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Vitosol 100-FM/200-FM Installation, Operating and Service
Installing the General Connection Set and Collector Temperature Sensor
CAUTION
The collectors may be damaged if the solar heating
system is not filled with heat transfer medium
immediately after installation. Therefore protect the
collectors against insolation by covering them up.
Refer to page 41 for information on venting the
solar heating system.
When assembling the 22 mm metric compression fittings
qU and qO, observe the following:
All pipe ends must be square and deburred.
Push the union nut and the compression ring onto the
pipe adaptor and lightly lubricate the threads with
special grease supplied.
Push the pipe into the compression fitting as far as it
will go.
Initially, turn the union nut by hand, then tighten with
an open ended spanner by another ¾ turn.
Note: Connection pipes and plugs must not display
any damage. Lubricate O-ring seals only with the
special grease supplied. Never fit annealed (soft)
copper pipes onto the elbow qU and tee qO.
1. Insert the plugs qZ until they bottom out, and secure
with profile clips qE.
2. Insert the supply and return connection pipes qT until
they bottom out and secure them with pipe clips qE.
3. Fit the 90° elbow qU onto the return connector at the
bottom of the collector.
4. Fit the tee qO onto the supply connector at the top of
the collector.
5. Insert the sensor well wP into the tee qO. Hold the tee
tightly.
6. Insert the strain relief fitting wQ into the sensor well.
7. Insert the collector temperature sensor B (supplied
with solar controller) until it bottoms out inside the
sensor well wP and secure with strain relief fitting wQ.
8. Insert the 4" long, 3" Ø to 22 mm Ø adaptor qI into
the compression fittings of elbow qU and tee qO and
make the connection between the panel array and the
supply and return piping.
9. Install the insulation wW and secure with adhesive on
its cut faces.
Hydronic Connections
31
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