Tesla TI1560 12-24 GPU User manual

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Power Anytime, Anywhere
Tesla Industries, Inc.
101 Centerpoint Blvd.
New Castle, DE 19720
[phone] Phone
[phone] Fax
www.teslaind.com
Tesla™TI1560 12-24 GPU
User Manual

NOTE: All users must read this entire manual prior
to operating the TI1560 12-24 GPU.
The TI1560 12-24 GPU is a limited maintenance-free and sealed unit. No repairs are authorized. Warranty
will be voided if unit is tampered with in any way, or if unauthorized repairs are made. For technical support
please contact:
TESLA™ INDUSTRIES INCORPORATED
101 CENTERPOINT BLVD.
CENTERPOINT INDUSTRIAL PARK
NEW CASTLE, DELAWARE 19720
PHONE: [phone]
FAX: [phone]
WEBSITE: www.teslaind.com
EMAIL: [e-mail]
Improper use or failure to follow instructions in this user manual can result in unit damage and/or injury or
death by electrical shock.
Any attempts to open or examine the inside of the TI1560 12-24 GPU via a tool or device (borescope, probe,
etc.) can result in unit failure and/or injury by electrical shock. This GPU is maintenance free and should not
be opened or disassembled for any reason.
Always protect the unit from short circuit.
Shipping Hazards: The TI1560 12-24 GPU contains sealed, dry cell rechargeable batteries that do not pose
a shipping hazard.
No part of this manual may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying, recording, or any information storage and retrieval system, without prior
written permission from Tesla™ Industries, Inc.
Copyright © 2014 by Tesla™ Industries, Incorporated. All rights reserved.
02-12-15
Shock Hazard Potential
CAUTION

Page 1 of 2
®™
INFORMATION ONLY - PL E A S E R E A D SE C T I O N X
SECTION I - PR O D U C T A N D MA N U F A C T U R E R ID E N T I T Y
Product Identity:
Tesla®™ Turbo Start®™ Ground Power Unit (GPU) and Micro Power Unit (MPU)
Containing Dry Cell (Starved Electrolyte) Batteries
Used on Aviation/Military Application
Manufacturer’s Name andAddress: Emergency Telephone Number:
Tesla Industries Inc. [phone]
101 Centerpoint Blvd. Fax: [phone]
New Castle, Delaware 19720 www.Teslaind.com
SECTION II - IN G R E D I E N T S
Hazardous Components CAS # OSHA PEL-TWA % (By weight)
Lead 7439-92-1 50 µg/m345 - 60 %
Lead Dioxide 1309-60-0 50 µg/m315 - 25%
Sulfuric Acid Electrolyte 7664-93-9 1.0 mg/m315 - 20%
Non-Hazardous Materials N/A N/A 5 - 10%
Revision Date: April 2, 2014
SECTION III - PH Y S I C A L /CH E M I C A L CH A R A C T E R I S T I C S
Boiling Point - N/A Specifi c Gravity (H2O=1) - NA
Vapor Pressure (mm Hg.) - N/A Melting Point - N/A
Solubility in Water - N/A Appearance & Color - N/A
SECTION IV - FI R E & EX P L O S I O N HA Z A R D DA T A
Flash Point (Method Used): N/A Flammable Limits: N/A LEL: N/A UEL: N/A
Extinguishing Media: Multipurpose Dry chemical CO2or water spray.
Special Fire Fighting Procedures: Cool GPU/MPU exterior to prevent rupture. Acid mists and vapors in a fi re are toxic and corrosive.
Unusual Fire and Explosion Hazards: Hydrogen gas may be produced and may explode if ignited. Remove all sources of ignition.
SECTION V - RE A C T I V I T Y DA T A A N D SH I P P I N G /HA N D L I N G EL E C T R I C A L SA F E T Y
Stability: Stable
Conditions to Avoid: Avoid shorting, high levels of short circuit current can be developed across the battery terminals. Do not rest tools or cables on the
battery. Avoid over-charging. Use only approved charging methods. Do not charge in gas tight containers.
SECTION VI - HE A L T H HA Z A R D DA T A
Routes of Entry: N/A Health Hazards (Acute & Chronic): N/A
Emergency & First Aid Procedures: Battery contains acid electrolyte, which is absorbed in the separator material. If battery case is punctured,
completely fl ush any released material from skin or eyes with water.
Proposition 65: Warning: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals
known to the State of California to cause cancer and reproductive harm. Batteries also contain other chemical
known to the State of California to cause cancer. Wash hands after handling

Page 2 of 2
SECTION VII - PR E C A U T I O N S F O R SA F E HA N D L I N G & US E
Steps to be taken in case material is
released or spilled Avoid contact with acid materials. Use soda ash or lime to neutralize. Flush with water.
Waste Disposal Method Dispose of in accordance with Federal, State, & Local Regulations. Do not incinerate. Batteries should be
shipped to a reclamation facility for recovery of the metal and plastic components as the proper method of
waste management. Contact distributor for appropriate product return procedures.
SECTION VIII - CO N T R O L ME A S U R E S - NO T AP P L I C A B L E
SECTION IX - OT H E R RE G U L A T O R Y IN F O R M A T I O N
Tesla™ Industries GPU/MPU batteries are starved electrolyte batteries, which means the electrolyte is absorbed in the separator material. The batteries
are also sealed.
NFPA Hazard Rating for Sulfuric Acid:
Health (Blue) = 3 Flammability (Red) = 0 Reactivity (Yellow) = 2 Sulfuric Acid is Water Reactive if concentrated.
U.S. DOT: Tesla™ Industries GPU/MPU batteries are classifi ed as Nonspillable. They have been tested and meet the nonspillable criteria listed in 49
CFR § 173.159(f) and 173.159a(d)(1).
Nonspillable batteries are excepted from 49 CFR Subchapter C requirements, provided that the following criteria are met:
The batteries must be securely packed in strong outer packagings and meet the requirements of 49 CFR § 173.159a. 1. The batteries’ terminals must be protected against short circuit.2.
Each battery and their out packaging must be plainly and durably marked “NONSPILLABLE” or “NONSPILLABLE BATTERY”.3.
The exception from 49 CFR, Subchapter C means shipping papers need not show proper shipping name, hazard class, UN number and packing group.
Hazardous labels are not required when transporting a nonspillable battery.
IATA: Tesla™ Industries GPU/MPU batteries have been tested and meet the nonspillable criteria listed in IATA Packing Instruction 872 and Special
Provision A67. Nonspillable batteries must be packed according to IATA Packing Instructions 872. This means shipping papers need not show proper
shipping name, hazard class, UN number and packing group. Hazardous labels are not required when transporting a nonspillable battery.
These batteries are excepted from all IATA regulations provided that the batteries are packed in a suitable out packaging and their terminals are pro-
tected against short circuits.
IMDG: Tesla™ Industries GPU/MPU batteries have been tested and meet the nonspillable criteria listed in Special Provision 238. Non-spillable batteries
must be packed according to IMDG Packing Instruction P003. This means shipping papers need not show proper shipping name, hazard class, UN num-
ber and packing group. Hazardous labels are not required when transporting an nonspillable battery. These batteries are excepted from all IMDG codes
provided that the batteries are packed in a suitable out packaging and their terminals are protected against short circuits per PP16.
RCRA: Spent lead-acid batteries are not regulated as hazardous waste by the EPA when recycled, however state and international regulations may
vary.
CERCLA (Superfund) and EPCRA:
Reportable Quantity (RQ) for spilled 100% sulfuric acid under CERCLA (Superfund) and EPCRA (Emergency Planning Community(a) Right to Know Act) is 1,000 lbs. State and local reportable quantities for spilled sulfuric acid may vary.
Sulfuric acid is a listed “Extremely Hazardous Substance” under EPCRA, with a Threshold Planning Quantity (TPQ) of 1,000 lbs.(b)
EPCRA Section 302 notifi cation is required if 1,000 lbs. or more of sulfuric acid is present at one site.(c) EPCRA Section 312 Tier 2 reporting is required for batteries if sulfuric acid is present in quantities of 500 lbs. or more and/or if lead is(d) present in quantities of 10,000 lbs. or more.
Supplier Notifi cation: this product contains toxic chemicals, which may be reportable under EPCRA Section 313 Toxic Chemical Release (e) inventory (Form R) requirements.
If you are a manufacturing facility under SIC codes 20 through 39, the following information is provided to enable you to complete the required reports:
Toxic Chemicals CAS Number Approximate % by Wt.
Lead 7439-92-1 45-60
Sulfuric Acid 7664-93-9 15-20
SECTION X - AD D I T I O N A L IN F O R M A T I O N
The Tesla™ Industries GPU/MPU sealed lead acid battery is determined to be an “article” according to the OSHA Hazard Communication Standard and
is thereby excluded from any requirements of the standard. The Material Safety Data Sheet is therefore supplied for informational purposes only.
The information and recommendations contained herein have been compiled from sources believed to be reliable and represent current opinion on the
subject. No warranty, guarantee, or representation is made by Tesla™ Industries, as to the absolute correctness or suffi ciency of any representation
contained herein and Tesla™ Industries assumes no responsibility in connection therewith, nor can it be assumed that all acceptable safety measures
are contained herein, or that additional measures may not be required under particular or exceptional conditions ore circumstances.
*N/A or Not Applicable - Not applicable for fi nished product used in normal conditions.

TI1560 12-24 GPU
Table of Contents
Section 1 – Safety Review 1
1.1 – Safety Notices 1
1.2 – Symbols 1
1.3 – Hazards 2
1.4 – Important Safety Precautions 3
1.5 – Extreme Environments 3
Section 2 – Product Overview 4
2.1 – Introduction 4
2.2 – Indication of Terms: Shall, Should, and May 4
2.3 – Front Panel Overview 5
2.4 – General Specications 6
2.5 – Physical Dimensions 7
2.6 – Airow Ports 7
2.7 – Operating Position 8
2.8 – AC Input Circuit Breakers 9
2.9 – AC Input Connector 9
2.10 – 24 Volt Output Connector 10
2.11 – 12 Volt Output Connector 10
2.12 – Input Voltage Selector Switch 10-11
2.13 – “Push to Test” Button and LED Status Indicator 12
Section 3 – Operating Procedures 13
3.1 – Operating Procedures 13
3.2 – General 13
3.3 – Operating Limits and Restrictions 13
3.4 – Performance 13
3.5 – Engine Starting Power 13
3.6 – Temperature Specications 14
3.7 – Environmental 15
3.8 – Normal Functional Test Procedures 16-17
3.9 – Pre-Operation 18
3.10 – Transporting Unit 18
3.11 – Regulated 28.5 Vdc Ground Power 19-20
3.12 – Regulated AC Power 20-21
3.13 – Charging Unit 21

TI1560 12-24 GPU
Section 4 – Post Operation 22
4.1 – General 22
4.2 – After Use 22
4.3 – Power Cell Recharge 22-23
Section 5 – Unit Care and Maintenance 24
5.1 – Unit Care 24
5.2 – Unit Servicing 25
5.3 – Packaging and Shipping 25
Section 6 – Troubleshooting and FAQ 26
6.1 – Frequently Asked Questions 26-27
6.2 – Basic Usage/Operation Questions 28
6.3 – Basic Troubleshooting 29-30
Section 7 – Performance Data 31
7.1 – Purpose 31
7.2 – General 31
7.3 – Data Basis 31
7.4 – Specic Conditions 31
7.5 – General Conditions 31
7.6 – Temperature Conversion Chart 32
7.7 – Output Voltage 33
7.8 – Maximum Output Current 33
7.9 – 12 Vdc Output Loading Curves 34-35
Section 8 – Optional Accessories 36
8.1 – Shipping Case 36
8.2 – GPU Protective Covers 36
8.3 – Tesla™ AC Line Cords 36
8.4 – Cobra™ DC Replacement Contacts and Tools 37
8.5 – Transport Dolly 37
Appendix A 38-42
Repair Request Form 43

TI1560 12-24 GPU
Abbreviations and Symbols
Abbreviations that may be used within the text, headings and titles of this manual.
LIST OF ABBREVIATIONS
Abbreviation Defi nition
ac Alternating Current
AFT Air ow Technology
AWG American Wire Gauge
amp or A Ampere
cont Continuous
°C Degree Celsius
°F Degree Fahrenheit
dc Direct Current
EFF Ef ciency
ft Feet
FWD Forward
GPU Ground Power Unit
Hr Hour
Hz Hertz
kg Kilograms
kHz Kilohertz
kW Kilowatts
LED Light Emitting Diode
max Maximum
MΩ megaohm
min Minimum
MPU Micro Power Unit
NEMA National Electrical Manufacturers Association
Ω ohm
PF power factor
PFC power factor correction
rms root-mean-square
THD Total Harmonic Distortion
TMDE Test, Measurement, & Diagnostic Equipment
UAV Unmanned aerial vehicle
Vac Volts, Alternating Current
Vdc Volts, Direct Current
W watts

TI1560 12-24 GPU 1
Figure 1.2.1 – Different types of hazard and caution symbols
1.1 - Safety Notices
Safety notices appear throughout this manual to alert the user to important information regarding proper
installation, operation, maintenance and storage of the unit. These notices, as illustrated below, contain a
key word that indicates the level of hazard and a triangular icon that indicates the speci c type of hazard.
WARNING Indicates a condition, operating procedure or practice, which if not
adhered to could result in serious injury or death.
CAUTION Indicates a condition or operating procedure, which if not strictly
adhered to could result in damage or destruction of equipment.
NOTE Indicates a condition, operating procedure or practice, which is
essential to highlight.
1.2 - Symbols
The following symbols will appear within the warning triangles to alert the user to the speci c type of danger
or hazard.
General Warning Electrical Hazard Explosion Hazard Fire Hazard
Battery Warning Guard from Moisture
!
Section 1 – Safety Review
!
!
!

TI1560 12-24 GPU
2
1Safety Review
1.3 – Hazards
WARNING Shock Hazard Potential
WARNING Shock Hazard Potential
Severe injury or death from electrical shock can occur when damp electrical plugs are connected to the
unit. Make sure the unit is turned off before making any connections. Failure to use proper grounding can
cause potential shock hazard! In different countries, the power cord may require the use of a plug adapter
to achieve plug style compatibility for operation. Use only adapters with proper grounding mechanism.
CAUTION Unit Damage Potential
Severe injury or death from electrical shock may occur if either the
user or the unit is wet while the operating unit is connected to a power
source. Be sure to disconnect ac power from the ac source if the unit
has come into contact with water. If AC Input Circuit Breaker has tripped
due to water in ltration, DO NOT try to reset it with the ac line voltage
attached.
Figure 1.3.1 – Proper Ground
Grounded Plug with Grounding Pin
Figure 1.3.2 – Proper Ground
Adapter with Grounding Mechanism
(Secured to Outlet)
Figure 1.3.3 – Improper Ground
Plug with No Grounding Pin
The unit will be damaged if unapproved ac power is applied. Check
the Input Voltage Selector Switch window (outlined in blue) to ensure
the switch setting (115V or 230V) matches the ac power source
(hangar wall,  ight line ac power) prior to connecting the unit for
recharging.
Figure 1.3.4 – TI1560 12-24 GPU
Input Voltage Selector Switch

TI1560 12-24 GPU 3
1
Safety Review
1.4 – Important Safety Precautions
WARNING Fire/Explosion Hazard Potential
Severe injury or death from  re or explosion can occur if electrical sparks are produced near fuel vapors. DO
NOT CONNECT ac power supply WHILE FUELING. AC power functions of unit shall not be operated during any
fuel handling operation. Power output is restricted to dc power only.
1.5 – Extreme Environments
CAUTION Unit Damage Potential
The unit is equipped with a charger temperature switch that automatically disables the unit when the internal
temperature exceeds 150°F (65°C). This protects the unit from overheating and damage. If the unit shuts
down, move the unit into a cooler environment such as shade or air conditioning when possible. Perform a
full function test after the unit has been allowed to cool prior to use.

TI1560 12-24 GPU
4
Section 2 – Product Overview
2.1 – Introduction
Thank you and congratulations on the purchase of your new TI1560 12-24 GPU Ground Power Unit.
This manual contains the complete operating instructions and procedures for the TI2560-12-24 Ground
Power Unit. The TI1560 12-24 GPU has been designed to serve as a stand-alone source of dc electrical
power for aircraft systems and ground support maintenance operations. Using a single 120 Vac power
source, the TI1560 12-24 GPU will provide regulated outputs of 14.25 Vdc at 20 amps continuous and 28.5
Vdc at 25 amps continuous. For vehicle and aircraft starting, the 12 Vdc and 24 Vdc outputs can deliver up
to 1500 peak amps.
The unit’s high-capacity power cells and circuitry are encased in a rugged enclosure. This internal circuitry
incorporates an intelligent recharging system that allows the TI1560 12-24 GPU to rapidly recharge from any
standard 110-130 Vac outlet receptacle. The unit also comes equipped with independent dual outputs and
built-in Charge Status Meters (via the “Push to Test” button) that also serve as recharge state indicators for
both dc outputs.
Figure 2.1.1 – TI1560 12-24 GPU
2.2 – Indication of Terms: Shall, Should, and May
Within this technical manual the word “shall” is used to indicate a mandatory requirement for proper
operation and warranty purposes. The word “should” is used to indicate a non-mandatory but preferred
method of accomplishment. The word “may” is used to indicate an acceptable method of accomplishment.

TI1560 12-24 GPU 5
2
Product Overview
2.3 – Front Panel Overview
“Push to Test” Button1. – Displays current battery
charge state when pressed.
24 Volt Output Connector2.
24 Volt Capacity Meter3. – Indicates the 24V battery
charge state/power output status.
AC Input Connector4. – Connects to standard 110-
130 Vac line voltage.
Input Voltage Selector Switch5. - Allows Unit to
operate within voltage range of either 100-130 Vac
or 200-260 Vac.
AC Input Circuit Breakers6. – Trip if over-current
fault condition occurs.
12 Volt Output Connector7.
12 Volt Capacity Meter8. –Indicates the 12V battery
charge state/power output status
Air Intake Ports9. – Provide airow for cooling
internal electronics.
Telescopic Handle10. – Allows for easy transport of
unit.
1
2
3
4
5
6
7
8
9
10

TI1560 12-24 GPU
6
2Product Overview
2.4 – General Specications
Electrical
AC Input:
Operates and charges from Single Phase 100-260 Vac 50/60 Hz•
14.7 Amps @ 120 Vac 60 Hz•
Power Cell:
Dry, High Rate Discharge, Rechargeable , Maintenance-free•
DC Output:
24 Volt Output
1500 peak starting amps•
25 amps continuous @ 28.5 Vdc (when plugged into ac power)•
48 amp hours (1224 watt hours) with ac power•
23 amp hours (512 watt hours) of rechargeable battery power without ac•
12 Volt Output
1500 peak starting amps•
20 amps continuous @ 14.25 Vdc (when plugged into ac power)•
43 amp hours (797 watt hours) with ac power•
23 amp hours (512 watt hours) of rechargeable battery power without ac•
Recharge Rate from full discharge:
24 Volt:• 60 minutes @ 25°C
12 Volt:• 74 minutes @ 25°C
Size:
20.61” L x 10.40” W x 10.56” H•
523.5 mm x 264.2 mm x 268.2 mm•
Weight
89 lbs (40.4 kg)•
Operating Temperature:
-40°C to +60°C (-40°F to 140°F) without AC power•
-40°C to +55°C (-40°F to 131°F) with AC power•
Storage Temperature:
-65°C to +105°C (-85°F to 221°F)•
Cell Capacity:
+40°C 110% ± 05%•
+25°C 100% ± 05%•
+00°C 80% ± 05%•
-20°C 65% ± 10%•
-40°C 50% ± 10%•

TI1560 12-24 GPU 7
2
Product Overview
2.5 – Physical Dimensions
2.6 – Airow Ports
CAUTION Damage may occur if the TI1000 GPU-24’s air intake or outlet ports are
obstructed. Ensure that ports are clear at all times.
When the TI1560 12-24 GPU is plugged into ac power, the internal cooling system will efciently regulate unit
temperature regardless of load. At room temperature (+77°F) the exhaust air will not exceed the ambient
temperature by more than 5°F. In more extreme temperatures (greater than 90°F) the exhaust air will not
exceed the ambient temperature by more than 10°F.
Figure 2.5.1 – TI1560 12-24 GPU physical dimensions
Figure 2.6.1 – Air intake, exhaust ports and internal air circulation
10.40 [264.2]
10.56 [268.2]
20.61 [523.5]
16.75 [425.5]

TI1560 12-24 GPU
8
2Product Overview
2.7 – Operating Positions
The TI1560 12-24 GPU can be operated in both the horizontal (Figure 2.7.1) and vertical (Figure 2.7.2)
positions as shown. Make sure that the airow is not obstructed from air intake (Figure 2.7.3) and outlet
(Figure 2.7.4).
Figure 2.7.1 Vertical Position
Figure 2.7.2 Horizontal Position
Figure 2.7.3 Front Inlet Figure 2.7.4 Rear Outlet

TI1560 12-24 GPU 9
2
Product Overview
Figure 2.8.1 - AC Input Circuit Breaker (outlined in blue)
2.8 – AC Input Circuit Breaker
The AC Input Circuit Breaker is located above the AC Input Connector. When the circuit breaker has been
tripped, the red button will pop out. In the event that the breaker trips:
Disconnect the ac and dc connectors. (Unplug ac line cord on military unit.)1.
Wait for a minimum of 60 seconds.2.
Reset breaker by pressing red button.3.
Reconnect ac and dc connections to the unit. (Plug in ac line cord on military unit.)4.
The unit should power up automatically. If the breaker continues to trip, return the unit to Tesla™5.
Industries for repair.
2.9 – AC Input Connector
The GPU is outtted with a 3-prong receptacle (see gure 2.9.1 below). The mating cable is keyed and will
fasten securely into the AC Input Connector.
Figure 2.9.1 - AC Input Connector (outlined in blue)

TI1560 12-24 GPU
10
2Product Overview
Figure 2.10.1 - 24 Vdc Output Connector (outlined in blue) /12 Vdc Output Connector (Outlined in red)
2.10 – 24 Volt Output Connector
The 24 Vdc Output Connector will provide 25 amps continuous @ 28.5 Vdc (when plugged into ac power).
When the Output Connector is not in use, cover the receptacle with the protective cover (see Figure 2.10.1).
This will protect the Output Connector from dust and foreign matter.
2.11 – 12 Volt Output Connector
The 12 Vdc Output Connector (see Figure 2.10.1) will provide 3000 peak starting amps, and 20 amps of
continuous power @ 14.25 Vdc (when plugged into ac power). When the Output Connector is not in use,
cover the receptacle with the Protective Cover. This will protect the Output Connector from dust and foreign
matter. The 12 Volt DC Battery Receptacle is only compatible with the TI2007-503 15’ DC Cable with Alligator
Clips. A 24 Volt DC Connector will not connect to the 12 Vdc Output Connector.
2.12 – Input Voltage Selector Switch
The Input Voltage Selector Switch allows the unit to operate safely within the expected voltage range of
either 100 - 130 Vac or 200 - 260 Vac.
Figure 2.12.1 Input Voltage Selector Switch (outlined in blue)

TI1560 12-24 GPU 11
2
Product Overview
Figure 2.12.2 - Unscrew Protective Cover Figure 2.12.3 - Select Voltage
!The 115 Vac setting accommodates the voltage range of 100-130 Vac.
The 230 Vac setting accommodates the voltage range of 200-260 Vac.
NOTE
CAUTION
!Do not plug unit into 230 Vac when Input Voltage Selector Switch is
set on 115 Vac.
NOTE
Do not overtighten Selector Shield screws. Be sure star locks are on
screws and snug the screw. Overtightening will damage the Selector
Shield.
!
Changing Input Voltage Selector Switch
To change the input voltage from 115 Vac to 230 Vac, simply follow these steps:
With cross tip screwdriver, remove one screw and rotate the clear protective cover to one side. (see1.
gure 2.12.2)
Flip the switch to read 230V. (see gure 2.12.3)2.
Rotate cover back into place. Replace and tighten screw.3.

TI1560 12-24 GPU
12
2Product Overview
Full Charge Half Charge No Charge
STATUSSTATUS STATUS
R
Y
G
0
1/2
OK
R
Y
G
0
1/2
OK
R
Y
G
0
1/2
OK
2.11 – “Push to Test” Button and LED Status Indicator
The “Push to Test” button is used to indicate the capacity of the power cells without applying ac input power. It
allows the end user to check the status of the power cells. This lets the operator know if there is enough power
to perform another engine start, or if the unit has to be connected to ac power to allow it to recharge.
Make sure that you wait at least 2 minutes after ac power is applied, or dc power is extracted from1.
the unit, before you press the “Push to Test” button. This will ensure a correct reading.
Without ac power input or dc power output, simply press the “Push to Test” button on the faceplate2.
and hold for approximately 2 to 3 seconds.
At this time the LED bar graph should light up indicating the status of the power cells.3.
The fan should also operate at this time. If you do not hear the fan running, stop pressing the4.
button and check for any obstructions to the fan.
CAUTION
!Never press the “Push to Test” button while the unit is plugged into
ac power for recharge, or plugged into aircraft for dc power output.
CAUTION
!Never press the “Push to Test” button for more than 5 seconds. This
may cause a temperature sensor to temporarily disrupt “Push to
Test” function. (If this sensor is tripped, allow ten minutes for unit to
cool before operating “Push to Test” button.)
Figure 2.13.1 - “Push to Test” button location
(outlined in blue)
Figure 2.13.2 - Pushing to Test
2.13 – “Push to Test” Button and LED Status Indicator

TI1560 12-24 GPU 13
Section 3 – Operating Procedures
3.1 – Operating Procedures
This section deals with normal procedures, and includes all steps necessary to ensure safe and ef cient
operation of the unit.
NOTE
!When the unit is not in use, it should always remain plugged into a suitable ac
power source to ensure operational readiness at all times.
NOTE
!If current demand exceeds 25 amps, converter output voltage will drop below
28.5 Vdc and two or more LED status indicator bars will illuminate. If all
LED status indicator bars illuminate, both the converter and power cells are
supplying 24 Vdc power output.
3.2 – General
Correct operation of the unit includes both pre-use and operational checks of the unit. Knowledge of the
operating limits, restrictions, performance, unit capabilities and functions is fundamental to correct and safe
operation. The operator shall ensure compliance with the instructions in this manual that affect operational
safety and the warranty of the unit.
3.3 – Operating Limits and Restrictions
The minimum, maximum and normal operating ranges result from careful engineering and evaluation of test
data. These limitations must be adhered to during all phases of operation.
3.4 – Performance
Refer to Section 7, PERFORMANCE DATA to determine the capability of the unit. Consideration must be given
to changes in performance resulting from variations in ambient temperature, mode of operation, state of
charge (with or without ac power), and aircraft dc bus system inef ciency (voltage drops).
3.5 – Engine Starting Power
Operators should always ensure the unit is charged above 80% prior to ground support engine starting.
However, circumstances may exist during use where unit recharge is not readily available and immediate
external engine starting power is required. The following provides minimum states of charge necessary to
provide ample power for an ef cient engine start under speci c current load demands.
ENGINE START PEAK CURRENT Requirements MINIMUM CHARGE
Under 650 peak starting amps 0-50% charged
650 - 850 peak starting amps 50-60% charged
850 - 1000 peak starting amps 60-70% charged
1000 - 1200 peak starting amps 70-80% charged
1200 - 1500 peak starting amps 80-100% charged
ENGINE START PEAK CURRENT Requirements MINIMUM CHARGE
Under 1200 peak starting amps 0-40% charged
1200 - 1500 peak starting amps 40-50% charged
1500 - 1800 peak starting amps 50-60% charged
1800 - 2100 peak starting amps 60-70% charged
2100 - 2400 peak starting amps 70-80% charged
2400 - 3000 peak starting amps 80-100% charged
Section 3 – Operating Procedures
3.1 – Operating Procedures
This section deals with normal procedures, and includes all steps necessary to ensure safe and ef cient
operation of the unit.
NOTE
!When the unit is not in use, it should always remain plugged into a suitable ac
power source to ensure operational readiness at all times.
NOTE
!If current demand exceeds 25 amps, converter output voltage will drop below
28.5 Vdc and two or more LED status indicator bars will illuminate. If all
LED status indicator bars illuminate, both the converter and power cells are
supplying 24 Vdc power output.
3.2 – General
Correct operation of the unit includes both pre-use and operational checks of the unit. Knowledge of the
operating limits, restrictions, performance, unit capabilities and functions is fundamental to correct and safe
operation. The operator shall ensure compliance with the instructions in this manual that affect operational
safety and the warranty of the unit.
3.3 – Operating Limits and Restrictions
The minimum, maximum and normal operating ranges result from careful engineering and evaluation of test
data. These limitations must be adhered to during all phases of operation.
3.4 – Performance
Refer to Section 7, PERFORMANCE DATA to determine the capability of the unit. Consideration must be given
to changes in performance resulting from variations in ambient temperature, mode of operation, state of
charge (with or without ac power), and aircraft dc bus system inef ciency (voltage drops).
3.5 – Engine Starting Power
Operators should always ensure the unit is charged above 80% prior to ground support engine starting.
However, circumstances may exist during use where unit recharge is not readily available and immediate
external engine starting power is required. The following provides minimum states of charge necessary to
provide ample power for an ef cient engine start under speci c current load demands.
ENGINE START PEAK CURRENT Requirements MINIMUM CHARGE
Under 650 peak starting amps 0-50% charged
650 - 850 peak starting amps 50-60% charged
850 - 1000 peak starting amps 60-70% charged
1000 - 1200 peak starting amps 70-80% charged
1200 - 1500 peak starting amps 80-100% charged
ENGINE START PEAK CURRENT Requirements MINIMUM CHARGE
Under 1200 peak starting amps 0-40% charged
1200 - 1500 peak starting amps 40-50% charged
1500 - 1800 peak starting amps 50-60% charged
1800 - 2100 peak starting amps 60-70% charged
2100 - 2400 peak starting amps 70-80% charged
2400 - 3000 peak starting amps 80-100% charged
If current demand exceeds 50 amps, converter output voltage will drop below
28.5 Vdc and two or more LED status indicator bars will illuminate. If all
LED status indicator bars illuminate, both the converter and power cells are
supplying 24 Vdc power output.