Section 2
DESCRIPTION
24
If there are alarms active they will alternately be
shown with the default display. The machine status
will be displayed for 2 seconds then the alarms for
2 seconds each. For example:
To view other status press the DSP key. All temper-
atures and pressures may be displayed as well as
other status information. To scroll through the dis-
plays press the up arrow or down arrow keys. Up
arrow moves to the next display, down arrow the
previous display. To return to the default display
press the display key.
• Separator differential pressure and the max-
imum limit. If the limit is exceeded, a sepa-
rator maintenance warning will be dis-
played.
• Sump pressure and line pressure.
• Oil filter differential pressure and the maxi-
mum limit. If the limit is exceeded oil main-
tenance warning will be displayed.
• Pressure before (P4) and after (P3) oil filter.
• Oil differential pressure and the minimum
limit. If the pressure goes below the limit a
P3 LOW shutdown will occur. Oil differential
(dP3) is defined as P3-P1/2
• Unit discharge temperature and the maxi-
mum limit. If the temperature exceeds the
limit a T1 HI shutdown will occur.
• Dry side discharge temperature and the
maximum limit. If the temperature exceeds
the limit a T2 HI shutdown will occur.
• Oil temperature and the maximum limit. If
the temperature exceeds the limit a T4 HI
shutdown will occur.
• Total hours that the compressor has been
running.
• Total hours that the compressor has been
loaded.
• Last fault log. This shows the fault on the
first line and the run hours when the fault
occurred.
• Next to last fault log. This shows the fault on
the first line and the run hours when the fault
occurred.
2.11 LAMP INDICATORS
Embedded into the front panel schematic of the
compressor are several lamps. Pressing the lamp
test key will light all the lamps for 3 seconds. Each
LED lamp has the following purpose.
P1 - (Line pressure) If lit steady, signifies that P1 is
being displayed, if flashing denotes the presence of
T1 HI
@2 224
T1 HI
@1 255
HRS LOAD
000987.0
HRS RUN
001234.0
T4 210
MAX 255
T2 210
MAX 255
T1 210
MAX 255
dP3 40
MIN 1
P3 290
P4 295
dP2 4
MAX 20
P1 363
P2 358
dP1 4
MAX 10
T1 HI
360 220
STOP
360 220
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