Tripp Lite APS2424INT User Manual
Owner's Manual
APS 912 INT APS 2424 INT
1111 W. 35th Street
Chicago, IL 60609 USA
Customer Support: (773) 869-1234
www.tripplite.com
APS 1024 INT APS 3636 VRI
APS 2012 INT
(208/240V, 50 Hz)
Alternative Power Sources
• Voltage- and Frequency-Controlled
• Peak Power, High Efficiency
Español: p. 16
Introduction: p. 2 - 3
Safety: p. 4
Configuration & Connection: p. 5 - 9
Features: p. 10 - 11
Maintenance & Service: p. 12
Warranty: p. 12
Troubleshooting: p. 13
Specifications: p. 14 - 16
Diagrams: p. 33 - 35
Copyright © 2000 by Tripp Lite. All rights reserved.
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1
Introduction
Congratulations! You’ve purchased the most advanced, feature-rich integrated inverter/battery
charger on the market. Your APS provides your equipment with utility-supplied AC power when it
is available, and during blackouts, overvoltages and brownouts, your APS automatically switches
over to an external battery source to power connected equipment with voltage and frequencycontrolled AC power. In addition to reliable APS performance, your model features:
• High Efficiency Output
Your APS’s advanced circuitry produces a more efficient DC-to-AC conversion, minimizing
energy loss. This allows you to run connected equipment longer between battery charges.
The APS will maintain this highly-efficient output even as the battery charge decreases.
• Automatic Overload Protection
If you overload your APS, it will automatically protect itself and your valuable batteries from
damage.
• Fast Load Switching
Your APS provides an uninterruptable power supply. If AC power goes down, your APS will
switch over to providing battery backup power in 6 milliseconds or less so that your equipment
will operate with no interruption.
• Multi-Function Indicator Lights
Several sets of multifunction indicator lights keep you constantly informed of battery charge
levels, fault conditions and APS operation.
• Multi-Operation Switches
An array of user-configurable switches gives you convenient options when operating your
APS. You can select the voltage level at which your APS’s inverter will turn on to maximize
equipment protection and minimize battery drain; set your APS for maximum charging
efficiency with your battery type; even set up your APS for remote control operation.
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Stage 2
Absorption
Advanced, 3-Stage
Battery Charger
Your APS recharges your battery faster
than conventional chargers because
Bulk
Stage 1
Stage 3
Float
its three-stage charger profile (Bulk,
Absorption and Float) are optimized,
regardless of the type of battery you
use (Wet or Gel).* In addition, the advanced charging system protects
against over-charge and over-discharge
to ensure a longer service life from
your battery.
* The Absorption and Float levels vary according to battery
type, which can be set to either "Wet" or "Gel" cell.
• Voltage Regulation (Select models only)
"VRI" APS models regulate incoming AC power by automatically "boosting" or "cutting" the
voltage to keep your equipment running through brownouts and overvoltages
battery power
.
without draining
• Load Sharing (Select models only)
Select APS models can be set to limit their own charging functions so they can charge their
batteries at the quickest rate possible without overloading their power input circuits.
• Frequency-Controlled Inverter Output
All APS models feature Frequency-Controlled Inverter Output which allows devices dependent
on AC line frequency (such as computers, VCRs, CD players, tape recorders, clocks and
turntables) to operate properly.
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3
Safety
This manual contains important instructions and warnings that should be followed during the
installation, operation and storage of all Tripp Lite APS Systems.
APS Location Warnings
• Install your APS indoors, away from excess moisture or heat, dust or direct sunlight.
• Leave adequate space around all sides of the APS for proper ventilation.
• Do not install the APS near magnetic data storage media, as this may result in data
corruption.
Battery Connection Warnings
• Your UPS will not operate with or without utility power until batteries are connected.
• Multiple battery systems must be made up of batteries of the same voltage, age, amp
hour capacity and type.
• Keep battery location well ventilated. Explosive hydrogen gas can accumulate near
batteries if they are not kept well ventilated.
• Sparks may result during final battery connection. Always observe proper polarity as
batteries are connected.
• Do not allow objects to contact the two DC input terminals. Do not short or bridge these
terminals together. Serious injury to property or person could result.
Equipment Connection Warnings
• Do not use Tripp Lite APS Systems in life support applications where a malfunction or
failure of a Tripp Lite APS System could cause failure or significantly alter the performance of a life support device.
• Do not connect a surge suppressor, line conditioner or UPS to the output of the APS.
• Corded models: Do not modify the APS's plug in a way that eliminates its ground
connection. Do not use power adaptors that will eliminate the plug's ground connection.
Connect your APS only to a properly grounded AC power outlet. Do not plug your APS
into itself; this will damage the APS and void your warranty.
Operation Warnings
• Your APS does not require routine maintenance. Do not open your APS for any reason.
There are no user-serviceable parts inside.
• Potentially lethal voltages exist within this unit as long as the battery supply and/or AC
input are connected. During any service work, the battery supply and AC input connection
(if any) should therefore be disconnected.
• Do not connect or disconnect batteries while the APS is operating from the battery
supply. Dangerous arcing may result.
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Configuration
CONFIGURATION DIP SWITCH SETTINGS
DIP SWITCH GROUP A (All models)
BATTERY TYPE / VOLTAGE POINT
Using a small tool, set the 4 "Battery Type / Voltage Point" Configuration DIP Switches, Group A
(located on the front panel of your APS; see Diagram 1, p. 33) to select battery type and set the
voltage range outside of which your APS will switch to battery power.
• Select Battery Type
(DIP Switch #1, Group A)
CAUTION: The Battery Type DIP Switch setting must match the type of batteries you connect or your batteries may be degraded
or damaged over an extended period of time. See "Battery Selection," page 7 for more information.
Battery Type Switch Position
Gel Cell (Sealed) Battery ............................. Up
Wet Cell (Vented) Battery ........................... Down*
• Select High AC Switch To Battery Voltage Point
(DIP Switch #2, Group A)
Voltage Switch Position
264V ............................................................. Up
259V ............................................................. Down*
Gell
Cell
Wet
Cell*
264V
259V*
• Select Low AC Switch To Battery Voltage Point
(DIP Switches #4, Group A & #3, Group A)
201V
#4 Up & #3 Up
Most loads will perform adequately when your APS’s High AC Voltage Point DIP Switch #2 is set
to 259V and its Low AC Voltage Point DIP Switches #3 and #4 are set to 182V. However, if your
APS frequently switches to battery power due to momentary high/low line voltage swings that would
have little effect on equipment operation, you may wish to adjust these settings. By raising the High
AC Voltage Switch to Battery point and/or lowering the Low AC Voltage Switch to Battery Point, you
may reduce the number of times your APS switches to battery due to voltage swings.
* Factory default settings.
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182V
#4 Up & #3 Down
163V
#4 Down & #3 Up
144V*
#4 Down
& #3 Down
5
DIP SWITCH GROUP B (Available on Select Models)
LOAD SHARING/EQUALIZE BATTERY CHARGE
Using a small tool, set the "Load Sharing" Configuration DIP Switches, #1 and #2 of Group B (located
on the front panel of your APS; see Diagram 1, p. 33). DIP Switch #3, Group B should be kept in
the "UP" position when you are not equalizing your batteries' charges. DIP Switch #4, Group B
has no function.
• Load Sharing
(DIP Switches #1, Group B & #2, Group B)
Your APS features a high-output battery charger that can draw a significant amount of power
from your line power source when charging at its maximum rate. If an APS is supplying its full
AC power rating to its connected load at the same time as it is charging, it could trip its line source
circuit breaker. Tripping this breaker will cut off AC power to your load and stop battery charging.
To reduce the chance of tripping this breaker, select APS models may be set to automatically
limit their charger output to help keep the sum of their AC load and charger power within their
line source circuit breakers' rating.
This charger limiting function has four settings, allowing you to choose less charger limiting for
APS configurations with higher rated breakers. The figures below show how to set your DIP
Switches to select how heavy a load can be placed on your APS before charger limiting begins.
For suggested settings based on your APS model and breaker ratings, see specifications.
Load Sharing: Battery Charger Limiting Points
Most Limiting
#1 & #2 Up
Less Limiting
#1 Down & #2 Up
Charger limiting takes effect the
moment any load is applied;
charger output falls gradually
from full output at no load to no
output at full load.
Charger limiting begins when the
APS's load reaches 33% of the APS's
load rating. Charger output falls
gradually from full output at 33%
of the APS's load rating to about
40% of full output at full load.
Least Limiting
#1 Up & #2 Down
No Limiting
#1 & #2 Down*
Charger limiting begins when the
APS's load reaches 66% of the APS's
load rating. Charger output falls
gradually from full output at 66% of
the APS's load rating to about 40% of
full output at full load.
No charger limiting occurs at any
load size. This is the factory default setting.
• Equalize Battery Charge
(DIP Switch #3, Group B)
This DIP Switch is momentarily engaged to begin the process of equalizing the internal
resistance of your battery's cells. This can extend the useful life of certain types of batteries;
consult with your battery's manufacturer to determine if your batteries could benefit from this
process. The charge equalization process is automatic and once started can only be stopped
by removing the input power.
SETTING PROCEDURE:
1) Move to "Equalize" (DOWN) position for three seconds.
2) Move to "Reset" (UP) position and leave it there.
CAUTION: Battery charge equalization should only be performed in strict accordance with
the battery manufacturer's instructions and specifications.
CAUTION: Do not leave DIP switch #3 in the down position after beginning process.
Battery Charge Switch Position
Reset ........................................................... Up*
Equalize ....................................................... Down
* Factory default settings.
6
Reset
Equalize
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Battery Selection
Selecting Battery Type
Select a battery or system of batteries that will provide your APS with proper DC voltage and an
adequate amp hour capacity.* Select ‘Deep-Cycle’ batteries to enjoy optimum performance from
your APS. Batteries of either Wet-Cell (vented) or Gel-Cell/Absorbed Glass Mat (sealed) construction
are ideal. 6 Volt “golf-cart,” Marine Deep-Cycle or 8D Deep-Cycle batteries are also acceptable.**
* Even though APS models are high-efficiency converters of electricity, their rated output capacities are limited by the amphour size of the external batteries. ** You must set Configuration DIP Switch #1, Group A (Battery Type) to match the type
of batteries you connect or your batteries may be degraded or damaged over an extended period of time. See "Configuration," page 5 for more information.
Selecting Battery Amp Hour Capacity
Step 1:
Add the Wattage Ratings of your connected equipment to determine the Total Wattage Required.*
Step 2:
Divide the Total Wattage Required (from Step 1) by the battery voltage to determine the DC Amperes
Required.
Step 3:
Multiply the DC Amperes Required (from Step 2) by the number of hours you estimate will pass
without AC power before your battery can recharge to determine a Battery Amp-Hours Required
Rough Estimate.
Step 4:
Compensate for inefficiency by multipling your Battery Amp-Hour Required Rough Estimate (from
Step 3) by 1.2 to determine how many amp-hours of battery backup (from one or several batteries)
you should connect to your APS.** Note that the Amp-Hour ratings of batteries are usually given
for a 20 hour discharge rate. Actual Amp-Hour capacities are less when batteries are discharged
at faster rates: batteries discharged in 55 minutes provide only about 50% of their listed Amp-Hour
ratings, while batteries discharged in 9 minutes provide as little as 30% of their Amp-Hour ratings.
Example: A park ranger wants to be able to power two 75-watt transmitters off of 12V batteries for up to an hour after an
AC power outage. She divides the total wattage of her equipment (150 watts) by the voltage of the batteries she's using (12V)
and multiplies by 1 hour to get a Battery Amp-Hours Required Rough Estimate of 12.5. She multiplies this by 1.2 (for
inefficiency) and divides by 50% (since a battery that discharges in an hour only provides about 50% of its stated amphour capacity) and determines that her 12V batteries' amp-hour capacities must add up to at least 30.
* The wattage rating is usually stated in the equipment's manuals or on their nameplates. If your equipment is rated in
amperes, convert to watts by multiplying its ampere rating by its input voltage (208 or 240). ** Your charging amps
multiplied by the charging hours must exceed the discharge amp-hours taken from the batteries between charges or you
will eventually run down your battery bank.
Permanent Mounting (Optional*)
(See Diagram 2, p. 33).
• Install two 8 mm (1/4 in.) fasteners* into a rigid
in the diagram. (Leave the heads of fasteners raised slightly above the horizontal surface in
order to engage the slots in the APS's two front feet.)
• Slide APS forward to fully engage the fasteners in the APS's front feet. Install two 8 mm (1/4
in.) fasteners in the APS's two rear feet. Tighten the rear screws to permanently hold your APS
in position.
* Recommended for vehicular installation and other applications requiring permanent, secure mounting. All fasteners are
user-supplied. Turn your APS OFF and disconnect it from both batteries and AC power before mounting.
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horizontal
surface using the measurements
7
Battery Connection (Standard)
1. Connect your APS's positive DC Terminal directly to a fuse.
UL requires that you install a recognized UL component fuse block and fuse within 18 inches
of the battery. The fuse's rating must equal or exceed the Minimum DC Fuse Rating listed in
your APS model's specifications on pages 14-15.
2. Choose a battery configuration appropriate to your batteries.
• Single Battery Connection: Refer to Diagram 4, page 34. When using a single battery, its
voltage must be equal to the voltage of your APS's Inverter Nominal Input Voltage (see specs).
• Parallel Battery Connection: Refer to Diagram 5, page 34. When using multiple batteries in
parallel, each battery's voltage must be equal to the voltage of your APS's Inverter Nominal
Input Voltage (see specs).
• Series Battery Connection: Refer to Diagram 6, page 34. When using multiple batteries in
series, all batteries must be equal in voltage and amp hour capacity, and the sum of their
voltages must be equal to the voltage of your APS's Inverter Nominal Input Voltage (see specs).
3. Use the SHORTEST and HEAVIEST GAUGE battery cabling.
Use #4 cabling for DC cable lengths up to 10 feet. Use #2 cabling for lengths up to 16 ft. Shorter
and heavier gauge cabling limits DC voltage drop and allows for maximum transfer of current.*
*APS models are capable of delivering a much higher wattage output for brief periods of time. Wiring should be
configured to handle this brief high-current draw. Though your APS is a high-efficiency converter of electricity, its
rated output capacity is limited by the length and gauge of the wires running from the battery to the APS.
Battery Connection (DC Vehicular)
APS systems may permanently mounted in a car, truck or boat and connected to draw power from
the vehicle's battery. Note: An APS can ONLY be connected to vehicle batteries with voltage
that matches the APS's Nominal DC Input—12V vehicle batteries to 12V Nominal DC Input
APS systems, etc. (See Specifications). There are two main ways to make this sort of vehicular
battery connection. Choose the Basic Connection if you are running light hand tools or other small
appliances for a brief period of time (see Diagram 7, p. 35). Choose the Advanced Connection if
you are using your APS to power heavy loads for extended periods of time (see Diagram 8, p. 35).
The Advanced Connection incorporates a battery isolator and separate battery system to provide
battery power to your APS while preventing it from draining your vehicle's battery. Note: Depending
on your application, you may require more than one Deep Cycle Battery.
Caution: Never operate your APS from an alternator without a battery connected as shown in Diagrams 7 or 8, p. 35
AC Connection
Before AC connection, match the power requirements of your
equipment with the power output of your APS to avoid overload.
When figuring the power requirements of your equipment, do not confuse "continuous" power
ratings with "peak" power ratings. Electric motors require more power to turn on ("peak power")
than they require to run continuously. "Peak" power ratings are usually 2 to 5 times "Continuous"
ratings. Most electric motors require "peak power" only during initial powerup. The electric motors
in equipment such as refrigerators and sump pumps, however, constantly turn on and off according
to demand. These motors require "peak power" at multiple, unpredictable times during their operation.
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Hardwired Electrical Connections
(All hardwire models)
(See Diagram 3, p. 33).
Consult a qualified electrician and follow all applicable electrical codes and requirements.
HARDWIRE PROCEDURE
1) Loosen screws and remove cover plate from your APS's Hardwire AC electrical box. Remove
the knockout covers closest to the desired electrical source and to your equipment.
2) Thread your wires through strain reliefs and through the knockouts.
3) Connect both input and output ground wires to the ground (green) terminal.
4) Connect the incoming hot wire to the input hot (brown) terminal.
5) Connect the incoming neutral wire to the input neutral (blue) terminal.
6) Connect the outgoing hot wire to the output hot (black) terminal.
7) Connect the outgoing neutral wire to the output neutral (white) terminal.
8) Tighten and affix strain reliefs. Replace cover plate and tighten screws.
AC Input Electrical Connection
(All corded models)
Plug the line cord into an outlet providing 208V or 230V power at 50 Hz. (A trained technician may
be able to convert a unit to receive 60 Hz power. Consult Tripp Lite.) If an adaptor must be used,
use one that maintains the APS's ground connection. Make sure that the circuit you connect your
APS to has adequate overload protection, such as a circuit breaker or a fuse.
AC Output Electrical Connection
(All corded models)
Simply plug your equipment into the unit's AC receptacles. If adaptors are necessary, use adaptors
that provide a ground connection.
Set Operating Mode Switch
• Switch to “AUTO/REMOTE” when you are using connected equipment. ADVANTAGE:
Uninterruptable power supply: provides battery backup power during blackouts or brownouts.
Note: When the switch is in the "AUTO/REMOTE" position, you can operate a usersupplied Remote Connector to transfer between battery-backup and charge-only
modes. (See Remote Connector manual for more information.)
• Switch to “CHARGE ONLY” when you are not using connected equipment.
(WARNING! APS will not provide battery backup!) ADVANTAGES: A) Continues to charge
battery when power is present, and B) Turns OFF the APS’s inverter, preventing battery drain
during blackouts or brownouts.
• Switch to “OFF” to completely turn off the APS and connected equipment or to reset the APS
after it has shut down due to overload or overheating.
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9
Switches, Indicator Lights
& Other Features
(See Diagram 9, p. 35 to locate the following switches, indicator lights and other features.)
Switches
1. Operating Mode Switch (All models)
This switch selects the APS operating mode (either "AUTO/REMOTE", "OFF" or "CHARGE
ONLY"). See "Set Operating Mode Switch", pg. 9 to select the optimum setting for this switch.
2. “CONFIGURATION SWITCHES”—DIP Switch Group A (All models)
These four switches must be set for the type of battery your APS will be connected to and the voltage
points at which your APS will switch to battery power. See "Configuration", pg.5 to select the optimum
settings for these switches.
3. “CONFIGURATION SWITCHES”—DIP Switch Group B (Select models only)
These DIP Switches allow you to equalize the internal resistance of your battery's cells and set the
percentage of your model's maximum load at which the APS will limit battery charging. See
"Configuration", pg. 6 to select the optimum settings for these switches.
Indicator Lights
4. “LINE” (All models)
This green light will turn continuously ON whenever connected equipment is receiving utilitysupplied AC power and your APS is set to "AUTO/REMOTE", meaning that it will provide battery
backup if utility power fails. It will flash intermittently when connected equipment is receiving utility
power and your APS's Operating Mode Switch is set to "CHARGE ONLY" to warn you that the APS's
inverter is OFF and that the APS WILL NOT provide battery backup during blackouts, brownouts
or overvoltages.
5. “INV” (Inverting—all models)
This yellow light will turn continuously ON whenever connected equipment is receiving batterysupplied AC power (during a blackout, brownout or overvoltage while connected to utility power or
when connected to batteries during vehicular operation).
6. “LOAD” (All models)
This red light will turn continuously ON when the APS’s load is between 80% and 110% of capacity.
The light will flash intermittently when the APS's inverter shuts down due to a severe overload or
overheating. If this happens, turn Operating Mode Switch OFF. Remove the overload and let the
unit cool. You may then turn the APS ON again after it cools.
7. “CUT/BOOST” (VRI models only)
These lights will turn ON whenever your APS is automatically correcting high (CUT) or low (BOOST)
AC line voltage. This is a normal, automatic operation of your APS that does not drain battery power,
and no action is required on your part.
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8. "BATTERY HI/MED/LO" (All models)
These three lights will turn ON in several sequences to show the approximate charge level and voltage
of your connected battery bank and alert you to several fault conditions:
BATTERY CHARGE INDICATION (Approximate)
Indicator Capacity
Green Full
Green & yellow 80% - Full
Yellow 60% - 80%
Yellow & red 40% - 60%
Red 20% - 40%
All three lights off 0% - 20%
Flashing red 0% (Inverter shutdown)
All three lights flash slowly* Excessive discharge
All three lights flash quickly** Overcharge
* Approximately 1/2 second on, 1/2 second off. See Troubleshooting section.
** Approximately 1/4 second on, 1/4 second off. May also indicate a battery charger fault exists. See Troubleshooting section.
Other Features
9. DC Input Terminals (All models)
The terminals' lug screws secure the wires leading from your external battery or battery system.
Your battery or battery system must provide your APS with proper DC voltage and your equipment
with an adequate amp hour capacity. See Battery Selection section, pg. 7 for more information.
10. AC Receptacles (Corded models only)
These receptacles allow you to plug equipment into the APS as it would be plugged into a utility outlet.
11. AC Input Line Cord (Corded models only)
This cord should be plugged into a dedicated 15 Amp AC utility outlet that provides power of an
appropriate voltage and frequency. DO NOT plug the cord into the APS’s AC receptacles.
12. Hardwire AC Input/Output Terminal Strip (Hardwire models only)
Use the lug screws on these terminals to secure hardwire connections for AC input and output. See
pages 9 & 33 for wiring instructions.
13. Resettable Circuit Breaker (All models)
The circuit breaker protects your APS against damage due to output overload. If the breaker trips,
remove some of the load on the APS to prevent overload, then wait 1 minute to allow components
to cool before resetting the circuit breaker.
14. Remote Module Connector (All models)
The front panel of all models has an RJ 45 receptacle for use with the optional remote module. (Module
is included with all VR models.) See the installation instructions packed with the remote module.
15. Load Sense Potentiometer (All models)
In order to save battery power, the APS's inverter automatically shuts off when no load is connected.
When the unit detects a load, it automatically turns the inverter on. Users may choose the minimum
load the APS will detect by adjusting the Load Sense Potentiometer. Using a small tool, turn the
potentiometer clockwise to lower the minimum load that will be detected, causing the inverter to turn
on for smaller loads. When the potentiometer is turned fully clockwise, the inverter will operate even
when there is no load. Turn the potentiometer counterclockwise to increase the minimum load that
will be detected, causing the inverter to stay off until the new minimum load is reached. The factory
setting for the potentiometer is fully clockwise, but in areas with frequent power interruptions, the
potentiometer should be adjusted counterclockwise until the inverter is only in operation when the
APS's load is in use.
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