Sime ECOMAXI VB 300 S Instrucciones De Instalación Y Funcionamiento página 64

Part 5: Repair and Maintenance
When using the air source heat pump water heater, please check the operation state regularly. If it
can provide long-term and effective maintenance, the appliance operation reliability and service span
will be improved.
1. Clean the water filter regularly and make sure that the water within the system is clean, avoiding
damages due to the blocking of waterfilter.
2. All safety protection devices have been set correctly and completely in the factory, so please do not
adjust on your own.
3. The appliance should be kept in clean and dry places with good ventilation so as to achieve good heat
exchange. Please clean the filter regularly according to different extent of the environmental pollution.
4. To ensure the long-term work efficiency, it is recommended to drain the inner water out totally and
clean one time every six months, remove accumulative sediment during theoperation.
5. Please check regularly whether the power supply and the wiring of electrical system of the product
are firm or not, whether the electrical components have any abnormal phenomenon or not. If there is
any problem, please ask your local dealer or contact us to replace and repair the appliance.
6. Please check whether the safety valve of water system is working properly or not, so as not to affect
the heating capacity and the reliability of the operation.
7. If you shut down the appliance for a long time, please remove the water in pipes system and the tank,
then cut off the power and put a protection cover. Before re-operating the appliance, please conduct a
comprehensive examination of the system first, fill with water and then restart the appliance.
8. Each appliance is equipped with an anode rod to protect the water tank from corrosion, but the anode
rod will also be corroded slowly. The corrosion rate depends on the local water quality. We recommend
that you check the anode rod once a year and change a new one if the anode rod runs out.Please contact
the dealer or special technical center about detailed information.
9. To the regions where temperature is below 0℃, please be sure to insulate the water inlet and outlet
pipes. If necessary, install pipe heating device to avoid pipesfreezing.
10. When the appliance is breakdown and the user cannot solve the problem, please contact the local
service center or dealer to send servicemen to repair the appliancepromptly.
Water inlet connector Pressure relief handle
Safety valve
Drainage outlet
Cold water inlet
Fig.11 Safety valve
●The pressure relief handle of safety valve should be pulled once every six months to remove the deposit
calcium and confirm the device is not clogged. Its outlet water temperature may be high, so be careful
to avoid scolding.
● The water may drip from the drainage outlet of the device and that the drainage hose must stay open
to the atmosphere.
● In case of that drainage hose freezes in winter, which causes accident, please handle the drainage hose
with insulation protection.
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