Expanding The System On Multiple Heating Circuits - Promatic WDC10B Manual

EXPANDING THE SYSTEM ON MULTIPLE HEATING CIRCUITS

BUS connection to WDC controllers:
With BUS connection, we can connect any number of PROMATIC WDC controllers. The first
or the master controller physically controls heat sources, while the other (slave) controllers
control only the heating circuits.
Important: Outdoor and boiler temperature sensors must always be connected to
master controller.
Slave controller
Master controller
Slave controller
Outdoor
sensor
Heat
source
BUS connection of controllers WDC and CMP25:
With BUS connection, we can connect the PROMATIC WDC controller and any number of
PROMATIC CMP25 controllers. The first or master controller is always the WDC controller,
which physically controls heat sources, while the CMP25 controllers control the heating cir-
cuits.
Important: Outdoor and boiler temperature sensors must always be connected to
master controller.
Master controller
Outdoor
sensor
Slave controller Slave controller
[scheme 360b] [scheme 360b]
Heat
source
Service setting manual
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