3.2 Accessories for Ecotronic
Modules and data cables
The standard Ecotronic version can be customised with additional
controller modules or controllers and data cables. Additional heat
sources, heat consumers or DHW cylinders can be incorporated into
the control system with/without solar heating circuit backup.
Data cables
The data cable connects the individual modules to the overall system
control unit. Data cables can be connected together (max. 2 cables).
The total length of all CAN BUS cables must not exceed 200 m.
Note
Every time the system is extended, it is necessary to check whether a
data cable is required. Each additional controller module requires a
corresponding data cable.
Designation Part no.
Data cable with connector 10.0 m standard 7387 587
Data cable with connector 2.0 m 7387 858
Data cable with connector 5.0 m 7388 000
Data cable with connector 20.0 m 7388 025
Data cable with connector 40.0 m 7387 588
Data cable with connector 80.0 m 7387 972
Data cable with Y-distributor 7387 948
Controller module
The controller module is supplied in a plastic casing (length 325 mm,
height 195 mm, depth 75 mm) incl. outside temperature sensor (QAC
31).
The control keys for the controller module are available at the pro-
gramming module and are enabled according to the number of con-
trollers.
Either 3 or 5-sensor cylinder management is available. 5-sensor cyl-
inder management requires an additional controller module.
Optional combinations
Additional controller modules for an additional charge
Programming module with
key extension
1 controller module 2 controller modules 3 controller modules
12 controller keys Max.
4 controllers
and
7 sensors possible
Max.
8 controllers
and
14 sensors possible
Max.
12 controllers
and
21 sensors possible
Overview: Possible Ecotronic controllers
Controller Part no. Keys Number of control-
lers
Number of sensors
Controller, additional heat sources
Heat source, parallel 7387 908 1 2 1
Controller, central heating
Central heating (heating circuit with mixer) 7379 402 1 1 1
Adjacent building 7387 865 1 2 2
Long-distance line 7379 401 1 1 1
Space heater group 7387 825 1 1 1
Room controller QAA 35
*8
7379 405 — — 1
Safety thermostat
*9
7387 940 — — —
DHW controller
DHW cylinder B1 (without flow control) 7387 853 1 1 1
DHW cylinder B2 (with flow rate control) 7379 400 1 1 2
DHW circulation 7387 849 1 1 —
Controller, solar
Solar DHW cylinder 7387 818 1 1 2
Solar DHW and central heating 7387 786 1 2 2
Controller, cylinder management
Cylinder management 5 sensors 7387 852 1 1 4
*8
Only in conjunction with controller for central heating or controller for adjacent building
*9
For limiting the heating circuit flow temperature
Control unit
(cont.)
PYROT
15
5822 516 GB
3
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