❹ Maintenance; I Winterising; I Maintenance - Zodiac Heat Line 20 Instructions For Installation And Use Manual

❹ Maintenance

4.1 I Winterising

• Winterising is vital to prevent breakage due to freezing. This is not covered by the warranty.
• To avoid damaging the switch box with condensation, do not fully cover it.
• Only the plug's gasket ensures water tightness. Replace it without using hemp.
• To ensure good water tightness, do not tighten the plug + gasket set excessively and do not
damage the thread.
• Power down the regulation,
• Cut the water circulation in the primary and secondary circuits,
• Drain the primary circuit (pay attention to the water temperature; wait until it cools down to avoid any risk of burns):
- Close the isolation valves D and E (see § « 2.2 I Hydraulic connections »),
- Open the drainage valve,
• Drain the secondary circuit:
- Close valves A and C (see § « 2.2 I Hydraulic connections »),
- Unscrew the connectors to drain the exchanger,
- Tighten the connectors slightly again when the exchanger is empty.
Tip: Restarting the circulating pump after a long shutdown period (depending on the model)
• If a blockage occurs, lights appear on the circulating pump, see § « 5.2 I Error code display ».

4.2 I Maintenance

• It is recommended that the appliance undergo general servicing at least on a yearly basis
to ensure proper operation, maintain performance levels and prevent any possible failures.
These operations are carried out at the user's expense, by a qualified technician.
• Never disassemble the exchanger body.
4.2.1 Maintenance to be carried out by a qualified technician
• Make sure that the appliance's pipe fittings are property tightened.
• Only for Heat Line Plus and Heat Line without circulating pump:
- Check the electrical mechanism.
- Check the ground connection,
- Check that the electrical cables are correctly tightened and connected and that the switch box is clean.
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