M&M
R
EFRIGERATION
I
NC
. 3-41
Chapter 3: Operational Procedures
Oil Temperature Setpoints (without Liquid Injection)
The Oil Temperature Setpoints screen allows the operator to set acceptable
ranges for the screw oil temperature and oil sump temperature regulation.
Oil Temperature Setpoints Screen
The following table lists the data entry fields and a description of their purposes.
Oil Temperature Definitions
M & M REFRIGERATION 8:32
AM
1. START
OIL TEMP SETPTS
2. STATS
3. MODE
HIGH FAILURE XXX.X
DEGF
4.
SETPT
HIGH ALARM XXX.X
DEGF
5. SCHED
HEATER CONTROL XXX.X
DEGF
6. CNTRL
LOW ALARM XXX.X
DEGF
7. MISC
LOW FAILURE XXX.X
DEGF
8. LOGS
9. MENUS
TERM DEFINITION RANGE
HIGH FAILURE
The compressor will be failed (stopped) when the oil temper-
ature exceeds this value.
50 - 180
HIGH ALARM
The CCS will report an alarm to the operator when the oil
temperature exceeds this value.
50 - 180
HEATER
CONTROL
The temperature at which to maintain the oil in the separator.
The oil heater uses the Oil Sump Temperature sensor but
only when the compressor is stopped.
50 - 150
LOW ALARM
The CCS will report an alarm to the operator when the Oil
Sump Temperature is below this value.
0 - 180
LOW FAILURE
The compressor will be failed (stopped) when the Oil Sump
Temperature is below this value.
0 - 180
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