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Installation
Refilling Line Requirements
To relieve the stall pressure in the refilling line a pres-
sure relief valve (U) (F
IG
. 3, page 7) must be installed in the system.
(F
IG
Systems without Fill Valve
A pressure relief valve (U) and overflow container (N) for
collecting excess fluid that drains during pressure relief,
must be installed in an easily accessible location
between the remote filling station pump (P) and the
Auto-Fill Shut Off (S). This pressure relief valve is used
to relieve pressure in the refilling line and to reset the
Auto-Fill Shut Off. See Typical Installation, page 5.
A Pressure Relief Kit: 247902 is available from Graco.
Contact your distributor or Graco Customer Service for
additional information about this kit.
Systems with Fill Valve (Z)
Install the fill valve (Z) in an easily accessible location
between the remote fill station pump (P) and Auto-Fill
Shut Off Valve (S). See Typical Installation, page 7.
The fill valve is used to relieve pressure in the refilling
line and to reset the Auto-Fill Shut Off. See the Fill Valve
instruction manual 333393. Graco fill valve, part no.
77X542 is available. Contact your local Graco distribu-
tor.
Refilling Pump (P) Requirements
The remote filling station pump stalls (dead-heads)
when the reservoir is full, causing the supply system
pressure to rise to the maximum output pressure
of the filling station pump. To help prevent equipment
damage or serious injury caused by pressurized
fluid, such as skin injection or injury from splashing
fluid, always use a remote filling station pump with a
maximum output pressure of 5000 psi (34 MPa,
344.7 bar) and use a refill line with a pressure rating
equal to or greater than the refill pump.
14
. 1, page 5) or a fill valve (Z)
Low Level Sensor (T)
When grease is present the LED is green. When the
lubricant level in the reservoir reaches approximately
30% (low level), the LED turns to an amber color. (See
F
. 11 and the Table below).
IG
LED
Condition
COLOR
Green
Grease Present
No Grease
Amber
Present
NOTE:
•
At 30% capacity, the amber low level signals the
tank is reaching a point where the operator should
refill the tank. There is still lubricant in the tank and
immediate shutdown is not required.
•
If your are using a GLC2200 (part number 24N468,
Series F or later only), the system will enter a low
level warning condition (LL03) after the switch input
is closed for more than 1 second. The pump contin-
ues to operate.
F
. 11
IG
Keep the sensor protective cover (11b, page 19)
installed to prevent sensor damage.
Low Level Sensor Wiring instructions begin on page 15.
NOTE: Graco GLC2200 (part number 24N468, Series F
or later only) can be used to run the pump and monitor
the low level. Refer to F
IG
ing in systems controlled with a GLC2200. A Low Level
Sensor cable (part number 129072) and a GLC2200
Wiring Harness (part number 24P314) are required.
Out 2 (Pin #2)
(See F
. 13, page 15)
IG
0 VDC
24 VDC
LED Light
Cover
. 13 for Low Level Sensor wir-
3A3956D
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