Table Of Contents - Buderus Logamax plus GB162 Technical Manual

Table of contents

Table of contents
1 Gas condensing boilers GB162 and
GB162-25 T40S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Benefits and application areas Logamax
plus GB162 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1.1 Features Logamax plus GB162 . . . . . . . . . . . . . . 5
1.1.2 Logamax plus GB162 selection aid . . . . . . . . . . . 6
1.2 Benefits and application areas Logamax
plus GB162-25 T40S . . . . . . . . . . . . . . . . . . . . . . 6
1.2.1 Features Logamax plus GB162-25 T40S . . . . . . 6
1.2.2 Logamax plus GB162-25 T40S selection
aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.3 Overview of boiler types Logamax plus GB162 . 8
2 Technical description . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Equipment level of the gas condensing
boilers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1.1 Equipment overview Logamax plus GB162-15,
GB162-25, GB162-35 and GB162-45 . . . . . . . 9
2.1.2 Equipment overview Logamax plus
GB162-25 T40S . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1.3 Equipment overview Logamax plus GB162-50,
GB162-65, GB162-80 and GB162-100 . . . . . 12
2.2 Gas condensing boiler function principle . . . . . . 13
2.2.1 Heat exchanger and gas burner unit . . . . . . . . . . 13
2.2.2 Burner ignition and flame monitoring . . . . . . . . . 15
2.2.3 Heating circuit pump and hydraulics . . . . . . . . . 15
2.2.4 Combustion air supply and flue gas
routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2.5 Gas:air control . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3 Dimensions and specification of the gas
condensing boilers . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.1 Logamax plus GB162-15, GB162-25,
GB162-35 and GB162-45 . . . . . . . . . . . . . . . . 16
2.3.2 Logamax plus GB162-25 T40S . . . . . . . . . . . . . 19
2.3.3 Logamax plus GB162-50, GB162-65,
GB162-80 and GB162-100 . . . . . . . . . . . . . . . 22
2.4 Dimensions and specification of DHW
cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.4.1 Logalux S135 RW and S160 RW DHW
cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.4.2 Logalux S120 W, SU160 W, SU200 W
and SU300 W DHW cylinders . . . . . . . . . . . . . 26
2.5 Installed dimensions of the gas
condensing boilers . . . . . . . . . . . . . . . . . . . . . . . 27
2.5.1 Installed dimensions Logamax plus GB162-15,
GB162-25 and GB162-35
with DHW cylinders Logalux S135 RW
and S160 RW . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.5.2 Installed dimensions Logamax plus GB162-15,
GB162-25 and GB162-35
with Logalux S120 W DHW cylinder . . . . . . . . 28
2.5.3 Installed dimensions Logamax plus GB162-15,
GB162-25 and GB162-35
with Logalux SU160 W, SU200 W and
SU300 W DHW cylinder . . . . . . . . . . . . . . . . . . 29
3 Regulations and operating conditions . . . . . . . . . 30
3.1 Extracts from regulations . . . . . . . . . . . . . . . . . . . 30
2
3.2 Operating requirements . . . . . . . . . . . . . . . . . . . 30
4 Heating control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.1 Aims of the Logamatic EMS control
system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.2 Logamatic EMS control concept . . . . . . . . . . . . 32
4.3 Types of controls . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.3.1 Room temperature-dependent control . . . . . . . 32
4.3.2 Weather-compensated control . . . . . . . . . . . . . 33
4.3.3 Weather-compensated control with room
temperature hook-up . . . . . . . . . . . . . . . . . . . . . . 33
4.3.4 External room temperature sensor . . . . . . . . . . . 33
4.4 Boiler and control components in the
Logamatic EMS control system . . . . . . . . . . . . . 34
4.4.1 Universal burner control unit UBA3.5 . . . . . . . . 34
4.4.2 Logamatic BC10 base controller . . . . . . . . . . . . 34
4.4.3 RC25 programming unit . . . . . . . . . . . . . . . . . . . 36
4.4.4 RC35 programming unit . . . . . . . . . . . . . . . . . . . 37
4.5 Function modules for extending the
functions of the Logamatic EMS control
system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.5.1 Modules for the gas condensing boilers . . . . . . 38
4.5.2 ASM10 connection module . . . . . . . . . . . . . . . 39
4.5.3 MM10 mixer module . . . . . . . . . . . . . . . . . . . . . . 39
4.5.4 SM10 solar module . . . . . . . . . . . . . . . . . . . . . . . 39
4.5.5 VM10 control module for external
solenoid valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
4.5.6 WM10 low loss header module . . . . . . . . . . . . . 40
4.5.7 Logamatic Easycom telecontrol modem . . . . . . 40
4.5.8 EM10 fault message module . . . . . . . . . . . . . . . 41
4.6 Selection aid for possible equipment
levels with components of the Logamatic
EMS control system . . . . . . . . . . . . . . . . . . . . . . . 42
4.7 Logamatic 4121 and 4122 control units . . . . . 43
5 DHW heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
5.1 Decision-making aids to assist in
selecting DHW heating . . . . . . . . . . . . . . . . . . . . 46
5.2 Application limit, stratification cylinder for
the Logamax plus GB162-25 T40S . . . . . . . . . . 47
5.3 DHW heating with the cylinder primary
system (LAP, LSP) with FM445 function
module combined with the Logamax plus
GB162 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
5.4 Separate DHW heating via a 3-way
diverter valve for the Logamax plus
GB162-45, GB162-50, GB162-65,
GB162-80 and GB162-100 . . . . . . . . . . . . . . . . 48
5.5 Selection of a suitable DHW cylinder for
detached houses and two-family homes
as well as apartments . . . . . . . . . . . . . . . . . . . . . 50
5.6 DHW circulation line for DHW cylinder . . . . . . 51
6 System examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6.1 Information regarding all system examples . . . . 52
6.2 Important hydraulic system components . . . . . . 56
6.2.1 Heating water . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6.2.2 Hydraulics for maximum utilisation of the
condensing effect . . . . . . . . . . . . . . . . . . . . . . . . . 58
6 720 645 821 (2010/09) - Logamax plus GB162