Unger RO60S - Manual (Page 23)

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23
ENGLISH
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Start-up
1. Connect hoses to the system (drinking water, concentrate and permeate)
2. The Pre-filter has already been installed. Check by means of a visual inspection
3. First open the water tap of the water supply line and then the tap of the water inlet of
the RO filter.
4. Check if water flows through the system without switching on the pump. The pressure
gauge (12) at the filter outlet must show the current municipal water pressure.
5. Flush system for 5 minutes until water comes out colourless and bubble-free (this
indicates that the preserving agent has been flushed out)
6. (Only RO30G & C): Interrupt the water supply and activate the resin cartridge in the
circulation system. To do this, connect the hoses to the filter housing. Always keep the
double thread adapter that has been removed for later preservation.
7. Connect the system to the power supply. The pump must run quietly; the pump’s
pressure gauge reaches approx. 7-9 bar (depending on the water temperature).
8. The system must now be flushed again for 5 minutes to remove any remaining bubbles.
Press the red button on the resin filter (6) to vent .
9. The cleaning water is now available.
ATTENTION! Avoid banking-up of the concentrate. The hose to the concentrate outlet must
move freely and must not be kinked as otherwise, the membrane(s) will be damaged.
5.2 Daily start-up
• Connect hoses to the system (drinking water, concentrate and permeate)
• The system must now be flushed to ensure bubble-free operation (without pump)
• When the water is nearly bubble-free, the high-pressure pump can activated. To do so,
connect the power supply.
• It is absolutely essential that the entire hose is without kinks as otherwise, the high
pressure pump switches off due to insufficient pressure.
• Always open the water supply tap first, then switch on the power!
• The operating pressure (membrane pressure) (12) should always be approx. 4.5 bar (with
15°C water temp.) higher than the inlet pressure (4). This ensures constant good filter
values.
• The operating pressure must not exceed 10 bar, if necessary, reduce the inlet pressure via
the ball valve (2).
Warning:
• The unit is under pressure during operation. If hoses are removed during operation, the
water flows out at high pressure!
• Even when the unit is not longer in operation, the hoses are still under pressure. Always
open both cocks before dismantling in order to depressurise the unit.
• Always ensure that the tyres are completely filled with air. The surface on which the unit
is standing must always be level so that it cannot fall over.
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Shipping & packing