Graco Uni-Drum Instructions Manual page 19

Junction Box Panel (H)
See F . 6 on page 16.
IG
The Junction Box Panel (H) includes the following
system components. For additional information, refer to
the Electrical Diagram on page 91.
• SYSTEM PRESSURIZED Light is lit when air
pressure is supplied to the system; the light is
extinguished when the air supply is depressurized.
This occurs after the PUMP ON Pushbutton has
been pushed and the Pumps turned on.
• PUMP ACTIVE Light is lit when the air supply is
turned on to the Pumps; the light is extinguished
when the Pumps are inactive, thus turned off. This
is activated by the PUMP ON Pushbutton.
• AIR PRESS ON Light is lit when air pressure to the
system is turned on; the light is extinguished when
air pressure to the system is shutoff.
• RAM READY Light is lit when the drum is in
position; the light is extinguished when the drum is
not in position.
• PUMP READY Light is lit when the Pumps are
primed and ready for operation; the light is
extinguished when the Pumps are not ready for
operation.
• PRIME PUMP Pushbutton turns on the Pumps, for
priming. When the Pumps are primed, the PUMP
READY Light turns on. The switch is not used when
the PUMP READY Light is lit. The PUMP ACTIVE
Light will blink.
• PUMP RESET Pushbutton resets the Pumps to an
active state. When the Pumps are reset, the PUMP
ACTIVE Light turns off. The switch is not used when
the PUMP ACTIVE Light is lit. The PUMP READY
Light is on.
• PUMP ON Pushbutton turns the Pumps on and off.
When the Pumps are turned on, the PUMP ACTIVE
Light also turns on. When the Pumps are turned off,
the PUMP ACTIVE Light also turns off.
• BULK SUPPLY DEPRESSURIZATION Pushbutton
opens the depressurization valve to lower the fluid
pressure.
• LOCAL REMOTE Switch puts the system into or out
of automatic operation.
309028ZAT
Component Identification
19