Buderus Logamax plus GB162 Technical Manual page 44

4 Heating control
Control options, Logamatic 4122 control unit
Control unit Slots
Logamatic 4121
(master 'device)
Logamatic 4122
(extension for
master 'device)
Logamatic 4122
(master 'device)
Table 16 Control and extension options for the Logamatic 4121 and 4122 control units
1) When using the FM445 function module, DHW heating through the ZM424 central module will be disabled.
The modules of the Logamatic EMS cannot
be controlled via the Logamatic 4000 control
system.
44
Optional function modules
ZM424
1
(standard equipment level)
FM442
FM443
FM444
1
1)
FM445
FM446
FM448
FM456 KSE2 (FM457 KSE4)
FM441
FM442
FM443
2
FM445
(alternative to the FM441)
FM446
FM448
1 FM456 KSE2 (FM457 KSE4)
FM456 KSE2 (FM457 KSE4)
FM441
FM442
FM443
1
FM445
(alternative to the FM441)
FM446
FM448
Control options
Heating circuits 1 and 2, DHW heating, gas condensing
boiler
Heating circuits 3 and 4
Solar thermal system with one or two consumers
Module for connecting an alternative heat source or buffer
cylinder
DHW heating via the cylinder primary system with external
heat exchanger
EIB interface (European Installation BUS)
Central fault message
Cascade module for gas condensing boilers 2 to 3 (2 to 5)
1 additional heating circuit, DHW heating
2 additional heating circuits (up to 56 heating circuits with
14 Logamatic 4122 substations)
Solar thermal system with one or two consumers
DHW heating via the cylinder primary system with external
heat exchanger
EIB interface (European Installation BUS)
Central fault message
Cascade module for gas condensing boilers 1 to 2 (1 to 4)
Cascade module for gas condensing boilers 5 to 6 (5 to 8)
Heating circuit 1, DHW heating
Heating circuits 1 and 2
Solar thermal system with one or two consumers
DHW heating via the cylinder primary system with external
heat exchanger
EIB interface (European Installation BUS)
Central fault message
6 720 645 821 (2010/09) – Logamax plus GB162