Unical Lattner ALKON 50 - Room thermostat and;or E8 heating controller connection; Connection of the Additional Safety Devices

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Instructions for the installer
Connection of the additional safety devices
- Gain access to the Y1 terminal board
- A Room Thermostat will be connected to the
terminals 1 and 2 after removal of the existing bridge
wire.
- For the Heating Controller connection use the
connecting terminals 3 and 4.
Room
thermostat
E8 heating
controller
CAUTION!
Switch off and disconnect the electricity
supply before carrying out any operations
on the electrical parts.
- For the connection remove the existing jumper.
CDS - 1
Prearrangement for the
connection of the
additional safety devices
LIGHTBLUE
LIGHTBLUE
LIGHTBLUE
For the connection of the E8
heating controller, to remove the
“bridge wire” existing between the
terminals 1 and 2.
Room thermostat and/or E8 heating controller connection
CAUTION
Switch off and disconnect the electricity
supply before carrying out any operations on
the electrical parts.
A hot water boiler installed above radiation
level or as required by the Autority having
jurisdiction, must be provided with a low water
cutoff devices either as a part of the boiler or at
the time of boiler installation.