EUROSTER 1100Z – USER MANUAL
1
EUROSTER 1100Z
Euroster 1100Z is a processor-based electronic temperature controller designed to control
DHW and heating water circulating pumps. It operates with two sensors and according to two
independent temperature settings.
When incorporated in hydronic heating systems supplied by coal or gas-fired boiler it controls
forced circulation of heating water.
The function of EUROSTER 1100Z is to maintain the temperature of water at a constant level
on the hot water cylinder or on the DHW circuit.
The unit features cylinder cooling protection - to avoid excessive drop of temperature on the
hot water cylinder, following the decrease of heating boiler temperature and DHW priority
option.
EUROSTER 1100Z is equipped with ANTISTOP system, to prevent seizure of pump
rotor in idle periods.
Throughout the non-heating season every fortnight the integral
processor of EUROSTER 1100Z will automatically cycle the pump for 30 seconds. For this
function to be operational, the thermostatic controller must NOT be switched off at the end of
the heating season.
1. Status indication – DHW mode
2. Status indication – heating mode
3. DHW/ heating mode switch, temperature adjustment – up
4. DHW/ heating mode switch, temperature adjustment – down
5. On/off switch for continuous pump operation (on DHW/ heating circuits)
6. On/off mains switch
7. Power supply to DHW pump, 230 V AC
8. Temperature sensor on DHW circuit
9. Temperature sensor on heating circuit
10. Power supply to heating water circulating pump, 230 V AC
11. Power supply to controller unit, 230 V AC
1. INSTALLATION
DANGER! Dangerous voltage is present both inside the enclosure and on the
outgoing cables. Prior to installation by a qualified electrician make sure that
the unit has been disconnected from power supply to avoid the risk of electric
shock. Units with mechanical damage should not be installed.
