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6 Installation
Fig.123
Filling the tank
A
210
ETWH
1. Open a hot water tap.
2. Open the cold water tap to vent any air in the installation, ensuring
that valve A on the drain opening is properly closed.
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3. The water heater starts to fill up and any air exits via the hot water
taps.
4. When the water overflows through the hot water tap, the tank is full.
5. Close all of the taps and check the pipes to make sure there are no
leaks.
Caution
If the water inlet pressure is lower than 0.15 MPa (1.5 bar), a
pump must be fitted to the water inlet. To guarantee the safe use
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of the water heater at a water inlet pressure of more than 0.65
MPa (6.5 bar), fit a pressure reducer on the water inlet pipe.
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2
MW-1000697-1
7659610 - v04 - 27072020
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