6.4 Connection heating and hot water
6.4.1 Connecting the heating system supply and return lines to the outdoor unit
1. Supply line, push-fit connection, Ø28mm
2. Return line, push-fit connection, Ø28mm
3. Drain
4. Ventilation, plastic twist cap
The water in- and outlet on the outdoor unit are factory fitted with push-fit connectors. See picture below how to secure a good installa-
tion.
▪
The depth of the pipe inserted in the connector (A) should be 44mm. Measure and make a mark on the pipes, to easily check after
inserting.
▪
Make sure the end cap of the connector has a gap (B) to the main part before inserting the pipes in place. This will tighten and close
after doing the next step.
▪
When the pipes are in place, simply use hand force and turn the push-fit connectors as shown in the picture below (DO NOT use
tools, as it can damage the connectors).
6.5
Piping work
Caution Be careful not to deform the unit piping by using excessive force when
connecting the piping.
The unit is only to be used in a closed water system.
Deformation of the piping can cause the unit to malfunction. Always use two wrenches (spanners) for tightening or loosening the water
connections (where push-fit connections are not used, such as the supply and return pipes for the outdoor unit), and tighten connec-
tions with a torque wrench. If not, connections and parts can get damaged and leak.
Installation Guide
Athena
Thermia AB AWAT01IGCG0102
29
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