57
6. Connect the drain hose from the safety valve to the
waste water system with a fall and an atmospheric
pipe vent in accordance with EN 12828, e.g. via a
drain outlet or waste water inlet.
■
Terminate the drain hose outlet point 20 to
40 mm above the waste water inlet.
■
Ensure there is a maximum of 2 bends in the
drain hose.
■
Do not reduce the hose cross-section.
■
Min. waste water pipe cross-section: Twice the
drain pipe cross-section
Fig. 42
To install drain hose A
, remove the side panel: See
page 45.
Temperature limiter
With underfloor heating circuits, install a temperature
limiter to restrict the maximum temperature in the flow
of underfloor heating systems.
This temperature limiter is triggered as soon as the
flow temperature exceeds the set value.
Once the temperature limiter has been triggered, the
room heating ceases in the particular heating/cooling
circuit.
Hydraulic connections
Hydraulic connection of the indoor unit (cont.)
6222080
Installation
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