Table of Contents
Advertisement
4.3
SAFETY NORMS
Boiler installation and any other assistance and maintenance
must be done by Qualified Personnel according to current codes
of practice and legislation in Countries where the product is
sold.
Make sure the following operations have been carried
! !
out before any jobs to be done:
- disconnect the boiler from the electricity supply;
- turn off the gas tap;
- if necessary turn off the sanitary water inlet and taps
for heating. See paragraph FILLING AND
EMPTYING SYSTEMS in the section 7.4 page 72.
4.4
ACCESSIBILITY TO THE COMPONENTS
This chapter gives detailed explanations of how to gain access
and dismantle the main components of the boiler.
The data sheet on the component of interest can be consulted
quickly with the help of the index given here below.
INDEX:
•
•
Ignition and control electrode
•
•
•
•
•
Bithermal exchanger
•
•
NTC heating temperature control probe
•
NTC sanitary temperature control probe
•
Fumes thermostat (C.A.I. only)
•
•
Nozzles
•
•
Gas valve
•
Safety valve
•
•
•
18
page
19
page
20
pages 22-23
page
24
page
25
page
26
page
27
pages 28-30
page
32
page
33
page
34
page
35
page
36
pages 37-38
page
39
pages 40-41
page
42
page
43
page
44
pag.
44
caldaie
Advertisement
Table of Contents
