
GLC 4400
Multi-Purpose Controller for Automatic Lubrication Systems
Programmed lubrication cycles for optimal machine performance 
Customize your lubrication time, pressure, cycle counts and machine counts for maximum • 
precision and productivity
Simple icon- and menu-based user interface is easy to setup and operate, saving valuable • 
technician time
Special operation modes save setup and inspection time• 
Rugged and weatherproof, meeting stringent IP 69K protection requirements• 
Works with single line resistive, single line parallel, series progressive and dual line systems• 
 

Streamlined–one controller 
does it all!
Match up and customize the inputs/outputs 
for maximum flexibility and functionality.
Inputs Include:
Pressure/Cycle Switch 
Machine Count Switch 
Reservoir Level Indication Switch 
Remote Manual Run Switch
Outputs Include:
Ordering Information
Pump Control Signal 
Low Level Alarm Signal 
Pressure/Cycle Alarm Signal 
System OK Signal
Easily Manage Your Automatic 
Lubrication System
Loaded with features and simple to operate. A must-have controller for 
ensuring critical machine lubrication.
Lubrication Indicator
Confirms lubrication cycle status
System Power LED 
On/off status at a glance 
Pressure/Cycle Input
Indicates input from system sensors
Alarm
System fault alerts
Contact us today!
To receive product information or 
to speak with a Graco representative, 
call 800-533-9655 or visit us online 
at www.graco.com.
©2009 Graco Inc. 340391 Rev. A 05/09 All other brand names or marks are used 
for identification purposes and are trademarks of their respective owners. All written 
and visual data contained in this document are based on the latest product information 
available at the time of publication. Graco reserves the right to make changes at any 
time without notice.
Multi-functional Buttons
For easy programming and 
system operation
Simple Navigation
Arrow buttons for easy navigation 
of intuitive menus
Backlit and Heated LCD Display
Adjustable brightness and contrast for sunny 
or dark conditions, plus the heated display 
allows for use in cold weather
TECHNICAL SPECIFICATIONS
Height 4.7 in (120 mm)
Width 4.8 in (122 mm)
Depth 3.6 in (91 mm)
Protection Grade IP 69K
Operating Temperature -40º F to 145º F (-40º C to 63º C)
Net Weight 2 lbs (0.9 kg)
Standards CE Marked and applicable automotive requirements
Manual 313855
ORDERING INFORMATION
GLC 4400
Part Number
Input Voltage
Frequency
VAC VDC
24B596
100-240 VAC
50/60 Hz
24B591
9-30 VDC
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