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Hi-Therma Integra system - Indoor unit (AHS-044/060/080HCDSAA-23)
2.3.8.4
Removing the Expansion Vessel
1) Remove the upper front panel as explained in “2.3.1 Removing the upper front panel”.
2) Remove the lower front panel as explained in “2.3.2 Removing the lower front panel”.
3) Remove the right and left side panels as explained in “2.3.3 Removing the side panel”.
4) Remove the back panel as explained in “2.3.4 Removing the back panel”.
6) To reassemble a new expansion vessel, proceed in a reverse way than disassembling.
At the connection of water pipe nut and expansion vessel pipe nozzle, a rubber gasket needs to be installed to prevent water leakage.
When removing the expansion vessel, be careful not to damage the gasket. If damaged, it needs to be replaced with a new one;
Proceed in a reverse way to reassemble a new expansion vessel, and check whether there is water leakage after reassembly.
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