Buderus Logano GE615, Инструкция по установке и обслуживанию

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4 Installation
Logano GE615 - We reserve the right to make any changes due to technical modifications. 28
2.
Requirements Fluid Category 4 systems (fig see
right)
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Control valve (stop valve) on the mains cold water
supply pipe
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Strainer
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Verifiable Backflow Prevention Device with reduced
pressure Zone (RPZ valve assembly) incorporating
a Type BA air gap
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Tundish
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Control valve (stop valve) on the heating system
pipework
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Open the cap of the automatic air vent by one full
turn to allow air to escape.
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Slowly fill the heating system. Observe the pressure
gauge whilst filling.
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Close the water tap and the boiler drain valve once
the required operating pressure has been reached.
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Bleed the system via the radiator bleed valves.
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Top up with water if the pressure drops as a result
of bleeding the system.
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Take the hose off the boiler drain valve.
V
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Enquire from your installer, whether you can use
your public water untreated or whether you need to
treat it before filling your system.
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Notify your installer, if you need to regularly add top-
up water to your system.
Fig 35 Requirements Fluid Category 4 systems
SYSTEM DAMAGE
through frequent topping up.
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The heating system may be damaged,
depending on water quality, by corrosion
or scaling if you frequently need to top-up
the heating water.