EUROSTER 813 User Manual
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EUROSTER 813 User Manual

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EUROSTER 813 – USER MANUAL
1
EUROSTER 813
INTRODUCTION
The Euroster 813 is a din-rail mount Solar controller for a domestic water heating system.
It is designed to be used as differential temperature controller to control a solar collector
and maximum 2 storage tanks subject to the chosen operating mode.
The controller is able to control an auxiliary heating (boiler or electric) elements to provide
supplementary heat. Users can program the required time schedule to automatically start-stop
the auxiliary heating.
The unit provides 4 operating modes for users to choose from. A preventive measure is build-
in to prevent error from occurrence whilst in selecting the required operating mode. Graphic
of each required mode that will be shown on the LCD of the unit,as below.

Graphic descriptions to operation logic in each of 4 operating modes:

Normally Closed (before setpoint/limitation)
Normally Opened (before setpoint/limitation)
Mode-1: 2 sensor operation with 1 storage tank
S1 - Solar collector temperature sensor
S2 - Lower storage tank temperature sensor

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Summary of Contents for EUROSTER 813

  • Page 1 EUROSTER 813 INTRODUCTION The Euroster 813 is a din-rail mount Solar controller for a domestic water heating system. It is designed to be used as differential temperature controller to control a solar collector and maximum 2 storage tanks subject to the chosen operating mode.
  • Page 2 EUROSTER 813 – USER MANUAL Mode-2: 3 sensor operation with auxiliary heater S1 - Solar collector temperature sensor S2 - Lower storage tank temperature sensor S3 - Thermostatic sensor Mode-3: 3 sensor operation with auxiliary boiler S1 - Solar collector temperature sensor...
  • Page 3 EUROSTER 813 – USER MANUAL The control-logic of Euroster 813 explained in the graphic descriptions 1. Operating voltage : 100 ~ 240 V AC 50/60 Hz 2. Output rating : (Solar collector circulation Pump) Output A - Volt output, 7 Amp \ 250 V AC (Auxiliary heating) Output B-Volt output, 16 Amp\250 V AC 3.
  • Page 4 EUROSTER 813 – USER MANUAL Overheating in the solar collector In operating mode-1/2/3 Output A will be turned on when S1 temperature ≥ S1 Hi temp. limits. setpoint and S2 temperature ≤ S2 (Hi temp. limits. Setpoint -2°C) Output A will be turned off when S1 temperature ≤ (S1 Hi temp. limits. setpoint -5°C) and S2 ≤...
  • Page 5 EUROSTER 813 – USER MANUAL maintain the water in the storage tanks at the required temperature. The setpoint at S2 controls the ON/OFF in Output A. The setpoint at S3 controls the ON/OFF in Output B. S2 : Setting range from 10°C to 100°C. Default setting 60°C...
  • Page 6 EUROSTER 813 – USER MANUAL Remove battery insulation before wiring Wiring The retractor on the back of the plastic housing is for clamping the unit on the Wall or Rail. Follow the graphic description below when mounting the unit. Insert a Flat-head screw-driver in the position as Tilt the screw-driver to the direction as shown shown above.
  • Page 7 EUROSTER 813 – USER MANUAL Mount/Remove the unit in din-rail mountl Align the top of the back plastic housing with the Push down the retractor to remove the unit off the top of the Din-rail. Push down the retractor and din-rail.
  • Page 8 EUROSTER 813 – USER MANUAL A. Set/Adjust the Clock 1. Press to set the correct Hour of the day 2. Press to set the Minutes. 3. Press to set the correct minutes 4. Press to set/adjust next setting. B. Anti-frost protection A-F (refer to the page of Specification Item-8 for a detailed description) 1.
  • Page 9 EUROSTER 813 – USER MANUAL 4. Press to go to the next setting G. Set/Adjust Operation setpoint and Hysteresis (Switching differential) in S3 (Thermostatic in Output B. Refer to the page of Specification Item-13 for a detailed description) 1. Press to choose the required S3 point 2.
  • Page 10 EUROSTER 813 – USER MANUAL activated. Refer to the page of Specification Item-6 Anti-seizing protection for the details. When this unit is operating in stand-by mode, pressing the button will resume its operation. Remark: Under two situations the backlight on the LCD will be flashing to alert users;...
  • Page 11 EUROSTER 813 – USER MANUAL If the temperature at S3 could not reach the required A-L setpoint after this function has been in operation for one hour, the backlight will be flashing to alert users that the anti-legionella function has failed to operate.
  • Page 12 SIMPLIFIED DECLARATION OF EU CONFORMITY P.H.P.U. AS AGNIESZKA SZYMAŃSKA-KACZYŃSKA hereby declares that the type of Euroster 813 equipment conforms to the following directives: 2014/35/EU (LVD), 2014/30/EU (EMC), 2011/65/EU (RoHS). The complete text of the Declaration of EU conformity is available at the following Internet address: www.euroster.pl...

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