Installation
NOTE:
installation should be performed by a person with relevant licenses! At that time, the device must
not be at live voltage (it is necessary to ensure that the plug is disconnected from the electrical grid)!
NOTE:
Incorrect connection of wires can cause damage to the regulator!
NOTE:
the EU-48 controller must be used for installation of the boiler, so that there is no access to cable
installation slats.
The regulator cannot work in a closed central heating system. Safety valves, pressure valves and a
levelling tank protecting the boiler against boiling of water in the central heating system must be in-
stalled.
5.1 S
CHEME OF CONNECTION OF CABLING TO THE CONTROLLER
Please pay special attention during installation of the controller cabling to correct connection of earthing
wires.
Figure 1: Scheme of connection of cabling to EU-48
PE- EARTHING SYSTEM (YELLOW-GREEN)
N - NEUTRAL (BLUE)
L- PHASE (BROWN)
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