Maintenance - Sinclair SWH-15/190TL Service Manual

Maintenance

1 Maintenance
1.1 Check the connection between power supply plug and socket and ground wiring regularly;
1.2 In some cold area (below 0 ), if the system will be stopped for a long time, all the water should be
released in case of freezing of inner tank and damage of e-heater.
1.3 It is recommended to clean the inner tank and e-heater regularly to keep an efficient performance.
1.4 Check the sacrificial anode every half year and change it if it has been used out. For more details,
please contact the supplier or the after-sale service.
1.5 It is recommended to set a lower temperature to decrease the heat release, prevent scale and save
energy if the outlet water is sufficient.
1.6 Clean the air filter every month in case of any affect on the heating performance.
1.7 Before shutting the system down for a long time, please: Shut down the power supply; Release all
the water in water tank and the pipeline and close all the valves; Check the inner components
regularly.
2 Non-error Malfunction
2.1 3-min Protection With the power supplied, an immediate restart after the shutting down will have
to wait 3 min as to protect the compressor.
2.2 If self-protection happens and the system stops, check :
When the power indicator lights up, if the system is forced to run while startup requirement has not
been met; If the air outlet or inlet is jammed or strong wind blows to air outlet.
2.3 Defrosting
When it is humid and cold, the condenser may defrost and the water-heating capacity decrease.
And the system will stop heating water and start defrosting and then restart water-heating
2.4 During defrosting, the compressor keeps running but reverse to defrosting cycle while fan motor
stops;
2.5 The defrosting time varies from 3min to 10min according to the ambient temperature and the frost.
3 Temperature Display
3.1 When the system stops, a decrease of the temperature is normal as heat released. When it decreases to
some point, the system will restart automatically;
3.2 During water-heating, the displayed water temperature might still decrease or not increase for a period of
time because of the heat exchange of the water. When the whole tank of water has reached the set
temperature, the system will stop automatically.
Sanitary Water Heater Technical Manual