Graco 332291C Manual De Usuario

The G3 Pump can be controlled using an external, user 
supplied, power source and controller. 

Refer to the Typical Installation diagrams provided on 
page 8 for correct location of the required pump ground 
wire and fuses.

•

When using an external power source and control-
ler, Pump ON (Run) Time should be set for no lon-
ger than 30 minutes. 

•

In most cases, Pump OFF (Rest) Time should be 
twice as long as Pump ON (Run) time. If alternative 
ON / OFF times are required, contact Graco Cus-
tomer Service for assistance.

Some G3 pumps without controllers include a Low Level 
Output Option. It can be configured with an M12 con-
nector in code location “G” or with a DIN connector in 
code location “K”. (See Understanding the Model Num-
ber, page 4.)The low level signal is monitored across 
PINS 3 and 4. For PIN 3 and 4 locations and wiring 
information the Low Level Outputs diagram, page 15.

NOTE: A low level warning is triggered when the con-
troller detects PINS 3 and 4 have momentarily closed.

When the grease level has reached a low warning level, 
PINS 3 and 4 momentarily close (1 time per paddle rev-
olution) sending the signal that the fluid has reached a 
low level to the controller.

To ensure that a low level condition has been met, 3 or 
more low level triggers must be detected within 1 minute 
or less.

See F

IG

. 20 for an illustration of a typical Low Level Out-

put response to low grease level.

200 ms

Open

Closed

3 s