04
5.2 Pipeline connection
Pipeline Connection Sketch.
Fig.5-4
Hot Water
Outlet (G3/4”)
TP Valve
(G3/4”)
Anode Rod
(G3/4”)
Temperature
Sensor of Water
Tank (G1/2”)
Solar Water
Inlet (G3/4”)
Solar Water
Outlet (G3/4”)
Expansion Tank
(if required)
One Way Valve
Ball Valve
Strainer
Ball Valve
To drain pipe
Water Inlet/Drain
Pipe (G3/4”)
Tap Water
Note:
The mixer tap is
required on the hot
water usage terminal.
Icons and meanings Table.5-2
Name Water tap One-way stop valve (filed supply) Water mixer tap (filed supply)
Icon
Name Gutter Ball Valve Expansion tank (filed supply)
Strainer (≥40 meshes) (filed
supply)
Icon
CAUTION
• When install the main unit, please set a drain valve at the drain orifice of the unit by self.
• Pipeline Connection Explanation
• Installation of the water inlet or outlet pipes: The spec of the water inlet or outlet thread is G3/4” (internal thread).
Pipes must be insulated and durable.
• Installation of the pipe for TP valve: The spec of the valve connecting thread is RC3/4” (internal thread). After
installation, it must be confirmed that the drainpipe outlet is exposed in the air. When flexible drainpipe is jointed to the
pressure relief orifice of this valve, it must be confirmed that the flexible drainpipe is downwards vertically and exposed in
the air.
• To avoid backsiphonage, it is required to install a non-return valve on thewater inlet of the domestic hot water tank in
accordance with the applicable legislation.
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