are locked. - Pipe connections can be done on the front side or on the side - Extract remaining refrigerant or air inside using the service port. -
Page 24: Refrigerant Piping System
Method of drawing out pipes on the bottom side For Heat Recovery System Installation - Drawing out common pipe through side panel Preparation Work No Use (Weld with supplied Liquid pipe accessory pipe cap) - Use Knock Outs of Base Pan of the outdoor unit for Left/Right or Bottom pipe drawing outs. -
Page 25: Pipe Drawing Out During Single / Series Connection
Pipe Drawing Out during Single / Series connection Refrigerant piping system Example : 12 Indoor Units connected Method of drawing out pipes on the front side Ⓐ : Outdoor Unit - Proceed with the pipe work as shown in the below figure for front Ⓑ... - Page 26 Refrigerant pipe diameter from branch to branch (B,C,D) Refrigerant pipe diameter from outdoor unit to first branch. (A) WARNING Pipe diameter when pipe length is ≥ * : Serial connection of HR units : Capacity sum of indoor units ≤ Standard Pipe Diameter 90 m (295 ft) or when height differential ODU.
- Page 27 Pattern 3 Pattern 7 48 k 48 k 48 k 48 k 48 k 48 k 48 k 48 k 48 k 48 k • The maximum total capacity of indoor units is 56.4 kW * : Serial connection of HR units : Capacity sum of indoor units ≤...
-
Page 28: For Heat Pump And Heat Recovery System Installation
(Table 3) Refrigerant pipe diameter from first branch to last branch (B,C,D) For Heat Pump And Heat Recovery System Installation Downward indoor unit Liquid pipe Gas pipe Pipe Connection Method between outdoor total capacity [kW(Btu/h)] [mm(inch)] [mm(inch)] ≤ 5.6(19 100) unit/indoor unit Ø... -
Page 29: Branch Pipe Fitting
Branch pipe Fitting Outdoor unit Connection WARNING Y branch Ⓐ To Branch Piping or Indoor Unit • In case of pipe diameter B connected after first branch is bigger Ⓑ To Outdoor Unit than the main pipe diameter A, B should be of the same size with A. - Page 30 • Header should be insulated with the insulator in each kit. Header [Unit:mm(inch)] Models Gas pipe Liquid pipe Insulate the header using the insulation material attached to the 360(14-5/32) branch pipe kit I.D 9.52(3/8) 120(4-23/32) I.D 12.7 as shown in the figure. I.D 6.35(1/4) I.D 9.52(3/8) I.D 12.7...
-
Page 31: Distribution Method
Distribution Method Vacuum Mode Horizontal Distribution This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement or IDU addition/replacement. Vacuum mode setting method 3rd main pipe distribution DIP-SW01 7-Segment SW04C (X : cancel) Main pipe Distribution SW03C ( : forward) SW02C ( : backward) -
Page 32: Leak Test And Vacuum Drying
Leak Test and Vacuum drying Vacuum Vacuum drying should be made from the service port provided on the outdoor Leak test unit’s service valve to the vacuum pump commonly used for liquid pipe, gas pipe and high/low pressure common pipe. (Make Vacuum from liquid pipe, gas Leak test should be made by pressurizing nitrogen gas to 3.8 MPa(38.7 pipe and high/low pressure common pipe with the service valve closed.) kgf/cm... -
Page 33: Refrigerant Charging
Refrigerant charging The amount of Refrigerant For Heat Pump System Installation The calculation of the additional charge should take into account the length of pipe and CF(correction Factor) value of indoor unit. Ⓐ Manifold Gauge Ⓑ Low Pressure Side Handle Additional charge(kg) = Total liquid pipe : Ø... -
Page 34: Thermal Insulation Of Refrigerant Piping
Thermal insulation of refrigerant piping Penetrations Inner wall (concealed) Outer wall Outer wall (exposed) Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe separately with enough thickness heat-resistant polyethylene, so that no gap is observed in the joint between indoor unit and insulating material, and insulating materials themselves. -
Page 35: Electrical Wiring
CAUTION ELECTRICAL WIRING • Use the 2-core shielded wires for communication cables. Never use Caution them together with power cables. • The conductive shielding layer of cable should be grounded to the - Follow ordinance of your governmental organization for technical metal part of both units. -
Page 36: Control Box And Connecting Position Of Wiring
Control box and connecting position of wiring Communication and Power Cables - Remove all of the screws at front panel and remove the panel by Communication cable pulling it forward. - Types : shielded wires - Connect communication cables between outdoor unit and indoor - Cross section : 1.0 ~ 1.5 mm (1.55 ×... -
Page 37: Wiring Of Main Power Supply And Equipment Capacity
Minimum Ssc Value each of indoor unit separately from the power supply. Zmax (Ω) outdoor units (kVA) Leakage The thickness of Minimum wire (mm [ inch ZRUM080LTS6 4108 circuit breaker ZRUM100LTS6 4108 Main power wire Branch wire Ground wire (4P ELCB) -
Page 38: Field Wiring
Field Wiring Example) Connection of power and communication cable Bottom Side Single outdoor unit Outdoor Power supply Voltage range(V) (3 Ø 4 wires) Frequency [Outdoor Unit] Outdoor Indoor (Main Switch) Main power terminal block R S T N 60 Hz 380 V 220 V Switch... -
Page 39: Checking The Setting Of Outdoor Units
Checking the setting of outdoor units • Initial display order Order Mean Checking according to DIP switch setting ① - You can check the setting values of the Master outdoor unit from the 8~12 Outdoor Unit capacity 7 segment LED. ②... -
Page 40: Setting For Heat Recovery Unit
Setting For Heat Recovery Unit Selection of Master/Slave Main PCB (Refer Only Heat Recovery Installation) Master Slave Switch No.5 Off Switch No.5 On Heat Recovery (HR) Unit Board Branch No. NOTE Do not turn on any SW02E on Slave Main PCB except No.5. Main PCB (2 EA, same P/No) Branch #1~4 Branch #5~8... - Page 41 SW01C (Rotary S/W for addressing HR unit) Use the Valve Group Control when 2 branches are connected with only 1 indoor unit which has higher capacity than 61 kBtu/h. Must be set to '0' when installing only one HR unit. When installing multiple HR units, address the HR units with sequentially increasing numbers starting from '0'.
-
Page 42: Automatic Addressing
Automatic Addressing Normal setting (Non-Zoning setting) Ex) Manual pipe detection of Valve #1, 6. The address of indoor units would be set by Automatic Addressing Master Master Master - Wait for 3 minutes after supplying power. (Master and Slave outdoor units, indoor units) SW01E SW02B SW01B... -
Page 43: The Procedure Of Automatic Addressing
The Procedure of Automatic Addressing The number of the indoor units connected is displayed on 7-SEG of the outdoor unit main PCB for about 1 minute - For a HR unit, the number of the indoor units connected to each Power On HR unit is displayed. -
Page 44: Flow Chart Of Auto Pipe Detection Process
Flow chart of auto pipe detection process Group Number setting Group Number setting for Indoor Units - Confirm the power of whole system(Indoor Unit, Outdoor Unit) is Confirm indoor unit’s address setting Outdoor unit is operated for 5~60 minutes. OFF, otherwise turn off. Turn No.1 DIP switch of SW02E of - The communication cables connected to CEN.A and CEN.B terminal HR unit PCB off. -
Page 45: Cool & Heat Selector
CAUTION Setting the optional function Select the mode/function/option/value using ‘▶’, ‘◀’ Button and confirm that using the ‘●’ button after DIP switch No.5 is turned on. • To perform the optional function should be sure that All the IDU is off mode, unless the function will not be performed. -
Page 46: High Static Pressure Compensation Mode
High Static Pressure Compensation mode Noise Step Noise reduction (dB) This function secures the air flow rate of ODU, in case static pressure has been applied like using duct at fan discharge of ODU. oP1~oP3, oP10 oP4~oP6, oP11 Static pressure compensation mode setting method oP7~oP9, oP12 Outdoor Unit PCB DIP switch on : No.5 CAUTION... -
Page 47: Snow Removal & Rapid Defrost
Snow removal & rapid defrost Target pressure adjusting Mode setting method Mode setting method Outdoor Unit PCB DIP switch on : No.5 Outdoor Unit PCB DIP switch on : No.5 Select the mode using ‘▶’, ‘◀’ Button : Select the mode using ‘▶’, ‘◀’ Button : “Func”... -
Page 48: Auto Dust Removal Mode
CAUTION Auto Dust Removal Mode The ability to set reverse run outdoor fan to remove dust, heat • Ask an authorized technician to setting a function. exchanger. • If use a function, first install a Central controller. Mode setting method Outdoor Unit PCB DIP switch on : No.5 ODU Fan Max. -
Page 49: Humidity Reference
Humidity Reference Compressor Input Current Limit Mode setting method System Input Current Control Mode setting method Outdoor Unit PCB DIP switch on : No.5 Outdoor Unit PCB DIP switch on : No.5 Select the mode using ‘▶’, ‘◀’ Button : “Func”... -
Page 50: Overall Defrost Operating In Low Temperature (Heating)
Overall Defrost Operating in Low temperature Target Noise Control (Heating) Mode setting method Mode setting method Outdoor Unit PCB DIP switch on : No.5 Outdoor Unit PCB DIP switch on : No.5 Select the mode using ‘▶’, ‘◀’ Button : “Func”... - Page 51 OTG Port On-Boarding terminal (for developers) ⑦ USB Port USB port ⑧ Ethernet Port Ethernet port ※ The USB Port and the Ethernet port of the LG AI engine are for service use and are not used during product operation.
- Page 52 AI energy customized operation & convenient check AI Smart diagnosis • AI energy target control is a function that allows the user to set the • The smart diagnosis is a function that generates an AI Smart desired Energy usage. diagnosis report after analyzing the operation status of the system and carrying out failure diagnosis by applying an AI diagnosis - The AI algorithm analyzes past Energy usage and assists the user...
- Page 53 In addition, if a consumer sends an e-mail to opensource@lge.com to request the open source code of the software installed in this product, LG Electronics receives the minimum cost required for delivery, such as media costs and transportation costs, and contains it in a storage medium in order to provide same.
- Page 54 Open Source Licenses Copyright bzip2 1.0.8 bzip2-1.0.6 Copyright (c) 1996-2019 Julian R Seward. codeaurora-imx-optee-client BSD-2-Clause Copyright (c) 2015, Linaro Limited 4.14.98 codeaurora-imx-optee-os BSD-2-Clause Copyright (c) 2015, Linaro Limited 4.14.98 Copyright (c) 1998-2000 Thai Open Source Software Center Ltd and Clark Cooper expat 2.2.5 Copyright (c) 2001-2017 Expat maintainers Freescale-yocto-udev-rules-...
- Page 55 Self-Diagnosis Function Error Indicator - This function indicates types of failure in self-diagnosis and occurrence of failure for air condition. - Error mark is displayed on display window of indoor units and wired remote controller, and 7-segment LED of outdoor unit control board as shown in the table.
- Page 56 Display Title Cause of Error The first start failure by Outdoor Unit Inverter Compressor Outdoor Unit Inverter Compressor Start Failure abnormality or Compressor locked Outdoor Unit Inverter Compressor Over Current Outdoor Unit Inverter Compressor Fault OR Drive Fault Outdoor Unit Inverter Compressor 1 High Outdoor Unit Inverter Compressor 1 High Discharge Temperature Discharge Temperature Outdoor Unit Inverter Compressor 2 High...
- Page 57 Display Title Cause of Error Outdoor Unit Fan DC Link Low Voltage Error Outdoor Unit Fan DC Link Input Voltage is under 380 V Outdoor Unit Liquid pipe Temperature Sensor Error Liquid pipe temperature sensor of Outdoor Unit is open or short Outdoor Unit Subcooling Inlet Temperature Outdoor Unit Subcooling Inlet Temperature Sensor Error Sensor Error...
- Page 58 SPECIAL REQUIREMENTS Flow chart For Installation Is the area of A satisfied? Installation = (m / (2.5 x (LFL) (5/4) ≤ 15.964 kg not less than A / (0.75 x LFL x h Installation by adding natural ventilation *Refer to Table 1 *Refer to Table 2 Is the area of A satisfied?
- Page 59 Table 1 (Minimum installation required area) Minimum installation required area (m Minimum installation required area (m Total amount of Total amount of Ceiling mounted Wall mounted Ceiling mounted Wall mounted refrigerant in the system (kg) refrigerant in the system (kg) : 2.2 m) : 1.8 m) : 2.2 m)
- Page 60 Table 2 (Minimum installation required area) For the lower opening: - It is not an opening to the outside - The opening cannot be closed - The opening must be ≥ Anv - The area of any openings above 300 mm from the floor does not count when determining Anv - At least 50% of Anv is less than 200 mm above the floor - The bottom of the lower opening is ≤100 mm from the floor...
- Page 61 INSTALLATION GUIDE AT THE Model Designation SEASIDE Product information CAUTION • Product Name : Air conditioner • Model Name : • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. Product Sales Name Model Factory Name •...
- Page 63 LG Electronics Inc. Single Point of Contact (EU/UK) : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands Manufacturer : LG Electronics Inc. 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA UK Importer : LG Electronics U.K. Ltd...