SAFETY EQUIPMENT MAINTENANCE
- Check that all thermostats and safety devices are in good working
order: boiler thermostat and 103°C manual reset high limit
thermostat.
- Check the safety valves in both the heating circuit and hot water
circuit.
DRAINING THE BOILER
The water draining from the drain cock is very
hot and can cause severe burns. Keep all
persons away from running hot water.
Draining the heating circuit
(Fig. 18)
1.
Move the main switch on the control panel to “OFF” and isolate
the boiler from the electrical supply at the switch on the external
control box.
2.
Close the isolating valves (8) in the heating circuit.
3.
Connect a flexible tube to the drain cock (9).
4.
Open the drain cock (9) to drain the heating circuit.
Draining the hot water circuit
(Fig. 19)
1.
Move the main switch on the control panel to “OFF” and isolate
the boiler from the electrical supply at the switch on the external
control box.
2.
Reduce the pressure in the heating circuit until the pressure
gauge reads zero.
3.
Close the tap (7) and isolating valve (11).
4.
Open the drain cock 9 first, then 10.
5.
Allow the hot water circuit to discharge to the drain.
The drain cock (9) must be at ground level for the
circuit to drain fully.
12
COMMISSIONING AND MAINTENANCE
FILLING THE HOT WATER AND HEATING
CIRCUITS
IMPORTANT
It is essential that the hot water circuit is filled before
the heating circuit.
1.
Fill the hot water circuit opening valves 7 and 8 and pressurise
it. (Fig. 19, page 13)
2.
Fill the heating circuit opening valves 4, 5 and 8 - do not exceed
a pressure of 2 bar. (Fig. 18, page 13)
3.
Vent the air in the system and the boiler.
4.
Once you have vented the system, return the pressure to static
pressure plus 0.5 bar.
Height of the heating system:
• 10 m
➠
heating circuit pressure = 1.5 bar
• 15 m
➠
heating circuit pressure = 2 bar
USING THE BOILER FOR THE FIRST TIME
1.
Check the fuel oil supply connection and ensure that it is free
from leaks.
2.
Check the electrical connection of the boiler and the boiler room
ventilation, and ensure that the flue gas discharge pipes and the
burner chamber plate are properly gas tight.
3.
Set the boiler thermostat to between 60 and 90°C.
4.
Move the Summer/Winter switch to the “Winter” position.
5.
Move the main switch to “ON”.
6.
Carry out the necessary venting operations, measurements and
settings.
SERVICING RECOMMENDATION
It is essential that you have the boiler serviced once a year. Boiler
servicing and checking the burner must be carried out by a qualified
engineer.
BOILER MAINTENANCE
(Fig. 17)
1.
Isolate the boiler from the electrical supply at the switch on
the external control box, and close the fuel oil supply valve.
2.
Move the main switch on the control panel to “OFF”.
3.
Remove the front panel from the boiler (1).
4.
Open the burner chamber plate (2) by undoing the two nuts.
5.
Take out the stainless steel turbulators (3).
6.
Brush the flue ways, clean the combustion chamber and vacuum
up the soot deposits.
7.
Check the condition of the insulation on the burner chamber
plate (4).
8.
Before re-assembly, clean the burner combustion head (5).
9.
Check that the thermostats and safety valves are in good
working order.
Fig. 17
1
2
3
5
4