Related Manuals for LG Therma V R32 Gen3
Summary of Contents for LG Therma V R32 Gen3
- Page 1 LG Therma V R32 Gen3 Typical Installation with Third Party controls Installation and Setup Monobloc system Rev 1.0 January 14 2022...
- Page 2 This manual is designed to be a quick guide to the most common type of installation for a LG Therma V R32 Monobloc system. This assumes heating via Buffer Tank, domestic hot water via a cylinder with sensor pocket and immersion heater, 3 port valve controlled Via the LG controller and Heating Control Via Third Party.
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Page 3: Warranty
Warranty Please check the following before commencing startup as they are important conditions of the LG warranty. • A strainer with a minimum 400 microns must be installed, in addition a Magnetic filter and flow setter are strongly recommended. •... -
Page 4: Power Supply
Power Supply MonoBloc units require one power supply Power supplies sizes are- The Following Points must be followed RCD – Type C. Rotary Enclosed Isolation switch – IP65. Mandatory electricity meter fitted within an enclosed box. Ensure power cable does not touch refrigerant pipework. -
Page 5: Control Wiring
Control Wiring This shows a basic wiring schematic for a Heating and Domestic hot water system as for the hydraulic drawing on the first page. Connections are made to the directly to the Monoblock via the 1 wiring centre as shown below: *Wiring back to terminals differs on older models until August 2020 Third Party controls should be wired through terminal 17 (L) and terminal 20 (L2) using a NO Relay. -
Page 6: Dip Switch Settings
We recommend that all power supplies to heating pumps and immersion heaters Should go through local points of isolation via Switched fuse spurs. • The tank sensor is not a generic item and LG approved sensors should only be used. • Any Immersion heater stats should be set to maximum. -
Page 7: Pre-Start Check
• The power supply to the mono-bloc must have been on 6hr prior to starting. • Check all electrical and wiring connections are as per LG spec • Make sure that all hydraulic connection is as per LG spec •... -
Page 8: Software Version
Starting the unit for First Time Power up the unit. 1. Press the Right hand button and Select Menu, Confirm with OK 2. Use the Right hand button Select Setting, Press and Hold the up Button for 3 Seconds 3. 4 square boxes are shown enter the Password (this is the software version in the right hand bottom corner of the screen). - Page 9 1:00am Force end (time) 1 Main+Booster Heater ON AS ABOVE www.seconrenewables.com T: 0191 516 6554 info@seconrenewables.com...
- Page 10 35֯ c 50֯ c * (LW1) Dependant on Field Settings Water2, Heat Heating Lower Water Temp 28֯ c 30֯ c * (LW2) Controler Video: LG Therma V R32 Monobloc Installer Setting Guide - Bing video www.seconrenewables.com T: 0191 516 6554 info@seconrenewables.com...
- Page 11 Please See Earlier Section Regards Antifreeze Levels To use this function, the antifreeze short pin must be open and switch No.2 in Option SW 3 must be Test Run of Heating Pump Within the Installer menu Select Pump test run Through out this process the Flowrate should be observed to check it meet MI.
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Page 12: Troubleshooting
The System can now be put into normal Operation Trouble Shooting Problem Reason Solution • Set target temperature correct • Check if temperature is water-based or air-based • Setting target temperature is See "Remote sensor active' 'Temp. sensor selection' in Chapter6. proper. -
Page 13: Error Codes
Error Codes Code No. Description Cause Normal Condition Problem in remote room air sensor • Resistance: 10 kO at 25 centigrade Problem in refrigerant (inlet side) sensor (unplugged) -+ for Remote room air sensor Problem in refrigerant (outlet side) sensor •... - Page 14 • Thermal fuse is cut off by abnormal • This error overheating of internal electric will not be happened if heater temperature of electric heater tank is Thermal fuse is damaged • Mechanical fault at thermal fuse below 80 °C •...
- Page 15 • Overload operation (Outdoor fan • Check outdoor fan constraint/ constraint, screened, blocked) High temperature in Discharge pipe of the • Refrigerant leakage (insufficient) screened/ flow structure inverter compressor • Check refrigerant leakage • Poor INV Comp Discharge sensor • Check if the sensor is normal •...
- Page 16 Prevention of phase unbalance and Open and Reverse Phase Error prevention of reverse rotation of Main power wiring fault constant-rate compressor PCB(lnverter) & Main EEPROM check sum error 1. EEPROM contact defect/wrong insertion EEPROM Access error and Check SUM 2. Different EEPROM Version error 3.
- Page 17 First two weeks: Blocked filters and/or air pockets Flow rate alarms are likely to occur during the first two weeks after commissioning; this is due to the formation of air-pockets which may occur and temporarily affect the flow-rate. In most cases, the air will migrate to the auto-air vents (AAV) and release without any requirement for intervention.
- Page 18 Have you visited our web shop yet? www.seconrenewables.com Secon Renewables, Unit 87, Business & Innovation Centre, Wearfield, Sunderland SR5 2TH 0191 516 6554 info@seconrenewables.com W:www.seconrenewables.com www.seconrenewables.com T: 0191 516 6554 info@seconrenewables.com...