Kisae UC1240 User manual

Ultimate
All-in-One
Battery Charger
UC1240
12V 40A
Owner’s Manual

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For safe and optimum performance, the KISAE Ultimate Battery Charger must be used properly.
Carefully read and follow all instructions and guidelines in this manual and give special attention to
the CAUTION and WARNING statements.
PLEASE KEEP THIS MANUAL FOR FUTURE REFERENCE
Disclaimer
While every precaution has beentaken to ensure the accuracy of thecontents of this guide, KISAE
Technology assumes no responsibility for errors or omissions. Note as well that specifications
and product functionality may change without notice.
Important
Please be sure to read and save the entire manual before using your KISAE Ultimate Battery
Charger. Misuse may result in damage to the unit and/or cause harm or serious injury.
Product Numbers
UC1240 Ultimate Battery Charger, 12V 40A
Document Part Number
MU UC1240 Rev A.7
Service Contact Information
Email: [e-mail]
Phone : [phone]
Web : www.kisaepower.com
FCC and CE EMC INFORMATION
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules and comply with the limits for CE EMC. These limits are
designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates uses and can radiate radio frequency energy and, if not installed and used
in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio ortelevision reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
•Re-orient or re-locate the receivingantenna.
•Increase the separation between the equipment and thereceiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
•Consult the dealer or an experienced radio/TV technician forhelp.
LIMITATIONS ON USE
Do not use in connection with life support systems or other medical equipment or devices.
WARNING: This product can expose you to chemicals, including Di (2-ethylhexyl) phthalate (DEHP) which is known
to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to
www.p65warnings.ca.gov
ADVERTENCIA Este producto puede exponerlo a químicos, incluyendo el ftalato de bis (2-etilhexilo) (DEHP)
conocido por el estado de California como causante de cáncer, defectos de nacimiento, u otros daños
reproductivos. Para obtener más información, entre a www.p65warnings.ca.gov

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Table of Contents
1. INTRODUCTION.............................................................................................5
2. PRODUCT DESCRIPTION ............................................................................5
3. UNDERSTANDING THE UNIT ......................................................................5
4. INSTALLING THE CHARGER.......................................................................9
5. UNIT OPERATION........................................................................................12
6. SPECIFICATIONS ........................................................................................20
7. WARRANTY..................................................................................................21
Appendix A1.............................................................................................................22

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IMPORTANT SAFETY INFORMATION
This section contains important safety information for the KISAE Utilmate Battery Charger. Each
time, before using the unit, READ ALL instructions and cautionary markings on or provided with the
unit, and all appropriate sections of this guide. The unit contains no user- serviceable parts. See
Warranty section for how to handle product issues.
WARNING: Fire and/or Chemical Burn Hazard
Do not cover or obstruct any air vent openings and/or install in a zero-clearance compartment.
WARNING: Failure to follow these instructions can result in death or serious injury. Keep away
from children.
•When working with electrical equipment or lead acid batteries, have someone nearby in case of an
emergency.
•Study and follow all the battery manufacturer’s specific precautions when installing, using, and
servicing the battery connected to thecharger.
•Wear eye protection andgloves.
•Avoid touching your eyes while using thisunit.
•Keep fresh water and soap on hand in the event battery acid comes in contact with eyes. If this
occurs, cleanse right away with soap and water for a minimum of 15 minutes and seek medical
attention.
•Batteries produce explosive gases. DO NOT smoke or have an open spark or fire near the system.
•Keep unit away from moist or damp areas. Never expose unit to snow,water etc.
•Avoid dropping any metal tool or object on the battery.Doing so could create a spark or short circuit
which goes through the battery or another electrical tool that may create an explosion.
WARNING: Explosion hazard
•Do not use the unit in the vicinity of flammable fumes or gases (such as propane tanks or large
engines).
•Avoid covering the ventilation openings.Always operate unit in an open area.
•Prolonged contact to high heat or freezing temperatures will decrease the working life of the unit.
•The UC1240 unit is designed for use on 12V House Battery System only. Do not use it on 24V
House Battery System.
CAUTION:
•This appliance is not intended for use by persons (includingchildren) with reduced physical, sensory
or mental capabilities, or lack of experience and knowledge, unless they have been given
supervision or instruction concerning use of the appliance by a person responsible for their safety.
•Children should be supervised to ensure that they do not play with theappliance.
•Do not charge non-rechargeable batteries because of the danger oferuption.
•During charging, batteries should be placed in a ventilatedarea.
•The battery terminal not connected to the chassis has to be connected first.
•The other connection isto be made to thechassis, remote from the battery and fuel line. The battery
charger is then to be connected to the supply mains (household power).
•After charging, disconnect the battery charger from the supply mains. Then remove the chassis
connection and then the battery connection.
•Examine the battery charger regularly for damage, especially the cord, plug and enclosure. If the
battery charger is damaged, it must not be used until it has been repaired.

1. INTRODUCTION
Thank you for purchasing the KISAE Ultimate Battery Charger. With our state of the art, easy to
use design, this product will offeryou reliable service by providing a multi-stage, multi-input battery
charger to charge the different types of batteries you have installed in either your home, boat, RV,
caravan, 4WD or commercial vehicle. This manual will explain how to use this unit safely and
effectively.
2. PRODUCT DESCRIPTION
•Base unit (UC1240)
•Display Panel with Connection Cable
•IEC AC Input Cord
•Owner’s Manual
3. UNDERSTANDING THE UNIT
The charger is a fully automatic multi-stage, multi-input battery charger with the ability to charge
from utility AC, or an alternator linked to a battery, or via solar power with its built-in Maximum
Power Point Tracking (MPPT) Solar Controller. The house battery will be charged from utility AC
Input as priority. When Alternator and/or Solar inputs are also available, the house battery will also
be charged from either the Solar input or the Alternator input with various priority settings that
include the use of the ignition start pin on the vehicle. The charger prioritizes either alternator or
solar by performing custom setting and both functions are controlled from within the unit itself
without the need for external relays. See more details in the “House Battery Charging
Mechanism Setting” section on page 7.
During normal operation, the charger will do a full charge cycle on the House Battery Bank. User
may select GEL, AGM, Flooded, Lithium battery or Custom Programmable settings. Once the float
stage is reached, the charger transitions to a power supply mode to support any on-board DC
loads. The House Battery Bank will automatically restart a new charging cycle when the set point
for battery recharge is reached.
The unit provides a maximum of 80A charging current with the combination of 40A maximum
through the AC Charger and 40A maximum through the DC-to-DC Charger.
Multi-stage Charging Process for GEL, AGM and Flooded Battery Types
The charger is a fully automatic, set and forget charger. It is designed to recharge your deep cycle
batteries utilizing charger algorithms that help to maximize the life of your specialized deep cycle
batteries.
The charger features multi-stage smart charging technology that enables the charger to be
connected to your House Battery Bank permanently. With multiple input sources, you can be
assured of charging your batteries everywhere via the utility AC Input, the vehicle alternators, or
when the sun is shining on your solar array. Per battery manufacturer recommendations, deep
cycle batteries require a multi-stage charge sequence for perfect, fast, and accurate charging.
This charger delivers three primary charge stages:
Stage 1 –Bulk Charge: The battery is charged at full rated output current of the charger (as per the setting)
until the battery reaches its final charging voltage, known as its absorption voltage. In this step,
around 80% of the battery is recovered.
Stage 2 –Absorption Charge: With the charger voltage held steady, the remaining 20% of the battery is
replenished with the charger allowing the current to taper off as the battery approaches full charge.
Stage 3 –Float Charge: In the float stage the charger voltage is lowered and held at a constant and safe
predetermined level. This prevents the battery from being overcharged yet allows the charger to
supply enough current to make up for the self-discharge losses of the battery, and supports any
additional loads connected to the battery (such as DC lighting and refrigerators). This stage allows
the charger to be used as a DC power supply.
Stage 4 –Re-Charge: When the House Battery Bank voltage drops to below the set Recharge Voltage, the
charger will recharge the House Battery Bank again by switching to stage 1.
Multi-stage Charging Process for Lithium and Program Battery Types
The Battery Charger has a specific charging profile for Lithium batteries. It has its own charging
voltage and current settings that need to be set by the user. The charger delivers three primary
charge stages:
Stage 1 –Constant Current (CC mode): The battery is charged at the user selected maximum output charging

current (as per the setting) until the battery reaches its selectable Constant Voltage (CV) values. In
this step, around 80-90% of the battery is recovered.
Stage 2 –Constant Voltage (CV mode): With the charger voltage held steady, the remaining 10-20% of the
battery is replenished with the charger allowing the current to taper off as the battery approaches
full charge. This can take anywhere between 3 to 25 minutes and is dependent on the capacity
(size) of the battery bank, the Constant Voltage setting and the battery’s initial state of charge.
Stage 3 –Terminate/Float: It requires the user to set the charger termination current (“L” setting) to decide
when to terminate the charging process. Once the charging current drops to the set termination
current, the charger will then act as a power supply to support additional loads connected to the
battery. This power supply voltage is know as float voltage and is also user selectable.
Stage 4 –Recharge: When the House Battery Bank voltage drops to below the set values (Recharge Voltage),
the charger will recharge the House Battery Bank again by switching to stage 1.
Smart Charging Feature
In Stage 3the charger will regulate itsoutput based onthe loads connectedto your House Battery
Bank. This function is important to maintain the life of your battery banks as some other battery
chargers mistake loads for discharge and continue to keep the batteries in the bulk or absorption
stage for extended periods of time, causing damage to the battery bank.
House Battery Bank Charging Algorithm (4 stages)
House Battery Bank (CH1) Charging and Recharging Voltage Setting
WARNING: FIRE HAZARD. When choosing the battery type, double check that thecharging
voltage setting matches with the recommended charging voltage from the battery
manufacturer. Using the wrong values may overcharge and damage the battery and may
cause a fire.
Battery Setting Type
Charging Voltage Setting
Bulk/Absorption
Float
Recharge Voltage
GEL
14.4V
13.7V
12.8-13.5V (0.1V step)
(Note 1)
AGM
14.6V
13.6V
12.8-13.4V (0.1V step)
Flooded (Note 2)
14.4V
13.3V
12.8-13.1V (0.1V step)
Lithium (Note 3)
13.9-14.6V (0.1V step)
13.5-14.4V (0.1V step)
12.8-13.8V (0.1V step)
Program - Custom Settings (Note 3)
13.9-14.6V (0.1V step)
13.5-14.4V (0.1V step)
12.8-13.8V (0.1V step)
Note 1: The House Battery Bank will automatically start a full recharge cycle again when the battery bank terminal voltage
drops to below the recharge voltage.
Note 2: Battery Equalization setting is available for Flooded batteries. Equalized voltage is set to 15.5V on a 12V battery bank
system. See more details on “Procedure to Equalize the Flooded Battery” on page 12.
For Concorde™branded batteries (Lifeline, Sun Xtender) use flooded setting and consult battery supplier for
equalization recommendations.
Note 3: The Charging Voltage and Float Voltage setting for Lithium battery or for Program –Custom voltage setting are user
selectable. Consult the battery manufacturer for the maximum allowable charging voltage and the float stage voltage
after the battery is fully charged. The Float voltage and Recharge Voltage can only be set to at least 0.2V below the
Bulk/ Absorption voltage and the Float voltage respectively.

Choose the Current Setting for GEL/AGM/Flooded Battery Type
The Bulk/Absorption (Bulk/Abs) and Absorption-Float (Abs-Float) Stage current settings are
based on the House Battery Bank size. Typically, and for maximum lifespan of the sealed and
non-sealed lead acid battery banks, it is recommended the maximum Bulk/Abs (“H”) current
setting should not be more than 1/5 of its total capacity in Ah (e.g. select 40A or lower when a
200Ah battery bank is used).
Battery Bank Size vs Charging Current Setting
Minimum Battery Bank Size used in Ah
100
200
300
400 or higher
Maximum Current Setting “H”in A
20
40
60
80
Once the Bulk/Abs (“H”) current is selected, the Abs-Float Stage (“L”) current can be selected. It
is recommended to select 1/10 of the Bulk/Abs current as the Abs-Float stage current setting.
Available GEL, AGM, Flooded, Program Battery Type Current Setting
Bulk/Abs (“H”) in A
20
40
60
80
Abs-Float (“L”) in A
2/4/6
4/6/8
4/6/8
4/6/8
Note: If a DC load is always ON and connected to the battery bank, a higher Absorption-Float charging current is recommended.
If in doubt about the “L” setting, use the highest available current setting for battery protection.The Absorption-Float current
can be selected to determine when to start passing to the Float stage(with 3 stages setting) or to terminate the charging process
(with 2 stages setting).
Choose Current Setting for Lithium Battery and Program-Custom Setting Type
WARNING: FIRE HAZARD. When choosing the Lithium Battery or Program-Custom Setting
type, a wide range of charging currents are available. Consult the battery manufacturer for
the maximum allowable charging current. Using charging current higher than the allowable
charging current may result in damaging the battery and may cause a fire.
The Charging Current and Termination Current are user selectable and are based on battery bank
size. Consult the Lithium battery manufacturer for the maximum allowable charging current before
setting the Charge Current (“H”). The Termination Current (“L”) can be selected to determine
when to start passing to the Float stage.
The Bulk stage on a Lithium battery is also named Constant Current (CC) Stage and the
Absorption Stage on a Lithium battery is also named Constant Voltage (CV) Stage.
Available Lithium Battery Current Setting (A)
Charge Current (“H”)
20
40
60
80
Termination Current (“L”)
2/3/4
4/6/8
4/6/8
4/6/8
Note: If a DC load is always ON and connected to the battery bank, a higher Termination Current is recommended. If in doubt
about the “L” setting, use the highest available current setting for battery protection.
House Battery Charging Mechanism Setting
The house battery can be charged from the AC charger alone (40A maximum) and from the DC
charger alone (40A maximum) through the Solar or the Alternator Input. When both the AC input
source for the ACCharger and the DC input source forthe DC Charger are available,themaximum
charging current to the House battery can be up to a maximum of 80A.
The following chart shows how AC Charger and DC Charger charging current contribute to
charging the House Battery with the various Maximum Current Settings.
Maximum
Current
Setting
Maximum Charging Current with the availability of AC and DC Charger
Only AC is available
Only DC is available
Both AC and DC are available
80A
40A
40A
80A total (40A from AC, 40A from DC Chargers)
60A
40A
40A
60A total (shared between AC & DC Chargers)
40A
40A
40A
40A total (40A from AC)
20A
20A
20A
20A total (20A from AC)
If both AC source and DC sources are available, there is no preset priority charging to choose
between the use of the AC Charger and the DC Charger. The charging current can be from either
the AC Charger or the DC Charger. During the Absorption stage, if the demand on the charging
current is lower than the current setting, the charging current can be supplied from either the AC
Charger or the DC Charger, or both chargers.

There are 6 user selectable settings for the DC Charger. Choose the appropriate setting that fits
the needs:
P1 (Alternator Input with Ignition Start signal as high priority): The unit house battery will be
charged from Alternator Input when ignition start signal is provided and is in operating range.
If Ignition Start signal is not provided or if Alternator Input is out of operating range, the house
battery will switch to charge from Solar Input if it is available and in operating range.
P2 (Solar Input as high priority): The house battery will be charged from Solar Input when it is
in operating range. When Solar Input is not available, the house battery will switch to charge
from Alternator Input if it is available and in operating range. The Ignition Start pin signal is
ignored in this setting.
P3 (Alternator Input without Ignition start as high priority): The house battery will be charged
from Alternator Input when it is in operating range. When Alternator Input is not available or
out of the operating range, the house battery will switch to charge from Solar Input if it is
available and in operating range. In this operating mode, the Ignition Start pin signal is
ignored.
P4 (Solar Input only): The house battery will be charged from Solar Input only. The DC charger
will not switch to charge from Alternator Input even the Solar Input is not available or out of
operating range.
P5 (Alternator Input with Ignition-Start only): The house battery will be charged from Alternator
and with Ignition-start signal only. The DC charger will not switch to charge from Solar Input
even the Alternator Input is not available or out of operating range or Ignition-start signal is
not available.
P6 (Alternator Input only): The house battery will be charged from Alternator only. The DC
charger will not switch to charge from Solar Input even the Alternator Input is not available or
out of operating range.
See more details in the chart below on how the DC Charger will operate with different priority
settings under various conditions.
Unit Setting
Solar Input
Alternator Input
Ignition Start Port
Charging Mode
P1
(Alternator Priority
with Ignition Start
signal)
In or out of range
In range
High Signal
Alternator
In range
No Signal
Solar
Out of range
No Charge
In range
Out of range
With or Without Signal
Solar
Out of range
No Charge
P2
(Solar Priority)
In range
In or Out of range
With or Without Signal
Solar
Out of range
In range
Alternator
Out of range
No Charge
P3
(Alternator Priority
without Ignition
Start signal)
In or out of range
In range
With or Without Signal
Alternator
In range
Out of range
Solar
Out of range
No Charge
P4
(Solar only)
In range
In or Out of range
With or Without Signal
Solar
Out of range
No Charge
P5
(Alternator with
Ignition Start only)
In or Out of range
In range
High Signal
Alternator
No Signal
No Charge
Out of range
High Signal
No Charge
No Signal
No Charge
P6
(Alternator Only)
In or Out of range
In range
With or Without Signal
Alternator
Out of range
No Charge

4. INSTALLING THE CHARGER
Unit System Diagram
Note: This diagram is for reference only. No cables, fuse/breakers, batteries, or solar panels are supplied with
this unit. Local rules and regulations should be followed when installing this unit.
WARNING: KISAE Technology recommends that all wiring be done by a certified technician
or electrician to ensure adherence to the applicable electrical safety wiring regulations and
installation codes. Failure to follow these instructions can damage the unit and could also
result in personal injury or loss of life.
CAUTION: Before beginning your unit Installation, please consider the following:
•The unit should be used or stored in an indoor area away from direct sunlight, heat,
moisture, or conductive contaminants.
•When placing the unit, allow a minimum of three inches of space around the unit for
optimal ventilation.
Mounting the Charger:
•Choose an appropriate mountinglocation.
•For installing in an indoor location,the unit should be mounted vertically
(with the battery terminals facing downwards). This provides the best
thermal performance and drip protection. The unit should NOT be
mounted upside down.
•For installing in a boat or marine environment, the unit should only be
mounted vertically (Battery Terminals facing downwards) to provide
adequate dripprotection.
•Use the base of the charger as a mounting template to mark the
positions of the screws.
•Drill the 4 fixing holes and place the Charger in position and fasten the
unit to the mounting surface.
Note: The charger is designed to be permanently mounted.

Wiring the Charger:
Chassis Ground Stud Connection:
DANGER: The unit chassis has to be grounded properly. Never operate the Charger without
proper grounding. Failure to do so will result in death or serious injury. Ground
connection to the charger must comply with all local and application-specific codes and
ordinances.
Connect the unit’s chassis ground to the common ground point in the system through the
“Chassis Ground” stud located on the rear of the unit.
DC Inputs (Alternator & Solar), DC Output, Common Ground Wiring:
WARNING: The DC wiring used must be of an appropriate size. An individual over-current
protection device such as a fuse or circuit breaker usually within 7 inches (17.8cm) of each battery
bank is required. A DC disconnect switch is also recommended. Both devices must be rated for
DC voltage and current to withstand the short circuit current available from the connected battery
bank. Both devices must match the size of the DC wiring.
Recommended Cable Length, Size and Fuse Protection:
•Use the following chart to determine the recommended fuse and wire size connection for
Alternator Input (CH3) and House Battery Output (CH1) based on < 5ft wire length.
Unit Connection
Fuse/Circuit Breaker size
Wire Size
CH 1 House Battery Bank
80 A
AWG #2, 34mm2
CH 3 Alternator Input (12V system)
60 A
AWG #4, 25mm2
(24V system)
30 A
AWG #6, 16mm2
Note: Keep the connection between the House Battery bank and CH1 as short as possible.
•Use the following chart to determine the recommended fuse and wire size connection for
Solar Input (CH2) based on < 20 ft wire length and solar panel size configuration.
Solar Panel Size
1 panel
2 panels
3 panels
12V 200W
15A, 10AWG
30A, 6AWG
40A, 6AWG
24V 200W
10A, 10AWG
15A, 10AWG
30A, 6AWG
12V 400W
30A, 6AWG
50A, 4AWG
N.A.
24V 400W
15A, 10AWG
30A, 6AWG
N.A.
Note: The solar panel size listed on the chart above is for reference only. The fuse size, cable length and wire gauges
vary with the solar panel size accordingly. Please consult the solar panel manufacturer for wiring details. The rule
of thumb for selecting a fuse, is to add 10-15% to the total short circuit current the solar panel can provide. The wire
size will be based on the fuse used.
•Detach the plastic cover of the DC wiring compartment by removing the two screws on its
top.
•Connect the CH1 “+” terminal in series to one of the over-current protection devices, the
disconnection device, and finally to the “+” terminal of the House Batterybank.
•Connect the unit’s “Common Ground” port to the negative terminal of the House BatteryBank
or the “Common Ground”point of the system.
•Connect the vehicle’s alternator or the starter battery’s positive terminal to the unit’s CH3 “+”
port and the negative terminal to the unit’s ‘Common Ground” port.

•Connect the solar array’s positive terminals to the unit’s CH2 “+” port and the negative
terminal to the unit’s “Common Ground”.
•Tighten all the bolts of the charger terminals to 4.0-5.0 N-m (35-45 lb-in) of torque. Do not
over-tighten as this may result in damage to thecharger.
•Replace the plastic cover to its original position and secure the two screws on itstop.
Note: Negative wires of CH3, CH2, CH1 are connected at “Common Ground” port of the unit.
Remote Port Connection
•Connect the provided Display to the “Remote” port on the unit through the provided RJ12
cable and connect the other end of the RJ12 cable to the “Remote” port at the back of the
remote.
Battery Temperature Sensor (BTS) Port Connection
•To install the Battery Temperature Sensor (BTS), sold separately, simply connect the RJ12
plug from the sensor to the ‘BTS’ port on the unit.
•Connect the other end the temperature sensor (ring terminals/lug) to the negative terminal of
the main house battery bank.
Ignition Start Port Connection (required for P1 and P5 setting use only)
•Connect the Ignition Start signal from the vehicle to the Ignition Start port on the unit.
•This connection is required for DC Charger Priority setting P1 and P5 use only.
•For P1 and P5 setting on DC Charger operation, see more details in “House Battery
Charging Mechanism Setting” on page 7.
CAN Port Connection (optional)
•Communication port for use with CANBUS communication system.

5. UNIT OPERATION
Unit ON/OFF
There are three ways to turn ON the unit:
•Using the unit Power push button switch located on the main unit and on the Display Panel:
Press and hold the green Power push button switch on the main unit or ‘Power’ push button
switch on the Display Panel for approximately one second to activate the charger. When the
unit is not in use, press and hold the Power switch on the main unit or the ‘Power’ push button
on the Display Panel until the display shows ‘PWR OFF’ to turn unit off. These two power
switches share the same function to control the unit on/off. They are not the power switches
to disconnect the power connection to AC Input of the AC Charger and the two DC Inputs of
the DC Charger.
•Using the Ignition Start Port:
The unit can also be turned ON by using the positive rising edge on a > 8V voltage signal
provided to the Ignition start signal. After the unit is turned ON, the unit will remain ON even
if the signal is removed.
•Using the Solar Input Port (CH2):
The unit can also be turned ON by providing a > 20v signal to the solar input port (CH2).
There are two ways to turn OFF the unit:
•Using the Power push button on the main unit or on the Display panel:
Press and hold the Power push button switch for approximately one second or on the Display
panel to turn OFF the charger. The Power switch is a signal switch and not a main power
switch to disconnect the connections between the DC Inputs and the DC Output of the unit.
•Using the Automatic Unit OFF function:
With AC utility input not available and when charger senses both CH2 and CH3 input are out
of operating range or not available, the unit will automatically turn OFF in 3 minute to avoid
the sustained current being drawn from either the house battery or the alternator battery.
Note: If the ‘Ignition Start Port’ is connected with high voltage signal, both the Power push button
and the Automatic Unit OFF function cannot be used to turn the unit OFF.
Understanding the Charging Mechanism
The Charger is powered by the battery connected to the House Battery or by the AC Input
connected to the AC Power source. If No AC Power source is available, the unit requires a
minimum of 8Vdc from the House battery to operate.
Operating from an Alternator/Starter Input (CH3)
The CH3 DC Input (Alternator/Start Battery Input) will accept a 12V or a 24V Input battery with an
alternator system. When the unit is first connected, the unit will measure the input voltage. If the
voltage is > 17V, it will assume it is connected to a 24V Input Battery/Alternator system. If the
voltage detected is < 17V, it will assume it is connected to a 12V Input Battery/Alternator system.
Once detected, it will store this into the microprocessor, and it will only be erased if the Input battery
is disconnected or if the measured Input Voltage drops to < 7Vdc.
Normal Operation
Alternator/Starter Input (CH3)
12V INPUT Source
24V INPUT Source
Input Voltage Range
10.5 –16.0V
21.0 –32.0V
Start-Up Voltage CH3 setting (Note A)
11.5 –13.8V
25.4 –27.4V
Under Voltage Recovery Voltage (Note A)
0.4V below Normal
Start-Up Voltage
0.8V below Normal
Start-Up Voltage
De-Rated Voltage (with load) (Note B)
11.5V
23.0V
Under Voltage Shutdown Voltage (with load) (Note B)
10.5V
21V
Over Voltage Shutdown
16.0V
32V
Over Voltage Recovery
15.5V
31V
Input Battery System Reset Voltage (Note C)
< 8V
< 8V
Maximum Input Current (CH3)
50A
50A
Note A: This voltage setting determines the start-up voltage for charging thehouse battery through the alternator. This setting
is for use with P1, P3, P5 and P6 only. Once this threshold is met, the house battery will start charging from the alternator.
If the alternator voltage drops to below the ‘Under Voltage Recovery Voltage’, the charger will go to an Alternator Input
Voltage checking process. It will start to charge for 3 minutes and then stop charging for 5 seconds. By the end of 5
seconds, the unit will check CH3 voltage. If the voltage rises to above the ‘Under Voltage Recovery Voltage’, it will carry
on charging the House battery. But if the voltage does not rise to above the ‘Under Voltage Recovery Voltage’, it will
terminate the charging process and depending on the priority setting, the House battery may switch to charge from CH2
solar input or charge again from the alternator if the alternator voltage bounces back to above the ‘Start-Up Voltage’.

Note B: During the 3 minutes charging process, if the measured CH3 terminal voltage drops below the Under Voltage de-
rating voltage (11.5V for a 12V Input system or 23V for a 24V Input system), the charger will start to de-rate the output
current. This function is used to compensate for the use of long or thin wire between the Alternator Input Battery System
and the unit terminals. If the input voltage continues to drop below the Under-Voltage Shutdown Voltage (10.5V for a 12V
Input system and 21V for a 24V Input system), the charging process from CH3 will be terminated. Depending on the
priority setting, the House battery may switch back to charge from CH2 solar input or charge again from the alternator
once the alternator voltage bounces back to above the Start Up Voltage.
Operating from an PV Solar Array/ Panel (CH2)
The DC charger limits the input current of CH2 to 40A maximum. If a 12V solar panel is used, with
maximum charging current setting charging from the solar input, the maximum solar input power
required is around 600W with 40A input current. If two 12V solar panels are used and connected
in series, the maximum input current is around 20A. In considerationof the power available through
the solar panel during a cloudy (or intermittent sunny) day to harvest more solar energy, you can
however “overdrive” the MPPT controller. Please note that doing this is partially an economic
decision. You can install more power than the controller can use, and this will contribute to better
power availability. We suggest a total maximum overdrive of 20% (total 720w).
Normal Operation
PV Solar Array/Panel (CH2)
PV Input Voltage Range
14.5 - 55V
PV Input Under Voltage Shutdown
< 14.5V
PV Input Under Voltage Recovery
15.0V
PV Input Over Voltage Shutdown
> 55.0V
PV Input Over Voltage Recovery
≤ 48.0V
PV Charging Mechanism
MPPT type (approx. 97% efficiency)
Maximum Input Current
40A (*Note)

Trickle Charge Alternator battery (CH3) by Solar Power (CH2) ‘STC’
This unit comes with a unique reverse charging feature that uses CH2 Solar Power to trickle
charge the Alternator battery connected to CH3. This function will only work with P4 (Solar Input
Only) setting.
To activate this function, go to ‘STC’ setting function, press Menu Set once and use the Up and
Down buttons to select the desired setting. See more details in Section 6 in Appendix.
‘OFF’: The trickle charge function is disabled.
‘ON’: The trickle charge function is enabled.
Restarting a latched Lithium Battery or a dead SLA battery ‘SIL’
The unit also comes with a unique manual startup charging mechanism to reset a Lithium battery
that has been latched off by the internal BMS inside the Lithium battery due to under voltage
shutdown or other fault condition. This function is designed to be used with Lithium battery setting
only. To activate this function, go to unit setting mode and set ‘SIL’ function to On. It will provide
12V 1A charging current to CH1 House battery for 30 seconds. When the process is finished, the
unit will automatically switch Off and the unit will go back to normal operation. If the Lithium battery
is still in a latched off condition, check the Lithium battery and then restart the startup charging
mechanism if needed or consult the battery manufacturer for instructions on starting a latched
Lithium battery.
In case the SLA House Battery connected to CH1 is discharged to below 8V, the battery charging
function may not function normally. In case this happens, temporarily change the battery to Lithium
type and use the above procedure to activate the SIL function. Once finished, please be sure the
battery type is changed back to the original battery type.

Understanding the Display function during normal operation
Digital Display
Display shows House battery’s battery information voltage (V), charging current (A), charging status (BUL –Bulk
stage, Flo –Float stage)
Solid: PV input CH2 is charging the house battery
Flashing: CH2 is in standby, PV input CH2 is available and is in operating range. The house battery is charging from
the other channel
Off: CH2 is out of operating range or is not connected.
Solid: Alternator input CH3 is charging the house battery
Flashing: CH3 is in standby, Alternator input CH3 is available and is in operating range. The house battery is
charging from the other channel with higher priority, or the ignition start signal is not available with P1
setting.
Off: CH3 is out of operating range or is not connected.
Solid: PV input CH2 is charging the house battery
Solid: Alternator input CH3 is charging the house battery
Solid: AC Charger is charging the house battery
Solid: DC Output is available and is charging the battery voltage
Solid: AC Input is available and is charging the house battery
•During normal operation with house battery charging being in place, the display shows
alternately the House Battery Bank Voltage (V), Charging Current (A) and Charging Stage
Status (‘bul’ = Bulk, ‘Abs’ = Absorption, ‘FLo’ = Float) of the CH1 output.
•If the other input channel ‘CH3’ or ‘CH2’ is available and its voltage is in its corresponding
‘Start- Up” voltage threshold, the icon will be flashing.
•When ‘AC to Battery’ icon is ON, it indicates the AC utility input is available and is charging
the house battery.
Understanding the Push Buttons Functions on Display Panel
Power
To turn unit ON, press ‘Power’ button on main unit or on remote.
To turn unit OFF, press and hold ‘Power’ button on the main unit or the remote for about 3 seconds, display will show
‘PWR - OFF’and shutdown.
Menu
Set
In normal operation, Press ‘Menu Set’ for about 3 seconds to enter parameter display mode. The display shows the
following parameters. Use Up and Down button to toggle between parameters.
•‘PRI’ (priority setting), follow with the existing setting (‘P1’to ‘P6’)
•‘bAT’ (Battery type): ‘AGM’/‘GEL’/‘Flooded’/‘Lithium’/‘Program’
•‘CH3’ (Alternator Start-Up voltage): 11.5 to 13.8V and 23 to 27.6V
•‘STC’ (Trickle charge from PV to Alternator): OFF/ON
•‘SIL’(Restart a latched Lithium battery): OFF/ON
•‘MFd’ (Manufacturing Default Setting): PRI - P3, Bat - Li, BUL - 14.4V, Flo - 14.0V, REC - 13.5V, H80A, L8A, CH3
-13.2V, STC - OFF, SIL - OFF.
With individual settings, press ‘Menu/Set’ again to enter setting change mode. The selected setting will be shown on
the display. Use ‘Up’ and ‘Down’ to toggle between available settings. Press ‘Menu/Set’ to confirm the new setting.
Up /
Down
•Use to toggle between parameters in parameter display mode.
•Use to toggle between settings in setting change mode.
Escape
To exit parameter setting mode.

Understanding Three-Stage (Mode 3), Two-Stage (Mode 2) Charging for GEL,
AGM, Flooded battery & Program Mode battery
The Three-Stage Charging (Mode 3) consists of Bulk, Absorption and Float stages. During the
Bulk stage, the house battery (on CH1) accepts the maximum constant current from the charger
as per the setting. In the Absorption stage, the battery voltage is held to constant voltage and the
charging current will slowly reduce. In Float stage, the charger continuously produces lower
constant float voltage to fully top up and maintain the battery in a fully charged state. The charger
will automatically restart the full charging cycle if it senses the battery bank is discharged to lower
than the Recharge battery voltage setting.
The Two-Stage Charging (Mode 2) has only Bulk and Absorption charging stages. Charger will
terminate battery charging once it reaches the Absorption to Float (“L”) current setting. The
charger will automatically restart the full charging cycle if it senses the battery bank is discharged
to lower than the Recharge battery voltage setting.
Manual Battery Temperature Compensation Setting (GEL, AGM, FLOODED,
BATTERY ONLY)
There are three manual battery temperature settings on the unit (‘Low’, ‘nor’ and ‘hi’). Select the
proper setting based on the room temperature as per the following table. The unit can provide a
more accurate and automatic temperature compensation when the optional Battery Temperature
Sensor (BTS) is in used. See more details in the Automatic Battery Temperature Compensation
using the BTS section below.
Temperature Setting
Existing Battery Room
Temperature
Battery Type
Voltage adjustment from 25°C
normal setting
Low (Low)
< 5°C
GEL, Flooded
+0.675V
AGM
+0.525V
Normal (nor)
> 5°C and < 30°C
GEL, Flooded, AGM
(always for Lithium)
0V
0V
High (hI)
< 30°C
GEL, Flooded
-0.270V
AGM
-0.210V
Automatic Battery Temperature Compensation using the BTS (GEL, AGM,
FLOODED, BATTERY ONLY)
The Battery Temperature Sensor (BTS) is an optional accessory for the charger to protect your
battery and provide better charging voltage accuracy, by making small adjustments to it, based
on the temperature measured directly on the battery. No special setting is required. The unit
automatically detects when the sensor is plugged into its corresponding “BTS” port located in the
DC wiring compartment, and overrides the manual temperature setting (i.e. “Low”, “Nor”, and
“Hi”). It is highly recommended that the BTS to be installed on the main battery bank negative
terminal.
With this optional feature, thecharging voltage is automatically adjusted as perthe followingtable.
Measured Battery
Temperature
Automatic BatteryCharging Voltage Adjustment from 25°C
Flooded and GEL type
AGM type
< 25°C
+0.027V / °C
+0.021V / °C
25°C
0V
0V
> 25°C
-0.027V / °C
-0.021V / °C
Additionally, the BTS allows the triggering of the E07 and A02 messages corresponding to the
battery over-temperature shutdown and alarm, respectively.
When the optional BTS is in used with Lithium Battery setting, there is no voltage compensation
on the charging voltage. The unit will shut down the charging process when it senses the battery
temperature is falling to below 0C or above 50C. It will resume the battery charging process
automatically when it senses the Lithium battery temperature rising to above 5C or dropping to
below 45C.
Procedure to Set or View Charger Setting
Follow the procedure or sequence in Appendix to view or change setting on the unit.

Procedure to Equalize Flooded Battery
DANGER: Explosion Hazard. The battery generates explosive gases during equalization. Follow
all the battery safety precautions listed in battery manual.
DANGER: Explosion Hazard and Risk of Battery damage. When using the equalization mode,
the user has to be sure the battery connected to the channel is a flooded battery type.
Equalizing a non-flooded battery may overcharge the battery and may cause the battery to
explode.
CAUTION: Risk of Battery and Equipment damage. Only Flooded lead-acid batteries can be
equalized. Consult your battery manufacturer or read the battery manual when you try to
equalize your batteries. Disconnect any DC load connected to the battery, as during equalize
mode, the charger will produce 15.5V on 12V model, or 31.0V on 24V model, to the batteries.
You must monitor the battery-specific gravity throughout the equalization process to determine
the end of the equalizing cycle.
Note: The equalization function although included in the unit will rarely be used. To activate, the battery
bank must be in float stage, and stage activation is performed manually. A typical vehicle may not provide
enough time for the unit function to complete the process. The MPPT Solar function may provide enough
time for Equalization, but the best recommendation will be using an AC powered battery charger. KISAE
does manufacture a line of smart AC battery chargers, please consult www.kisaepower.com.
Before setting the equalization mode, please be sure the battery is a flooded battery type, and
the battery type is set to Flooded type.
To equalize the flooded battery, go to settings and change ‘Eq’ from OFF to ON. The charger
will automatically fully charge the battery bank and will then follow with 1 hour of equalization.
Check the battery electrolyte level during the equalization period. If necessary, refill with distilled
water only. All cells should have similar electrolyte levels. If distilled water is added, batteries
must undergo a complete charge cycle. Because the charger cannot determine when to
terminate the equalization of the battery, a one hour time-out is set and this is used as a safety
feature to require the user to continually re-activate it as necessary after checking batteries
manually. Please note the battery mode setting has to be set to ‘Flooded’ battery type in order
to have this functionactivated. To deactivate the equalization on flooded battery, go to settings
and change ‘Eq’ from ON to OFF.
Understanding the Display Codes and the Protection Features.
Codes will show on the display when either a function or internal warning / fault, such as high
internal temperature or DC out-of-range is detected, and the charger may shut down to protect
itself until the fault has cleared. See table description below for more information.
Code
Description
bUL
The charger is in Bulk Charging Stage
Bulk or Boost charge: The battery is charged at full rated output current of the charger until the
battery reaches its final charging voltage, known as its absorption voltage. For SLA or Flooded
battery type, the battery is charged to approximately 80% of its capacity. For Lithium battery type,
the battery is charged to approximately 90-95% of its capacity.
Abs
The Charger is in Absorption Charging Stage
Absorption charge: With the charger voltage held steady, the remaining battery capacity will be
topped up during this stage to full battery capacity.
FLo
The Charger is in Float Charging Stage
Float Charge: In the float stage the charger voltage is lowered and held at a constant and safe
predetermined level. This prevents the battery from being overcharged yet allows the charger to
supply enough current to make up for the self-discharge losses of the battery, while supporting
any additional loads connected to the battery (such as DC lighting and refrigerators). This stage
allows for the charger to be used as a DC power supply.
CHE
CH3 Input Voltage Check
This is displayed for 5 sec. every 3 minutes when charging from the CH3 Start-Battery/Alternator
input. It occurs when the CH3 Input Voltage is 0.4V below the CH3 startup voltage. During this
5 sec. checking period, the CH3 is internally disconnected to check its voltage and to decide if it
meets the corresponding Under-Voltage-Recovery-Voltage. See more details on Section 5
“Operating from an Alternator/Starter Input (CH3)”
Section 6 for moredetails.

Error Code for DC Charger
E01
(CH2/CH3
flashing)
CH3 High Input Voltage Shutdown with CH3 available only
The unit has detected that the CH3 Start/Alternator input has gone above 16.0V on a 12V input
battery or 32.0V on a 24V input battery. This error will clear once the input has dropped below
15.5V on a 12V battery input or 31.0V on a 24V battery input.
E02
(CH2/CH3
flashing)
CH3 Low Input Voltage Shutdown with CH3 available only
The DC Charger section has detected that the input from the CH3 Start/Alternator has gone
between 8 to 10.5V on a 12V battery input or 16 to 21V on a 24V battery input. This error will clear
once the input has risen above the Low or Normal Start-Up voltage.
If you have this error:
•Confirm the voltage of your CH3 Start Battery is above the corresponding Start-Up voltage
• Check that your alternator is running properly.
• Check that the battery cable from the Start Battery is properly sized, to avoid excessive voltage drop.
• Make sure there are not any loose terminals or blown fuses.
• Check if there are DC loads drawing current from the CH3 Start battery, resulting in a net
discharging current.
E03
(CH2/CH3
flashing)
CH2 High Input Voltage Shutdown with CH2 available only
The input from the CH2 Solar input has gone above 55V. This error will clear once the input
drops below 52V.
If you have this error:
• Check the specification of your panels –the Volts Open Circuit (VOC) should not exceed 55Voc.
• If having panels in series for 24V nominal, make sure its voltage in open circuit (Voc) does not
exceed 55V when having maximum sunlight condition. Otherwise, consider connecting the solar
panels in parallel (i.e. + to + and - to -) for a 12V nominal panel array.
E04
(CH2/CH3
flashing)
CH2 Low Input Voltage Shutdown with CH2 available only
The DC Charger section has detected the input from the Solar Array between 10 to 14V.
If you have this error: This is not necessarily a malfunction.
• Check that you are not in a low light/non- direct sunlight situation i.e. early morning /late
afternoon, or even at night.
• This may also happen if your solar panels are inside of a shed with a skylight or outside under
Flood Lights.
If you find this is happening with your unit when stored, we recommend fitting a DC breaker to
the output of the Charger and turning it off when the unit is not in use.
E05
(CH2/CH3
flashing)
CH1 High Input Voltage Shutdown
This means the unit has detected that the CH1 Main/House battery has gone above 16.0V This
error will clear once the input has dropped below 15.5V.
This may be due to the house battery being charging from another external charging source, and
it has charged the House battery to above the threshold.
E06
(CH2/CH3
flashing)
Over Temperature Shutdown
When the DC Charger section’s internal temperature rises above 65°C, the charger will
shutdown. It will recover automatically when the environmental temperature drops below40°C.
• Check to make sure the fan isworking.
• Make sure the unit has good ventilation.
E07
(CH2/CH3
flashing)
BTS Over Temperature Shutdown
This means the Battery Temp Sensor has detected that the batteries are too hot > 60°C and have
shut down to not over charge the batteries. The unit will return back to normal charging once the
battery temperature sensor is < 56°C.
If this occurs, check the temperature of the batteries.
• If the Batteries are Hot –you may have a dropped cell or faulty battery. Stop all charging and
see your local battery shop to get your batteries tested.
• Check the batteries and the charging current. The charging current may be set too high.
• If the Batteries/Terminals are still cool or only warm, you may have a bad temp sensor. Unplug
the temp sensor and contactKISAE.

Warning Code for DC Charger
A01
(CH2/CH3
flashing)
Over Temperature Warning
When the charger’s internal temperature is > 60°C, the unit will show ‘A01’. If the ventilation of
the unit is not improved, it will lead to ‘E06’- Unit Over Temperature Shutdown.
The ‘A01’ warning code will disappear when the internal temperature drops to < 58°C.
• Check if there is an object blocking the air ventilation of the unit.
• Check if the fan is working.
• Make sure the unit has good ventilation.
A02
(CH2/CH3
flashing)
BTS High Temperature Warning
When the battery temperature sensor is > 58°C, the display will show ‘A02’. If the ventilation of
the battery environment is not improved and the temperature continuously rises, it will lead to
‘E07’- BTS Over Temperature Shutdown.
The ‘A02’ warning code will disappear when the measured temperature drops to < 56°C.
• Check the batteries and the charging current. The charging current may be set too high.
• Make sure the batteries have good ventilation.
Error Code for AC Charger
E02
(AC Input
flashing)
AC Input has been detected <85Vac and AC Charger section is with low AC Input Voltage
shutdown. Check that the AC Input voltage is above 100Vac.
E03
(AC Input
flashing)
CH1 House battery DC Output is connected in reverse. Check the CH1 DC Output connection.
Reconnecting the CH1 DC output wires is required.
E04
(AC Input
flashing)
AC Input Charger has detected that the internal section has over temperature shutdown. Check
the ambient temperature or if any ventilation opening is blocked by any object. Check to make
sure the fan is working.
E06
(AC Input
flashing)
AC Input Charger has detected the BTS temperature is running at high temperature and has
shut down the battery charging. Check House battery temperature.
E09
(AC Input
flashing)
AC Input charger has detected AC Input Voltage high and has shutdown. Check the AC Input
source and make sure the AC Input source provided is within the operating range of the unit.