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APPENDIX A
Alarm and Failure Data
The Alarm and Failure Data Appendix provides a table which describes all of the analog
and discrete alarms in the system. The level column describes the type of alarm or failure
and the Default column lists the factory setpoint for analog alarms.
Analog Alarms
No. Parameter Name Level Default Comments
1. High Suction Pressure Fail 70 PSIG
2. High Suction Pressure Alarm 50 PSIG
3. Low Suction Pressure Alarm 28 PSIG
4. Low Suction Pressure Fail 29.9 PSIG
5. Low Suction Pressure OEM 29.9 PSIG
6. High Discharge Pressure OEM 225 PSIG for NH3
275 PSIG for R22
7. High Discharge Pressure Fail 225 PSIG for NH3
275 PSIG for R22
8. High Discharge Pressure Alarm 215 DEGF
9. High Discharge Temperature OEM 212 DEGF
10. High Discharge Temperature Fail 212 DEGF
11. High Discharge Temperature Alarm 200 DEGF
12. High Oil Temperature OEM 180 DEGF
13. High Oil Temperature Fail 155 DEGF
14. High Oil Temperature Alarm 140 DEGF
15. Low Oil Pressure Alarm 15 PSIG
16. Low Oil Pressure Fail 10 PSIG
17. Low Oil Pressure OEM 10 PSIG
18. Low Intermediate Temp(Two Stage) Fail 50 DEGF
Spare(One Stage)
19. High Process Temperature(Option) Fail 50 DEGF
20. High Process Temperature(Option) Alarm 45 DEGF
21. Low Process Temperature(Option) Alarm 30 DEGF
22. Low Process Temperature(Option) Fail 25 DEGF
23. High Intermediate Pressure(Two Stage) Fail 103 PSIG
Spare(One Stage)
24. High Intermediate Pressure(Two Stage) Alarm 58 PSIG
Spare(One Stage)
25. Low Intermediate Pressure(Two Stage) Alarm 45 PSIG
Spare(One Stage)
26. Low Intermediate Pressure(Two Stage) Fail 40 PSIG
Spare(One Stage)