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Time

Real Time with Date
Engine Hour Meter (cannot be changed by user)
Flight time or engine running time per flight

RPM

Display:

4-digit digital Display, Max. 9980 RPM

Sample Rate:

1 sample / sec

Factors:

Multiplied by 4, 2, 1 and divided by 2; 3; 4 and 6

Resolution:

20 RPM

Engine Temperatures

4 ports for Type

NiCrNi Sensor (Type K)

for CHT or EGT

Range –20°C to 999 °C, Pre/- 5°C

2 Ports

Typ Pt100

for Water or Oil

Range -20°C to 250 °C, Pre/- 2°C

4-digit digital display in °C or °F

Oil Pressure

Analogue or Switch
Range 0 to 10 bar (Analogue)
Pre/- 0,2 bar (Analogue)

Power Supply

8 V to 24 V

Back-up Battery

Standard Alkali-Manganese 9V Block 6LR61 or Lithium 9V Block for low temperature
operation recommended

Power Consumption

Instrument On 35 mA
Instrument Off 0,5 mA

Operating Temperature Range

Operating Temperature–15 °C to +50 °C (4°F to 122°F)
Environment Temperature –20°C to +60°C (-4°F to 140°F)

Weight

850 gr included Backup battery

Содержание ALPHAMFD

Страница 1: ...specifications subject to change without notice This operating manual must be given to customer with every ALPHA ALPHA ALPHA ALPHAMFD purchase BR UNIGER Flugelectronic GmbH Dr Karl Slevogt Str 5 D 82...

Страница 2: ...2 Altimeter and Air Pressure 16 4 2 1 Altitude MSL QNH 16 4 2 2 Altitude above GND AGL QFE 16 4 2 3 Flight Level FL QNE 16 4 3 Altitude Guidance Mode AGM 16 4 4 VSI Vertical Speed Indicator 17 4 4 1...

Страница 3: ...oltage 30 7 1 3 Low Fuel 30 7 1 4 Cable Breakage of Temperature Senders 30 7 1 5 Engine Temperatures too high 31 7 1 6 Altitude Guidance Mode 31 7 1 7 Oil Pressure too low or too high 31 7 1 8 RPM too...

Страница 4: ...emperature flight time real time fuel state and consumption are permanently displayed More information can be called up by pressing only a few keys e g flight log or engine hours etc The innovative LC...

Страница 5: ...e and shown values can be misinterpreted By operating the ALPHA ALPHA ALPHA ALPHAMFD the user confirms that he knows about these dangers and he is accepting responsibility for any possible risks In or...

Страница 6: ...ns If you have never before installed electrical instruments and you are not exactly sure what to do please ask someone who has experience to help you with the installation When working with senders p...

Страница 7: ...ut can be extended with standard copper leads Please observe that the ALPHA ALPHA ALPHA ALPHAMFD is equipped with two different types of temperature ports Type K and Pt100 These ports can ONLY be used...

Страница 8: ...w Use Fuel Port YES NO Attention Under set mode 37 it s up from version 4 04 possible to deactivate the fuel port This may be helpful for trikes where the gas tank is visible close to the pilot or fue...

Страница 9: ...Ground Thermocouple Type K NiCrNi Ground case screw EGT 1 Type K EGT 1 EGT 1 EGT 2 Type K EGT 2 EGT 2 CHT 1 EGT 3 Water 912 Type K CHT 1 CHT 1 CHT 2 EGT 4 Water 912 Type K CHT 2 CHT 2 Intercom Diode P...

Страница 10: ...t 7 to 28 Volts 18 BATT Gnd 18 Main aircraft ground 19 Oil Press 19 Oil pressure analog signal or switch 20 RPM Signal 20 RPM signal Screw on ALPHA ALPHA ALPHA ALPHAMFD case Ground for shield of leads...

Страница 11: ...y a precise measurement can be achieved The direction of the fuel flow MUST be from bottom to top Take care of the correct flow direction indicated by the arrow on the sender WARNING The fuel flow sen...

Страница 12: ...12 2 4 4 Drawing Fuel Flow Sender Mounting Fuel Flow Sender From Tank Fuel Filter To engine Min 60 Optimal 90 Fuel Flow Sender Mounted on Rotax 912 S as described in Section 5 3 6...

Страница 13: ...formation 3 Power On and Built In Self Test BIT By pressing the ON OFF key the instrument is switched on For a short period of time all segments of the LC display are illuminated in order to test the...

Страница 14: ...speed It is also recommended to fly different courses e g 360 270 180 und 90 to eliminate possible wind influences Additionally the speed zero point can be calibrated This is done in SET Mode 16 SPEE...

Страница 15: ...ctional pointer or single pointer More in section 4 4 1 and 4 4 2 Because it is very important to comprehend the different speed ranges at a single glance self adhesive coloured marker rings in white...

Страница 16: ...le on the ground This way the altitude shows Above Ground Level AGL or GND When switching over to air pressure while AGL is set the ALPHAMFD automatically calculates the corresponding QFE On many airp...

Страница 17: ...ude display starts flashing The same happens if the pilots descends to 1800 ft or less As soon as the pilot returns to within the desired altitude range 2000 ft 200 ft or 200 ft the alarm stops automa...

Страница 18: ...eeds 50 km h IAS This moment is also registered as take off time and can later be called up in the MEMO Mode The flight time is stopped as soon as the ALPHAMFD registers speeds of less than 50 km h IA...

Страница 19: ...Engine RPM is digitally indicated to max 9980 RPM with a resolution of 20 RPM 5 1 1 RPM Measurement RPM Port Most engines have a dedicated 12 V port for measuring the engine RPM In SET Mode 18 the ALP...

Страница 20: ...engine running time per flight Both values are displayed and stored for every flight They can be recalled in MEMO Mode see section 6 with a resolution of 1 minute Additionally the total running time o...

Страница 21: ...t into the ALPHA ALPHA ALPHA ALPHAMFD see section 5 3 8 If the pilot forgets to input this correctly the fuel state indication is INCORRECT WARNING IMPORTANT SAFETY INFORMATION The Fuel Flow Meter has...

Страница 22: ...culate the actual fuel consumption In SET Mode 37 the ALPHA ALPHA ALPHA ALPHAMFD can be programmed whether the aircraft uses a single fuel line tank to engine setting 1WAY or a fuel flow back system s...

Страница 23: ...o US Gallon h For details see section 7 6 The fuel flow indication is averaged If the RPM of the engine is changed it can take a few seconds until the new fuel flow is indicated If the FUNC SET key is...

Страница 24: ...1 by pressing the FUNC SET key for a few seconds After pressing ENTER MEMO the SET icon starts to flash This indicates that a value can be changed Now the maximum tank capacity is displayed If you ha...

Страница 25: ...ture of the source and a comparison point To show the real actual temperature the difference value must be compensated by the outside air temperature The ALPHA ALPHA ALPHA ALPHAMFD does this all the t...

Страница 26: ...the red alarm light is flashing and the excessive value is displayed together with its designator Icon so it can easily be identified Attention To stop the annoying sound and flash light and to come...

Страница 27: ...alues with other types of oil pressure senders The ALPHA ALPHA ALPHA ALPHAMFD monitors the minimum and maximum permissible oil pressure values They can be set in SET Mode 13 and 14 If the values are e...

Страница 28: ...AMFD checks the back up battery every time it is switched on If the voltage of the back up battery is too low and not sufficient to power the ALPHA ALPHA ALPHA ALPHAMFD in case of emergency the messag...

Страница 29: ...ng TEMP Maximum speed IAS Maximum RPM Maximum altitude Date of flight Take off time as soon as 50 km h IAS are exceeded Flight time and engine running time during flight switch by pressing ENTER MEMO...

Страница 30: ...arms are implemented 7 1 1 Stall Alarm and VNE Alarm When the aircraft flies slower than the set stall speed e g Vso adjusted in SET Mode 6 or flies faster than the set maximum Speed Vne adjusted in S...

Страница 31: ...ow or too high If the oil pressure drops below the minimum oil pressure SET Mode 12 or exceeds the maximum oil pressure SET Mode 13 the alarm shows up This works only with an analogue oil pressure sen...

Страница 32: ...at sender oil temp or no sender connected Check oil temperature sender ERROR 23 to 29 Altitude sensor defect Send instrument to manufacturer ERROR 30 31 USPEED TOO SMALL BIG Speed sensor defect Check...

Страница 33: ...the alphabet Arrow up scrolls through the letters and arrow down scrolls through the numbers After entering each letter digit confirm by pressing ENTER MEMO and the instrument will jump to the next c...

Страница 34: ...temperature and cabin instrument temperature C Celsius or F Fahrenheit Air pressure hPa or inHg Oil pressure Bar or PSI Altitude Meter or Feet Fuel and fuel consumption Litres and litres h or US gall...

Страница 35: ...ctual Fuel Capacity ACTUAL FUEL IN TANK Numerical 100 2 Maximum Fuel Capacity MAX FUEL TANK CAPACITY Numerical 100 3 Fuel Flow Calibration FUEL FLOW CALIBRATION TO ENGINE Numerical 100 4 Engine Hour M...

Страница 36: ...100 WaterTemp Port on off USE WATER TEMP PORT YES NO YES 32 Pt 100 Oil Temp Port on off USE OIL TEMP PORT YES NO YES 33 EGT 1 Type K Port on off USE EGT 1 PORT YES NO YES 34 EGT 2 Type K Port on off U...

Страница 37: ...Typ K M8x1 thread F0307 EGT 1 EGT Exhaust Cyl 3 Typ K M8x1 thread F0307 EGT 2 EGT Watertemp CHT Cyl head 2 Typ K M10x1 5 thread F0305 CHT 1 CHT Watertemp CHT Cyl head 3 Typ K M10x1 5 thread F0305 CHT...

Страница 38: ...rmally this is no reason for worry because the condensed water usually evaporates within a short period of time If it doesn t bring the ALPHA ALPHA ALPHA ALPHAMFD to a warm and dry place park the airc...

Страница 39: ...um fuel tank capacity in litres or US gallons Fuel Flow Meter from 5 to 49 9 litres h display in litres h or US gallons h Air Speed ALPHA ALPHA ALPHA ALPHAMFD Version A Display Range 40 220 km h Resol...

Страница 40: ...ion 5 C 2 Ports Typ Pt100 for Water or Oil Range 20 C to 250 C Precision 2 C 4 digit digital display in C or F Oil Pressure Analogue or Switch Range 0 to 10 bar Analogue Precision 0 2 bar Analogue Pow...

Страница 41: ...ful for avoiding any display delay which is normal at all LCD in subfreezing conditions 12 Warranty BR UNIGER offers a 24 month international warranty on material and workmanship on all ALPHAMFD from...

Страница 42: ...st not operate the ALPHA ALPHA ALPHA ALPHAMFD Please understand that the instrument didn t have any redundant function except the 9V back up battery which allows a certain time of instrument use if no...

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