Fig.6 Pipeline system connection
1. When installing the product, the safety valve must be installed in the direction of the water flow.
Otherwise the safety valve would not work properly.
2. User should install the expansion vessel as the picture above. Install the expansion vessel according
to the volume of hot water in the system and the storage temperature. See the table below as a
guideline with the volumes of the recommended expansion vessels.
Expansion vessel
Recommended
expansion vessel (litres)
Max working pressure
（
MPa
）
ATTENTION
●
Do not use iron pipe to install the appliance. The water pipeline system should adopt new pipes that
can meet drinking water
standards,
such as
CPVC/PPR
pipe or PB. Please do not use smelly PVC pipe.
●
Install the water pipes, connectors and other parts according to above figure. If the installation
environment isunder 0℃
,
all pipes shouldbe with insulation treatment.
●
Please keep the condensate water outlet and safety valve outlet clean and unblocked.
●Condensing pipe should be able to drain water smoothly, condensing pipe must be installed from high
to low,
without turning upward.
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