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Boiler Safety Devices
Overheat Reset
The boiler software is designed to recognise the potential
for an overheat lockout and will shutdown before this
happens. To restart the boiler, press the reset button, see
diagram 2.
If the boiler fails to resume normal operation and all
external controls are calling for heat, then call your
Installation/Servicing company or British Gas Service.
Frost Protection
With the gas and electric supplies ON and irrespective of
any room thermostat setting, the integral frost protection
device will operate the pump when the temperature of the
boiler water falls below 8
O
C.
A timer is used so that the temperature can be checked
periodically. After 10 minutes the pump will be stopped
if the temperature is higher than 10
O
C or has already
reached 35
O
C.
The burner will only activate if the boiler temperature
does not reach 10
O
C after 30 minutes or at any time if the
temperature drops to 5
O
C.
The burner will switch off when the temperature reaches
35
O
C.
NOTE: Any other exposed areas of the system should be
protected by a separate frost thermostat.
Condensate Drain Blockage
As a safety feature the boiler will stop working if the
condensate drain becomes blocked. During freezing
conditions this may be due to the forming of ice in the
condense drain external to the house. Release an ice
blockage by the use of warm cloths on the pipe. The boiler
should then restart. Contact your Installation/Servicing
company or British Gas Service if the fault persists.
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