Atag XL-W Series - Page 51

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Boiler Installation
Electrical connection
External Controls
On / Off Heat Request
Input can be used for on/off control
up to 3 zones.
0– 10 Volt Input
Load and temperature control via an
0-10 volt DC input. When 0-10volt is
selected the system can only be con-
trolled with this system.
HCs+ DHW Changeover
External controller selects if the sys-
tem can only be active for DHW or
for CH and DHW.
Heat Generation Lock
As long as the input is open all heat
request are blocked.
Padin 4
Take in account PADIN 4 is 5 volt
max. Where 1,2 & 3 are 24 volt.
Cascade Connection
The connection between boilers in a
cascade is done via eBus2 in and
output.
Accessories
To connect accessories like zone
Clip-In, solar manager, cube etc. ,
use the eBus2 connection.