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EUROSTER 11WBZ – USER MANUAL
MANUFACTURER: P.H.P.U. AS, ul. Polanka 8a/3, 61-131 Poznań, Poland
1. INTRODUCTION
In order to ensure proper operation of the controller and of the CH and DHW systems, please
read this manual carefully.
2. APPLICATION
EUROSTER 11WBZ is a state-of-the-art microprocessor-based controller designed for
interoperation with Central Heating (CH) coal- and pulverized coal-fired boilers in systems
equipped with furnace blowers and a domestic hot water (DHW) tank.
The controller measures the temperature in the boiler and in the DHW tank. Depending on
these temperatures, it adjusts the air flow to the furnace and controls the operation of the CH
and DHW circulation pumps.
EUROSTER 11WBZ controller is equipped with an Anti-Stop function that prevents seizing of
an idle pump rotor. It automatically turns the pumps on for 30 seconds every 14 days when
the heating season is over. Keep the controller turned on to allow the function operation after
the heating season.
3. CONTROLLER FUNCTIONS
ensure smooth adjustment of the blower rotational speed
⚫
ensure optimum operation of the boiler
⚫
prevent boiler condensation (sweating)
⚫
maintain constant water temperature in the tank
⚫
activate the DHW priority function
⚫
protect tank against cooling down
⚫
provide frost protection
⚫
provide the Anti-Stop function – protection of the blower and pumps against seizure
⚫
ensure comfortable presetting with a knob
⚫
perform operation tests of the pumps and of the blower
⚫
provide temperature readings correction
⚫
EUROSTER 11WBZ
Installation and operation manual
Manual version: 11.05.2013.
1
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Summary of Contents for EUROSTER 11WBZ
- Page 1 CH and DHW circulation pumps. EUROSTER 11WBZ controller is equipped with an Anti-Stop function that prevents seizing of an idle pump rotor. It automatically turns the pumps on for 30 seconds every 14 days when the heating season is over.
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Page 2: Controller Installation
EUROSTER 11WBZ – USER MANUAL 4. VISIBLE ELEMENTS 1. Power switch 2. LCD 3. Knob 4. Fuse The display backlight turns off by default after one minute following the end of the controller operation. The controller enables turning permanent backlight on. (section 8) 5. -
Page 3: Display Description
EUROSTER 11WBZ – USER MANUAL Caution! The voltage of the cable is 230 V. In case of damage to the cable or its extension make sure to disconnect power supply from the controller. f) checking the connection: check whether the cables have been connected correctly and tighten the covers of ⚫... -
Page 4: Turning The Controller On
EUROSTER 11WBZ – USER MANUAL Blow-throughs – the furnace temperature has exceeded the preset by more than at least a half of the hysteresis value <-> Overheating – the furnace temperature > 90 °C <-> Shutdown – failure to reach the preset temperature of the boiler within an hour or the temperature of the furnace dropped below the shutdown temperature (setting No. - Page 5 EUROSTER 11WBZ – USER MANUAL Setting windows are numbered for convenient operation of the controller. The user can change the following parameters: 1. Boiler target temperature for CH operation It is the temperature of the boiler to be maintained by the controller. In case of operation in the DHW priority mode, the controller can maintain a higher temperature to heat up the tank.
- Page 6 EUROSTER 11WBZ – USER MANUAL 12. CH pump hysteresis This is a differential temperature at which the controller turns the pump on and off. The conditions of turning the pump on and off are specified in section 13. 13. Temperature readings correction – CH sensor This is a value added to or subtracted from the measured temperature value.
- Page 7 EUROSTER 11WBZ – USER MANUAL Setting Value Numb Name Default Minimum Maximum Unit CH pump operation °C temperature CH pump hysteresis °C CH temperature readings °C correction DHW temperature readings °C correction Shutdown temperature °C Fan operation / test DHW pump operation / test...
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Page 8: Blower Control
EUROSTER 11WBZ – USER MANUAL 12. BLOWER CONTROL The boiler temperature is maintained by adjusting the amount of air blown and by controlling the pumps. In the firing-up mode when the temperature is low and the boiler may sweat, the blower is operating with its full power (determined by setting No. -
Page 9: Troubleshooting
Controller knob operates erratically Pulse generator damage – send the device to the service. 18. STANDARDS AND CERTIFICATES EUROSTER 11WBZ controller conforms to the following EU Directives: EMC, LVD and RoHS. The EC Declaration of Conformity is published and available at: http://www.euroster.com.pl 19. -
Page 10: Kit Contents
EUROSTER 11WBZ – USER MANUAL Visual signalization backlit LCD Operation temperature from +5 °C to +40 °C Storage temperature from 0 °C to +65 °C Ingress protection rating IP40 Color black Weight of the controller with cables 0.44 kg Length of cables tank temperature sensor: 5 m boiler temperature sensor: 1.5 m... -
Page 11: Electronic Waste Management Information
EUROSTER 11WBZ – USER MANUAL ELECTRONIC WASTE MANAGEMENT INFORMATION We made every effort to ensure that this controller lifetime is as long as possible. However, the device is subject to natural wear. If the device would not meet your requirements any more, you are kindly requested to have it brought in to an electronic waste management facility. -
Page 12: Warranty Certificate
EUROSTER 11WBZ – USER MANUAL WARRANTY CERTIFICATE EUROSTER 11WBZ Warranty terms: 1. The warranty is valid for 24 months from the device sale date. 2. Claimed controller together with this warranty certificate must be supplied to the seller. 3. Warranty claims shall be processed within 14 business days from the date the manufacturer has received the claimed device.
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