EUROSTER UNI4
–
USER MANUAL
11
Connection diagram for the cooling mode.
Страница 1: ...manual carefully Manual version 01 02 2021 1 APPLICATION UNI4 is a universal controller designed to control a heating system equipped with Two independent CH zones with mixing valves e g for floor hea...
Страница 2: ...zone temperature sensor S5 CH2 zone temperature sensor R1 CH1 zone room thermostat R2 CH2 zone room thermostat P1 CH1 zone pump P2 CH2 zone pump P4 DHW circulation pump M1 230 V 3 point actuator of t...
Страница 3: ...of a gas fired boiler or other heating devices with a voltage free output NO NC relay contacts Alarm output 230 V 50 Hz output Event log the controller stores 15 last alarms or irregular situations S...
Страница 4: ...ation selecting between menu items up down next previous and a confirmation button located in the center of the knob which also clears the display of alarm warnings CAUTION When changing a setting the...
Страница 5: ...cted days of the week DHW circulation circuit schedule With the use of schedule we may preset the time of DHW circulation circuit operation on selected days of the week Heating season Switching to the...
Страница 6: ...ity to achieve thermal comfort regardless of external temperature The only requirement is to connect an outdoor temperature sensor After switching the weather compensation on temperatures of the CH zo...
Страница 7: ...ection at 0 00 The proper cleansing consists in heating the DHW tank to the temperature of 70 C and flushing the pipes with hot water The disinfection icon active in the display may last for 2 hours m...
Страница 8: ...proximate to alarm temperatures It is important to ensure a safe level of alarm temperature for each zone Pump starting temperature Above this temperature the pumps of CH 1 CH 2 zones and DHW circuit...
Страница 9: ...uirements Do not install the controller in rooms of increased humidity protect it against water and other liquids The controller is designed to be mounted on a 35 mm DIN rail in a protective cabinet D...
Страница 10: ...hermostat control may be switched on or off for each central heating zone It is only allowed to use thermostats with a voltage free normally open NO contact It is recommended to use Euroster devices T...
Страница 11: ...EUROSTER UNI4 USER MANUAL 11 Connection diagram for the cooling mode...
Страница 12: ...xceeds the required one CH circulation pump is switched on if heating is active and the mixer is not closed However if maintenance operation continuous operation was activated the pump operates withou...
Страница 13: ...hen thermostat output is disconnected after reaching the preset temperature in rooms 5 7 Buffer Pump Output Feeding no 2 voltage type This output is used to control the buffer pump the pump of additio...
Страница 14: ...nected inversely and whether it is not jammed 6 2 A selected zone is subject to overheating Check Whether the valve is not blocked Whether the mixer actuator is operating Whether the actuator cables a...
Страница 15: ...the Directive 2006 66 EC of the European Parliament and the Council Such marking informs that the electrical and electronic equipment and batteries may not be disposed of together with other househol...
Страница 16: ...on the day when the manufacturer received the claimed device 5 The device may be repaired exclusively by the manufacturer or by a party clearly authorized by the manufacturer 6 Warranty becomes void i...
