Chargetek RTIC-1120-W User manual

Charger operation
The RTIC-1120-WP is fully automatic once installed properly.
The LED indicator lights inform the user of the progress of the

Electrical characteristics
LED indicators
Charging mode: Indicates the state of charge of the battery.
The green Float light indicates the battery is fully charged.
Charging current LEDs indicate amount of current.
AC Power On LED indicates AC power is applied to the
charger.
Charging status LED indicates the output is connected
properly to the battery and is being charged.
Protection modes
Over temperature: The unit inhibits until it cools off and then
restarts automatically. This is indicated by the AC Power and


This is indicated by the AC Power on and 14-20 Amp Charging

disconnected and reconnected once the charger has cooled off.
Over voltage:



Optional relay contacts
-


proper operation.
Optional temperature compensation
The temperature compensation pod can be tie-wrapped to the
          
mounted. Standard compensation is 15mV-18mV per degree
Celsius per cell or factory programmable upon request.
Please read the entire installation manual before installing


-
cated three state lead-acid battery charger. With a wide
-


The RTIC-1120-WP is factory programmable to accom-
       

-
mented digitally allowing accurate and noise free sensing
up to a distance of 300 feet eliminating problems associ-


are generated by an embedded microcontroller that con-


 
-

RTIC-1120-WP
Installation Manual
Optional signal connector
Outline and mounting
Chargetek
 ~ Phone: [phone] ~ Fax: [phone]

LIMITED WARRANTY


warranty must be paid by the consumer. Proof of purchase is required.
                

excluded where permitted by law.
SIGNAL DESCRIPTION
AC Fail AC < 85VAC
DC High DC > 15.5VDC
DC Low DC < 12VDC
Over Temperature Unit shutdown, automatically restart
PARAMETER DESCRIPTION / CONDITIONS MIN NOM MAX UNITS
VFSTERM Fast charge voltage, 25C 14.4 14.5 14.6 VDC
VFLOAT Float voltage, IOUT < 1.0 A, 25C 13.2 13.4 13.6 VDC
IFS Fast charge, VBATTERY = 12V 20 21 22 Amps
IFLTERM Float charge termination current 3.2 3.4 3.6 Amps
VAC RMS AC voltage range 90 120 132 VAC
ISBY Standby current, AC off 0.5 ma
Dimensions in inches

The RTIC-1120-WP is short circuit protected. Batteries are
a high current source and additional protection is needed
           





it.


          






clean and tight. See installation diagrams below.

that the amount of charge and discharge be equal for both

         



series.
Safety instructions
CAUTION: The following are important safety instructions.
Save these instructions.

cell” rechargeable batteries. Other types of batteries may
burst causing personal injury or damage.
           
battery.


battery.







and get immediate medical attention.
         
       



or replacement is required. Incorrect reassembly may result

      

used. Only adults should install and operate the charger.

children.

quality grounded extension cord of at least 16 awg wire size
for cords up to 50 feet and a minimum of 14 awg for cords
up to 150 feet.
    
grasp the plug when disconnecting the charger.
The RTIC-1120-WP is waterproof and designed for harsh

consult the factory if there are any questions.


factory.
Study the battery manufacturer’s precautions such as

Keep batteries full. Add distilled water in each cell until it


Good battery maintenance procedures dictate that the battery

ambient temperatures.
Keep the battery terminals clean. Always unplug the charger
before cleaning. Keep corrosion from coming into contact
with your eyes.
       
       
battery. A lead-acid battery can produce a short circuit high

Three stage charging curve
Three stage charge cycle
The RTIC-1120-WP employs a three stage charge routine. This
is the charging procedure most lead-acid battery manufactur-
        
battery life.
Stage 1: Constant current or bulk charge mode

charger is operating in constant current mode. The charger

is allowed to rise as it is being recharged. Approximately 80%
of battery capacity is returned in the constant current region.
Stage 2: Absorption mode





is fully charged.
Stage 3: Float mode



charge condition of the battery without boiling out electrolyte or

lights on the RTIC-1120-WP should be green.
Installation
Location
           



as fan wheels.
Operating temperature is -10°C to 55°C (-14°F to 131°F).
Storage temperature is -30°C to 80°C (-22°F to 176°F).


-
rimeter and top side of the charger.


Mounting

drilling mounting holes near a battery.


Electrical
AC wire connections
The RTIC-1120-WP is equipped with a factory installed 6 foot
AC cord with a ground connection. The ground connection
is the round pin on the AC plug. It is extremely important
that only grounded electrical outlets or extension cords
with a ground connection should be used when operating
this charger.

are wet or barefoot.


necessary.


with this unit.
DC wire connections
DC wire connections must be made before plugging in the
AC cord.
The charger should only be used with lead-acid type batteries



in.
When installing in the bilge of boats or any battery

         

health and safety.
Keep wire routing from the charger to the battery neat and


       
parts and hot surfaces such as exhaust components.
Battery
voltage
Stage 1: Bulk
(constant current)
Stage 2: Absorption
(constant voltage)

current decreasing
Battery
current
Absorption

full charge maintained
Stage 3: Float
(constant voltage)
Float
Bulk
Two 6V battery connection
One 12V battery connection