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removal of any oxidation from burners
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removal of any encrustation from heat exchangers
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checking connections between the various air/fume pipes
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checking and general cleaning of fan (mod. MCS)
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general pipe cleaning
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checking general external appearance of boiler
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checking for proper ignition, shutdown and operation of both hot water and heating functions
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checking for proper seal on gas/water fittings and pipes.
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checking gas consumption at minimum and maximum power
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checking position of ignition electrode
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checking position of detection electrode
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checking combustion and efficiency parameters
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checking the no-gas safety device
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checking combustion fumes outlet safety device (mod. MC)
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water system pressure
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expansion tank efficiency
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checking for proper operation of safety and adjustment thermostats
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checking for proper circulation pump operation
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checking that no gas whatsoever leaks from the unit and no combustion gas leaks from the down-
draught diverter or the boiler-flue connection.
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checking gas flow rate.
Do not clean the unit and/or its component parts with easily inflammable substances (e.g. petrol,
alcohol etc.)
Do not clean panelling, painted and plastic parts with paint diluents.
Clean the panelling with soapy water only.
If a room thermostat is installed we recommend our chronothermostat CLASS PIU' which, in addition to
guaranteeing the comfort of a precise regulation of temperature, offers a notable range of heating
programmes; alternatively use a programming digital timer.
ATTENTION. The room thermostat with 230 V mains supply must be connected to the earth terminal,
or use a class II room thermostat.
All manuals and user guides at all-guides.com
Chronothermostat CLASS PIU' (accessory)
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