LG ARNH10GK2A2 - Manual (Page 467)

Huolto ja ylläpito
käyttäjän ohjekirja 25 Hydro Kit
Operational instructions
n Do not disconnect the power supply of Hydro Kit during the operation.
Stop the Hydro Kit followed by outdoor unit and then only remove the power supply.
If you remove the power supply of the Hydro Kit in the mid of operation, it will leads to damage of
the product by freezing and bursting of Plate type Heat Exchanger.
n Do not remove the power supply even at the occurrence of “CH14” Error.
As the error is due to the shortage of water flow, please eliminate any sludge and scales inside
the water tubes to ensure free water pumping, remove foreign particles(dust, sand, trash, rusted
pieces) from the water tubes along with cleaning the strainer.
After cleaning the strainer, to remove the error message (not displayed), turn off the outdoor unit
followed by Hydro Kit and then disconnect power supply of Hydro Kit. And then connect power
supply and restart the unit for the normal operation.
The service will be charged if the system failure is due to strainer blockage.
Strainer cleaning period: Once in every 3 months and whenever CH14 error occurs.
n If the system stopped and displaying any error message(CH ???) please follow below procedure.
Do not remove the power supply of the Hydro Kit. Contact L.G service centre.
n Do not change the water pipes randomly. When changing the water pipes there is a possibility of
foreign material entry and bubble formation as well. This leads to freezing of Plate type heat
exchanger of Hydro Kit.
When it is essential to change the water pipes, proceed only after separating the pipes from Hydro
Kit. The inner side of the new pipes must be washed thoroughly to remove the foreign materials
and then connect the pipes with the Hydro Kit.
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