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The controller includes system diagnostics for owners to quickly check heat pump
performance during a heating cycle. This allows remote technical support to diagnose
potential issues and provide solutions without requiring onsite servicing.
TO ACCESS THE DIAGNOSTICS:
12.8 SYSTEM RUNNING STATE
1. PRESS THE “QUERY” BUTTON
2. PRESS “SYSTEM PARMETERS”
3. USE THE “ARROWS” TO CYCLE
DIAGNOSTICS LIST OF DISPLAYED PARAMETERS WHEN HEATING
00. GAS/WATER CIRCULATION = 1 (GAS) 12. 4-WAY VALVE (DEFROST) = 0 (OFF) / 1 (ON)
1. HIGH PRESSURE SWITCH = 1 (OFF) 13. HIGH SPEED FAN = 0 (OFF) / 1 (ON)
2. LOW PRESSURE SWITCH = 0 (OFF) 14. LOW SPEED FAN = 0 (OFF) / 1 (ON)
3. WATER FLOW SWITCH = 0 (OFF) 15. CIRCULATION PUMP = N/A
4. EEV OPENING = 100 - 480 16. ELECTRIC ELEMENT = 0 (OFF) / 1 (ON)
5. EVAPORATOR COIL =
5 - 15°C BELOW AMBIENT 17. RUN TIME BEFORE DEFROST = (ACCUMULATED)
6. AMBIENT TEMP = CURRENT AIR TEMPERATURE 18. LINK SWITCH = 0
7. GAS SUCTION = 5 - 15°C BELOW AMBIENT 19. PROGRAMME VERSION = 5
8. GAS EXHAUST = 10 - 20°C ABOVE WATER TEMP 20. SWITCH 1 = 0 (PREVENTS ELEMENT & HEAT PUMP RUNNING TOGETHER)
9. TANK TEMP = CURRENT WATER TEMPERATURE 21. SWITCH 2 = 0 (PREVENTS ELEMENT & HEAT PUMP RUNNING TOGETHER)
10. PIPE WATER TEMP = N/A 22. POWER SUPPLY PHASE = 1
11. COMPRESSOR = 0 (OFF) / 1 (ON) 23. COMPRESSOR CURRENT = CURRENT VOLTAGE)
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