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Allow the heating system to reach operating temperature and then examine for water leaks.
Turn off the boiler and drain whilst still hot.
Refill and vent the heating system ensuring all air is cleared from the system and the cold fill pressure is set
at the design pressure.
The pressure gauge should be at 0.5 bar.
Set the indicator on the pressure gauge to co-inside with this initial cold fill pressure.
Allow the appliance to operate to its maximum temperature to ensure correct operation of the boiler controls.
Check the maximum pressure of the system when at this maximum temperature and ensure no water has
been expelled from the pressure relief outlet.
Hand the instructions to the user for retention and instruct in the efficient and safe operation of the boiler.
Advise the user of the precautions necessary to prevent damage to the heating system and building in the
event of the system remaining inoperative during frost conditions.
6. Operation and User notes
During normal operation of the boiler and its heating system there should only be a need to switch the boiler
on and off as required. The 24 hour plug in timer provided can be used to provide this function.
The operation pressure will rise and fall in line with temperature increase and decrease of the heating system
water temperature. This is normal operation. However should the pressure fall below that set on the pressure
gauge (0.5 bar) this is an indication there is either a leak in the heating system or the expansion vessel is too
small for the heating system volume. You should consult your Service Engineer in order to correct the fault.
To shut off the boiler for short periods turn the thermostat switch to the off position. This will leave the
pump circulating water around the heating system.
To shut off the boiler for longer periods turn the boiler switch to the off position, this will switch the pump
and the heating bulbs off, allowing the heating system to cool to ambient temperature.
To shut off the boiler for extended periods whilst the house may be unoccupied when there is a possibility of
frost turn the boiler switch to the off position and electrically isolate the boiler. Drain the heating system
down. If a suitable anti freeze has been introduced into the heating system it may not be necessary to drain
down.
WARNING:- Do not switch on the appliance if there is a possibility that the water in the heater is frozen.
Your installer will advise you about draining the system
7. Routine Servicing and Replacement of Parts
As this is an electrical boiler there is no need for regular preventative maintenance, however at periodic
intervals each of the bulbs should be checked for operation.
Before commencing any service operation, ISOLATE the mains electrical supply to the boiler by switching
off at the mains plug and removing the plug from the socket. Remove the boiler front cover by first
unscrewing the two screws at the base of the boiler and rotating and lifting the cover off the boiler.
After completing any service operation, refit the boiler cover and re commission the boiler as detailed in
Section 5.
Should the supply cord become damaged it must be replaced by a special cord assembly available from the
manufacturer or its service agent.