Electronics International RSVA-3 Operating And Installation Instructions Download Page 31 | Manualshive

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Summary of Contents for RSVA-3

Page 1: ...ts Amps S0224921 4 9 83 Rev C 2 24 92 Model Model Model Model Model S N S N S N S N S N Primary Instruments Primary Instruments Primary Instruments Primary Instruments Primary Instruments VA 1A VA 1A XX RSVA 3 VA 1A VA 1A XX RSVA 3 VA 1A VA 1A XX RSVA 3 VA 1A VA 1A XX RSVA 3 VA 1A VA 1A XX RSVA 3 Operating and Installation Instructions Operating and Installation Instructions Operating and Installa...

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Page 3: ...ftheinstaller pilotandmay installationinstructionsisthesoleresponsibilityoftheinstaller pilotandmay installationinstructionsisthesoleresponsibilityoftheinstaller pilotandmay installationinstructionsisthesoleresponsibilityoftheinstaller pilotandmay rendertheSTCinvalid rendertheSTCinvalid rendertheSTCinvalid rendertheSTCinvalid rendertheSTCinvalid ReadtheWarranty Agreement ReadtheWarranty Agreement ...

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Page 5: ...e Backlight Wires 12 8 Route the Shunt Wires External Shunt Unit Only VA 1A XX 13 9 Connect the Large Shunt Wires Internal Shunt Unit Only VA 1A 13 10 Install the Instrument in the Panel 13 11 Connect the Circular Connector to the Instrument 13 12 Ground Tes 13 Troubleshooting 14 VA 1A Internal Shunt Unit Wiring Diagram 16 VA 1A XX External Shunt Unit Wiring Diagram 17 VA 1A and VA 1A XX Circular ...

Page 6: ...arranty you may return the If you do not agree to and accept the terms of this warranty you may return the product for a refund product for a refund product for a refund product for a refund product for a refund This Warranty is made only to the original user THIS WARRANTY IS IN LIEU OF ALL THIS WARRANTY IS IN LIEU OF ALL THIS WARRANTY IS IN LIEU OF ALL THIS WARRANTY IS IN LIEU OF ALL THIS WARRANT...

Page 7: ...power lead and will function regardless of installation variations or what position the mode switch is in If this light is on an External Warning Line will be pulled low which can be used to activate an External Warning Light 3 Discharge Warning Light If the bus voltage drops below 12 6 volts 25 2 volts for a 24 volt system a bright yellow Dis charge warning light will alert you of this condition ...

Page 8: ... Volts and Amps The setting of this switch will not affect the operation of the High Volts or Discharge warning lights VA 1A Installed in the Battery Lead The two common methods of installing the VA 1A or VA 1A XX in the electrical system of your aircraft are in the battery lead and in the alternator lead Following are the operating characteristics of the VA 1A installed in the battery lead 1 Mast...

Page 9: ...d discharged battery with an old battery 2 Master On Engine On The following describes the operating characteristics of the VA 1A installed in the battery lead with the master switch on and the engine on With the Mode Switch in the Amps position the VA 1A will display the charging current to the battery When the engine is first started the current will jump up to 20 amps or more and will quickly d...

Page 10: ...ipment starts to fail VA 1A Installed in theAlternator Lead Two common methods of installing the VA 1A or VA 1A XX in the electrical system of your aircraft are in the battery lead and in the alternator lead Following are the operating characteristics of the VA 1A installed in the alternator lead 1 Master On Engine Off The following describes the operating characteristics of the VA 1A installed in...

Page 11: ...olts positiontheVA 1Awilldisplaythebusvoltageto 1volts Withtheenginerunningthealternatoriscapableofraisingthebusvoltagetoadangerouslyhighlevel Itis thevoltageregulator sjobtolimitthebusvoltagebetween13 5and14 8volts doubletheselevelsfora 24 volt system Look for this level on the VA 1A A low voltage reading will cause the battery to charge very slowly A high reading can damage the battery and most ...

Page 12: ...ion and Initial Check Out A The installer and aircraft owner must read the Warranty before starting the The installer and aircraft owner must read the Warranty before starting the The installer and aircraft owner must read the Warranty before starting the The installer and aircraft owner must read the Warranty before starting the The installer and aircraft owner must read the Warranty before start...

Page 13: ...fect on the operation of the VA 1A If you have a 12 volt system set this switch down If you have a 24 volt system set this switch up Switch Access Hole Switch Up 24V Switch Down 12V VA 1A Back Panel InternalShunt VA 1A only 3 Determine how the VA Unit will be installed in your aircraft s electrical system Obtain an electrical diagram of your aircraft s alternator starter system from the service ma...

Page 14: ...ed in the Battery Lead Note The VA 1A or External Shunt should not be installed in series with the starting current With the improvements made to the VA 1A there are few disadvantages using either method Although EI s test pilot has a slight preference for the alternator lead when using the VA 1A ease of installation should be the determining factor In most cases installing the VA 1A is a simple m...

Page 15: ...alled in the Alterntor Lead This line may be connected to the Bus Master Switch Contactor or the Starter Solenoid B G VA 1AorExternalShunt Batt 11 Note TheVA 1A orshunt maybeinstalledbeforeorafter anyreversecurrentdiode Although itispreferredtoinstall itafterthereversecurrentdiode asshown 3 Determine how the VA Unit will be installed Reverse Current Diode Some aircraft do not have this diode Maste...

Page 16: ...wires do not obstruct the Be sure these wires do not obstruct the Be sure these wires do not obstruct the Be sure these wires do not obstruct the Be sure these wires do not obstruct the freedom of travel of any controls freedom of travel of any controls freedom of travel of any controls freedom of travel of any controls freedom of travel of any controls 6 Route the Power and Ground Wires Route the...

Page 17: ...n external light AL 1 buzzer ATG 1 a relay etc This wire grounds when the Discharge High Volts Warning Light is on The current in this line must be limited to 2 10 of an amp maximum Exceeding this limit will damage the unit If this feature is not used leave this line open Tie wrap this wire so it does not obstruct the Tie wrap this wire so it does not obstruct the Tie wrap this wire so it does not...

Page 18: ...ll be on the Volts position will read 11 9 to 12 5 volts 23 8 to 25 volts for a 24 volt system and the Amps position should read 0 0 amps 0 2 amps Changing the load will not change the amps reading With the master on and the engine on all lights will be off the Volts position will read 13 2 to 14 8 volts 26 4 to 29 6 for a 24 volt system and the Amps position will read 5 0 to 25 0 amps and reducin...

Page 19: ...d wire drops below 12 6 volts 25 2 volts for a 24 volt system 4 High Volts Warning Light Works Incorrectly Check that the 12 24 Volt Select Switch on the back of the unit is set properly The High Volts Warning Light will be on when the bus voltage on the Red wire exceeds 15 3 volts 30 6 volts for a 24 volt system 5 Back Light Works Incorrectly On a 12 volt system the 24 volt line must be grounded ...

Page 20: ...6 Red Black Wht Brn Wht Red Wht Yel To Bus via 1 to 2 Amp Fuse To Ground To 12 Volt Bus Open for 24 volt To 24 Volt Bus grounded for 12 To External Warning Light pulls system 12 Volt Back Light volt system 24 Volt Back Light low when the Discharge or High Volts Light is on 4 Wire or larger 4 Wire or larger Circular Connector Wire Harness VA 1A Back Panel 12 24 Volt Switch Up for 24 volt system Dow...

Page 21: ...7 Red Black Wht Brn Wht Red Wht Yel To Bus via 1 to 2 Amp Fuse To Ground To 12 Volt Bus Open for 24 volt To 24 Volt Bus grounded for 12 To External Warning Light pulls system 12 Volt Back Light volt system 24 Volt Back Light low when the Discharge or High Volts Light is on Circular Connector Wire Harness VA 1A XX 12 24 Volt Switch Up for 24 volt system Down for 12 volt system Back Panel Orange Bro...

Page 22: ...HarnessConnector BackView wireside InstrumentConnector FrontView OR Note SeeWiringDiagramfor hookupinformation Blk Red 18 Brwn Orng VA 1A XXExternalShuntUnitOnly W Brn W Red VA 1A and VA 1A XX Circular Connector W Yel ...

Page 23: ...Wires Route the wires from the and terminals of each shunt to the RSVA 3 switch mounting location via a one amp fuses see the RSVA 3 Wiring Diagram at the back of this section Pair the wires for each shunt with the corresponding wires in the RSVA 3 harness and crimp a female connector onto the wires connecting to the terminal of each shunt and a male connector onto the wires connecting to the term...

Page 24: ... reading With the master on and the engine on all lights on the VA 1A XX will be off the Volts position will read 13 2 to 14 8 volts 26 4 to 29 6 for a 24 volt system and the Amps position will read 5 0 to 15 0 amps and reducing rapidly shows batter changing current Changing the load will not change the amps reading See the operating section of this manual for futher details RSVA 3 in the Left or ...

Page 25: ...ine win Engine win Engine win Engine Air Air Air Air Aircraft craft craft craft craft 9 Pin Connector Instrument Back Panel RSVA 3 VA 1A XX Right Alternator Left Alternator Brown Orange Brown White Brown Orange White Orange Red White Red BUS Battery Master Switch Starter Solenoid These lines may be connected to the Bus or Shunt the side of the Battery Right Alternator Shunt Battery Shunt Left Alte...

Page 26: ...22 1 3 4 6 7 9 Brn Brn Red Org Wht Wht Red Wht Org Brn Org WireHarnessConnector BackView wireside Note SeeWiringDiagramfor hookupinformation RSVA 3 Circular Connector ...

Page 27: ...ight Discharge Warning Light Discharge Warning Light Discharge Warning Light For a 12 volt system the light will be on for bus voltages below 12 8 volts 0 2 volts For a 24 volt system the light will be on for bus voltages below 25 6 volts 0 4 volts The signal is sensed off the red lead High Volts Light High Volts Light High Volts Light High Volts Light High Volts Light For a 12 volt system the lig...

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