Viessmann Vitosol 200-T Service Instructions Manual page 11

Vacuum tube collectors based on the heat pipe principle

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Table of Contents

Further details regarding the individual steps

11. Vent the circulation pump. Select

manual mode.

Open the air vent valve on air sep-

arator E.

Let the circulation pump run until

the float in the flow indicator

holds a constant position when the

pump is running.

l/min

Note

If there is air in the system, the float

will cycle.

Commissioning, inspection, maintenance

12. Close shut-off valves B: Move the

ball valves (thermometers) into the

vertical position.

(cont.)

Table of Contents

Vitosol 300-t Sp2a Sp3b