EUROSTER 12M
–
USER MANUAL
2
3.
230 V 50 Hz power cable of the valve actuator
4.
Connection cable of a room thermostat
5.
Outdoor temperature sensor cable
6.
Cable of the controlled zone temperature sensor
7.
Feeding temperature sensor cable
8.
Power switch
9.
LCD
10.
Knob
a. Display
The display shows the following information:
•
Current and preset temperature of the heating zone
•
Current feeding temperature of the heating system
•
Outdoor temperature
•
Switched on devices
•
Date and time
•
Controller status (animation of mixer operation, heating season, alarms, etc.)
Example of screen.
b. Meaning of Display Symbols
H
–
operation with hourly schedule
–
pump output switched on
WINTER
–
heating season
AS
–
anti-stop system active
AF
–
frost protection switched on
–
automatic operation function switched on; if the heating is off, the symbol flashes
Indicates opening of the mixer.
Indicates closing of the mixer.
The symbol is displayed if the mixer is neither being opened nor being closed
(e.g. within the hysteresis or during gaps between turning steps resulting from the PI
algorithm).
5. CONTROLLER INSTALLATION
GENERAL SAFETY RULES
•
It is necessary to read this user manual carefully prior to the
commencement of the installation works. Incorrect installation and
improper use may lead to a serious hazard to a user or other persons and
result in material damage! Prior to mounting or dismantling and
maintenance of the controller, make sure that it is de-energized!
•
Dangerous voltages, hazardous to life, may be present on the controller
and its cables, therefore only qualified technicians holding authorization
for electrical works may be entrusted with the installation of the
controller!
•
Do not install the controller in rooms of increased humidity, substantial
dustiness or with presence of caustic or flammable vapors, protect
it against water and other liquids!
