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SAFETY INSTRUCTIONS TO FILL THE WATER HEATER
Essential instructions for the safety of persons and the environment
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Essential instructions for the correct operation of the system
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EN
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FILLING THE COIL (PRIMARY CIRCUIT)
General remark
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1.
Check that the drain valve (3) of your primary circuit is tightly closed.
2.
Open the stop valves (1) and (2) of the primary circuit connected to the heat generator.
Bleed the air from the circuit and continue filling until the required operating pressure
3.
is reached (refer to the heat generator manual).
FILLING THE DHW TANK
General remark
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1.
To fill the tank, open a hot water tap (2) located at the highest point of the system. It
enables to bleed the air from the system.
2.
Open the filling valve (1) and the stop valves (3) to fill the DHW tank.
3.
Close the hot water tap (2), after the water flow has stabilised and the air has been
completely evacuated.
4.
Check all the connections of the system for leaks.
EN -
14
Do not use vehicle antifreeze in the water heater. This can cause serious injury
or death, or damage facilities.
If antifreeze is needed in the primary circuit, it must comply with Public
Hygiene Regulations and must be non-toxic. A food-grade Propylene Glycol is
recommended. It must be diluted according to the ratio recommended in the
local regulations.
Consult the manufacturer to determine the compatibility of the antifreeze with
the tank construction materials.
Make sure to flush the system with clear water before filling with drinking water.
Before bringing the tank into service, check the connections to avoid any risk
of leaks during filling.
Only use drinking water to check that the DHW tank is watertight. The on-site
test pressure must not exceed a pressure surge of 8,6 bar.
Using antifreeze in the primary circuit will lead to a reduction in the heating
performance. The higher the concentration of antifreeze in the circuit, the lower
the performance.
Also refer to the heat generator manual.
Connect the safety valve outlet to the sewer.
Starting Up
661Y3400 • A
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