DLS SERIES FAQs
How long will it take to charge my batteries?
Is the fan going to run at all times?
What is Dual Voltage?
Will an IQ4 Smart Charger help me?
Does my unit work on 220-240V?
What are the fuses on the DLS for?
The amount of time it takes the battery to charge is de-
pendant on many factors, ranging from the capacity of
the battery or battery bank, battery condition, the amount
the battery has been discharged, and which model DLS
is being used.
No. DLS units feature “proportional fan control,” meaning
the fan will run only when needed and at the speed neces-
sary to cool the unit. The result is quieter operation of the
charger with no sudden starting and stopping fan noise.
Dual Voltage allows selectable charging capability, of-
fering a standard 13.6V “float” charge and a stepped-up
14.2V “bulk” charge for 12V DLS units (for DLS units oth-
er than 12V output, refer to the owner’s manual for dual
voltage ratings). Manually increasing the float charge to
the bulk charge allows for faster charging of the battery.
The IQ4 Smart Charger offers automatic charging control
for the DLS, providing longer and safer use of your sys-
tem’s battery. The IQ4 allows the battery charger to oper-
ate as an automatic ‘smart’ charger by delivering Bulk,
Absorption, and Float stage charging, and providing an
Equalization charge every seven days.
220-240V systems require a DLS model specifically de-
signed for that application’s voltage. These DLS units are
clearly identified on the label as 240V and are available
in a variety of amperages. Additionally, the rating speci-
fications on the DLS label will indicate the appropriate
input voltage range for the unit.
The fuses on the DLS provide Reverse Polarity Protec-
tion in the event that the DLS output is connected incor-
rectly. If the fuses are blown, verify proper installation
before replacing the fuses. Always replace the fuses with
the same size and style fuse that came with the unit.
I’m using a DLS unit that does not feature a
Dual Voltage Jack. Can I still use an IQ4 Smart
Charger?
Yes. While the IQ4 Smart Charger is now designed to
simply be inserted into the Dual Voltage Jack, it can
be wired for use with original DLS models that do not
have the Dual Voltage Jack. Contact Technical Sup-
port for wiring instructions on how to connect the IQ4
to these units.
DLS SERIES
TROUBLE-SHOOTING
STEPS
In situations where the battery is not charging, or you
wish to confirm that the DLS is functioning properly, fol-
low these diagnostic procedures:
1) Unplug the DLS and check the electrical box for
120VAC output.
2) With the DLS unplugged, disconnect the positive
lead from the DLS. Be careful to not let the wire come in
contact with anything while it is disconnected.
3) Plug the DLS into the 120VAC supply and measure the
DC output (make sure the Dual Voltage Plug is not
inserted into the jack). The output voltage should be
13.6VDC. A correct voltage indicates that the DLS is
functioning properly.
4) Check the fuses on the DLS. If the fuses are blown,
check for proper polarity connection on the output
of the DLS and replace any blown fuses.
5) If the voltage is incorrect, contact IOTA by calling
1-800-866-4682 or e-mail techsupport@iotaengineering.com.
PO BOX 11846 TUCSON, AZ 85734 1-800-866-IOTA (4682) FAX: (520) 741-2837 www.iotaengineering.com
All IOTA products receive 100% quality inspection before ship-
ment to insure proper and satisfactory operation. IOTA war-
ranties all power products in the continental United States and
Canada from defects in materials or workmanship under nor-
mal use for two years from date of retail purchase and will repair
or replace any IOTA product found to be defective in materials
or workmanship free of charge. Call 1-800-866-4682 or visit
www.iotaengineering.com for warranty details.
Need more info? Contact our DEALER HOTLINE...call 1-800-866-4682 or e-mail techsupport@iotaengineering.com
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