Appliance safety devices, Service and maintenance – Glow-worm Xtramax User Manual
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Appliance Safety Devices
Air flow rate safety device
If the flue is obstructed, even partially, the built in safety system
will turn the boiler OFF, the fan will continue to run. The boiler
will be ready to operate when the fault has been cleared.
Overheating safety
In the event of the boiler overheating the safety devices will
cause a safety shutdown. If this happens, call your Installation/
Servicing company.
In case of power supply failure
The boiler no longer operates. As soon as power supply is
restored, the boiler will be automatically restarted.
Frost protection
The appliance has a built in frost protection device that protects
the boiler from freezing. With the gas and electric supplies ON
and irrespective of any room thermostat setting, the frost
protection device will light the boiler when the temperature of
the boiler water falls below 6°C.
When the temperature reaches 16°C, the boiler stops.
Any other exposed areas of the system should be protected by
a separate frost thermostat.
Heating safety valve
CAUTION: A heating safety valve with a discharge pipe is fitted
to this boiler.
The valve MUST NOT BE TOUCHED except by a qualified
registered person. If the valve discharges at any time, switch the
boiler off and isolate it from the electrical supply. Contact your
installation/service company.
Temperature pressure/ relief valve
CAUTION: A domestic hot water pressure relief valve, with a
discharge pipe is fitted to this boiler.
The valve MUST NOT BE TOUCHED except by a qualified
registered person. If the valve discharges at any time, switch the
boiler off and isolate it from the electrical supply. Contact your
installation/service company.
Service and Maintenance
Servicing and Maintenance
To ensure the continued efficient and safe operation of the
appliance it is recommended that it is checked and serviced as
necessary at regular intervals. The frequency of servicing will
depend upon the particular installation conditions and usage,
refer to guarantee registration on the front cover of this literature.
If this appliance is installed in a rented property there is a duty
of care imposed on the owner of the property by the current
issue of the Gas Safety (Installation and Use) Regulations,
Section 35.
Servicing/maintenance should be carried out by a competent
person in accordance with the rules in force in the countries of
destination.
To obtain service, please call your installer or Heatcall (Glow-
worm’s own service organisation) using the telephone number
on the front cover of this literature.
Please be advised that the ‘Benchmark’ logbook should be
completed by the installation engineer on completion of
commissioning and servicing.
All CORGI Registered Installers carry a CORGI ID card, and
have a registration number. Both should be recorded in your
benchmark Logbook. You can check your installer is CORGI
registered by calling CORGI direct on: 01256 372300.
Cleaning
WARNING: This appliance contains metal parts (components)
and care should be taken when handling and cleaning with
particular regard to edges of sheet metal parts to avoid any
possibility of personal injury.
The boiler casing can be cleaned with a damp cloth, followed by
a dry cloth to polish.
Do not use abrasive or solvent cleaners.
Boiler casing
CAUTION. Do not remove or adjust the casing in any way, as
incorrect fitting may result in faulty operation. If in doubt, consult
your installation/service company.