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TWO-STEP VOLTAGE JACK

The two-step voltage jack allows switching from a long-term 
float voltage of 27.2vdc to a ‘high-stage’ voltage of 29.6vdc. 
When the included dual voltage plug is inserted in the jack*, 
the voltage rises to 29.6vdc for occasional fast charging. 
When the plug is removed, the voltage drops to 27.2vdc to 
reduce battery water loss. 

WARNING: To avoid battery 

damage, remove the Dual Voltage Plug when quick-
charging is complete.  

NOTE: If the unit is equipped with 

an internal IQ4 smart charger, two-step charging is not 
needed and the Dual Voltage Jack is disabled.

CHARGE CONTROL

THE IQ4 LED INDICATOR 

(ONLY ON IOTA MODELS WITH INTERNAL IQ4)

IOTA Models with an internal IQ4 smart-charger give the 
user the benefit of automatic Bulk, Absorption, and Float 
stage charging. This increases the charging capacity of 
the IOTA charger, decreases charge times and insures 
proper and safe battery charging without over-charging. 
The green LED on the fan end of the unit will indicate which 
charging phase the IOTA unit is currently in. When the unit 
is first activated, the LED will flash as it reads the number 
of cells in the battery. The unit will then proceed directly 
to the Bulk charging or Float charging phase depending 
on the charge status of the battery. Use the LED CODE 
TABLE for reference when checking the LED. Units that do 
not have an internal IQ4 smart-charger can easily install 
an external IQ4 that plugs into the available Dual Voltage 
Jack. Contact Customer Service for more information.

*Actual component locations may vary depending on model.

Location of the Dual Voltage Jack may vary depending on model.

ILLUSTRATION 1 - DLS CONNECTIONS*

ILLUSTRATION 3 - DUAL VOLTAGE JACK

RECOMMENDED WIRE GAUGE 
AND TORQUE:

4-6 AWG - 45 in. -lbs
8 AWG - 40 in. -lbs

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