DA20-C1 Flight Manual
Description
Doc # DA202-C1 April 06, 2010 Page 7 - 22
7.11.3. Electrical Powered Equipment
The individual consumers (e.g. Radio, Fuel Pump, Position Lights, etc.) are connected in series
with their respective circuit breakers. See Figure 7.2 for an illustration of the instrument panel.
7.11.4. Voltmeter
The voltmeter indicates the status of the electrical bus. It consists of a dial that is marked
numerically from 8 - 16 volts in divisions of 2.
The scale is divided into three colored arcs to indicate the seriousness of the bus condition.
These arcs are:
Red for 8.0 - 11.0 volts,
Yellow for 11.0 - 12.5 volts,
Green for 12.5 - 16.0 volts,
Redline at 16.1 volts.
7.11.5. Ammeter
The ammeter indicates the charging (+) and discharging (-) of the battery. It consists of a dial,
which is marked numerically from -60 to 60 amps.
7.11.6. Generator Warning Light
The generator warning light (red) illuminates during:
- Generator failure, no output from the generator
The only remaining power source is the battery (20 amps. for 30 minutes)
7.11.7. Instruments
Revision 25
The instruments for temperatures, pressures, and fuel quantity are connected to their respective
sensors. When the electrical resistance of a sensor changes it causes a corresponding change
(needle deflection) in its respective indicator.
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