LG Therma V R32 Gen3 Скачать руководство пользователя страница 13

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Error Codes

Code No.

Description

Cause

Normal Condition

Problem in remote room air sensor

•

Incorrect connection between

sensor and PCB(Heater).

•

PCB(Heater) fault

•

Sensor fault

•

Resistance: 10 kO at 25 centigrade

(unplugged) -+ for Remote room air

sensor

•

Resistance: 5 kO at 25 centigrade

(unplugged)-+ for all sensors EXCEPT

remote room air sensor

•

Voltage: 2.5

DC at 25 centigrade

(plugged) (for all sensors)

•

Refer resistance-temperature table to

check in different temperature

Problem in refrigerant (inlet side) sensor

Problem in refrigerant (outlet side) sensor

Problem in

water

tank sensor

Problem in solar pipe sensor

Problems in sensors

Problem in

water-inlet

sensor

Problem in

water-outlet

sensor

Problem in electric heater outlet sensor

BLOC Water pump Lock

Restriction of BLOC Water pump

•

BLOC Water pump defect/

assembly condition abnormal

•

Fan lock by foreign material

Bad communication between remote

controller and unit.

•

Incorrect connection between

sensor and PCB(Heater)

•

PCB(Heater) fault

•

Sensor fault

•

Wire connection between remote

controller and Main PCB

assembly(Heater) should be tight

•

Output

voltage

of PCB should be 12 V

Bad communication between Main PCB

assembly(Heater) and Main PCB assembly(lnverter)

of the unit.

•

The connector for transmission is

disconnected

•

The connecting

wires

are

misconnected

•

The communication line is broken

•

Main PCB assembly(lnverter) is

abnormal

•

Main PCB assembly(Heater) is

abnormal

•

Wire connection between remote

control panel and Main PCB

assembly(Heater) should be tight.

PCB program (EEPROM) fault

•

Electrical or mechanical damage a

the EEPROM

•

This error can not be permitted

Problem in flow switch

•

Flow switch is open

while

internal

water

pump is

working

•

Flow switch is closed

while

internal

water

pump is not

working

•

Flow switch is open

while

DIP

switch No. 5 of Main PCB
assembly(Heater) is set as on

•

Flow switch should be closed

while

internal

water

pump is

working

or DIP

switch No. 5 of Main PCB

assembly(Heater) is set as on

•

Flow switch should be open

while

internal

water

pump is not

working

Water pipe overheated

•

Abnormal operation of electric

heater

•

Leaving

water

temperature is

above 72

°C.

•

If there is no problem in electric heater

control, possible maximum leaving

water

temperature is 72

°C

Содержание Therma V R32 Gen3

Страница 1: ...LG Therma V R32 Gen3 Typical Installation with Third Party controls Installation and Setup Monobloc system Rev 1 0 January 14th 2022 ...

Страница 2: ...set the room temperature at different times of the day The heat pump controls the domestic hot water temperature itself including for an optional sterilization cycle and is assisted by the immersion heater 2 port valves MUST not to be used upstream of the buffer The hot water control is managed through the LG controller Hot water takes priority over heating There is no electric heater inside the m...

Страница 3: ...t we would recommend no less than 2m Allowance for the condensate to soakaway via a soakaway of to drain not to allow ice formation around the unit Anti freeze is recommended to protect again frost damage this should be premixed and added to the system we will go into further detail later The water quality should be tested against LG Requirements The Mains power must be turned on 6 Hours before st...

Страница 4: ...y Power supplies sizes are All Electrical cable sizes should be checked on site by a NICEIC qualified electrician The Following Points must be followed o RCD Type C o Rotary Enclosed Isolation switch IP65 o Mandatory electricity meter fitted within an enclosed box o Ensure power cable does not touch refrigerant pipework ...

Страница 5: ...t page Connections are made to the directly to the Monoblock via the 1st 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 Please see below schematic for single Zone operation through 3rd party controls this should be integrated with the above for DHW control...

Страница 6: ...firmed with the LG manual All Electrical work should be completed by NICEIC approved Electrician DIP Switch Settings The unit contains a number of DIP switches these must be set prior to powering up the unit in order to allow the unit to operate correctly and to allow some features to function The Dip Switches are laid out as the diagram below SW2 1 Off Master 2 Off 3 ON unit Outdoor Unit DHW tank...

Страница 7: ...rature setting but an offset that can be applied to the default value of 0 as shown in the previous slide When the function is activated the default value is 5 Example if setting 10 is used entering water temp for judgment is reduced from 15 to 5 for protection starting entering water for condition release is reduced from 18 15 3 to 8 5 3 Pre Start Check Please check the following prior to startin...

Страница 8: ...th 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 You are now in the Installer Configuration menu The following setting need to be set for Basic operation Software Version ok ok Min Max 30 50 55 RADS 40 45 UFH ok ok ...

Страница 9: ...W www seconrenewables com T 0191 516 6554 E info seconrenewables com ok Use Sun 1 00am ok ok ok 60 30 Force end time 1 ok Main Booster Heater ON ok ok 60 0 60 ok ok AS ABOVE ok ...

Страница 10: ...8 C with a Design Flow temp of 50 C for Radiators Controler Video LG Therma V R32 Monobloc Installer Setting Guide Bing video Function Description Range Default Set Outdoor 1 Heat OUT 1 Heating Lower ambient Temp 25 35 c 10 c 2 8 c Outdoor 2 Heat OUT 2 Heating Higher ambient Temp 16 c 19 c Water1 Heat LW1 Heating higher Water Temp Dependant on Field Settings 35 c 50 c Water2 Heat LW2 Heating Lower...

Страница 11: ...u Select Pump test run To use this function the antifreeze short pin must be open and switch No 2 in Option SW 3must be on Please See Earlier Section Regards Antifreeze Levels Through out this process the Flowrate should be observed to check it meet MI The system should be vent of air and check that it is full of water ...

Страница 12: ...on the unit does not operated for the sake of system protection Wait while unit warms up to 18 C the water inlet temperature If you are not using the back up heater accessory HA 1M E1 increase the water temperature with theexternal heat source heater boiler If the problem persists contact your dealer If you want to use the screed drying function be sure to purchase and install back up hater access...

Страница 13: ...ter fault Sensor fault Wire connection between remote controller and Main PCB assembly Heater should be tight Output voltage of PCB should be12 V DC 5 Bad communication between Main PCB assembly Heater and Main PCB assembly lnverter of the unit The connector for transmission is disconnected The connecting wires are misconnected The communication line is broken Main PCB assembly lnverter is abnorma...

Страница 14: ... Connection Check Input Voltage Check PCB DC Link voltage sensor parts 24 Low High PressureSwitch Perception Error Low pressure is below 0 2 kgf cm2 High pressure is above 42 44kgf cm2 Pressure switch is self defective Check the low high pressure Check the connection of harness 26 DC CompressorPosition Compressor Starting fail error Check the connection of comp wire U V W Malfunction of compressor...

Страница 15: ...rmistor connector Open Short 3 Defect of outdoor PCB lnverter 46 Problem in suctionpipe temperature sensor Open Short Soldered poorly Internal circuit error 1 Bad connection of thermistor connector 2 Defect of thermistor connector Open Short 3 Defect of outdoor PCB lnverter 52 PCB CommunicationError Checking the communication state between Main PCB and Inverter PCB Generation of noise source inter...

Страница 16: ... EBR37798112 21 Check the soldered condition in the 22 23 pin of 1PM PFCM Check the screw torque of 1PM PFCM Check the spreadable condition of thermal grease on1PM PFCM Check the outdoor fan is driving rightly 65 Problem in HeatsinkTemperature sensor Abnormal value of sensor Open Short Check if there is defect of thermistor connector Open Short Check defect of outdoor PCB lnverter Display code Tit...

Страница 17: ...ment for intervention Equally if any sediments are in the hydronic pipework they will be caught by the internal strainer Blockages in thestrainer can cause CH14 alarms In this case the strainers will need to be cleaned Recommendation once the unit has been installed advise the customers that it is quite likely and normal for a CH14 alarmto occur in the first two weeks This will give the customer r...

Страница 18: ...6554 E info seconrenewables com Have you visited our web shop yet www seconrenewables com Secon Renewables Unit 87 Business Innovation Centre Wearfield Sunderland SR5 2TH T 0191 516 6554 E info seconrenewables com W www seconrenewables com ...

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