Hydro Box
19
No. Part's name Photo Installation instruction Purpose Remark
12 Expansion tank
Install at water inlet side of
the hydro box.
To prevent pipe cracks
caused by water thermal
expansion.
Optional
part
13
Circulating
water strainer
Install at inlet side of the
water pump.
For filtrating the impurities
in the circulating water
Standard
part
Notes:
①
All components above table in the picture must be installed and add cut-off valve
according to actual pWroject circumstances.
②
The horizontal distance between hydro box and thermal insulation water tank shall not
exceed 5m. It is recommended to install the water tank at lower and install the hydro box
at upper.
Unit: mm
Fig.4.13
③
If the total waterpower loss between floor heating pipeline and valves exceeds 6m,
please add floor heating engineering pump behind the solenoid valve D. There is control
interface reserved in the electric box of hydro box. Please connect wire according to the
wiring diagram on the electric box.
④
Prepare materials according to connector size and specification above. If the cutoff valve
is installed outdoors, it is recommended to use PPR fittings, thus to avoid freezing under
low temperature.
⑤
The hydro box shall be properly fixed before proceeding to installation of water pipes.
During installation of the connection pipe, prevent the dust or other foreign articles from
entering the pipe system.
⑥
The thermal insulation pressure water tank is supplied of hot water based on tap water
pressure. The user can have hot water only when there is tap water.
⑦
During use, the cutoff valve at the cold water inlet of water tank shall be kept normally
open.
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