123
1. Shut off the drinking water supply. Ensure ade-
quate ventilation in the DHW pipework by opening
a cold and hot water tap.
Remove the thermal insulation.
Danger
The uncontrolled escape of DHW can cause
scalding and building damage.
Only open DHW and heating water connec-
tions with a depressurised DHW cylinder.
Fig. 83
A
Protective magnesium anode
B
Earth cable
Commissioning, inspection, maintenance
Cleaning the DHW cylinder (cont.)
6222080
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