180
2. Turn setting screw slot by 90° in the direction of
flow.
Check valve is open. Heating water flows out in the
opposite direction to the arrow.
Fully drain the outdoor unit.
3. Turn setting screw slot back by 90° perpendicular
to the direction of flow.
Check valve is closed.
Removing the hydraulic components
Before dismantling hydraulic components from the
outdoor unit, drain the hydraulic connection line to the
indoor unit: See chapter "Draining the indoor unit on
the secondary side".
Note
Removal of components not shown: See separate
installation instructions for the individual part.
Outdoor unit maintenance
Draining the outdoor unit on the secondary side (cont.)
6222080
Maintenance
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