BLUEHELIX TECH RRT 28 C
37EN
cod. 354M1070 - Rev. 01 - 07/2018
Disassembling the burner and cleaning the exchanger
fig. 43
• Isolate the power supply and close the Gas isolation valve to the boiler.
• Undo the 5 x 10mm flange nuts securing the exchanger cover "1".
• Undo the 3 x 10mm nuts securing the burner & remove (To clean use a soft brush & vacuum).
• Check the correct distance of the electrode (clean if necessary but do not sand).
• To clean the exchanger, it is advisable to remove the electrode (see fig. 46).
• Clean the inside of the exchanger with a soft brush & wash through with clean warm water, then clean out the con-
dense sediment bowl. (See the accessories indicated in fig. 43)
• Replace in reverse order & carry out GSIRU 26/9 tests.
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