Buderus Logano plus GB312 Installation Manual page 3

7.19 Informing the owner/operator and
handing over technical documentation
7.20 Commissioning log
8 Shutting down the heating system
8.1 Shutting down the heating system using the programmer
55
8.2 Shutting down the heating system in an emergency 55
8.2.1 Action in an emergency
9 Heating system servicing
9.1 Preparing the boiler for servicing
9.2 General operations
9.3 Checking the flue system inc. combustion air supply,
inlet and outlet air vents
9.4 Checking the heating system operating pressure
9.5 Measuring the carbon dioxide content
9.6 Determining how dirty the burner and
heat exchanger are and cleaning them
9.6.1 Determining the extent of contamination
9.6.2 Cleaning the burner and heat exchanger
9.7 Checking gas valve for leaks
9.8 Checking for leaks during normal operation
9.9 Testing ionization current
9.10 Concluding servicing/maintenace
9.10.1 Removing instruments
9.10.2 Fitting outer casing components
9.10.3 Confirming servicing/maintenance
9.11 Servicing and maintenance logs
10 Troubleshooting
10.1 Identifying operating modes and resetting faults
10.2 Operating and fault messages
10.2.1 Operating messages
10.2.2 Fault messages
10.3 Troubleshooting safety sequence/pressure switch
11 Sensor characteristics
12 Spare parts
13 Boiler internal wiring diagram
14 Examples of Installations
14.1 Boiler, low-loss header, AM10
14.2 Boiler, low-loss header, Logamatic 4000
14.3 2 Boilers , low-loss header, Logamatic 4000
with FM 456 Module
Index
Logano plus GB312 - Technical specifications are subject to change without prior notice
53
54
55
55
56
57
57
58
58
59
59
59
61
67
69
69
69
69
69
69
70
72
72
73
73
75
88
91
92
116
117
117
118
119
120
Contents
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