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Instruction manual SGE 55
gis
6.3 Draining solar
heating system
Note
No special safety measures are required when working with the diluted
glycol solution specified by the manufacturer. For more information about the
fluid, please contact the manufacturer.
1. Activate the
MENU
with .
2. Position the cursor in front of
OFF
.
3. Confirm
OFF
with .
4. Wait until the fan has stopped. The icon is then dimmed.
Caution
Failure to wait until the fan stops can cause damage to the water
heater.
Warning
The fluid in the pipes and the pipes themselves can be extremely hot! You
should therefore wait until the water heater has cooled down sufficiently.
5. Switch off the solar heating system.
6. Connect a hose to the lowest drain point in the solar heating system.
7. Insert the hose into the glycol jerry can.
8. Open the valve of the lowest drain point.
9. Open the air bleed point (26) of the solar heating system.
10. Close the drain point when the jerry can is full.
11. Insert the hose in a new jerry can.
12. Repeat steps 6 and 7 until no further glycol comes out of the system.
13. Close the air bleed point and the valve of the drain point.
14. Remove the hose.
Note
Dispose of the drained glycol in an environment-friendly manner, and
according to local regulations.
MENU
»OFF
^ ON
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