Midtronics GR1 240 User Manual

11
GR-1 OPERATING STEPS
IMPORTANT NOTES:
 Clean the battery terminals. If stud adapters are required, fasten them with the proper tool. Do not
use the battery clamps to tighten adapters.
 Use stud adapters on Side-Post and/or Truck batteries that are not in the vehicle.
 Never remove the clamps from a battery to abort an active charging session. Always use the
STOP button before removing the clamps.
 Do not leave clamps lying in battery acid.
 Attach clamps to clamp-holder bar when the GR-1 is not in use.
 Clean up any acid spills immediately (e.g., with baking soda and water).
 Clamps must be cleaned after every use.
1. CONNECT GR-1 TO BATTERY
Connect the GR-1 charging clamps to the battery in accordance with all precautions and safety instructions.
2. CONNECT TO AC POWER
Plug the GR-1 into a dedicated, grounded 16 Amp AC outlet.
Do not use an AC line cord adapter or extension cord.
Toggle the power switch to the I (ON) position.
The user will be informed if any side of the GR-1 clamp is not
making good contact.
If you accidentally reverse the clamp connections, the GR-1 will
indicate this with a message and an audible alarm. Toggle the
power switch to the O position and return to GR-1 Operating Steps (1)
3. SELECT GR-1 MODES
Use the UP/DOWN buttons to select the mode:
Diagnostic Fast Charge, Manual Charge or Jump Start Vehicle.
Press the ENTER button to continue.
DIAGNOSTIC FAST CHARGE (12 V)
If Diagnostic Fast Charge is selected use the UP/DOWN
buttons to select the location of the battery: In Vehicle or
Out of Vehicle.
Press the ENTER button to continue.
If the selected location for the battery was Out of Vehicle, go to GR-1 Operating Steps (4)
If the selected Battery Location was In Vehicle, use the
UP/DOWN buttons to select the location for connecting the
clamp: At Battery Post, At Jumper Post, or At Side Post.
Press the ENTER button to continue. Go to GR-1 Operating Steps (4)
MANUAL CHARGE (12 and 24 V)
If the selected Mode was Manual Charge, go to GR-1 Operating Steps (4)
JUMP START VEHICLE
If the selected Mode was Jump Start Vehicle, see GR-1 Functions (3)
4. SELECT TYPE
Use the UP/DOWN buttons to select the battery type:
Lead Acid Battery(12V or 24V), AGM/Spiral Battery(12V),
GEL Battery(12V) or Truck (12V).
Press the ENTER button to continue.
GR-1 240 BMC V1.00
© Midtronics, Inc.2002
Check Clamp Connections
Charger Clamps Reversed
Select Mode 
Diagnostic Fast Charge 
Battery Location 
In Vehicle 
Clamp Location 
At Battery Post 
Select Type 
Lead Acid Battery (12V) 

Midtronics GR1 240 Specifications

General

Brand	Midtronics
Model	GR1 240
Category	Battery Charger
Language	English