Honeywell SPZ-8000 - APU;BLEED System Display Indications; Engine Start Page (ENGINE START) Display

2. G. (7) APU/BLEED System Display Indications
. DAU Failures -
A DAU failure is indicated on the arc displays by
removing all color bands and data pointers from the arc and
replacing the current value di its with amber dashes.
7
The
indication
shown on the digita readout is that of replacing the
digital readout with amber dashes (Figure 236).
The above indications are given on the APU EGT, APU RPM, and left
bleed air pressure displays
for a DAU 1 failure. The failure
indications
are given on the right bleed air pressure display for
a DAU 2 failure.
(8) Engine Start Page (ENGINE START) Display
The ENGINE START system page display consists of the following
functions and annunciations (Figure 237).
. Left Bleed Air Pressure Digital Readout
● Right Bleed Air Pressure Digital Readout
. Annunciations of Fuel Pressure Low
. Annunciations of Ignition (IGN)
● Analog TGT Scales
. Analog HP Scales
● Di ital Readouts of Oil Pressure
7. Oi Pressure Warning Indications
. Sin le Rudder Limit Annunciation
i!
● Cornined Hydraulic Pressure (COMB HYD PRESS) Digital Readout
● Fli ht Hydraulic Pressure (FLY HYD PRESS) Digital Readout
8. COM /FLT Hydraulic Pressure Valve Status Indications
● Utility Hydraulic Pressure (UTIL HYD PRESS Digital Readout
4
s Auxiliary Hydraulic Pressure (AUX HYD PRES ) Digital Readout
The ENGINE START format is available for on-ground use only. The
display controller ENG START
prompt is removed when weight-off-
wheels is detected.
The ENGINE START format (Figure 237) shown is divided in half to
represent the left and right side engine parameters.
The format is
divided into five functional rows as follows:
Row 1
- ;~~cm~stsof the left and right
.
Row 2
- &sts of the left and right
.
Row 3 - ~~:;~sts of the left and right
.
Row 4
- Consists of the left and right
bleed air pressure readout
fuel pressure annunciation
SVO and IGN annunciation
analog TGT and HP scales.
Row 5
- Consists of the
left oil pressure readout box, the SING RUD
LIMIT annunciation box, and the right oil pressure readout
box.
ROW 6
- Consists of the COMB, FLIGHT, UTIL, and AUX hydraulic
pressure readouts.
22-14-00
Paqe 298.4
A~g 15/91
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