Section 11: Commissioning
Page 49
Figure 11-3:
Location of boiler control thermistor sensor and overheat
thermostat bulb
Check the following:
•
That both the overheat thermostat bulb and control thermistor
probe bulb are fully inserted in the boiler waterway pocket and
the retaining clip is fitted.
•
The condition of thermistor cable and thermostat capillary, i.e.
not damaged, broken or kinked.
11.3.2 Combustion Chamber
Open the front door. First unlock and remove the padlock (if fitted),
rotate the knob of the catch clockwise to unlatch and fully open the
front door.
Switch the electrical isolator to OFF. Refer to Figure 11-4 for location
of isolator.
the electrical isolator switch does nOt isolate the electricity
supply to the boiler. the power supply to the boiler wiring
terminal block will still be live when the isolator is set to OFF.
if required, the electrical supply to boiler should be isolated at
the fused spur supplying the heating system and controls.
!
WaRninG
Figure 11-4:
Location of electrical isolator
Fit the multi-purpose tool (provided with the boiler) into slot in door
catch. Refer to Figure 11-5.
Lift the tool handle to release the door catch and fully open the
combustion chamber door of the boiler. Refer to Figure 11-6.
Check the following:
•
The ash pan is empty and correctly located on the base of the
combustion chamber
•
The horizontal and vertical baffles are correctly fitted in the rear
of the combustion chamber.
•
The burner flame pot is correctly located in the top of the burner.
•
Close the combustion chamber door.
•
Remove the multi-purpose tool from the door catch and hang
it back on the hook provided on the panel to the left of the
combustion chamber door.
Figure 11-5:
Opening combustion chamber
Figure 11-6:
Combustion chamber door open
