2.10 EMPTYING THE D.H.W. CIRCUIT
To do this, always close the domestic cold water inlet upstream of the appliance.
Open any domestic hot water tap to discharge the pressure from the circuit.
Empty the storage tank completely as indicated in Par. 2.11
2.11 STORAGE TANK DRAINING
To drain the storage tank, use the relevant storage tank draining valve (Det. 1, Fig. 27).
Before performing this operation, close the cold water inlet valve and open any DHW system hot water valve in order to allow
the inlet of air into the storage tank.
2.12 CLEANING THE CASE
1. Use damp cloths and neutral detergent to clean the indoor unit casing.
Never use abrasive or powder detergents.
2.13 PERMANENT SHUTDOWN
Should the system be shut down permanently, have professional staff carry out the procedures, making sure that the electrical and water
supply lines have been previously shut off.
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