
4.10
HANDING OVER TO THE USER
It is important to fully explain the following:
a.
Procedure to light and turn off the boiler, including isolation of the electrical supply
if necessary.
b.
The function of the lockout feature must be explained :
If the display shows “E 02” this means that the boiler has failed to light. Press the
“Reset” button and wait.
i)
If lockout recurs immediately then the gas supply should be checked as
ON, otherwise consult a Service Engineer.
ii)
If it is not possible to relight, the boiler must be isolated and a Service
Engineer called in to rectify the fault.
c.
Advise that a reduction in the water pressure reading on the system pressure
gauge, for sealed systems, indicates a leak which should be rectified before
further use.
d.
Advise that the appliance should be serviced by a competent person at least once
a year.
e.
Advise on the frost protection and pump/fan exercise feature.
f.
Hand over User Instructions.
Complete all sections of the Chapter 9 Gas Boiler Commissioning Checklist that are
relevant to the appliance installation. The details will be required in the event of any
warranty work.
g.
Advise the user that a plume of water vapour (steam) from the flue terminal is
normal and that there is no need for concern.
WD536
Chapter 4 : Commissioning
The Keston C45, C40P, C55 & C55P
Installation & Servicing Instructions
Page : 27