IOTA Specifications

The IOTA IQ4 Smart Controller is warranted from defects in materials or work-
manship for two years from date of retail purchase, and limits the remedies to
repair or replacement. This warranty is valid only in the continental United States
and Canada. For complete warranty details, contact Customer Service or visit
www.iotaengineering.com.
OPTIONS
IOTA REV 111711
WARRANTY
IQ4
FOUR-STAGE SMART CHARGE CONTROLLER
EXTERNAL IQ4 PENDANT FOR 12V AND 24V DLS
54V-IQ4 (MODIFIED FOR USE WITH 54V DLS)
PARALLEL IQ4
(FOR TWO DLS UNITS OPERATING IN PARALLEL)
MODELS
DIMENSIONS
CHARGING VOLTAGES
IOTA ENGINEERING PO BOX 11846 TUCSON, AZ 85734 TEL: [phone]-IOTA (4682) FAX: [phone] WEB: www.iotaengineering.com
INSTALLATION
The IQ4 installs by plugging the provided IQ4 cord into the
Dual Voltage Jack of the DLS Series battery charger*. The
IQ4 circuitry is then automatically activated. NOTE: The cord
provided with the IQ4 is only designed for use with the charge
controller. Do not use the IQ4 with any cord other than one
that is supplied with the unit.
The charging voltage for the different stages varies depending on the voltage
of the battery.
BATTERY
VOLTAGE
12V
24V
48V*
BULK
STAGE
ABSORPTION
STAGE
FLOAT
STAGE
14.8V
29.6V
59.2V
14.2V
28.4V
56.8V
13.6
27.2V
54.4V
*The DLS-54-13 battery charger for 48V applications requires an IQ4 charge controller
modified for 54V.
*Location of the Dual Voltage Jack may vary depending on the
DLS model.
DUAL VOLTAGE JACK
IQ CHARGE CONTROLLER
The Equalization Stage will cycle the battery through the Bulk and Absorption
Stages before returning the battery to the Float Stage.
Overall charging times will vary depending on several factors, such as the
capacity of the battery, discharged state of the battery, the amperage of the
DLS battery charger, and gauge of wire connections.