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Title: 8500 Adjustment & Calibration
Document No: 129AC000
Sheet 3 of 12
BLEASE QUALITY DOCUMENT
BQD 083.V2
25/5/94
4.2 Initial Checks
BAV Controller Board 10110077
Check all links are fitted correctly and securely.
•
JP2 link pins1&2
•
JP5 link pins 2&3
•
GND & AGND
•
No links to be fitted to JP1 & JP3
PSU Board 10100076
•
LK2 and LK3 on PSU board both have links fitted.
Display Interface Board 10100190
•
Ensure J15 has pins 3 & 4 linked
BAV Interface Board 10110075
4.3 Reference Voltage and Electrical Supplies
With nominal mains input applied, switch ventilator ON in standby mode.
Check the following voltages are correct before proceeding any further
:
•
+24V Valve supply
PSU TP6
= +25.0
±
2.0V
•
+25V unregulated
PSU TP2
= +26.5
±
3.0V
•
Battery voltage
PSU TP4
= +14.0
±
0.8V
•
A-5V analogue supply
CPU-5VA
= -4.20
±
0.3V
•
A+5V analogue supply
CPU+5VA
= +5.0
±
0.25V
•
ALM+5V alarm supply
PSU TP7
= +5.0
±
0.25V
•
D+5V logic supply
CPU 5V
= +5.0
±
0.25V
•
+6V main supply
PSU TP3
= +6.05
±
0.3V
•
+4VREF
CPU 4V REF
=+4000
±
60mV
4.4 BAV Controller PCB
To program the controller board connect the ventilator serial cable (12600015) between the
calibration port connector on the back panel of the 8500 & a PC. Run the flash for front and back
flash programming utility on the PC under windows & download the latest BAV.ABS opcode
file.