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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 & HOLD THE “UP ARROW”
BUTTON FOR 3 SECONDS.
2. READING THE DIAGNOSTICS
The diagnostic screen will appear. The Large
Top number is the PARAMATER. The Small
Bottom number is the VALUE
3. PRESS THE “UP ARROW”
BUTTON TO CYCLE THROUGH THE LIST
OF PARAMETERS.
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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