Related Manuals for LG THERMA V Split
Summary of Contents for LG THERMA V Split
- Page 1 Split Comprehensive application and installation manual Visual Elements Logo Life’s Good...
- Page 2 Navigation Bar The different category are shown at the side. So, you can go directly to the index page with a single click.
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Page 3: Table Of Contents
Ⅰ. Introduction 1. Overview 2. Cycle Diag ram 3. Product Diagram Ⅱ. System Design Application 1. System 1 2. System 2 3. System 3 4. System 4 5. System 5 6. System 6 7. System 7 8. System 8 9. System 9 10. - Page 4 Split I. Introduction 1. Overview 2. Cycle Diagram 3. Product Diagram...
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Page 5: Overview
Cooling mode. Unit Outdoor air temperature CN_AIR sensor Condenser middle temperature CN_MID sensor [Floor heating] [FCU] [Radiator] [Hotwater] Electronic Expansion Valve CN_LEV1 [Floor heating] [Floor heating] [Hotwater] [FCU] [FCU] [Radiator] [Radiator] [Hotwater] _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... -
Page 6: Product Diagram
3. Product Diagram Split Water components 289.6 II. System Design Applications 1. System 1 2. System 2 3. System 3 4. System 4 5. System 5 6. System 6 7. System 7 8. System 8 9. System 9 10. System 10 84.5 76 41 11. - Page 7 Temp. sensor Temp. sensor Temp. sensor DHW tank Temp. sensor *DHW : Domestic hot water *DHW : Domestic hot water **Booster Heater : Heater installed in tank **Booster Heater : Heater installed in tank _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
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Page 8: System 1 014
Air temperature sensor is an option and needs P/n : PQRSTA0 Installation to be purchased and installed separately. • Dip s/w Setting Installer setting Remote controller needs to be set up separately. • Dip s/w Setting _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... -
Page 9: System 3 017
If not applied, and tank kit is not used Enter installer setup mode, then Set Remote sensor active “Use” Set Temp. sensor selection “Air” . • Dip s/w Setting Press ‘up’ for 3 sec Press ‘up’ for 3 sec _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... -
Page 10: System 4 019
Select on installer setup whether to use booster heater alone or both backup heater and booster heater. Enter installer setup mode, then • Dip s/w Setting Complete Heater priority configuration. Press ‘up’ for 3 sec Press ‘up’ for 3 sec _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... - Page 11 DHW Tank Kit must be used for communication between DHW tank and indoor unit. It’s for communication with the DHW tank which has electric heater. Relay contactor ELB(MCCB) port no. port no. assignment assignment _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 12 Sterilization is required in order to suppress germs in water stored in tank when installing DHW tank. Set up whether to enable sterilization operation, sterilization temperature and duration. WATER WATER WATER WATER TANK TANK TANK TANK HEATER HEATER HEATER HEATER _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
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Page 13: System 5 024
3WAY VALVE: 3WAY VALVE (A) - 230 V AC SPDT 3-wire type - SPACE HEATING: TB1'S 9 and 10 are activated - WATER TANK HEATING: TB1's 8 and 10 are activated _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... -
Page 14: System 6 027
Select on installer setup whether to use booster heater alone or both backup heater and booster heater. Installer setting of remote controller Installer setting needs to be set up separately. • Dip s/w Setting Press ‘up’ for 3 sec _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... - Page 15 Voltage 220-240 V, 50 Hz Protection class IP20 Starting position normally closed temperature -40~65 °C Wire Function a = brown Line(Power supply) b = blue neutral c = green / yellow earth (ground) _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
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Page 16: System 7 030
• Instaling dry contact LG Dry Contact is a solution for automatic control of air conditioning system at the owner's behest. In simple words, it's a switch which can be used to turn the unit On/Off after getting the signal from... -
Page 17: System 8 033
Thermostat Installation Spec : 230V be purchased and installed separately. Remote controller does not need to be Installer setting set up separately. • Dip s/w Setting _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... -
Page 18: System 9 035
(N) : Neutral signal from PCB to thermostat Installer setting be set up separately. (C) : Cooling signal from thermostat to PCB (H) : Heating signal from thermostat to PCB Thermostat Thermostat • Installer setting: N/A. _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... -
Page 19: System 10 037
Valves include remote sensor type, contact probe and thermostatic type, and select one depending on operation while external tank provides stable flow. site conditions. Control is made separately and not in conjunction with LG product. Install as per requirements of manufacturer. • Necessary configuration and feature Dip s/w No. -
Page 20: System 11 039
Remote controller needs to be set Installer setting up separately. Thermost A network-enabled smartphone, a router, the LG SmartThinQ app and a Wi-Fi modem are needed in Buffer tank External pump order to use the app and its functions. Additional power •... - Page 21 6. Attach the Wi-Fi modem to a wall or ceiling near the router. (Use the included double-sided tape to • Control configuration fix it in place.) Internet 3G/4G, Wi-Fi Wi-Fi Modem User’s Router ThinQ Server SmartThinQ Indoor unit App_Phone _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 22 Tap the “ + “ button. Tap the “ + “ button. There are diverse ways to make an account and register the product other than the aforementioned way. Refer to user manual. _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
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Page 23: System 12 044
DHW tank heating WATER WATER 3WAY VALVE 3WAY VALVE PUMP TANK HEATER water flow switching between using turn on or off DHW solar thermal heating and skipping tank heater _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics solar thermal heating... - Page 24 Split Terminal Block 1 energizing water water flow switching between under floor heating and pump for solar thermal system DHW tank heating III. Configuration energizing water water flow switching between WATER WATER pump for solar under floor heating and 3WAY VALVE 3WAY VALVE PUMP TANK...
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Page 25: Controller Configuration
The product yields hot water to use in under floor heating or FCU heating. Dhw lock In this mode, heating setpoint is automatically determined by pre-defined temperature Simple timer AI / Auto profile. Sleep timer Timer Turn-on reservation Turn-off reservation _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... - Page 26 For setting up FCU and setting temperature to stop water supply cooling Tank disinfection setting 1 Setting up sterilization function and date/time to activate it Tank disinfection setting 2 Setting up target temperature and duration of sterilization _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
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Page 27: Dip S/W Setting
• 6 on + 7 off : Electric heater is not used 7 on Thermostat installation • 8 off : Thermostat is NOT installed 8 off information • 8 on : Thermostat is installed Dip S/W OFF is selected ON is selected [PCB] _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... - Page 28 Split IV. Installation Checklist 1. Checklist 2. Test run...
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Page 29: Checklist
Is there a proper protective measure or earthing Electric Common against lightning? Is capacity of power lines and circuit breaker se- lected based on the latest catalogue of LG Electron- ics and is pull-in power for both indoor and outdoor units normal? Electric Common... - Page 30 After the system is found to be free of leaks, relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen cylinder. When the system pressure is reduced to normal, disconnect the hose fromthe cylinder. _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 31 5. Replace the valve caps at both gas and liquid side gauge service valves and fasten them tight. Open Open This completes air purging with a vacuum pump. The air conditioner is now ready to test run. Vacuum pump _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 32 Step 4. Detach the Installation sheet. Screw bolts at the hole marks on the wall. When screwing bolts, use M8 ~ M11 anchor bolts to secure hanging the indoor unit. _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 33 • Be sure to remove the Pallet(Wood Support) of the bottom side of the unit before welding. Not removing Pallet(Wood Support) causes hazard of fire during welding. Minimum service space (unit : mm) [Ex. Installation of indoor unit] _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 34 - Place that has no direct influence from snow or rain - Place with no danger of snowfall or icicle drop - Place without weak floor or base such as decrepit part of the building or with a lot of snow accumulation _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 35 2) Difficult to make layout Water flow rate Water flow rate Water flow If select 20 A : 1) High Pressure drop by high Pressure drop Pressure drop velocity 2) Noise Velocity Pipe dia Water flow _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 36 Ethylene glycol 12.8 33.5 propylene glycol 15.5 Ethanol 24.8 37.3 42.2 Indoor Indoor Water piping is buried underground or exposed Under Indoor Indoor Water piping is buried underground or exposed Underfloor _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 37 Supply tap water until pressure is stabilized and maintained, and start supplying tap water when pressure reaches minimum of 0.3bar. Pressure gauge: Field scope (option) Underfloor Supply tap water [Strainer_No flushing done] [Strainer_Fine] [Pressure gauge [Pressure gauge inside product] inside piping] _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 38 - At the water inlet/outlet pipe of the heat pump and heat exchanger - At each branch piping connected to the main piping, when connecting multiple heat pumps Dissolved gas Magnetic strainer Outlet Inlet Air trap area Filter Magnet [Magnetic filter] _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
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Page 39: Test Run
OFF button is pressed. Run up to 1 hour and pump will stop automatically. Thermostat Buffer tank External pump Additional power [Design & Installation Scene] Buffer tank [Design & Installation Scene] _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics... - Page 40 • Main PCB assembly be tight (Inverter) is abnormal • Main PCB assembly (Heater) is abnormal • Electrical or mechanical • This error can not be PCB program (EEPROM) fault damage the EEPROM permitted _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 41 DHW is not hot. tion manual of DHW tank.) DHW heating is • Select DHW heating operation and identify if disabled. icon is displayed on the remote controller. _COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL LG Electronics...
- Page 42 2.3 LG MV Cooling Mode Heating Mode Mode Item Unit Cause & Check Point Normal Abnormal Condition Condition Mode Item Unit Cause & Check Point Normal Abnormal Overcharging, Outdoor Unit Fan lock, Condition Condition Above Poor airflow in outdoor unit heat-exchang-...
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Page 45: Split
Comprehensive application Visual Elements Logo and installation manual Split LG Electronics Home Appliance & Air Solution Company, Air Solution Division Publisher Issued date July 2018 Adress LG Electronics Gasan A B/D, 56, Digital-ro 10-gil, Geumcheon-gu, Seoul, Korea http://partner.lge.com Life’s Good...