Preparations Before Flushing; Flushing And Filling - Hamworthy Trigon ST1 Installation, Commissioning, Operation & Service Instructions

14
4.2
The solar circuit is flushed in the direction of
flow.
1. Disconnect the expansion vessel from the
solar installation. Please observe the
instructions of the manufacturer.
2. Turn the check valve in the flow ball
valve [5.2] to operating position
(0°, see page 12).
3. Close the return ball valve [1.2]
(90°, see page 12).
4. The ball valve [3.1] must be open.
5. Connect the filling pump to the solar
station:
- Pressure hose to the fill valve [1.4]
- Flush hose to the drain valve [3.2]
4.3
1. Open the fill and drain valves [1.4|3.2].
2. Put the flush and fill station into operation
and flush the installation until clear solar
fluid exits.
Vent the solar installation several times at
the vent plug of the de-aerator [4.2] until
the solar fluid exits without bubbles
(see page 13).
Installation-Operation ST1 Solar Pump Station
4 Commissioning [installer]

Preparations before flushing

Flushing and filling

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