Drazice BTO 5 UP Инструкция по эксплуатации онлайн [27/50] 68021

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7. PLUMBING FIXTURE

The heater is designed for flow (non-pressurised) plumbing system. This system enables water withdrawal

from one point only. Connection has to be performed as indicated on the figure for connecting to water

supply network. For flow connection system you need to use a combination faucet designed to this

purpose. Water inflow and outflow is indicated with different colours on the heater tubes. Cold water

inflow is indicated with blue, hot water outflow is indicated with red. Return valve has to be fixed on the

inflow tube in front of the combination faucet in order to avoid water outflow from the boiler if there is a

lack of water within the network.

If the water pressure in the water supply network exceeds 5 bars, a reduction valve must be installed in

front of the combination faucet.

When choosing a flow faucet pay special attention to the information provided by the manufacturer

regarding pressure reduction due to resistance that occurs when water passes through the combination

faucet. If the drain valve is fully opened, it must not exceed 0.2 bar. You are not allowed to fix any water

driven device or a water disperser on the combination faucet drain tube since this might cause increase of

the pressure in the heater boiler. Should you fail in adhering to these instructions, the heater may get

damaged.

The “above-supply-point” version The “below-supply-point” version

Explanation:

1 – shut-off valve

2 – reduction valve

3 – back pressure valve H – cold water

4, 4a – flow combination faucet T - hot water

BTO 5 UP

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