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1 USER INSTRUCTIONS
This boiler must be serviced annually. Contact Warmflow for further details.
In the event of a breakdown please contact your commissioning engineer who
should contact our service department whilst at your home, to report the fault.
1.1 Dual Thermostat – Non-Combi Boilers
The radiator temperature is regulated via the boiler
control thermostat. The thermostat is user adjustable
from nominally 45°C to 75°C. Turn the control knob
clockwise to increase temperature, and anticlockwise to
decrease.
The thermostat has a built-in manually reset safety cut
off which will ‘lock out’ in the event of the boiler
overheating and which will need to be reset in order to
restore operation. Remove the lock-out cover using a
coin or screwdriver (turning anti-clockwise) and depress
the red button to reset.
Do not press the reset button while the boiler is still hot
as this will cause damage to the thermostat.
1.2 Burner Lockout
When the pressure jet oil fired burner
stops after failing to fire the red reset
button will be illuminated. This indicates
that there is a fault or there is no fuel
getting to the burner. The house holder
should only reset the burner twice in
succession. If the burner continues to
lockout contact Warmflow or your
service engineer.
1.3 System Pressure – System & Combi Boilers
When the boiler is connected to a sealed
system the system pressure should be
periodically checked. The minimum pressure,
as indicated by the black needle, is 0.5 bar
when the boiler is cold and 2.5 bar when the
boiler is at normal operating temperature.
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