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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)
Summary of Contents for Vilter VilTech
Page 1: ...VILTech micro controller Operation and service manual ...
Page 2: ...2 ...
Page 10: ...10 Notes Page ...
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Page 153: ...153 ...
Page 154: ...154 Alarm and Failure Data ...
Page 155: ...155 Alarm and Failure Data Continued ...
Page 156: ...156 Alarm and Failure Data Continued ...
Page 158: ...158 Compressor State Table ...
Page 159: ...159 Last RECIPStart Status Table ...
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