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4.6 HDG Hydronic
INSTALLING THE CONTROLLER HOUSING
1. Mount the controller housing on its intended position on the wall.
For the holes to be drilled, see (1). Mounting it near the distributor
is recommended.
ā The controller housing is installed.
INSTALLING THE SENSORS
Depending on the hydraulic system installed, corresponding sensors
must be mounted and connected.
Danger!
Dangerous electrical current or voltage
Switch off the mains supply to the heating system during the instal-
lation.
Caution!
Material damage due to static discharge!
Electronic components can be damaged by static discharge.
Do not touch any electronic components during the installation.
The bus cable between the HDG Compatronic and HDG Hydronic
must be protected from inductive coupling through 230 V wires!
Only use screened cables for sensor extensions.
Figure 4/46 - Installing the controller housing
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