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EAS ELECTRIC ETHKH10A Manual De Instrucciones página 108

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Water may enter into the flow switch and cannot be drained out and may freeze when the temperature is low enough. The flow
switch should be removed and dried, then can be reinstalled in the unit.
1.Counterclockwise rotation, remove the flow switch.
2.Drying the flow switch completely.
8.6 Filling water
Connect the water supply to the filling valve and open the valve.
Make sure all the automatic bleed valves are open (at least 2 turns).
Filling with water until the manometer indicates a pressure of approximately 2.0 bar. Remove air in the circuit as much as possible
using the automatic bleed valves.
Do not fasten the black plastic
cover on the automatoic bleed
valve at the topside of the unit
when the system is running.
Open
valve, turn counterclockwise at
least 2 full turns to release air
from the system.
During filling, it might not be possible to remove all air in the system. Remaining air will be removed through the automatic bleed
valves during the first operating hours of the system. Topping up the water afterwards might be required.
The water pressure indicated on the manometer will vary depending on the water temperature (higher pressure at higher
water temperature). However, at all times water pressure should remain above 0.3 bar to avoid air entering the circuit.
The unit might drain-off too much water through the pressure relief valve.
Water quality should be complied with EN 98/83 EC Directives.
Detailed water quality condition can be found in EN 98/83 EC Directives.
1
2
NOTE
the
automatic
bleed
29
There need drying
NOTE
V.2

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