OSO HOTWATER 1327051, Руководство по установке

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3. COMMISSIONING
3.1 Commissioning and filling
1. Check all connections for tightness.
2. Open hot water tap furthest away from the
OSO water heater.
3. Open the mains stop cock to fill the water
heater. When water flows evenly from tap, al-
low to run for a few minutes to flush through
any dirt, swarf or residue, then close the tap.
Open successive hot taps to purge any re-
maining air.
4. Check all water connections for leaks and rec-
tify if necessary.
5. For test purposes manually operate Tem-
perature and Pressure relief valve (4) to en-
sure free water flow through discharge pipe
by turning knob counter-clockwise. To close
continue to turn knob counter-clockwise until
the valve shuts.
6. Switch electrical power on.
3.2 Draining
Switch off the electrical power. Attach a hose to
drain valve (6), open valve to drain. Open a hot tap.
Draining process may be speeded up by opening
the Temperature and Pressure relief valve (4). A
hose can be applied to the cold water connection
to lead the water to a gully, sink or similar.
3.3 System flushing
System flushing will not be necessary under nor-
mal circumstances as the line strainer will prevent
ingress of foreign materials, however if flushing is
required, run at least 50 litres of water from the
cylinder at the highest possible flowrate. Close the
taps and follow draining procedure above.
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