- 50 -
MAINTENANCE
MAINTENANCE
9
MAINTENANCE
9.1 Warnings
The procedures detailed in this chapter
must
be carried out only by a professionally
qualified person
. Thus you are advised to
contact an Authorised Service Agent.
For Ireland (IE), the servicing work must
be carried out by a competent Person.
For efficient and continuous operation of the
boiler you are advised to have, at least once
a year, maintenance and cleaning done by
an Approved Service Engineer.
Isolate the appliance from the electricity
supply
by turning off the fused spur isolation
switch adjacent to the appliance and turn off
the gas cock, before carrying out any pro
-
cedures, whatsoever, for cleaning, mainte
-
nance, opening or dismantling boiler panels.
9.2
Dismantling the external
panels
Front panel
•
Loosen the three screws
A
(Fig. 9.1).
•
Lift and remove the panel.
Fig. 9.1
Sampling point
Flue exhaust
Sampling point
Air
A
Side panels
•
Loosen the screws
B
. Bring the bottom of
the panels away from the boiler and lift them,
freeing them from the top hooks (Fig. 9.2).
Fig. 9.2
B
9.3 Emptying the c.h. system
• Close the c.h. isolating valves
(13
and
11
in
Fig. 9.3)
.
Fig. 9.3
12
13
11
Closed position
•
Open the central heating drain cock (
22 in
Fig. 9.4).
Fig. 9.4
22
Summary of Contents for RIVA PLUS HE 24S ERP
Page 55: ......
