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Buderus Logano US GC 144 II User Manual

Buderus Logano US GC 144 II
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Contents
Logano GC 144 II – 6 720 808 893 (2017/02)2
Contents
1 Safety considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 National regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Boiler Operating Conditions . . . . . . . . . . . . . . . . . . . . . . 4
2.4 Tools, materials and accessories . . . . . . . . . . . . . . . . . . . 4
2.5 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Dimensions and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5 Moving the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5.1 Moving the boiler with boiler cart . . . . . . . . . . . . . . . . . . 6
5.2 Lifting and carrying the boiler . . . . . . . . . . . . . . . . . . . . . 7
6 Placing the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1 Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.2 Leveling the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7 Boiler installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.1 Preparing for installation . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.2 Connecting the heating system . . . . . . . . . . . . . . . . . . . . 8
7.3 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.4 Fuel gas supply connection . . . . . . . . . . . . . . . . . . . . . . 10
7.4.1 Gas connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7.4.2 Installation at high altitudes . . . . . . . . . . . . . . . . . . . . . . 11
7.5 Filling heating system and checking for leaks . . . . . . . . 11
8 Check openings for combustion air supply and venting . . . . 12
9 Requirements for connection to chimneys or venting systems
13
10 Flue pipe installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
11 Placing the heating system in operation . . . . . . . . . . . . . . . . . 14
11.1 Starting up the GC 144 II . . . . . . . . . . . . . . . . . . . . . . . . 15
11.1.1 Prepare pressure measurement . . . . . . . . . . . . . . . . . . 15
11.1.2 Turning on heating system . . . . . . . . . . . . . . . . . . . . . . . 16
12 Final start-up procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
13 Start-up protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
14 Taking the heating system out of operation . . . . . . . . . . . . . . 20
14.1 Normal system shut-down . . . . . . . . . . . . . . . . . . . . . . . 20
14.2 Emergency shut-down procedures . . . . . . . . . . . . . . . . 20
15 Boiler inspection and maintenance . . . . . . . . . . . . . . . . . . . . . 20
15.1 Why is regular maintenance important? . . . . . . . . . . . . 20
15.2 Testing the flue system, including combustion air, air inlets
and Ventilation openings . . . . . . . . . . . . . . . . . . . . . . . . 20
15.3 Inspection of the boiler and burner . . . . . . . . . . . . . . . . 20
15.4 Preparing boiler for cleaning . . . . . . . . . . . . . . . . . . . . . 20
15.5 Cleaning the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
15.5.1 Cleaning the boiler with brushes . . . . . . . . . . . . . . . . . . 22
15.5.2 Wet cleaning (chemical cleaning) . . . . . . . . . . . . . . . . . 23
15.6 Cleaning the burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
15.7 Maintenance protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 25
15.8 Troubleshooting the GC 144 II . . . . . . . . . . . . . . . . . . . 27
16 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
17 Electrical circuit diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

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Buderus Logano US GC 144 II Specifications

General IconGeneral
BrandBuderus
ModelLogano US GC 144 II
CategoryBoiler
LanguageEnglish

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