Table Of Contents - Buderus Logamax plus GB142-24 Installation Instructions Manual

About these instructions
About these instructions
These Installation Instructions contain important information for the
safe and professional installation, start-up and maintenance of the boiler
with boiler capacities 24, 30, 45 and 60 kW.
These Installation Instructions are intended for professional installers,
who have the necessary training and experience for working on heating
and gas systems.
Subject to technical changes
Slight changes may be made to the illustrations, process steps and
technical data as a result of our policy of continuous improvement.
Updating of documentation
Please contact us if you have any suggestions for improvements or
corrections.

Table of contents

1 Safety and general instructions . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Hazard definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 The following instructions must be observed . . . . . . . . . 3
1.4 Observe these instructions for space heating water . . . . 4
1.5 Tools, materials and additional equipment . . . . . . . . . . . 4
1.6 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Regulations and guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Dimensions and connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5 Packaging and transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.1 Requirements for the installation room . . . . . . . . . . . . . . 9
6.2 Fitting the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.3 Making the gas connection . . . . . . . . . . . . . . . . . . . . . . 10
6.4 Fitting the heating circuit supply and return pipes . . . 10
6.5 Combustion Air and Ventilation Openings . . . . . . . . . . 13
6.6 Installation of the flue gas adapter (included in the
scope of delivery) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.7 Installation of the Exhaust and Air Intake system . . . . 14
6.8 Conversion to Propane . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.1 External connection board connections . . . . . . . . . . . 18
8 Start-up procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.1 Testing for gas leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.2 Filling the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.3 Filling the condensate trap . . . . . . . . . . . . . . . . . . . . . . 22
8.4 Bleeding the gas supply valve . . . . . . . . . . . . . . . . . . . . 22
8.5 Checking the combustion air/flue gas connection . . . 22
8.6 Checking the orifices . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.7 Inlet gas pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8.8 Checking and adjusting the gas/air ratio . . . . . . . . . . . 23
8.9 Carrying out a leak test in operating conditions . . . . . 24
8.10 Measuring the carbon monoxide content (CO) . . . . . . 24
8.11 Function testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2
8.12 Measuring the ionization current . . . . . . . . . . . . . . . . . . 24
8.13 Testing the Ignition Safety shut off device . . . . . . . . . . 25
8.14 Installing the casing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
8.15 Informing the owner, handing over the technical
documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9 BC10 basic controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.1 Operating the BC10 basic controller . . . . . . . . . . . . . . . 25
9.1.1 Switching the heating system on and off . . . . . . . . . . . . 26
9.1.2 Displaying the operating conditions of the burner
and resetting the burner or resetting burner faults . . . 26
9.1.3 Displaying the heating system status and/or faults . . . 26
9.2 Carrying out additional tasks . . . . . . . . . . . . . . . . . . . . . 27
9.2.1 Carrying out a flue gas test . . . . . . . . . . . . . . . . . . . . . . . 27
9.2.2 Selecting partial load operation (e. g. during flue
gas testing) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9.2.3 Switching the heating system to manual mode . . . . . . . 27
9.3 Configuring the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9.3.1 Adjusting the heating capacity . . . . . . . . . . . . . . . . . . . . 27
9.3.2 Setting the DHW temperature value . . . . . . . . . . . . . . . 28
9.3.3 Entering the space heating water temperature . . . . . . . 28
9.3.4 Setting the pump post-purge period . . . . . . . . . . . . . . . 28
10 Shutting down the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
10.1 Shut down the heating system using the control unit . . 28
10.2 Shutting down the heating system in the event of
an emergency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
11 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
11.1 Preparing the boiler for inspection . . . . . . . . . . . . . . . . 29
11.2 Visual inspection for general signs of corrosion . . . . . . 29
11.3 Internal leak testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
11.4 Measuring the ionization current . . . . . . . . . . . . . . . . . . 29
11.5 Measuring the inlet gas pressure . . . . . . . . . . . . . . . . . . 29
11.6 Checking and adjusting the gas/air ratio . . . . . . . . . . . . 29
11.7 Carrying out a gas leak test in operating conditions . . . 29
11.8 Measuring the carbon monoxide content (CO) . . . . . . . 29
11.9 Carrying out a pressure test of the heating system . . . . 29
11.10 Checking the functioning and the safety of the
air intake and flue gas conduit . . . . . . . . . . . . . . . . . . . . 29
11.11 Checking venting systems . . . . . . . . . . . . . . . . . . . . . . . 29
12 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
12.1 Cleaning the heat exchanger, burner and
condensate trap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
12.2 Checking and adjusting the gas/air-ratio . . . . . . . . . . . . 31
13 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
13.1 Operating messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
13.2 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
13.3 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . 33
14 Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
14.1 Start-up report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
14.2 Inspection report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
14.3 Maintenance report . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
15 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Logamax plus GB142-24/30/45/60 - 6720820104 (2017/05)