Contents
Logano GB125 BE US/CA - Subject to technical modifications.
2
Contents
1
Safety instructions and explanation of
symbols
3
1.1
Safety instructions
3
1.2
Explanation of symbols
4
2
Product description
5
2.1
Intended use
5
2.2
Standards, regulations and code compliance
5
2.3
Notes on installation and operation
5
2.4
Product description
6
2.5
Boiler water quality
7
2.6
Tools, Materials and Accessories
7
2.7
Scope of delivery
7
2.8
Dimensions and specifications
8
2.9
Conditions for operation
9
2.9.1
General operating conditions
9
2.9.2
Conditions for the boiler room and the
environment
10
2.9.3
Fuel conditions
10
2.9.4
Power supply conditions
10
2.9.5
Conditions for hydraulic system and water
quality
10
2.10
Disposal
11
3
Moving the boiler
12
3.1
Reducing the boiler weight for handling
purposes
12
3.2
Lifting and carrying the boiler
13
3.3
Moving the boiler with hand truck
13
4
Placing the boiler
14
4.1
Wall clearances
14
4.2
Reversing the burner door
15
4.3
Mounting the adjustable feet
(included with B-kit)
16
4.4
Positioning and leveling the boiler
16
5
Installing the boiler
17
5.1
Flue pipe installation
17
5.2
Test ports
18
5.3
Installation options
20
5.4
Making the water connections
22
5.4.1
Installing B-kit
22
5.4.2
Mounting the drain valve
(included with B-kit)
23
5.4.3
Installation of system components
23
5.5
Filling the heating system and checking
for leaks
24
5.6
Connecting the fuel supply
25
5.7
Bleed off condensate
25
5.8
Electrical supply connections
27
5.8.1
Installing the control panel
27
5.8.2
Installing the temperature sensor assembly
28
5.8.3
Power connection and connections of
additional components
29
5.8.4
Installing cable strain relief
30
5.9
Installing the back boiler cover
30
6
Starting up the heating system
31
6.1
Bringing the system up to operating
pressure
31
6.2
Testing safety valve
32
6.3
Checking position of heat exchanger baffles 32
6.4
Preparing the heating system for operation
32
6.5
Starting up the control panel and the burner 33
6.6
Taking measurements
33
6.7
Checking the manual reset high limit (STB)
34
6.8
Installing the burner hood
34
6.9
Commissioning log
35
7
Shutting down the heating system
36
7.1
Normal shut-down
36
7.2
Shutting down the heating system in an
emergency
36
7.2.1
Action in an emergency
36
8
Heating system inspection
37
8.1
Why is regular maintenance important?
37
8.2
Preparing the boiler for inspection
37
8.3
Cleaning the boiler
38
8.3.1
Cleaning the boiler with cleaning brushes
38
8.3.2
Wet cleaning (chemical cleaning)
39
8.4
Cleaning the heat exchanger system
40
8.5
Cleaning the neutralizing system and trap
42
8.6
Checking the air supply hose
44
8.7
Check heating system operating pressure
44
8.8
Test safety valve
45
8.9
Concentric supply air and flue gas routing
45
8.10
Air supply system
45
8.11
Inspection and maintenance reports
46
9
Troubleshooting
49
10
Examples of installations
50
11
Spare parts
53
12
Wiring diagrams
61
Index
62
