Contents
Logano plus GB312 - Technical specifications are subject to change without prior notice
3
7.19
Informing the owner/operator and
handing over technical documentation
53
7.20
Commissioning log
54
8
Shutting down the heating system
55
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
55
9
Heating system servicing
56
9.1
Preparing the boiler for servicing
57
9.2
General operations
57
9.3
Checking the flue system inc. combustion air supply,
inlet and outlet air vents
58
9.4
Checking the heating system operating pressure
58
9.5
Measuring the carbon dioxide content
59
9.6
Determining how dirty the burner and
heat exchanger are and cleaning them
59
9.6.1 Determining the extent of contamination
59
9.6.2 Cleaning the burner and heat exchanger
61
9.7
Checking gas valve for leaks
67
9.8
Checking for leaks during normal operation
69
9.9
Testing ionization current
69
9.10
Concluding servicing/maintenace
69
9.10.1 Removing instruments
69
9.10.2 Fitting outer casing components
69
9.10.3 Confirming servicing/maintenance
69
9.11
Servicing and maintenance logs
70
10
Troubleshooting 72
10.1
Identifying operating modes and resetting faults
72
10.2
Operating and fault messages
73
10.2.1 Operating messages
73
10.2.2 Fault messages
75
10.3
Troubleshooting safety sequence/pressure switch
88
11
Sensor characteristics
91
12
Spare parts
92
13
Boiler internal wiring diagram
116
14
Examples of Installations
117
14.1
Boiler, low-loss header, AM10
117
14.2
Boiler, low-loss header, Logamatic 4000
118
14.3
2 Boilers , low-loss header, Logamatic 4000
with FM 456 Module
119
Index 120