Graco 571169 Manual de usuario
Instructions
Direct Mount Vent
Valve for G3 Pumps
Used to reduce system pressure and allow injector to reset. For professional use only.
Part No. Right Side Mount Models:
12 VDC, NPT - 571169, 24M478; 24 VDC, NPT - 571170, 24M479, 25C652
12 VDC, BSPP - 571171, 24M481; 24 VDC, BSPP - 571172, 24M482
Models
115 VAC, NPT - 24M480
115 VAC, BSPP - 24M483
230 VAC, NPT - 24N182
230 VAC, BSPP - 24M484
Part No. Left Side Mount Models:
230 VAC, NPT - 24T178
24 VDC, NPT - 25A211
Maximum Working Pressure: 3500 psi (241 bar, 24
MPa)
Important Safety Instructions
Read all warnings and instructions in this
manual and the G3 Pump instruction manual
included with your unit. Save these instructions.
3A1963G
EN
Instructions
23A1963G
Instructions
Warnings
Also see the G3 Pump Instruction manual for additional
warnings.
Pressure Relief Valves
The pressure relief valve
uses a pressure adjustment
screw (a) to set the pres-
sure release point. It is not
intended as a way to
relieve pressure during
normal operation but as a
protective measure in the
event there is an unin-
tended pressure increase in
the system.
NOTE:
•Do not use this pressure relief valve as a means
of relieving pressure in day-to-day, normal cycle
operation. Use the pressure relief procedure
described on page 3 of this manual to relieve
pressure during normal cycle operation.
•The pressure relief valve included in this kit can
only be used with the Graco G3 Pump. It is not
intended for use with any other products.
•Factory set to 4000 psi (275.8 bar, 27.6 MPa).
The pressure adjustment screw (a) will require periodic
adjustments. Whenever the valve is set/adjusted (after
the set point is found) it is important to ensure that the
valve is not bottomed out and there is at least 1/2 turn of
adjustment remaining. This is determined by turning the
screw (a) 1/2 turn and then back turning it out again.
NOTE: Turning adjustment screw (a) clockwise,
increases pressure.
ELECTRIC SHOCK HAZARD
This equipment must be grounded.Improper grounding,
setup, or usage of the system can cause electric shock.
• Turn off and disconnect power cord before servicing
equipment.
• Connect only to grounded electrical outlets.
• Use only 3-wire extension cords.
• Ensure ground prongs are intact on power and
extension cords.
• Do not expose to rain. Store indoors
SKIN INJECTION HAZARD
High-pressure fluid from dispense device, hose leaks, or
ruptured components will pierce skin. This may look like
just a cut, but it is a serious injury that can result in
amputation. Get immediate surgical treatment.
Follow Pressure Relief Procedure in this manual,
when you stop dispensing and before cleaning, check-
ing, or servicing equipment.
a
locking
nut
Instructions
3A1963G 3
Installation
Pressure Relief
Relieve pressure in system by using two wrenches
working in opposite directions on pump element and
pump element fitting to only loosen fitting.
NOTE: When loosening pump element fitting, do NOT
loosen pump element. Loosening pump element will
change the output volume.
Vent Valve Installation
Reference numbers used in these instructions corre-
spond to parts included in Kit and are provided on page
6. Parts identified with an alpha character are user pro-
vided or already installed components.
1. Disconnect power source.
2. If unit has already been in service, relieve pres-
sure.
3. Be sure the two o-rings (8, 9) are correctly installed
on the bolt (7) as shown in FIG. 2.
4. Remove plug from G3 and install vent valve align-
ment bolt (7) in it’s place as shown in FIG. 3. Torque
to 30 in. lbs. (0.2 N.m).
FIG. 1
ti14711
FIG. 2
FIG. 3
9
8
7
ti17729
7
ti17732
Instructions
43A1963G
5. Grease o-ring (6) and install in block opening (1a)
as shown in FIG. 4.
6. Be sure o-ring (5) is installed on bolt (4) as shown in
FIG. 5.
7. Install vent valve mounting bolt (4) through hole (1b)
in block (1) and into G3 pump (FIG. 5). Tighten
mounting bolt (4) securely then torque to 35 ft. lbs.
(47.45 N.m).
NOTE: System connection is made through primary
outlet (4a).
8. Plug (10) can be removed to install a pressure
gauge or to use this port as an outlet.
Step 9 applies to models 571169, 571170, 571171,
571172 only. All other models skip this step and
continue instructions with Step 10.
9. Connect end of cable (13) to the G3 (FIG. 7).
NOTE: To verify the correct port on the G3 is
selected, locate the symbol shown in FIG. 7 on the
G3 label.
FIG. 4:
FIG. 5: Right Side Installation Shown
6
1a
ti17733
4
1
1b
7
4a
5
FIG. 6
FIG. 7
10
ti17730
13
Vent Valve
Symbol
ti15593
Instructions
3A1963G 5
10. Connect cable connector (13) to solenoid valve (a)
(FIG. 8).
11. For G3 Max models only, see the G3 Pump instruc-
tion manual for Vent Valve Timer Setup instructions.
NOTE: For all other externally controlled G3 pump
models, see your separate controller instructions.
Parts
Right Side Installation Shown
Left Side Installation Shown (Ref. 13 not shown)
FIG. 8
13
a
ti17731
6
5
4
7
1
9
8
10
13
3
6
5
4
7
19
8
10
3
Parts
63A1963G
Parts
Graco Part No. 24N402 (Cable, 6 ft, vent valve, 2 pin) is available for use with this pump model.
† Graco Part No. 123358 (Cable, DIN, bar lead, power 15 ft.) is available for use with this pump model.
Quantity used with G3 Max Pump Quantity Used with G3 No Control and Pro Pump
Ref. Description
571169
571170
571171
571172
25A211
24M478
24M479
24M480
24N182
24M481
24M482
24M483
24M484
24T178
25C652
1
MANIFOLD, vent
valve, 12 VDC,
N.C. DEU, NPT
1
MANIFOLD, vent
valve, 24 VDC,
N.C. DEU, NPT
1
MANIFOLD, vent
valve, 12 VDC,
N.C. DEU, BSPP
1
MANIFOLD, vent
valve, 24 VDC,
N.C. DEU, BSPP
1
MANIFOLD, vent
valve, 12 VDC,
N.O. DEU, NPT
1
MANIFOLD, vent
valve, 24 VDC,
N.O. DEU, NPT
11
MANIFOLD, vent
valve, 115 VAC,
N.O. DIN NPT
1
MANIFOLD, vent
valve, 230 VAC,
N.O. DIN NPT
11
MANIFOLD, vent
valve, 24 VDC,
N.O. DIN, NPT
1
MANIFOLD, vent
valve, 12 VDC,
N.O. DEU, BSPP
1
MANIFOLD, vent
valve, 24 VDC,
N.O. DEU, BSPP
1
MANIFOLD, vent
valve, 115 VAC,
N.O. DIN, BSPP
1
MANIFOLD, vent
valve, 230 VAC,
N.O. DIN, BSPP
1
3VALVE, pressure
relief 1 1 1 1 1 111111111
4
BOLT, vent valve,
NPT 11 11111 11
BOLT, vent valve
mount, BSPP 1 1 1 1111
5O-RING,908 1 1 1 1 1 1111111111
6O-RING,015 1 1 1 1 1 1111111111
7BOLT,ventvalve1 1 1 1 1 1111111111
8O-RING,012 1 1 1 1 1 1111111111
9O-RING,014 1 1 1 1 1 1111111111
10PLUG,1/4,hexhd1 1 1 1 1 1111111111
13 CABLE, 6 ft, 2 pin 1 1 1 1 1 †† ††††
14 CABLE, 19”, 2 pin 1
Technical Data
3A1963G 7
Technical Data
.
* AC service coils are internally rectified and can be used in 50 or 60 Cycle (Hz) lines.
NOTE: AC voltage service with transient surges over 1000 volts may require a varistor to be placed in parallel with
the coil.
NOTE: Normally open versions of the vent valve are not recommended for use with oil and a pump that outputs less
than 1.5 cu. in./min.
DIRECT MOUNT VENT VALVE FOR G3 PUMPS
US Metric
Maximum working pressure 3500 psi 24 MPa, 241 bar
Pressure Relief Valve
Factory Set Pressure 4000 psi + 10% 27.6 MPa, 275.8 bar + 10%
Reset Pressure 80% of pressure
Relief Rate 0.13 gallons/sec @3000 psi 0.57 liters/sec @21 MPa. 207 bar
Solenoid Valve
Flow Up to 5 gpm (18.9 lpm)
Materials of Construction
Wetted materials on all models zinc plated steel, carbon steel, 6061 T6 aluminum, fluoroelastomer,
polyurethane
Weight 37.72 oz. 1069.5 grams
Solenoid Coil Resistance (DC) @ 68°F (20°C )
(Ohms)
Initial Current Draw (Amps)
12 Volt DC 7.2 1.67
24 Volt DC 28.8 0.83
115 AC* 568 0.17
230 AC* 2304 0.09
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
For patent information, see www.graco.com/patents.
Original instructions. This manual contains English. MM 3A1963
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2011, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
www.graco.com
Revision G, November 2020
Este manual sirve para los siguientes modelos
8
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