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4. PART DEFINITIONS AND ERROR TYPES .......................................................
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4.1. Heating Resistor .......................................................................................................................
30
4.2. Main Exchanger Tank .............................................................................................................. 3
2
4.3. Circuit Breaker .........................................................................................................................
33
4.4. Neutral Busbar .........................................................................................................................
34
4.5. Mainboard ................................................................................................................................
34
4.6. Relay Board .............................................................................................................................
35
4.7. Pump ........................................................................................................................................
37
4.8. Neutral and Ground Terminals .................................................................................................
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4.9. Motorised Valve .......................................................................................................................
38
4.10. Plate Exchanger. ....................................................................................................................
40
4.11. Contactor. ...............................................................................................................................
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4.12. Expansion Tank .....................................................................................................................
43
4.13. Limit Thermostat ....................................................................................................................
44
4.14. Surface Type NTC .................................................................................................................
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4.15. Submersion Type NTC ...........................................................................................................
46
4.16. Flow Sensor ...........................................................................................................................
47
4.17. Air Purger ...............................................................................................................................
48
4.18. Water Pressure Sensor ..........................................................................................................
49
4.19. Flow Turbine ..........................................................................................................................
50
4.20. 3 Bar Safety Valve ................................................................................................................. 5
1