EarthX ETX900-TSO Installation & Maintenance Manual Download Page 2

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E T X S E R I E S L I T H I U M B A T T E R I E S

Revision Log

Rev

Description

Date

New

Created New

4/07/2018

Update to limitations,
DO-311A

8/30/2018

Updated elect.& mech.

Installation sections;

Incorporate FAA AEG
comments.

11/24/2020

I C O N K E Y



Valuable information

Caution

Summary of Contents for ETX900-TSO

Page 1: ...the property of EarthX Inc EarthX reserves the right to make changes to its documents or products without notice It is the responsibility of each user to ensure that all applications of EarthX s prod...

Page 2: ...E R I E S Revision Log Rev Description Date New Created New 4 07 2018 A Update to limitations DO 311A 8 30 2018 B Updated elect mech Installation sections Incorporate FAA AEG comments 11 24 2020 I C...

Page 3: ...Location 9 Battery Installation 9 Battery Vent Installation 10 Fault Monitoring Installation 10 Return to Service Checks Tests 13 Aircraft Voltage Monitoring Equipment if applicable 13 Accessory Parts...

Page 4: ...t today Lithium batteries are fundamentally different than lead acid batteries A lithium battery voltage remains relatively constant while discharging while voltage for a lead acid battery decreases A...

Page 5: ...al run away containment system The design aligns with the requirements for a FAA approved lithium battery as per RTCA performance specification DO 311A and DO 160 In the event of a charging system fai...

Page 6: ...d should not exceed a Peak Power Ipp 800 390 Amps 23C 18C Rated Power Ipr 600 365 Amps 23C 18C Note Old CCA spec is Ipr at 18C The capacity demand storage requirement should not exceed 31 Amps for 30...

Page 7: ...C 20 depth of discharge 2000 cycles 10C discharge rate 25 C 80 depth of discharge Life Years 6 Years Weight 5 4lb Dimensions 6 5in L x 3 1in W x 6 6in H 166mm L x79mm W x168mm H Environmental Rating r...

Page 8: ...E T X T S O L I T H I U M B A T T E R I E S 5...

Page 9: ...e current counting to track the charge level As seen from the graph the voltage only varies 4V for nearly 80 of the discharge cycle at 25 Deg C 13 4V is a good indication of full charge while 12 8V is...

Page 10: ...0 F an equivalent lead acid battery will outperform a lithium battery see the graph below Like lead acid batteries lithium batteries discharge performance is lower as the temperature decreases meaning...

Page 11: ...on temperature At high temperatures 25 C the cell internal resistance decreases so the self discharge rate increases See the graph below for self discharge rates in per month versus temperature 30 20...

Page 12: ...Iron Phosphate batteries are very robust but if mishandled or misused they can rupture and they can burn Never disassemble the battery or disable the built in Battery Management System BMS It is reco...

Page 13: ...ied tubing should be used The tubing is chemical resistant and rated for 500 F 1 4 ID 5 16 OD Teflon tubing The supplied stainless steel elbows allow the vent tubes to be routed to the left or right s...

Page 14: ...st other manufacturers male quick connect terminals The following two examples detail how to connect the fault monitoring output to an EFIS general purpose discrete input The EFIS DC source negative m...

Page 15: ...Monitoring Connection to 12V LED Part 11MM12 Connect the LED s red wire to a spare or existing fuse or breaker off the electrical bus Use any 25 Amp to 2 Amp fuse or breaker Connect the LED s white wi...

Page 16: ...not exist or are not adjustable The low charge level is very different from a lead acid battery for a lithium battery is completely drained at approximately 11 5V and the normal resting voltage is 13...

Page 17: ...ry low self discharge rate which means the battery if disconnected from the aircraft could hold its charge for over a year However some aircraft may have systems that use a small amount of power with...

Page 18: ...ltage reading then use a voltmeter to check the voltage while charging If the battery gets hot while charging discontinue charging and use Do not charge battery in temperatures above 140 degrees F 60C...

Page 19: ...out the online warranty submission form located on the EarthX website EarthX s acceptance of any items shipped to EarthX for warranty replacement shall not be deemed an admission that the item s are...

Page 20: ...aircraft s LED or EFIS If the fault LED on the battery is not extinguished the battery should be replaced Solid Light that turns off after 3 minutes Any voltage Short Circuit protection was activated...

Page 21: ...Federal Regulations or CFR s Title 49 CFR Sections 100 185 of the U S Hazardous Materials Regulations HMR Terminology The following table describes the terminology used in this document Ah Amp Hour i...

Page 22: ...Temperature 2 4 4 11 Passed functional performance per DO 311A Section 2 2 1 11 Short Circuit with Protection Enabled 2 4 4 12 Passed functional performance per DO 311A Section 2 2 1 12 Overdischarge...

Page 23: ...6 Equipment tested to Categories B Operational Shock and Crash Safety 7 Equipment tested to Categories B Vibration 8 Equipment tested to Category R S and U aircraft zone 1 and 2 for fixed wing turboje...

Page 24: ...Lightning Direct Effects 23 Equipment identified as Category X no test performed Icing 24 Equipment identified as Category X no test performed Electrostatic Discharge 25 Equipment tested to Categorie...

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