York YK - Page 15

FORM 160.75-EG1 (519)
JOHNSON CONTROLS
15
13. Starter – high supply line voltage (SSS option)
14. Proximity probe – low supply voltage (K Compressor)
15. Oil – variable speed pump – drive contacts open
I. Cycling shutdowns with a VSD include:
1. VSD shutdown – requesting fault data
2. VSD – stop contacts open
3. VSD – initialization failed
4. VSD – high phase A, B, C instantaneous current
5. VSD – phase A, B, C gate driver
6. VSD – single phase input power
7. VSD – high DC bus voltage
8. VSD – precharge DC bus voltage imbalance
9. VSD – high internal ambient temperature
10. VSD – invalid current scale selection
11. VSD – low phase A, B, C inverter heat-sink temp
12. VSD – low converter heat-sink temperature
13. VSD – precharge – low DC bus voltage
14. VSD – logic board processor
15. VSD – run signal
16. VSD – serial communications
17. Harmonic lter – logic board or communications
18. Harmonic lter – high DC bus voltage
19. Harmonic lter – high phase A, B, C current
20. Harmonic lter – phase locked loop
21. Harmonic lter – precharge – low DC bus voltage
22. Harmonic lter – DC bus voltage imbalance
23. Harmonic lter – 110% input current overload
24. Harmonic lter – logic board power supply
25. Harmonic lter – run signal
26. Harmonic lter – DC current transformer 1
27. Harmonic lter – DC current transformer 2
Equipment Overview (Cont'd)