114
PMML0600 rev.0 - 06/2022
8
YUTAKI H
MAINTENANCE
! CAUTION
Take care with the electrical box components in order to avoid damaging it.
8.2.3 Space heating pipes connection
The unit is factory supplied with two shut-o valves which have to be connected to the water
inlet / outlet connections. With these shut-o valves it is very practical to connect the indoor
unit to the heating system by using the factory supplied gaskets just below the valves (G 1-1/4”
connection). Then, the space heating installation can be carried out.
Gaskets
Shut-o valves
8.2.3.1 Drain pipes connection
For a correct drainage, connect the drain pipe for the safety valve to the general draining system.
NOTE
• The safety valve is activated when water pressure reaches 3 bars.
• Drain taps must be provided at all low points of the installation to permit complete drainage of
the circuit during servicing.
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