6 - WATER SYSTEMS 140
6.1.5 Maintenance fresh water system
Component Maintenance Notes and precautions
Fresh water tank Cleaning and checks At least every month, drain the fresh water tank completely and rinse them a
couple of times with clean fresh water for change completely the water stowed
in the storing tanks and at the same time to wash them too.
Periodicallypouraspecicdisinfectant,inthequantityrecommendedbythe
Builder,intothetanks,throughtheintakeller,inordertopreventtheformation
of bacteria in the system.
Electric water heater Cleaning and checks
MAINTENANCE
Check the operation of the water heaters at least once a month.
At least once a month check the operation of the relief valve.
At least once a year carry out the thermostat calibration, and if necessary,
have it calibrated again.
At least every two years descale the resistor.
CAUTION
If there is no hot water available, due to emptying of the fresh water sys-
tem, switch off the water heaters to avoid damage to the heating ele-
ments.
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