Maintenance; Warnings; Dismantling The External Panels; Emptying The D.h.w. System - Biasi RIVA ADVANCE HE M110B.24SM/C User Manual And Installation Instructions

9

MAINTENANCE

9.1

Warnings

The procedures detailed in this chapter
must be carried out only by a profes-
sionally 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 isola-
tion switch adjacent to the appliance and
turn off the gas cock, before carrying out
any procedures, whatsoever, for cleaning,
maintenance, opening or dismantling boiler
panels.
The Engineer should complete the Service
Interval Record at the back of the manual.
9.2 Dismantling the external
panels
Front panel
• Loosen the three screws A (Fig. 9.1).
• Lift and remove the panel B.
Air
Sampling points
B
Fig. 9.1
MAINTENANCE
Flue exhaust
Sampling points
A
Side panels
• Loosen the screws C. 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
9.3

Emptying the d.h.w. system

• Turn off the d.c.w .inlet isolating valve (12
in Fig. 9.3) and turn on the hot water taps
and any drain cocks.
13
Fig. 9.3
9.4

Emptying the c.h. system

• Close the c.h. isolating valves fitted by the
installer.
• Open the central heating drain cock (26 in
Fig. 9.4).
C
12
Closed
position
- 53 -