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2000225065A
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.
Electrical supply failure
The boiler will not operate without an electrical supply. Normal
operation of the boiler should resume when the electrical supply
is restored.
Reset any central heating system controls, to resume normal
operation.
If the boiler does not resume normal operation turn the mains
reset switch off and on. If the boiler does not resume normal
operation it is advisable to consult your installation / servicing
company.
Pressure Relief Safety Valve
A pressure relief safety valve and discharge pipe is fitted to the
boiler. This valve must not be touched. Should there be any
discharge from the pipe, isolate the boiler electrical supply and
call your installer or Heatcall (Glow-worm’s own service
organisation) using the telephone number on the inside front
cover of this booklet.
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 operate the pump when the temperature
of the boiler water falls below 7
O
C.
The burner will fire if the temperature inside the boiler falls to
3
O
C.
When the temperature reaches 10
O
C the boiler stops.
Any other exposed areas of the system should be protected by
a separate frost thermostat.
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.
Maintenance and Servicing
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 inside 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 inside 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.
Spare Parts
Remember, when replacing a part on this appliance, use only
spare parts that you can be assured conform to the safety and
performance specification that we require. Do not use
reconditioned or copy parts that have not been clearly authorised
by Hepworth Heating Ltd.
If a part is required contact Heatcall (Glow-worm’s own service
organisation) using the telephone number on the inside front
cover of this booklet.
Please quote the name of the appliance, this infomation will be
on the name badge on the front of the appliance.
If in doubt seek advice from the local gas company or Heatcall
(Glow-worm’s own service organisation) using the telephone
number on the inside front cover of this booklet.
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.
Condensate Drain
The condensate drain, see section 9.2, must not be modified or
blocked.
Pluming from flue terminal
This appliance will produce a plume of condensation from the
flue terminal in cool weather. This is due to the high efficiency
and hence low flue gas temperature of the boiler. It is normal
and not a boiler fault.
Appliance Safety Devices
Maintenance and Servicing
