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Mid-Continent Instruments and Avionics
th
9400 E. 34
Street N., Wichita, KS 67226 USA
Phone 316-630-0101 Fax 316-630-0723
INSTALLATION MANUAL AND
OPERATING INSTRUCTIONS
MD41-1817
Annunciation Control Unit
For Lithium Ion Battery Systems
MD41-1817
28vdc
Horizontal Mount
Manual Number 9018252
Rev. D January 27, 2020
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Summary of Contents for Midcontinent MD41-1817
- Page 1 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS MD41-1817 Annunciation Control Unit For Lithium Ion Battery Systems MD41-1817 28vdc Horizontal Mount Mid-Continent Instruments and Avionics Manual Number 9018252 9400 E. 34 Street N., Wichita, KS 67226 USA Rev. D January 27, 2020 Phone 316-630-0101 Fax 316-630-0723...
- Page 2 FOREWORD This manual provides information intended for use by persons who, in accordance with current regulatory requirements, are qualified to install this equipment. If further information is required, please contact: Mid-Continent Instruments and Avionics Attn: Customer Service Dept. 9400 E. 34 ST North Wichita, KS 67226 USA Phone 316-630-0101 Fax 316-630-0723...
- Page 3 REVISION DETAIL Rev. Date Detail 09/29/14 Initial Release. 07/29/15 Added Environmental Qualification Form. 04/25/16 Revised graphics and text to change annunciation text from STANDBY to CHARGING and FAIL to TEMP. Minor modifications to Sections 3 and 4. Added DO-160 section 22 qualification test. 01/24/20 Added wiring diagrams for 6430017-2 battery connections.
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Page 4: Table Of Contents
TABLE OF CONTENTS SECTION 1 GENERAL DESCRIPTION INTRODUCTION TECHNICAL SPECIFICATIONS 1.2.1 MODELS 1.2.2 PHYSICAL ATTRIBUTES 1.2.3 PERFORMANCE SECTION 2 INSTALLATION CONSIDERATIONS COOLING EQUIPMENT LOCATION ROUTING OF CABLES LIMITATIONS TECHNICAL SPECIFICATIONS SECTION 3 INSTALLATION PROCEDURE GENERAL INFORMATION UNPACKING AND INSPECTING 3.2.1 INCLUDED PARTS 3.2.2 AVAILABLE PARTS... -
Page 5: General Description
GENERAL DESCRIPTION INTRODUCTION The MD41-1817 products are compact, self-contained Annunciation and Control Units (ACUs). The fully integrated control unit provides annunciation for Mid-Continent Instruments and Avionics TB17 battery systems. It combines the necessary functions and annunciations required to interface with an approved system. -
Page 6: Installation Considerations
EQUIPMENT LOCATION The MD41-1817 ACU must be mounted as close to the pilot’s field of view as possible. The unit depth, with connector attached, must also be taken into consideration when selecting an appropriate location. Allow at least 3 inches of space behind the unit for connector attachment and removal. -
Page 7: Installation Procedure
When unpacking this equipment, make a visual inspection for evidence of any damage that may have incurred during shipment. 3.2.1 INCLUDED PARTS A. Main Battery ACU – MCIA P/N MD41-1817 series B. Installation Manual – MCIA P/N 9018252 3.2.2 AVAILABLE PARTS A. - Page 8 Connector Pinout Pin # Description Pin # Description CHARGING, Battery 1 Reserved HEATING, Battery 1 Pin 2 of RTD 1, Battery 2 FAIL/FAULT, Battery 1 Pin 1 of RTD 1, Battery 2 HEATING, Battery 2 Panel Lighting Input, 28VDC CHARGING, Battery 2 Pin 1 of RTD2, Battery 2 FAIL/FAULT, Battery 2 Output to Pin 1 of RTD 1, Battery 2...
- Page 9 28VDC FROM LIGHTING BUS USE 2A CIRCUIT BREAKER 28 VDC AIRCRAFT PWR BATTERY 1, 28 VDC BATTERY 1, GROUND FAIL/FAULT ANNUN, BATT 1 HEATING ANNUN, BATT 1 CHARGING ANNUN, BATT 1 RTD1/PIN1, BATT 1 BATTERY 1 OUTPUT TO RTD1/PIN1, BATT 1 INPUT FROM RTD2/PIN1, BATT 1 RTD2/PIN1, BATT 1 RTD1/PIN2, BATT 1...
- Page 10 28VDC FROM LIGHTING BUS USE 2A CIRCUIT BREAKER 28 VDC AIRCRAFT PWR BATTERY 1, 28 VDC BATTERY 1, GROUND FAIL/FAULT ANNUN, BATT 1 HEATING ANNUN, BATT 1 CHARGING ANNUN, BATT 1 RTD1/PIN1, BATT 1 BATTERY 1 OUTPUT TO RTD1/PIN1, BATT 1 105W, 1/4W INPUT FROM RTD2/PIN1, BATT 1 RTD2/PIN1, BATT 1...
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Page 11: Lighting Controls
28VDC FROM LIGHTING BUS USE 2A CIRCUIT BREAKER 28 VDC AIRCRAFT PWR BATTERY 1, 28 VDC BATTERY 1, GROUND FAIL/FAULT ANNUN, BATT 1 HEATING ANNUN, BATT 1 CHARGING ANNUN, BATT 1 RTD1/PIN1, BATT 1 BATTERY 1 OUTPUT TO RTD1/PIN1, BATT 1 INPUT FROM RTD2/PIN1, BATT 1 105W, 1/4W RTD2/PIN1, BATT 1... -
Page 12: Power And Signals
3.3.2 POWER AND SIGNALS Wire aircraft power and aircraft ground according to the associated ACU pins in the Pinout Diagram. Annunciation signals should be wired from the appropriate system inputs and outputs to the associated ACU pins in the Pinout Diagram. If an over temperature condition exists, pins 22 and 23 will be tied together with a 100Ω... -
Page 13: Mounting
Secure the indicator to the panel with two #4-40 x 3/8 flat head phillips screws. Text Direction 3.00 0.13 2.75 2X 4-40 UNC-2B 3/8" max thread depth 2.50 0.80 R0.16 typ. 2.25 Momentary Switch FIGURE 6 OUTLINE DRAWING MD41-1817 Rev. D January 27, 2020 Manual Number 9018252... -
Page 14: Operation
SECTION 4 OPERATION FRONT PANEL CONTROLS AND ANNUNCIATIONS 4.1.1 CONTROLS BATT/HEAT There are 2 different TB17 battery modes of operation that will determine actions when the BATT/HEAT momentary switch is depressed (see Manual Number 9018047, section 4.3 that describes Sleep and Active mode of TB17): sleep mode ... -
Page 15: Conformance
SECTION 5 CONFORMANCE CONTINUED AIRWORTHINESS STATEMENT No periodic scheduled maintenance or calibration is necessary for continued airworthiness of the MD41 series ACU. If the unit fails to perform to specifications, the unit must be removed and serviced by Mid- Continent Instruments and Avionics or their authorized designee. Rev. -
Page 16: Appendix 1
Appendix 1 DO-160 Environmental Qualification Form MODEL NUMBER: MD41-() PART NUMBER: MD41-1817 NOMENCLATURE: MD41-() Battery Annunciation Control Unit TSO APPROVALS: MANUFACTURER: Mid-Continent Instrument Co., Inc. ADDRESS: 9400 E. 34 St. North, Wichita, KS 67226, USA. MANUFACTURERS SPECIFICATIONS: Minimum Performance Specifications:...
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