BLUEHELIX TECH RRT 28 C
41EN
cod. 354M1070 - Rev. 01 - 07/2018
Cleaning or replacing the flowmeter
A
Before carrying out the following instructions it is advisable to protect the area and the boiler’s PCB housing
against accidental water spillage.
• Isolate the power supply and close the Gas isolation valve to the boiler.
• Remove the diverter valve motor head (see fig. 47).
• Close the cold water inlet isolation valve and open a hot water tap in the property
• Release the retaining clip “4” and remove the flowmeter assembly “5” by pulling upwards.
• The flowmeter components can thus be cleaned or replaced (see fig. 50 and fig. 51).
fig. 49- Flowmeter
1 - Flow-rate limiter
2 - Impeller
3 - Filter
4 - Clip
5 - Flowmeter
Wash the filter with clean water.
fig. 50
Lubricate the flowmeter ‘o ring seals with silicone grease.
fig. 51
5
4
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