4
Contents
Warning ............page
2
General information for fitters, maintenance technicians and users
............page 3
1
Instruction
for
the
user
............page
5
1.1
Control
panel
............page
5
1.2
Operating
the
boiler
............page
6
1.2.1
Switching
on
............page
6
1.2.2
Boiler
shutdown
............page
6
1.3
Maintenance
............page
6
1.4
Information
for
the
user
............page
6
2 Technical characteristics and dimensions
............page 8
2.1
Technical
characteristics
............page
8
2.2
Dimensions
............page
9
2.3
Hydraulic
connections
............page
9
2.4
Technical
data
............page
10
2.5
General
specifications
............page
11
3
Instructions
for
the
fitter
............page
13
3.1
Installation
regulations
............page
13
3.2
Installation
............page
13
3.2.1
Packaging
............page
13
3.2.2 Choosing where to install the boiler
............page 13
3.2.3
Positioning
the
boiler
............page
13
3.2.4
Installing
the
boiler ............page
14
3.2.5
Boiler
room
ventilation
............page
15
3.2.6
Flue
system
............page
15
3.2.7
Flue
system
configuration
............page
17
3.2.8 Flue system with coaxial pipes 100/60 mm diameter
............page 18
3.2.9 Flue system with split pipes 80 mm diameter
............page 19
3.2.10 Measuring combustion efficiency
............page 21
3.2.11 Connection to the gas mains
............page 22
3.2.12 Connection to the power mains
............page 22
3.2.13
Hydraulic
connection
............page
22
3.3
Filling
the
system
............page
23
3.4
Starting
the
boiler
............page
24
3.4.1
Preliminary
checks
............page
24
3.4.2
Switching
on/off
............page
24
3.5
Wiring
diagram
............page
25
3.5.1
Connection
diagram
............page
25
3.6
Switching
to
different
gas
............page
27
3.7
Burner
adjustment
............page
28
3.8 Adjusting boiler output to the system
............page 29
4
Testing
the
boiler
............page
30
4.1
Preliminary
checks
............page
30
4.2
Turning
the
boiler
on
or
off
............page
30
5
Maintenance
............page
30
Содержание NIAS BTN 28
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