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AR850 ALTITUDE REPORTER

(L/C)30,700ft

INSTALLATION/OPERATION MANUAL

30,700 FEET

MANUAL PART NO. 03753-0623

®NARCO AVIONICS INC.

270 COMMERCE DRIVE

FORT WASHINGTON, PENNSYLVANIA, 19034

U.S.A.

PRINTED IN U.S.A.

JULY, 2003

Содержание AR850

Страница 1: ...ER L C 30 700ft INSTALLATION OPERATION MANUAL 30 700 FEET MANUAL PART NO 03753 0623 NARCO AVIONICS INC 270 COMMERCE DRIVE FORT WASHINGTON PENNSYLVANIA 19034 U S A COPYRIGHT NARCO AVIONICS INC 1990 PRINTED IN U S A JULY 2003 ...

Страница 2: ...Inc to ensure accuracy in the preparation of this Installation Manual Narco assumes no responsibility for errors or omissions NARCO AVIONICS INC CAN BE REACHED BY CALLING PHONE 215 643 2900 FAX 215 643 0197 CUSTOMER SERVICE LINE 215 643 2905 TABLE OF CONTENTS ...

Страница 3: ...titude Code Line Characteristics 2 10 2 4 5 Interconnect Cable Fabrication 2 11 2 4 6 Correspondence Test 2 12 2 4 6 1 Test Equipment Requirements 2 12 2 4 6 2 Test Procedure 2 12 2 4 7 Interconnect Wiring Diagrams 2 14 2 4 7 1 AR850 to AT155 AT150 AT50 50A Installation 2 14 2 4 7 2 AR850 to KING KT76 78 2 15 2 4 7 3 AR850 to KING KT76A 78A 79 2 16 2 5 Post Installation Tests 2 17 2 5 1 Preflight ...

Страница 4: ...THIS PAGE LEFT INTENTIONALLY BLANK ...

Страница 5: ...ssary to confirm proper operation NOTE Maintenance Manuals are not available to the field because all maintenance not covered in this installation manual must be performed at the factory for the following reasons 1 Sensor Scaling selected parts 2 Special Programmed PROM for linearization of the sensor output 1 2 PRODUCT DESCRIPTION The AR850 Altitude Reporter is a TSO d pressure altitude digitizer...

Страница 6: ...nches of mercury CODE OUTPUT The digitized output format is in accordance with the U S National Standard for Common System Component Characteristics for the IFF Mark X SIF Air Traffic Control Radar Beacon System SIF ATCRBS as amended December 27 1963 and is the same code specified in the International ICAO Standard Code for SSR Pressure Altitude Transmission ACCURACY The digitizer reproduces the p...

Страница 7: ...or any other logic interface requiring the following characteristics BIT OFF OUTPUT STATE Will accept from the transponder a voltage pullup of 50 Vdc at a leakage current of 100 microamps BIT ON OUTPUT STATE 0 75 Vdc at 50 ma Sinking current 1 1 Vdc at 100 ma sinking current DIGITIZER ENABLE SIGNAL INPUT The AR850 will accept continuous type digitizer enable signal information DIGITIZER ENABLED 1 ...

Страница 8: ...RIES Mounting Tray Kit 03753 0305 Installation Kit 03753 0503 Quantity Installation Kit 2 1 15 Pin Connector P101 41364 0004 3 1 Connector Hood P101 41307 0011 4 15 Connector Pins P101 41372 0010 6 2 Screw 4 40 x 5 8 84536 0708 7 1 Cockpit Label 30 700 ft 04968 0001 1 5 1 Miscellaneous Items Required but Not Supplied 1 Sufficient length of 22 AWG stranded hook up wire 2 A resettable circuit breake...

Страница 9: ...emperature Variation Section 5 Humidity Section 6 Vibration Section 8 Explosion Section 9 Waterproofness Section 10 Fluid Susceptibility Section 11 Sand and Dust Section 12 B1 B A NMO X X X X X X Z B B B B B B Fungus Resistance Section 13 Salt Spray Section 14 Magnetic Effect Section 15 Power Input Section 16 Voltage Spike Section 17 Audio Frequency Conducted Susceptibility Section 18 Induced Sign...

Страница 10: ...that all specifications be met within 4 hours after exposure Vibration Category NMO Maximum vibration limits are 0 100 double amplitude from 5 Hz to 17 Hz 1 5 G constant acceleration from 17 Hz to 500 Hz 0 5 G constant acceleration from 500 Hz to 2000 Hz Not Applicable Category X The following six Environmental Conditions do not normally exist in Civil Aircraft when recognized installation practic...

Страница 11: ...as been designed to withstand the effects of audio frequency electric and magnetic fields and induced voltage spikes as specified by Category B Radio Frequency Susceptibility Category B This equipment has been tested and is not affected by interference from other on board electronic equipment which meet Category B Emission of Radio Frequency Energy Test of RTCA Document DO 160B Emission of Radio F...

Страница 12: ...NARCO AVIONICS AR850 1 8 7 03 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 13: ...k the equipment noting any damage to shipping cartons or avionics If damage is noted retain the cartons to corroborate damage claims Inventory the received items against the lists in Section 1 5 to assure a complete order 2 2 2 Preinstallation Bench Check A preinstallation bench check may be performed without connection to the transponder The test equipment required is a 14 28 Vdc 2 amp power supp...

Страница 14: ...ive code line will read a low resistance of 200 ohms or lower USE EITHER LOWER OR HIGHER ALTITUDE TESTS PIN NO 2 3 4 5 9 10 11 12 13 CODE LINE A1 A2 A4 B1 B2 B4 C1 C4 C2 ALTITUDE 2400 HI HI HI LO HI HI LO HI LO 2800 HI HI LO LO HI HI HI LO HI 5500 HI HI LO HI LO LO HI HI LO 7500 HI LO LO HI HI LO HI HI LO 15500 LO LO HI HI HI LO HI HI LO 6500 HI HI LO HI HI HI HI HI LO 7300 HI LO LO HI HI LO LO HI...

Страница 15: ...orporated on the screw Refer to Figure 2 2 for the mechanical dimensions of the unit and tray Figure 2 3A is a 1 1 Tray Template Figure 2 3B is a 1 1 Case Template 2 3 1 Static Connections As shown here a plastic static adapter is shipped installed on the AR850 to facilitate preinstallation bench checks and or installation with 1 4 inch ID hosing to the aircraft s static system If another static c...

Страница 16: ...NARCO AVIONICS AR850 2 4 7 03 AR850 UNIT DIMENSIONS TRAY DIMENSIONS FIGURE 2 2 AR850 MECHANICAL DIMENSIONS not to scale ...

Страница 17: ...INSTALLATION SECTION 2 7 03 2 5 FIGURE 2 3A AR850 TRAY not to scale ...

Страница 18: ...NARCO AVIONICS AR850 2 6 7 03 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 19: ...INSTALLATION SECTION 2 7 03 2 7 FIGURE 2 3B AR850 CASE MOUNTING not to scale ...

Страница 20: ...NARCO AVIONICS AR850 2 8 7 03 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 21: ...bited Transponders may supply an ENABLE and or STROBE output those which supply only a STROBE output will not enable the AR850 The requirements are listed below 1 Activating the AR850 requires that a ground be applied to P101 6 the ENABLE input only when the transponder is placed in the altitude mode Normally the transponder would be the ground source The installing agency should investigate the t...

Страница 22: ...tial current draw is 1 4 amps for approximately 3 minutes the time required to heat the sensor after which the current drops to 0 35 amps average The heater current is only required for warmup c Primary power is applied to the rear connector J101 between pins 14 and 15 from the avionics bus Do not use switched A output from the transponder Connect a 2 amp resettable circuit breaker between the AR8...

Страница 23: ...et and apply solder as shown until solder wicks into socket cavity and becomes visible through inspection port 5 Insert socket into connector housing until a click is heard or felt exert a slight pull on the wire to assure socket seating 6 Final assembly a Put hood in place around connector housing and cable b Position cable clamp and hole filler c Close the hood s lid and tighten 3 phillips screw...

Страница 24: ...nts Any test equipment capable of reading the code generated by the AR850 and or replies transmitted by the transponder is acceptable The most convenient equipment is the self contained ramp check type available from several manufacturers which reads the altitude in the ABCD code and or feet The pneumatic equipment must be of high quality and precision and be capable of exercising the AR850 and ai...

Страница 25: ... This adjustment affects the calibration at all altitudes and must be done first 5 Pump the system between 7000 and 30 700 ft Verify at several chosen test altitudes after transition the altimeter reads within 125 feet of the reported altitude If the correspondence is acceptable go to steps 9 and 10 if not go to step 6 6 Adjustment of correspondence above 7000 feet a Pump the system to make the al...

Страница 26: ...A Installation 2 AMPS 11 32 VDC AVIONICS BUS P101 14 AIRFRAME GROUND P101 15 P101 5 ENABLE P101 6 P101 7 A1 P101 2 P101 12 B1 P101 5 P101 14 C1 P101 11 P101 6 A2 P101 3 P101 10 B2 P101 9 P101 11 C2 P101 13 P101 8 A4 P101 4 P101 9 B4 P101 10 P101 13 C4 P101 12 NOTE AT50 50A Transponders must comply with Narco service Bulletin AT 50A 5 dated Feb 19 1975 FIGURE 2 6 AR850 TO AT155 AT150 OR AT50 50A IN...

Страница 27: ...P1 12 ENABLE P101 6 P1 6 A1 P101 2 P1 4 B1 P101 5 P1 3 C1 P101 11 P1 7 A2 P101 3 P1 1 B2 P101 9 P1 8 C2 P101 13 P1 9 A4 P101 4 P1 2 B4 P101 10 P1 10 C4 P101 12 CAUTION This drawing is for reference only Consult the manufacturer s Transponder manual to confirm proper pin connections FIGURE 2 7 AR850 TO KT 76 78 INTERCONNECTIONS ...

Страница 28: ...5 ENABLE P101 6 P1 M A1 P101 2 P1 E B1 P101 5 P1 D C1 P101 11 P1 K A2 P101 3 P1 C B2 P101 9 P1 L C2 P101 13 P1 J A4 P101 4 P1 B B4 P101 10 P1 H C4 P101 12 CAUTION This drawing is for reference only Consult the manufacturer s Transponder manual to confirm proper pin connections FIGURE 2 8 AR850 TO KT 76A 78A 79 INTERCONNECTIONS ...

Страница 29: ...tion Regulations for any additional requirements Weight Unit 0 7 lbs 0 318 kg Tray 0 090 lbs 0 041 kg Power Requirements 11 to 32 Vdc at 1 4 amps maximum during the first 3 minutes of operation 0 35 amps average after 3 minutes of operation 2 5 1 Preflight Tests A preflight test should be performed using test equipment described in section 2 4 6 1 of this manual The test shall be performed in acco...

Страница 30: ...NARCO AVIONICS AR850 2 18 7 03 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 31: ...peration of the AR850 by automatically enabling or inhibiting its operation It is in operation enabled any time the transponder is set to the altitude Mode C mode of operation The information is inhibited removed any time the altitude mode is turned OFF or to IDENT MODE A When the transponder has internal circuitry designed to inhibit the transmission of altitude information independent of the AR8...

Страница 32: ...NARCO AVIONICS AR850 THIS PAGE INTENIONALLY LEFT BLANK 3 2 7 03 ...

Страница 33: ...155 to line 2 4 7 1 Added 155 to graphic Added breaker symbol under 2 AMPS Added ground symbol next to P101 15 Added AT155 FIGURE 2 6 line Page 2 15 Added breaker symbol under 2 AMPS Added ground symbol next to P101 15 Page 2 16 Added breaker symbol under 2 AMPS Added ground symbol next to P101 15 Added ground symbol next to P101 6 ...

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Страница 35: ...MPERATURE 4 5 3 55 C 131 F ALTITUDE 4 6 1 DECOMPRESSION 4 6 2 9357 Meters 30 700 ft OVERPRESSURE 4 6 3 TEMPERATURE VARIATION 5 0 EQUIPMENT TESTED TO CATEGORY B HUMIDITY 6 0 EQUIPMENT TESTED TO CATEGORY A SHOCK 7 0 EQUIPMENT TESTED PER DO 160B OPERATIONAL 7 2 MEETS REQUIREMENTS OF DO 160B CRASH SAFETY 7 3 NOT APPLICA BLE VIBRATION 8 0 EQUIPMENT TESTED WITHOUT SHOCK MOUNTS TO CATEGORY NMO EXPLOSION ...

Страница 36: ...TED TO CATEGORY B VOLTAGE SPIKE CONDUCTED 17 0 EQUIPMENT TESTED TO CATEGORY B AUDIO FREQUENCY CONDUCTED SUSCEPTIBILITY 18 0 EQUIPMENT TESTED TO CATEGORY B ADUCED SIGNAL SUSCEPTIBILITY 19 0 EQUIPMENT TESTED TO CATEGORY B RADIO FREQUENCY SUSCEPTIBILITY 20 0 EQUIPMENT TESTED TO CATEGORY B RADIO FREQUENCY EMISSION 21 0 EQUIPMENT TESTED TO CATEGORY B OTHER TESTS FIRE RESISTANCE TESTS WERE CONDUCTED IN ...

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