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18. CONTROL UNIT ST 81 zPID
The control unit ST 81 zPID is intelligent system, that operates the maximum capacity output of the Boiler regarding the
information received from the chimney sensor.
The control unit controls the temperature of flue gas and ensures minimal oscillation of the outlet water temperature. By the PID
algorithm there is up to 13 % save in the fuel consumption. There are no not controlled heat losses to the chimney.
Technical Specifications/Parameters:
Power Supply/Voltage
Power Input
Operating Temperature
Circular Pump Maximum Output Load
Fan Maximum Output Load
Temperature Measuring Range
Temperature Adjustment Range
Sensor Thermal Resistance
Fuse
END USER SETTINGS:
Turning the Control Unit ( CU ) On/Off : Use the Power button to switch the CU ON (I) or OFF (O).
In addition to the LCD display, there are three pilot lights located on the front of the CU to indicate the operations:
- fan
- pump
- fire up
Service manual for CONTROL UNIT ST 81 zPID
For MAGA WOOD-FIRED GASIFYING BOILER
230 V / 50 Hz
+/–10 %
4 W
10 – 50 º C
1 A
1 A
0 through 95 º C
40 through 90 º C
– 25 through 100 º C
3,15 A
14
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