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Oil Pressure/Temp (OPT-1)Oil Pressure/Temp (OPT-1)

Oil Pressure/Temp (OPT-1)

OI 0520911

5/20/91

Rev. C: 10/8/97 *

OPT-1 S/N:OPT-1 S/N:

OPT-1 S/N:

PT-100GA S/N:PT-100GA S/N:

PT-100GA S/N:

You must read this manual before installing or operating the instrument. This

manual contains warranty and other information that may affect your decision

to install this product and/or the safety of your aircraft.

(Primary Replacement Instrument)(Primary Replacement Instrument)

(Primary Replacement Instrument)

Operating and Installation InstructionsOperating and Installation Instructions

Operating and Installation Instructions

Electronics International Inc.Electronics International Inc.

Electronics International Inc.

63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • www.Buy-EI.com63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • www.Buy-EI.com

63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • www.Buy-EI.com

®®

Summary of content (14 pages)

PAGE 1
Oil Pressure/Temp (OPT-1) (Primary Replacement Instrument) Operating and Installation Instructions OI 0520911 5/20/91 Rev. C: 10/8/97 * You must read this manual before installing or operating the instrument. This manual contains warranty and other information that may affect your decision to install this product and/or the safety of your aircraft. OPT-1 S/N: PT-100GA S/N: Electronics International Inc. ® 63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • www.Buy-EI.
PAGE 2
Important Notice ***** MUST READ ***** If you think it is not important to read this manual, you're wrong! This manual contains important installation information that may affect the safety of your aircraft, delay your installation or affect the operation of your instrument. You Must read this manual prior to installing your instrument. Any deviation from these installation instructions is the sole responsibility of the installer/pilot and may render the STC invalid. Read the Warranty / Agreement Agreement.
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Contents Warranty ........................................................................... 2 Operating Instructions...................................................... 3 Instrument: ........................................................................................................ Analog Display: ................................................................................................ Digital Display (Oil Pressure): .......................................................................
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Warranty / Agreement Electronics International Inc. warrants this instrument and system components to be free from defects in materials and workmanship for a period of one year from the user invoice date. Electronics International Inc. will repair or replace any item under the terms of this Warranty provided the item is returned to the factory prepaid. 1. This Warranty shall not apply to any product that has been repaired or altered by any person other than Electronics International Inc.
PAGE 5
Operating Instructions OPT-1 0520911 Instrument: The OPT-1 is a precision oil pressure/temperature instrument featuring dual 90 degree analog displays. These two displays provide the primary monitoring of oil pressure and temperature and have many advantages over conventional analog gauges as described below. The digital display provides a method of monitoring oil pressure to 1 PSI or oil temperature to 1’F.
PAGE 6
Oil pressure readings at or below 5 PSI will be displayed as "00". If the digital display backlight has been permanently powered up (as recommended), the digital display will be easier to see during low ambient light conditions and at night. Digital Display (Oil T emperature): Temperature): As the oil passes through the engine, it is heated. It then passes through the oil cooler and reaches a stable temperature depending on internal engine temperatures, oil flow (pressure, etc.
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6. Check that the limit information on this instrument matches the published limits in your aircraft's P.O.H. or Flight Manual. Also, this information may be listed in the T.C. Data Sheet for your aircraft. Any AD's and/or STC's may set forth additional limitations on the operation of your engine. The limit information listed in the AML is for unmodified aircraft and is intended for reference only.
PAGE 8
Route the Backlight Wires: Connect the backlight wires as follows: 1. It is recommended to permanently power up the digital display backlight. a) For a 12-volt system connect the white/brown wire to the instrument Red Power Lead. Connect the white/red wire to ground (see Wiring Diagram). b) For a 24-volt system leave the white/brown open and connect the white/red wire to the instrument Red Power Lead (see Wiring Diagram). 2. Connect the white/orange wire to the panel light rheostat.
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transducer to an engine baffle or directly on the engine supported by an adapter or fitting. Vibration can cause the adapter to break, resulting in loss of engine oil. The pressure transducer is equipped with a 1/8" NPT male port. This port can be adapted any oil pressure line. Use only a flexible hose and fittings suitable for aircraft use. Route a flexible oil pressure line from the primary oil pressure pick up point to the pressure transducer and tighten all fittings.
PAGE 10
Any excess cable can be rolled up and tie wrapped under the instrument panel. Tie wrap these wires so they do not obstruct the freedom of travel of any controls. Do not kink this cable. Any bend in this cable should have a 1/2 inch or more radius. You may decide to cut the extension cable to a specific length. If you do this, strip each wire and double the wires over. An extra set of connectors are provided in the kit. Place a male connector on the red wire and a female connector on the yellow wire.
PAGE 11
2. Set the instrument toggle switch to "Oil Press" and check for a digital oil pressure reading of "00." A problem at this step could be caused by a poor connection or crossed pressure transducer wires. The voltage on the pressure transducer wires (with the transducer connected to the unit) should measure as follows: Red Wire Black Wire Green Wire White Wire - +5 Volts. 0 Volts. 1.65 Volts. 1.65 Volts. 3. Set the instrument toggle switch to "Temp" and check the instrument to read proper oil temperature.
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Oil Pressure/T emp (OPT -1) Pressure/Temp (OPT-1) Wiring Diagram WD 0315911 Do not use screws longer than 1/2" (4 ea.). Circular Connector Red 3' Power Lead, connects to 12 or 24 Volt Bus. Black 3' Ground Lead, connects to Ground. White/ Brwn 3' 12V Backlight Control Line, connects to Red Power Lead for a 12V system. 12 volts turns on the digital display backlight. White/Red Wire Harness White/ Orng 3' 24V Backlight Control Line, connects to Red Power Lead for a 24V system.
PAGE 13
OPT-1 Circular Connector Connecting Cable Harness, Back View (wire side) OR Instrument Connector, Front View 2 6 W/ Org Red Blk W/ Red W/ Yel W/ Brn Note: See Wiring Diagram for hook up information. 1 3 10 14 Grn 7 Wht 16 Yel Blk Red Red 11 11 to 14 (Oil Pressure Transducer Wires). 15 Oil Temp. Extension Cable with overbraid.
PAGE 14
Specifications and Operating Features Model: OPT-1 (Oil Pressure/Temperature Instrument) Case Dimensions: 2.5" x 2.5" x 3.65" depth, 2 1/4" Bezel. PT-100GA Pressure Transducer: 0 to 100 PSI 300 PSI Proof 500 PSI Burst 1/8" NPT female Weight: Unit Only: 10 Oz. Pressure Transducer: 8 Oz. Temp Probe and 6 ft. cable: 4 Oz. Extra Extension cable: .33 Oz./ft. P-120 Temperature Probe: -50'F to 700'F 5/8 - 18 Thread Environmental: Meets TSO C47/C43a. Power Requirements: 7.5 to 35 Volts, 1/10 Amp.