Table of Contents
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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.
TYPE :
Hydro Kit
P/NO : MFL67212810
(For High Temperature)
www.lg.com
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Table of Contents
Related Manuals for LG ARNH08GK3A2
Summary of Contents for LG ARNH08GK3A2
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Page 1: Installation Manual
• 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. TYPE : (For High Temperature) Hydro Kit www.lg.com P/NO : MFL67212810... -
Page 2: Table Of Contents
Hydro Kit Installation Manual TABLE OF CONTENTS 1. SAFETY PRECAUTIONS......................3 2. INSTALLATION PARTS .......................6 3. GENERAL INFORMATION ......................7 MODEL INFORMATION........................7 4. INSTALLATION ..........................8 TRANSPORTING THE UNIT ......................8 SELECTION OF THE BEST LOCATION ..................9 INSTALLATION SPACE ........................9 FOUNDATION FOR INSTALLATION ..................10 WATER PIPING AND WATER CIRCUIT CONNECTION ............11 SANITARY WATER TANK AND SANITARY WATER TANK KIT ..........14 INSTALLATION SCENES ......................16... -
Page 3: Safety Precautions
Safety Precautions 1. Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be fol- lowed. n Be sure to read before installing the unit. n Be sure to observe the cautions specified here as they include important items related to safety. n Incorrect operation due to ignoring instruction will cause harm or damage. - Page 4 Safety Precautions Be sure the installation area does not deteri- Do not install the water pipe system as orate with age. Open loop type. • If the base collapses, the unit could fall with it, • It may cause failure of unit. causing property damage, unit failure, and per- sonal injury.
- Page 5 Safety Precautions Turn the main power off Take care to ensure that no- For installation, always con- when cleaning or maintain- body could step on or fall tact the dealer or an Author- ing the unit. onto the unit. ized Service Center. •...
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Page 6: Installation Parts
Installation Parts 2. Installation Parts Thank you for choosing LG Electronics Hydro Kit. Before starting installation, please make it sure that all parts are found inside the unit box. Item Image Quantity Installation Manual INSTALLATION MANUAL AIR CONDITIONER • Please read this installation manual completely before installing the product. -
Page 7: General Information
By Interfacing to various accessories user can customize the range of the application. Model Information Model name and related information Hydro Kit (For High Temperature) Type Model Unit ARNH08GK3A2 ARNH04GK3A2 Power Supply Ø, V, Hz 1, 220-240, 50 13.8 Capacity Heating... -
Page 8: Installation
Installation 4. Installation Transporting the Unit • When carrying the suspended unit, pass the ropes between legs of base panel under the unit. • Always lift the unit with ropes attached at 6 points so that impact is not applied to the unit. •... -
Page 9: Selection Of The Best Location
Installation Selection of the best location 1. Select space for installing the unit, which will meet the following conditions: • The place where the unit shall be installed inside. • The place shall easily bear a load exceeding four times of the unit weight. •... -
Page 10: Foundation For Installation
Installation Foundation for Installation • Fix the unit tightly with bolts as shown below so that the unit will not fall down due to earthquake. • Noise and vibration may occur from the floor or wall since vibration is transferred through the in- stallation part depending on installation status. -
Page 11: Water Piping And Water Circuit Connection
Installation Water Piping and Water Circuit Connection General Considerations Followings should be considered before beginning water circuit connection. • Service space should be secured. • Water pipes and connections should be cleaned using water. • Space for installing external water pump should be provided. •... -
Page 12: Water Cycle
Installation Water cycle * For the water pipe system, use the closed loop type. 1. For the parts of the water pipe system, use the parts above the design water pressure. 2. For the water pipe, do not use steel pipe. 3. - Page 13 Installation * Water tank & Floor heating installation 1. Use the pump (1) with sufficient capacity to assure loss of overall water pressure and to supply water to the Hydro Kit. 2. Install the shut-off valve (2) on both sides of the pump to clean and repair the pump. 3.
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Page 14: Sanitary Water Tank And Sanitary Water Tank Kit
Installation Strainer - Use the 50 mesh strainer. (Exclude scale diameter of 0.4mm or less and other net) - Check the strainer direction and assemble on the inlet hole (Refer to picture) - Wrap the Teflon tape on the screw thread of the water pipe for more than 15 times for assembly. - Install the service port facing downward. - Page 15 Installation Water tank temperature sensor connection • If hot water mode is used, make sure to install sensor to water tank. Process PT 1/2 inch • Make PT15A female bolt hole in the water tank, female bolt and install sensor in the water tank. •...
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Page 16: Installation Scenes
Installation Installation Scenes Some installation scenes are presented for example. As these scenes are conceptual figures, in- staller should optimize the installation scene according to the installation conditions. 1) Floor Heating only (Without mixing tank) Fan coil unit Floor heating loop Radiator 2) Floor Heating only (With mixing tank) Fan coil unit... -
Page 17: Water Quality
Installation Water Quality Water quality should comply with EN 98/83 EC Directives. Requirement for resolved chemical ingre- dients is following table. Detailed water quality condition can be found in EN 98/83 EC Directives. Parameter Value Parameter Value Acrylamide 0.10 μg/ Fluoride 1.5 mg/ Antimony... -
Page 18: Refrigerant Piping
Installation Refrigerant Piping Cut the pipes and the cable - Use the accessory piping kit or the pipes Copper Slanted Uneven Rough tube purchased locally. 90° - Measure the distance between the indoor and the outdoor unit. - Cut the pipes a little longer than measured distance. - Page 19 - One connection of refrigerant pipe for HR unit is insufficient for the flow of refrigerant. Join two pipes with a branch pipe when connecting the Hydro Kit (Up to 16kW (54kBut/h) capacity model: ARNH08GK3A2). - The pipe number of the connected gas pipe and Ø15.88 Gas pipe liquid pipe must be same.
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Page 20: How To Connect Wirings
Power cable Power cable Make sure to tighten so that the screw of the ter- minal does not get loose. ARNH08GK3A2 ARNH04GK3A2 Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit con- nection. -
Page 21: Connecting Cables
Installation Connecting Cables Types of the cables Classification types Cable cross section Power cable(CV) x cores 4.0 x 3 Communication cable(VCTF-SB) x cores 1.0~1.5 x 2 The distance between communication cable and power cable - If the power cable and communication cable are tied together, system malfunction may occur with electrostatic, electromagnetic combination effect causing the interference signal. -
Page 22: Accessories Installation
• Connect 3way valve, if both floor heating and hot water is used. • Connect the separately purchased thermostat. • Dry contact is an accessory supplied by LG and installed by referring to the attached installation manual. • 3way valve, thermostat and pump are external parts for installation, which are not supplied by LG. -
Page 23: Installation Of Wired Remote Controller
Accessories Installation Installation of Wired Remote Controller 1. Please fix tightly using provided screw after placing remote controller setup board on the place where you like to setup. - Please set it up not to bend because poor setup could take place if setup board bends. Please set up remote controller board fit to the reclamation box if there is a reclamation box. - Page 24 Accessories Installation 4. Please connect indoor unit and remote controller using connection cable. Male plug ends Please check if connector is normally connected. Hydro Kit Female plug ends Optional extension cable (purchased separately) 5. Please use extension cable if the distance between wired remote controller and indoor unit is more than 10m.
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Page 25: Main Pump Connection
Accessories Installation Main Pump Connection • Select the suitable pump by referring to the flow rate table with water tem- Pump perature difference between the entrance and the exit. (main) *It is recommended that the flow rate is 36LPM. • Use the pump with enough capacity to guarantee the loss of entire water pressure and to supply the Hydro Kit with water. -
Page 26: Thermostat
Accessories Installation Thermostat Thermostat is generally used to control the unit by air temperature. When thermostat is connected to the unit, the unit operation is controlled by the thermostat. Installation Condition CAUTION 1. USE 1~230 V Thermostat. 2. Some electro-mechanical type thermostat has internal delay time to protect compressor. In that case, mode change can takes time more than user's expectation. -
Page 27: How To Wire Thermostat
Accessories Installation General Information Hydro Kit supports following thermostats. Type Power Operating Mode Supported Mechanical (1) 1~ 230 V Heating Only (3) Electrical (2) 1~ 230 V Heating Only (3) (1) There is no electric circuit inside the thermostat and electric power supply to the thermostat is not required. - Page 28 Accessories Installation Final Check • DIP switch setting : Set DIP switch No. 8 to ʻONʼ. Otherwise, the unit can not recognize the thermostat. • Remote Controller : - ʻThermostatʼ icon is displayed on the remote controller. - Button input is prohibited. Thermostat Icon NOTICE Thermostat Operation with Remote Controller...
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Page 29: Remote Temperature Sensor
Accessories Installation Remote Temperature Sensor Remote temperature sensor can be installed any place a user wants to detect the temperature. How to Install Remote Temperature Sensor Step 1. After deciding where the remote temperature sensor is in- stalled, decide the location and height of the fixing screws. (Interval between the screws : 60mm) Fixing screws 60mm... -
Page 30: 3Way Valve
Accessories Installation 3Way Valve 3way valve is required to operate sanitary water tank. Role of 3way valve is flow switching between under floor heating loop and water tank heating loop. General Information Hydro Kit supports following 3way valve. Type Power Operating Mode Supported Selecting “Flow A”... - Page 31 Accessories Installation Final Check • Flow direction : - Water should flow from water outlet of the unit to sanitary tank water inlet when sanitary tank heating is selected. - To verify the flow direction, check temperature at the water outlet of the unit and water inlet of sanitary water tank.
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Page 32: Dry Contact
Accessories Installation Dry Contact LG Dry Contact is a solution for automatic control of HVAC system at the owner's best. In simple words, it's a switch which can be used to turn the unit On/Off after getting the signal from external sources like key-in lock, door or window switch etc specially used in Hotel rooms. -
Page 33: System Set-Up
System Set-Up 6. System Set-Up As Hydro Kit (For High Temperature) is designed to satisfy various installation environment, it is important to set up system correctly. If not configured correctly, improper operation or degrade of per- formance can be expected. DIP Switch Setting •... -
Page 34: Group Control Setting
System Set-Up Group Control Setting Group Control - Wired remote controller 1 + Many of Hydro Kit Slave Slave Slave Master Only connect serial signal and GND lines Display Error Message between slave indoor unit Signal 12 V Master - Dip Switch in PCB ¿... - Page 35 System Set-Up CAUTION • Indoor unit(Hydro Kit)ʼs group setting is possible which connected same outdoor unit. • To install Master and Slave indoor unit, the Dip Switch setting should be same. • Group control is not possible between hydro kit and air conditioner. •...
- Page 36 System Set-Up NOTICE Emergency Operation • Definition of terms - Trouble : a problem which can stop system operation, and can be resumed temporally under limited operation without certificated professional's assist. - Error : problem which can stop system operation, and can be resumed ONLY after certificated professional's check.
- Page 37 System Set-Up • Following features are permitted in emergency operation : Operation On/Off VIEW TEMP button(*) Temperature adjusting button(**) Sanitary water heating button (*) : Temperature measured by failed sensor is displayed as ʻ- -ʼ. (**) : The unit is not turned on/off according to the setting temperature at the remote controller. It is turned on/off according to the thermostat signal.
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Page 38: Installer Setting
System Set-Up Installer Setting How to enter installer setting mode CAUTION Installer setting mode is to set the detail function of the remote controller. If the installer setting mode is not set correctly, it could cause problems to the unit, user injury or property damage. - Page 39 System Set-Up Summary Example of Fuction Code Display Function Code Value #1 Value #2 Function Default Value #1 Value #2 Remark Disable 3 Min. Delay 02:01 01 : NOT connected. Remote Air Sensor Connection 03:01 02 : connected. 01 : Celsius Celsius/Fahrenheit Switching 04:01 02 : Fahrenheit...
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Page 40: Common Setting
System Set-Up Common Setting • Function Code 02 : Disable 3 minute Delay Only used for an inspection in a factory. • Function Code 03 : Remote Air Sensor Connection If remote air sensor is connected to control the unit by room air temperature, the connection infor- mation should be notified to the unit. -
Page 41: Temperature Range Setting
System Set-Up Temperature Range Setting • Function Code 13 : Setting Air Temperature in Heating Mode Determine heating setting temperature range when air temperature is selected as setting tempera- ture. CAUTION Only available when remote air temperature sensor is connected. •... -
Page 42: Temperature Control Parameter Setting And Etc
System Set-Up Temperature Control Parameter Setting and Etc • Function Code 23, 24, and 25 : Setting Weather-dependent operation Weather-dependent operation is that the unit automatically adjusts target temperature (leaving water or room air) according to the outdoor air temperature. - Value #1 and Value #2 of Function Code 23 : range of outdoor air temperature - Value #1 and Value #2 of Function Code 24 : range of auto-adjustable target room air temperature - Value #1 and Value #2 of Function Code 25 : range of auto-adjustable target leaving water tem-... - Page 43 System Set-Up • Function Code 26 and 27 : Setting Disinfection operation Disinfection operation is special sanitary tank operation mode to kill and to prevent growth of viruses inside the tank. - Value #1 of Function Code 26 : Selecting disinfection operation mode. ʻ00ʼ for setting disinfection mode off, and ʻ01ʼ...
- Page 44 System Set-Up • Function Code 28 and 29 : Setting control parameter for Sanity water heating operation Descriptions for each parameters are as following. - Value #1 of Function Code 28 : temperature gap from Value #2 of Function Code 28. - Value #2 of Function Code 28 : maximum temperature.
- Page 45 System Set-Up • Function Code 2E and 2F : Changing thermal on/off temperature Select Thermal on/off Temperature gap. 2E : Room Air temperature Th On Th Off Th On Th Off -0.5°C 1.5°C -2°C 2°C 4°C 6°C -6°C 4°C 2°C 4°C -2°C 4°C...
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Page 46: Test Run
Test Run 7. Test Run Caution before Operation Test • Check whether water flow is smoothly supplied. • Check whether the flow switch properly operates. • Check whether the connection status is good. • Check whether the power cable and communication cable are completely connected. •... -
Page 47: Troubleshooting
Test Run Troubleshooting • This function displays the disorder types at the self diagnostics and the occurrence of the dis- order for the product. • The disorder display shows the code in the following table on the red/green LED of the wired remote controller and outdoor unit control board. - Page 48 Test Run Inverter PCB error display method Red LED means error number 10 digits, and green LED means 1 digit, and if red and green blink at the same time, it means the unit of 100. Ex) When red and green LED blink once at the same time, and red LED blinks once, and green LED blinks once: error number 115 Error No.