Graco 313296J User Manual
Instructions - Parts
Warm Melt Supply
313296J
Systems
For use with heated bulk supply of medium to high viscosity sealant and adhesive
materials. Not for use in hazardous locations. Intended for indoor use only.
D60 3 inch dual post
60 liter (16 gallon), 30 liter (8 gallon), and
20 liter (5 gallon) sizes
150 psi (1.0 MPa, 10 bar) Maximum Air Inlet Pressure
D200 3 inch dual post
200 liter (55 gallon)
150 psi (1.0 MPa, 10 bar) Maximum Air Inlet Pressure
EN
D200S 6.5 inch dual post
200 liter (55 gallon)
125 psi (0.9 MPa, 9 bar) Maximum Air Inlet Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 4 for model information.
The Graco Control Architecture Electric Components
are listed in Intertek’s Directory of Listed Products.
D200s (WM2179) Shown
Contents
Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Heat Control Zone Selection . . . . . . . . . . . . . . . . . . . . . 7
Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . 8
Single Supply Systems . . . . . . . . . . . . . . . . . . . . . . . . . 8
Tandem Supply Systems . . . . . . . . . . . . . . . . . . . . . . .9
Integrated Air Controls . . . . . . . . . . . . . . . . . . . . . . . . 10
Air Line Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2-Button Interlock Air Controls . . . . . . . . . . . . . . . . . . 11
Communications Gateway Module . . . . . . . . . . . . . . . 11
Fluid Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . 12
User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Location Requirements . . . . . . . . . . . . . . . . . . . . . . . . 17
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Connect Power Source . . . . . . . . . . . . . . . . . . . . . . . . 18
Install/Adjust Drum Low or Empty Sensor . . . . . . . . . 19
Light Tower Accessory . . . . . . . . . . . . . . . . . . . . . . . . 19
Attach Drum Stops . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Check Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Hose Installation and Care . . . . . . . . . . . . . . . . . . . . . 23
Overview of Temperature Control Settings . . . . . . . . . 23
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Purge System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Set Values on Display Module . . . . . . . . . . . . . . . . . . 24
Load Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
System Heat Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Prime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . . . 28
Trigger Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Start and Adjust Ram . . . . . . . . . . . . . . . . . . . . . . . . . 28
Start and Adjust Pump . . . . . . . . . . . . . . . . . . . . . . . . 28
Automatic Crossover . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Manual Crossover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Recirculate Function . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Depressurize Function . . . . . . . . . . . . . . . . . . . . . . . . 30
Change Drums . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Replace Throat Seals . . . . . . . . . . . . . . . . . . . . . . . . . 32
Platen Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Electrical Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Pump Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Diagnose Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Clear Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Alarm Codes and Troubleshooting . . . . . . . . . . . . . . . 36
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Air Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Displacement Pump . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Disconnect Pump from Platen . . . . . . . . . . . . . . . . . . 50
Connect Pump to Platen . . . . . . . . . . . . . . . . . . . . . . . 51
Replace Pump Heaters . . . . . . . . . . . . . . . . . . . . . . . 51
Replace Platen Heaters and Sensor . . . . . . . . . . . . . 52
Replace Platen Wipers . . . . . . . . . . . . . . . . . . . . . . . . 54
Replace Ram Piston Rod Seals . . . . . . . . . . . . . . . . . 54
Electrical Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Display/User Interface . . . . . . . . . . . . . . . . . . . . . . . . 58
Replace Fluid Control Module . . . . . . . . . . . . . . . . . . 59
Replace Cable Track . . . . . . . . . . . . . . . . . . . . . . . . . 60
Electrical Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Ram A Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
D200 Single Ram Schematic . . . . . . . . . . . . . . . . . . . 61
D200 Ram A Schematic . . . . . . . . . . . . . . . . . . . . . . . 62
D200 Ram B Schematic . . . . . . . . . . . . . . . . . . . . . . . 63
D200 Displacement Pump and Platen Schematics . . 64
D200 Junction Box Schematic . . . . . . . . . . . . . . . . . . 65
D200 Cable Track Schematic . . . . . . . . . . . . . . . . . . . 66
D60 Single Ram Schematic . . . . . . . . . . . . . . . . . . . . 67
D60 Ram A Schematic . . . . . . . . . . . . . . . . . . . . . . . . 68
D60 Ram B Schematic . . . . . . . . . . . . . . . . . . . . . . . . 69
D60 Pump and Platen Schematic . . . . . . . . . . . . . . . . 70
D60 Junction Box Schematic . . . . . . . . . . . . . . . . . . . 71
D60 Cable Harness Schematic . . . . . . . . . . . . . . . . . 72
Electrical Enclosure Schematic . . . . . . . . . . . . . . . . . 73
Electrical Enclosure Schematic . . . . . . . . . . . . . . . . . 74
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Warm Melt Kits for D200 Systems . . . . . . . . . . . . . . . 78
Warm Melt Kits for D60 Systems . . . . . . . . . . . . . . . . 83
Electrical Enclosure Parts . . . . . . . . . . . . . . . . . . . . . . 90
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Appendix A - User Interface Display . . . . . . . . . . . . . . . 93
Display Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Display Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Setup Mode Screens . . . . . . . . . . . . . . . . . . . . . . . . . 95
Run Mode Screens . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
D200 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
D60 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . . . . . 108
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
2 313296J
Related Manuals
Manuals are available at www.graco.com.
Component Manuals in U.S. English:
Manual Description
313528 Tandem Supply Systems Operation
313529 Tandem Supply Systems Repair-Parts
313526 Supply Systems Operation
313527 Supply Systems Repair-Parts
Check-Mate
312375
Instructions-Parts
Check-Mate
312376
312468
311238 NXT
Instruction-Parts
200 cc Check-Mate Displacement Pump
Repair Parts
™
312374 Air Controls Instructions-Parts
3A0099
3A0100
Two-Zone Enclosure Expansion Kit
Instructions-Parts
Two-Zone and Four-Zone Enclosure
Accessory Kits Instructions-Parts
3A0135 Bracket Mounting Kits Parts
®
Displacement Pumps
®
Pump Packages
Air Motor Instructions-Parts
Related Manuals
312491 Pump Fluid Purge Kit Instructions
312492 Drum Roller Kit Instructions
312493 Light Tower Kit Instructions
309160 Heated Hose Instructions-Parts
312396
Hotmelt/Warm Melt Heated Fluid Regulator Instructions-Parts
307517 Mastic Fluid Regulator Instructions-Parts
309133
309181
311209
310538
309376
312864
Pressure Compensating Valve
Instructions-Parts
Heated Header and Manifold
Instructions-Parts
Hot Melt Dispense Guns
Instructions-Parts
Therm-O-Flow
®
Automatic Dispense
Valves Instructions-Parts
™
EnDure
Automatic Dispense Valves
Instructions-Parts
Communications Gateway Module
Instructions-Parts
Supply System Communications Gate-
313138
way Module Installation Kit Instructions-Parts
406681 Platen Cover Kit Instructions
313296J 3
Models
Models
Check the identification plate (ID) for the 6-digit part number of your warm melt
supply system. Use the following matrix to define the construction of your system,
based on the six digits. For example, Part No. WM2979 represents a Warm Melt
supply system (WM), a carbon steel Check-Mate 200 Severe Duty
pump with an NXT 3400 air motor (pump code 29), a 6.5 in. dual post ram with
integrated air controls (7) and a 55-gallon, uncoated platen with an EPDM seal
(9).
NOTE: Some configurations in the following matrix cannot be built. See the
Product Selection guide for available systems.
®
displacement
ID
To order replacement parts, see Parts section in this manual and in manual
313527. The digits in the matrix do not correspond to the Ref. Nos. in the Parts
drawings and lists.
WM 29 7
First and
Second Digit
WM
(Warm Melt
Single Supply
System)
TW
(Warm Melt
Tandem
Supply
System)
Third and
Fourth Digit Fifth Digit
Ram Options
DataTra
Pump Code
Size Style
k
Voltage Air Controls
4 3 in. D60 no volt INT
5 3 in. D200 no volt INT
6 3 in D200i no volt
(See Table 1
for 2-digit
Pump Code)
7 6.5 in. D200s no volt INT
8 6.5 in. D200si no volt
Y 3 in. D60i no volt
2-Button
Interlock
2-Button
Interlock
2-Button
Interlock
F
H
L
R
U
Y
8
9
TI11157A
9
Sixth Digit
Platen and Seal Options
Platen
Size
20 L
(5 Gal) F, SW SST
20 L
(5 Gal) F, DW CS
30 L
(8 Gal) F, SW SST
30 L
(8 Gal) F, DW CS
60 L
(16 Gal) F, SW SST
60 L
(16 Gal) F, DW CS
200 L
(55 Gal) DR
200 L
(55 Gal) DR AL EPDM
Platen
Style
Platen
Material
PTFE
coated
AL EPDM
Seal
Material
PTFE
coated
Polyure-
thane
PTFE
coated
Polyure-
thane
PTFE
coated
Polyure-
thane
Key:
D = Dual post ram
i = 2-Button interlock
s = 6.5 in. ram
INT = Integrated air controls
F = Flat
SW = Single wiper
DW = Dual wiper
DR = Dual o-ring
4 313296J
Table 1: Check-Mate Pump Identification Code/Part
Pump
Code
NXT 2200/CM 200 NXT 6500/CM 200
NXT 3400/CM 200
Pump Part No. (see
manual 312376)
21 P23LCS 2L P68LCS
22 P23LCM 2M P68LCM
26 P23LSM 2U P68LSM
29 P36LCS
2A P36LCM
2G P36LSM
Pump
Code
Pump Part No. (see
manual 312376)
Warnings
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back
to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where
applicable.
WARNING
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 at main switch before disconnecting any cables and before servicing
equipment.
• Connect only to grounded power source.
• All electrical wiring must be done by a qualified electrician and comply with all local codes and
regulations.
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent
fire and explosion:
• Use equipment only in well ventilated area.
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop
cloths (potential static arc).
• Keep work area free of debris, including solvent, rags and gasoline.
• Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes
are present.
• Ground all equipment in the work area.
• Use only grounded hoses.
• Hold gun firmly to side of grounded pail when triggering into pail.
• If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment
until you identify and correct the problem.
• Keep a working fire extinguisher in the work area.
BURN HAZARD
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe
burns:
• Do not touch hot fluid or equipment.
• Wait until equipment/fluid has cooled completely.
SKIN INJECTION HAZARD
High-pressure fluid from gun, 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.
• Do not point gun at anyone or at any part of the body.
• Do not put your hand over the dispense outlet.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
•Follow Pressure Relief Procedure in this manual, when you stop dispensing and before cleaning,
checking, or servicing equipment.
313296J 5
Warnings
WARNING
MOVING PARTS HAZARD
Moving parts can pinch or amputate fingers and other body parts.
• Keep clear of moving parts.
• Do not operate equipment with protective guards or covers removed.
• Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,
follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.
SPLATTER HAZARD
Hot or toxic fluid can cause serious injury if splashed in the eyes or on skin. During blow off of platen,
splatter may occur.
• Use minimum air pressure when removing platen from drum.
TOXIC FLUID OR FUMES HAZARD
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or
swallowed.
• Read MSDS’s to know the specific hazards of the fluids you are using.
• Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.
• Always wear impervious gloves when spraying or cleaning equipment.
• If this equipment is used with isocyanate material, see additional information on isocyanates in Isocyanate Conditions Section of this manual.
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated system
component. See Technical Data in all equipment manuals.
• Do not leave the work area while equipment is energized or under pressure. Turn off all equipment
and follow the Pressure Relief Procedure in this manual when equipment is not in use.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufacturer’s replacement parts only.
• Do not alter or modify equipment.
• Use equipment only for its intended purpose. Call your distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
• Keep children and animals away from work area.
• Comply with all applicable safety regulations.
PERSONAL PROTECTIVE EQUIPMENT
You must wear appropriate protective equipment when operating, servicing, or when in the operating
area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic
fumes, burns, and hearing loss. This equipment includes but is not limited to:
• Protective eyewear
• Clothing and respirator as recommended by the fluid and solvent manufacturer
•Gloves
• Hearing protection
6 313296J
Overview
Overview
System Description
Warm melt supply systems are used for melting and
pumping warm melt adhesives and high viscosity sealants.
The system consists of an air-powered ram that drives a
Check-Mate pump and a heated platen into a drum of
material. The heated platen heats the material and the
pump removes it from the drum. The material is then
pushed through a supply hose to the applicator.
All features of the warm melt supply system are controlled by Graco Control Architecture components: Fluid
Control Module (FCM), Temperature Control Modules
(TCM), and the display module. The FCM controls the
motor and pump, and the TCMs control the heaters. The
display module provides the user interface for the entire
warm melt supply system.
Power Requirements
A 30A (minimum) - 60A (maximum) circuit breaker (not
provided) must be installed on the incoming power supply. See Table 1, and Technical Data, page 106, for
more information regarding electrical requirements.
Table 1: Electrical Requirements
AC Panel
Voltage HZ Phase
240 50/60 1 57.0
Full Load
Amps
Heat Control Zone Selection
Warm melt supply systems have four heat zones (see
F
IG
. 1).
• Zones 1 and 2 are always used for the heated
platen and the heated pump respectively.
• Zones 3 and 4 are used for the heated hose and
valve. These zones are rated for 1920 watts at 240
volts.
Heated hoses have a 16-pin connector on the inlet end
cable, and an 8-pin connector on the outlet end cable.
All heated valves, manifolds, and heaters are equipped
with an 8-pin matching connector. Accessory cables are
available for other possible combinations.
ZONE 1
Control
Platen
FIG. 1: Heat Control Zone Selection
ZONE 2
Control
Pump
Valve 1
ZONE 3
Control
1920 Watts max
Hose 1
ZONE 4
Control
1920 Watts max
313296J 7
Component Identification
Component Identification
Single Supply Systems
D200s Ram Shown
AF
S
Lift Locations
NOTE: Do not
use air motor lift
ring (S) to lift
entire system.
V
AD
C
H
AE
G
J
K
A
U
D
X
Z
E
T
FIG. 2: Single Supply System
Key:
ARam Assembly
C Air Motor
D Heated Check-Mate Displacement Pump
E Heated Platen
G Display Module
H Electrical Enclosure
IG
J Integrated Air Controls (see F
K Fluid Control Module (inside shroud)
S Lift Ring (air motor)
T Platen Bleed Port
U Pump Outlet
8 313296J
. 4)
V Platen Lift Rod
XWet Cup
Z Main Air Line (not supplied)
AD Air Motor Solenoid
AE Junction Box
AF Cable Track
Tandem Supply Systems
D200s Rams Shown
Component Identification
Supply System A
A
H
AF
G
AD
F
Supply System B
B
N
S
V
J
C
K
AE
To heated
X
manifold
(243697)
Z
U
D
E
FIG. 3: Tandem Supply System
Key:
ARam A
BRam B
C Air Motor
D Heated Check-Mate Displacement Pump (Ram A and B)
E Heated Platen (Ram A and B)
F Drum Empty Sensor (partially hidden; Ram A and B)
G Display Module (Ram A only)
H Electrical Enclosure (Ram A and B)
J Integrated Air Controls (Ram A and B); see page 10
K Fluid Control Module (inside shroud, Ram A and B)
N CAN Communication Cable
S Lift Ring (Air Motor)
T Platen Bleed Port
U Pump Outlet
V Platen Lift Rod
r_wm2179_313269_4a
XWet Cup
Z Main Air Line (not supplied)
AD Air Motor Solenoid (Ram A and B)
AE Junction Box (Ram A and B)
AF Cable Track (Ram A and B)
313296J 9
Component Identification
NOTE:
See F
IG
. 2 and FIG. 3. Before you install the system,
you should be familiar with the following components.
Reference numbers and letters in parentheses in the
text refer to the callouts in the figures.
Both rams (A and B) include a Check-Mate Pump (D),
platen (E), integrated air controls (J), drum empty sensor (F), and fluid control module (K).
Only Ram A includes the display module (G).
• Drum empty sensor (F). Signals drum empty condi-
tion. See F
IG
. 11, page 19.
• Display module (G). Mounted on Ram A only. Pro-
vides Run Mode status screens, Setup screens, and
control keys. See F
• Fluid control module (K). See F
• Integrated air controls (J). See F
IG
. 8, page 13.
IG
. 7, page 12.
IG
. 4.
• Air motor solenoid (AD). Solenoid is on when the
selected ram is on and in Run Mode, Recirculate
Mode, or Prime Mode. Solenoid is off when system
is shut off or when in Depressurize Mode, or the ram
is in an Inactive Ready Mode. The solenoid LED will
illuminate when the solenoid is on.
• Depressurize/recirculate fluid valve. Depressurizes
system when Depressurize Mode is active. Recirculates fluid when Recirculate Mode is active.
Integrated Air Controls
D60, D200, and D200s Models
The integrated air controls include:
• Main air slider valve (BA): turns air on and off to
the system. When closed, the valve relieves pressure downstream.
• Ram air regulator (BB): controls ram up and down
pressure and blowoff pressure.
• Ram director valve (BC): controls ram direction.
• Exhaust port with muffler (BD)
• Air motor regulator (BE): Controls air pressure to
motor.
• Air motor slider valve (BF): turns air on and off to
the air motor. When closed, the valve relieves air
trapped between it and the air motor. Push the valve
in to shutoff. The air solenoid (AD), the air motor
valve (BF), and the main air slider valve (BA) must
be open for air to flow.
• Blowoff button (BG): turns air on and off to push
the platen out of an empty drum.
BF
BE
To depressurize the system, press the Depressurize
BD
key on the display module and select
when asked if you want to depressurize the system.
Follow the Pressure Relief Procedure on page 28.
BG
BC
BB
Shutting off power or removing power from the system will not depressurize the system.
BA
ti10438a
FIG. 4. Integrated Air Controls
10 313296J
Component Identification
Air Line Accessories
See Supply Systems Operation manual.
• Air line drain valve. Not included.
• Air line filter: removes harmful dirt and moisture
from compressed air supply. Not included.
• Second bleed-type air valve isolates air line
accessories and supply system for servicing. Locate
upstream from all other air line accessories. Not
included.
• Air relief valve: automatically relieves excessive
pressure. Not included.
2-Button Interlock Air Controls
D60i, D200i, and D200si Models
Systems that have 2-Button Interlock controls have the
following additional components:
Communications Gateway Module
The Communications Gateway Module (CGM) provides
a control link between Graco Control Architecture based
systems and a selected fieldbus. This provides the
means for remote monitoring and control by external
automation systems.
Data provided by the CGM to the fieldbus depends on
which Graco Control Architecture based system and
fieldbus are connected. A data map supplied on a map
token is defined for this pairing. Once the data map has
been loaded into the CGM, it is stored internally, and the
map token is no longer required for operation.
See the Supply System Communications Gateway Module Installation Kit manual for fieldbus parameter setup
instructions and screen descriptions.
CGM Module Status LED Signals
Signal Description
• 2-Button Module: See the Air Controls manual for
information.
• Roller switch (CA): shuts off air supply when it
contacts the bracket actuator. Operator must push
and hold the activation buttons simultaneously to
resume ram movement.
Activation
Buttons
ti10843a1
F
IG
. 5: 2-Button Module
• Bracket actuator (CB): attaches to the platen lift
rod. When platen is outside of drum, actuator makes
contact with the roller switch.
CA
Green on System is powered up
Yellow Internal communication in progress
Red
Solid
*Red
(7 flashes)
* The red LED will flash a code, pause, then repeat.
See Communications Gateway Module manual
312864 for diagnostic information. Verify that you are
using the correct token for your system and reinstall
token. If fails, order new token.
CGM hardware failure
Data map load failure
Incorrect data map for fieldbus type
No data map loaded
CB
ti10846a
IG
. 6: Roller Switch and Bracket Actuator
F
313296J 11
Component Identification
Fluid Control Module
Table 2: FCM Sensor Connections
Connection Ram Sensor Description
1 Ram A and Ram B Air motor solenoid (wire labeled 3), drum low (wire labeled 1),
drum empty (wire labeled 2)
2 Ram A Light tower
3 Ram A + B Fluid depressurize/recirculate solenoid
4 not used not used
5 Ram A and Ram B Air motor reed switch, sensors
6 not used not used
7 Ram A Filter pressure at inlet and outlet
CAN communication
cable 1
CAN communication
cable 2
Ram A From Ram A FCM to display module.
Ram A and Ram B 15 ft (4.57 m) from Ram A FCM to Ram B FCM.
CAN Cable 1
FIG. 7: FCM Sensor Connections
3
4
CAN Cable 2
TI12337A
7
6
5
TI12336A
12 313296J
User Interface
FIG. 8: Display Module
Button Function
On/Off
Powers air motor solenoid ON and OFF from Ram Operation screen (F
• When ON, the air motor solenoid is ON and the pump of the active ram is pressurized.
Table 3: Display Module Button Functions
Component Identification
IG
. 71, page 100).
Cancel
Setup
Enter
Arrows Left/Right
• When OFF, the air motor solenoids are OFF.
CAUTION: Turning the air motor solenoid OFF relieves pressure from the pump motor. It does
not depressurize the fluid pressure. Follow the Pressure Relief Procedure, page 28.
NOTE: The ram up/down and blowoff air is independent of the electronic controls and can be
operated anytime the main air slider valve is open and air pressure is available.
Powers heat ON and OFF from Heat Run screen (F
• When ON, the enabled heat zones are ON.
• When OFF, all heat zones are OFF.
Cancel a selection or number entry while in the process of entering a number or making a
selection.
Toggle between run and setup screens.
• Setup changes can be made while system is operating.
• If setup screens are password protected, button toggles between run and password entry
screen.
Opens drop down menus on Setup fields.
Press to enter changes and make a selection.
Navigate left or right to a new screen.
Navigate left or right within a screen while in Jump In mode. See Appendix A - User Interface
Display, page 93, for more information.
IG
. 72, page 101).
Arrows Up/Down
313296J 13
Navigate up or down within a screen or to a new screen.
• Move between selections within a drop-down menu.
• Increment or decrement the selected numerical field within a selection menu.
Component Identification
Table 3: Display Module Button Functions
Button Function
Soft Key
Soft keys activate the mode or action represented by the icon above each button in the LCD.
See Table 4 for soft key modes and actions.
Table 4: Display Soft Key Icons
Icon Function
Depressurize Depressurize relieves fluid pressure from the pump outlet to below the platen on the currently
active ram.
If system is pressurized, press button.
Pump Prime
• When prompted to depressurize the system, select or .
active ram will depressurize both rams.
Depressurizing the
NOTE: If additional user-supplied check valves have been added to the system, only the
active ram will be depressurized. You must perform manual crossover and select depressurize
again to depressurize both rams. See Crossover section of this table on page 15.
If system is depressurized, press button.
• When prompted to pressurize the system, select or .
Pump Prime
•
Tandem ram:
•
Tandem ram:
if pump is off, activates the air solenoid on the active ram;
if pump is on, activates the air solenoid on the inactive ram which enables you
to purge air and prime the pump;
•
Single ram:
activates air solenoid whether or not pump is on;
• clears the Pump Not Primed deviation or alarm (depending on setup selection); and
• resets the drum volume remaining to the drum fill volume setpoint for pump being primed.
Press button.
• When prompted to prime the ram, select to prime.
Press button to exit Prime Mode or to reset counter to the prime time.
• When prompted to exit Prime Mode, select to exit or to reset prime counter.
Recirculate Recirculate Mode pumps fluid from the drum, through the pump, and back into the drum on the
currently active ram.
Set motor air regulator to 30 psi (0.2 MPa, 2.1 bar) before pressing Recirculate key.
If system is not in Recirculate Mode, press button.
• When prompted to turn recirculation on, select or . Adjust motor air regulator to
obtain desired flow rate.
If system is in Recirculate Mode, press button.
• When prompted to turn recirculation off, select or .
14 313296J
Component Identification
Table 4: Display Soft Key Icons
Icon Function
Crossover Crossover key transitions the active ram to inactive, and inactive ram to active. Available on
Warm Melt Tandem Supply Systems only.
NOTE: If an alarm is present on the inactive ram, crossover will not be successful. Manual
crossover is disabled in single ram operation.
Press button.
• When prompted to initiate a crossover, select or .
Setback
Setback transitions the heaters into setback mode. The setpoint for each zone will be
decreased by the setback amount. See Heater System Setup Screen, page 95, and Heat
Run Screen, page 101.
Jump In
In screens that have editable fields, press to access the fields and make changes. See
Appendix A - User Interface Display, page 93, for more information.
NOTICE
To prevent damage to soft key buttons, do not
press the buttons with sharp objects such as pens,
plastic cards, or fingernails.
313296J 15
Component Identification
User Interface Display
NOTE: For details regarding the user interface display see Appendix A - User Interface Display, page
93.
Display Screen Components
The following figure calls out the navigational, status, and general informational components of each display screen.
Current Date and Time
Displays soft keys
that are active for
particular screen
Soft Keys
F
IG
. 9: Display Screen Components
Navigation
Status
Mode
Function Display
16 313296J
Installation
Installation
Accessories are available from Graco. Make certain all
accessories are adequately sized and pressure-rated to
meet the system’s requirements.
Component Identification illustrations are only a guide
for selecting and installing system components and
accessories. Contact your Graco distributor for assistance in designing a system to suit your particular
needs.
Location Requirements
•Refer to Dimensions, page 104, for ram mounting
and clearance dimensions.
• Install indoors only, and not near water or any other
liquid that is sprayed.
Location
NOTICE
Always lift supply system at proper lift locations (see
F
IG
. 2) to avoid equipment damage. Do not lift in any
other way.
Grounding
Ground the supply system as instructed here and in the
individual component manuals.
The power source conduit is not an adequate ground
for the system. The unit must be bonded to either the
building ground or a true earth ground. To reduce the
risk of static sparking, ground the pump, the object
being dispensed to, and all other dispensing equipment used or located in the dispensing area. All electrical wiring must be done by a qualified electrician
and comply with local codes and regulations.
Pump: use a ground wire and clamp. Loosen grounding
lug locknut and washer. Insert one end of supplied
ground wire into slot in lug and tighten locknut securely.
Connect other end of wire to a true earth ground. See
F
IG
. 10.
1. Attach a lifting sling at the proper lift spots. Lift off
the pallet using a crane or a forklift. See F
proper lift locations.
2. Position the ram so the air controls and electrical
enclosure are easily accessible. Ensure that there is
enough space overhead for the ram to raise fully.
3. Using the holes in the ram base as a guide, drill
holes for 1/2 in. (13 mm) anchors.
4. Ensure that the ram base is level in all directions. If
necessary, level the base using metal shims.
Secure the base to the floor using 1/2 in. (13 mm)
anchors that are long enough to prevent the ram
from tipping.
IG
. 2 for
ti8250a
F
IG
. 10: Ground Pump
Air and fluid hoses: use only electrically conductive
hoses.
Air compressor: follow manufacturer’s recommendations.
Dispense valve: ground through connection to a prop-
erly grounded fluid hose and pump.
313296J 17
Installation
Fluid supply container: follow local code.
Object being sprayed: follow local code.
Solvent pails used when flushing: follow local code.
Use only conductive metal pails, placed on a grounded
surface. Do not place the pail on a nonconductive surface, such as paper or cardboard, which interrupts
grounding continuity.
To maintain grounding continuity when flushing or
relieving pressure: hold metal part of the dispense
valve firmly to the side of a grounded metal pail, then
trigger the valve.
Connect Power Source
The electrical enclosure comes already attached and
wired to the ram; however, before the supply system
becomes functional you must connect the electrical
enclosure to a power source.
NOTE: See Power Requirements, page 7, for circuit
protection requirements.
1. Open electrical enclosure door and locate power
line filter.
2. Have a qualified electrician perform the following
steps:
a. Connect your plant power to the electrical
enclosure power line filter according to local
codes. A 1-3/8 in. (35 mm) diameter opening is
provided on the side of the enclosure adjacent
to the label. This opening is suitable for a 1 in.
npt conduit or strain relief fitting (supplied).
b. Connect a power protective ground to the cen-
ter post on the line end of the power line filter.
NOTE: Install safety insulation boots (supplied) on
the power line. Install 1/4 in. ring lugs (user supplied) on the power line and power protective
ground line prior to connecting to the power line filter posts.
Have a qualified electrician connect power according
to national, state, and local safety and fire codes.
NOTE: Required voltage and amperage is noted on
the electrical enclosure label. Also see Table 1.
Before running power to the unit, make sure the
plant electrical service meets the supply system’s
electrical requirements.
18 313296J
Installation
Install/Adjust Drum Low or Empty Sensor
1. Position ram at desired level (low or empty).
NOTE: Follow Steps 2 through 4 only if installing the
low sensor.
2. Attach the low sensor to the existing sensor bracket
(EA), above the existing empty sensor (EE).
D200 Shown
EA
EE
ED
EB
F
IG
. 11: Low or Empty Sensor Kit
4. Attach the sensor to the corresponding connector
on the splitter cable. For drum low, attach the sensor to connector 1. For drum empty, attach the sensor to connector 2.
5. Power system on.
6. Make precise adjustments by moving the sensor
within the slot on the sensor bracket. Use the yellow
indicator on the sensor cable to indicate a drum low
or empty condition.
Light Tower Accessory
Order the 255468 Light Tower Accessory as a diagnostic indicator for supply systems. See T
description of light tower signals.
Table 5: Light Tower Signals
Signal Description
Yellow flashing A low priority error exists.
Yellow on A medium priority error exists.
Red flashing A high priority error exists.
Red on The system is shut down due to
error conditions.
ABLE
5 for a
3. Replace the existing cable between the empty sensor (EE) and FCM connector (see F
with the empty/low sensor splitter cable.
IG
. 7, page 12)
313296J 19
Installation
Attach Drum Stops
Supply systems are shipped with drum stops in place to
help position the drum on the ram. For replacement
parts, order Kit 255477. The kit includes two each of
capscrews (FA), lock washers (not shown), and drum
stops (FB).
D200 Shown
1. Locate the correct set of mounting holes on the ram
base.
2. Using the capscrews (FA) and lock washers (not
shown), attach the drum stops (FB) to the ram base.
FB
F
IG
. 12: Attach Drum Stops
FA
55 gal (200 L)
30 gal (115 L)
8 gal (30 L)
5 gal (20 L)
IG
. 13: Drum Stop Location
F
20 313296J
Installation
Check Resistance
Check the Resistance Between the Supply
System and the True Earth Ground
The resistance between the supply system components and true earth ground must be less than 0.25
ohms.
Have a qualified electrician check the resistance
between each supply system component and the true
earth ground. The resistance must be less than 0.25
ohms. If the resistance is greater than 0.25 ohms a different ground site may be required. Do not operate the
system until the problem is corrected.
NOTE: Use a meter that is capable of measuring
resistance at this level.
Sensor Resistance Checks
Conduct these electrical checks with the main disconnect OFF.
NOTE: For dispense valve and hose sensor resistance checks, refer to your dispense valve manual
or hose manual.
The supply system includes a heat sensor and controller
for each of the four heated zones. To check sensor
resistance:
1. Make sure the power is off and that the disconnect
switch is in the OFF position.
2. Make electrical resistance checks for the components.
3. Replace any parts that have resistance readings
that do not comply with the ranges listed in Table 6.
NOTE: Check resistance at ambient room temperature (63°– 77°F [17°– 25°C]
Table 6: RTD Sensor Resistance
Zone Component Connector Pin Range (ohms)
1 Platen Pin 1 to 3
2 Fluid Pump Pin 1 to 3
FIG. 14: RTD Connector Pins
).
1050-1100
1050-1100
Ω
Ω
313296J 21
Installation
Heater Resistance Checks
Conduct these electrical checks with the main power
disconnect OFF.
NOTE: For dispense valve and hose sensor resistance checks, refer to your dispense valve manual
or hose manual.
To check heater resistance:
1. Make sure the power is off and that the disconnect
switch is in the OFF position.
2. Make electrical resistance checks for the components. Refer to Table 7. Heater terminal pins are
located on the back of the enclosure (H). See F
page 8.
3. Replace any parts whose resistance readings do
not comply with the ranges listed in Table 7.
IG
. 2,
NOTE: Check resistance at ambient room temperature (63°– 77°F [17°– 25°C]
).
Table 7: Resistance Chart of All Heaters
Between
Zone Component
1 Platen - D200 1 and 3 240 15 +5/-5
2 Platen - D60 1 and 3 240 80 +10/-10
3 Pump L and N 240 37 +5/-5
Terminals
Unit
Voltage
Range
(ohms)
1
3
L
FIG. 15: Heater Terminal Pins
N
22 313296J
Installation
Hose Installation and Care
NOTE: The warm melt supply system requires
Graco single-circuit material hoses rated at a maximum of 1920 Watts.
Hose Installation
1. Connect heated hose to the pump outlet.
2. Use two wrenches to tighten. Torque to 470-550
in-lbs (53.1-62.1 N•m).
3. Wrap exposed fittings on the pump outlet with
Nomex insulation and secure insulation using fiberglass tape.
Mechanical Setup
1. Fill displacement pump wet cup 2/3 full with Graco
Throat Seal Liquid (TSL).
2. Turn all air regulators to their full counterclockwise
position.
3. Connect a 3/4 in. (19 mm) air line from an air source
to the system air inlet. Refer to the pump performance curves in the Check-Mate Pump Packages
manual to determine your air supply flow requirements.
NOTE: Quick disconnects restrict flow for large air
motors.
Overview of Temperature Control Settings
Temperature controls are set in Setup mode. See Setup
Mode Screens on page 95 for information about setting
temperature controls.
See Run Mode Screens on page 100 for information on
controlling temperatures for each zone.
4. Connect hose adapter to green receptacle on junction box.
FIG. 16: Connect Hose to Junction Box
5. Securely tighten the 16-pin electrical connectors on
long heated hose leads into 16-socket receptacles
on the end of the hose adapter.
6. Securely tighten the 8-socket electrical connectors
on short heated hose leads into 8-pin receptacle
located on the dispense valves.
Hose Care Guidelines
Refer to the Hotmelt/Warm Melt Heated Hose manual
for details regarding hose care guidelines.
313296J 23
Setup
Setup
The pump was tested with lightweight oil, which is left in
the fluid passages to protect parts. To avoid contaminating fluid with oil, flush the pump with a compatible solvent before use. See Purge System, step 2.
Purge System
Purging the system before the initial use can prevent
material contamination, which may cause the material to
fail or perform poorly.
NOTICE
Purge the system before performing the initial material
loading procedure. The system was factory-tested
using a light soluble oil, a soybean oil, or some other oil
as tagged. Flush the system to avoid contaminating the
material that has been designated for initial material
loading.
To purge the system perform the following procedure:
This equipment should not be used with more than
one type of fluid due to potential compatibility issues
that could result in an unpredictable reaction. Graco
recommends using new hoses when chemicals are
changed or care must be taken to assure that all
traces of one chemical are removed before introducing a second chemical.
3. Select a container of material that can eliminate the
factory-test oil from the system. If necessary, check
with Graco or the material supplier for a recommended solvent.
4. Before purging ensure the entire system and waste
container are properly grounded.
NOTE: Remove any dispense valve orifices before
purging. Reinstall after purging has been completed.
1. Select the material for the initial material load.
2. Verify whether the factory-test oil and the initial
material load are compatible:
a. If the two substances are compatible, omit the
remaining steps in this procedure and refer to
the start up and operation instructions.
b. If the two substances are incompatible, perform
the remaining steps in this procedure to flush
the system at ambient temperature.
Use fluids that are chemically compatible with the
equipment wetted parts. See the Technical Data sections in the equipment manuals.
5. Purge the material through the system for approximately 1 to 2 minutes.
6. Remove the container if purge material was used.
Set Values on Display Module
Set desired values on display module Setup menus.
See Setup Mode Screens, page 95.
24 313296J
Setup
Load Material
Moving parts can pinch or amputate fingers. When
the pump is operating and when raising or lowering
the ram, keep fingers and hands away from the
pump intake, platen, and lip of the drum.
NOTICE
Do not use a drum of material that has been dented or
otherwise damaged; damage to the platen wiper can
result.
NOTE: Before loading material, ensure that there is
a minimum overhead clearance of 105 in. (267 cm)
and all air regulators are backed off to their full
counterclockwise position.
NOTE: Follow steps below for both rams if using a
tandem warm melt supply system.
1. Refer to F
lators and air valves.
IG
. 2, FIG. 3, and FIG. 4. Close all air regu-
D200 Shown
J
D
FIG. 17: Heated Platen
8. Set the director valve (BC) to DOWN and lower the
ram until fluid appears at the top of the platen bleed
port (J). Adjust ram air regulator (BB) as needed.
Set the director valve (BC) to neutral and close the
platen bleed port (J). 2-Button Interlock: If system
has this feature, press and hold both buttons to start
lowering the ram. See F
IG
. 5, page 11.
2. Open main air slider valve (BA) and set ram air regulator (BB) to 40 psi (0.28 MPa, 2.8 bar). Set director valve handle (BC) to UP and let the ram rise to
its full height. 2-Button Interlock: If the system has
this feature, ram will stop as it nears the top. Press
and hold both buttons to raise ram completely. See
F
IG
. 5 on page 11.
3. Lubricate the platen seals (D) with grease or other
lubricant compatible with the fluid you will pump.
4. Remove the drum cover and smooth the surface of
the fluid with a straightedge.
5. Put a full drum of fluid on the ram base, slide it back
against the drum stops, and center it under the
platen (D). An optional drum roller kit is available to
make it easier to load the drum on the base. Order
Kit 255627.
6. Remove bleed stick from platen bleed port (J). See
F
IG
. 17.
7. If drum has a plastic liner, pull it over edge of drum.
Secure liner with tape wrapped around circumference of drum.
313296J 25
Setup
System Heat Up
Never pressurize warm melt supply system while
using warm melt materials before turning on heat.
Many warm melt materials tend to expand when heating and may cause a heated hose to burst. Avoid the
potential of bursting a hose by opening the dispense
valve during system heat up and lock the dispense
valve trigger open every time you shut the system
down.
NOTE: Operate at the lowest temperature and pressure necessary for your application.
1. Turn the main disconnect on the electrical control
panel door to the ON position.
2. Press while in the Heat Run screen to turn the
heaters on for enabled heat zones.
F
IG
. 18: Heat Run Screen - Ram A
26 313296J
Setup
Prime
1. Make sure the system is at required temperature.
2. Tandem Systems Only: To prime the active ram,
ensure that the system is not in Run Mode. To prime
the inactive ram, ensure that the system is on and in
Run Mode.
3. Single Systems Only: To prime the ram, ensure
that the system is on. The system may or may not
be in Run Mode.
(Prime active ram - not Run Mode)
FIG. 21: Prime Confirmation
6. When the timer expires the air motor solenoid LED
will turn off.
7. Prime the system until a smooth flow of material dispenses from the dispense valve.
8. Lock the dispense valve trigger lock.
NOTE: To exit Prime Mode before the timer expires,
press the Pump Prime key . The display
prompts the operator to confirm. See F
IG
. 22. Select
to exit prime.
FIG. 19: Ram Operation Screen - Tandem System
(Prime inactive ram - in Run Mode)
IG
. 20: Ram Operation Screen - Tandem System
F
4. If using a manual dispense valve, unlock the dispense valve trigger and place dispense valve over a
waste container.
5. Press the Pump Prime key . The display
prompts the operator to confirm. See F
IG
. 21. Select
IG
. 22: Exit Prime Mode Confirmation
F
NOTE: To extend the prime time counter, select
in F
IG
. 22. Display prompts operator to confirm.
IG
See F
. 23. Select to reset.
to begin prime.
IG
. 23: Reset Prime Time Counter Confirmation
F
313296J 27
Operation
Operation
Pressure Relief Procedure
This procedure describes how to relieve pressure for the
supply system. Use this procedure whenever you shut
off the system and before checking or adjusting any part
of the system.
1. Lock the dispense valve trigger.
2. Press On/Off key . If system is On, display will
highlight . Select to turn off.
If you suspect that the dispense tip/nozzle or hose is
completely clogged, or that pressure has not been fully
relieved after following the steps above, very slowly
loosen the tip guard retaining nut or hose end coupling
and relieve pressure gradually, then loosen completely.
Now clear the tip/nozzle or hose.
Trigger Lock
Always engage the trigger lock when you stop dispensing to prevent the gun from being triggered accidentally
by hand or if dropped or bumped.
Start and Adjust Ram
Moving parts can pinch or amputate fingers. When
the pump is operating and when raising or lowering
the ram, keep fingers and hands away from the
pump intake, platen, and lip of the drum.
FIG. 24: System Function Screen
3. See F
4. Set the ram director valve to DOWN. The ram will
5. Jog the director valve up and down to bleed air from
6. Unlock the dispense valve trigger.
7. Hold a metal part of the dispense valve firmly to the
8. Lock the dispense valve trigger.
9. Open all fluid drain valves on ram(s). Have a con-
IG
. 4, page 10. Close the air motor slider valve
(BF) and the main air slider valve (BA) on ram(s).
slowly drop.
ram cylinders.
side of a grounded metal pail, and trigger the dispense valve to relieve pressure.
tainer ready to catch the drainage. Leave fluid drain
valves open until ready to dispense again.
To start and adjust the ram(s), follow the Load Material
procedure on page 25.
Start and Adjust Pump
NOTE: Follow steps below for both pumps if using a
tandem warm melt supply system.
1. Connect pump outlet fittings and hose (not supplied).
NOTE: Be sure all components are adequately sized
and pressure rated to meet the system’s requirements.
2. Be sure the pump air valve is closed. Then set the
ram air regulator (BB) to 50 psi (0.35 MPa, 3.5 bar).
Set the director valve (BC) to DOWN. See F
page 10.
IG
. 4,
28 313296J
Operation
3. Press while in the Ram Operation screen.
F
IG
. 25: Ram Operation Screen - Tandem System
4. When the confirmation screen appears with a
prompt, select to start the pump.
5. Open the pump air valve (BF) and keep the director
valve (BC) set to DOWN while pump is operating.
NOTE: Increase air pressure to the ram if the pump
does not prime properly with heavier fluids.
Decrease air pressure if fluid is forced out around
the top seal or platen.
Manual Crossover
(Tandem Warm Melt Supply System Only)
Manual crossover can only be initiated if the following
conditions are met:
• inactive ram is not in the drum empty error condition.
• pump runaway and not primed alarms do not exist.
To initiate a manual crossover to the inactive ram:
1. From the Ram Operation screen, press the Cross-
over key . The display prompts the operator
to confirm.
2. Select to confirm manual crossover operation
or select to cancel.
Automatic Crossover
(Tandem Supply System Only)
Keep clear of the inactive ram, as automatic crossover may occur unexpectedly. To repair or adjust the
ram, first follow all steps of the Pressure Relief Pro-
cedure on page 28.
The automatic crossover feature allows continuous flow
and prevents system shutdown. If the active ram
encounters a pump runaway or drum empty alarm, it will
attempt an automatic crossover to the inactive ram.
The system will generate a crossover error if the active
ram attempts an automatic crossover while the inactive
ram has a pump runaway, drum empty, or not primed
alarm. If this occurs, correct the error and clear the
alarm from the Alarm screen. See Alarm Screen, page
103, for details.
FIG. 26: Crossover Function Screen
NOTE: If the active ram has a pump runaway error
or drum empty error, the system will attempt an
automatic crossover.
313296J 29
Operation
Recirculate Function
Recirculate mode pumps fluid from the drum, through
the pump, and back into the drum on the currently active
ram.
To enter Recirculate mode:
1. Set the motor air regulator to 30 psi (0.2 MPa, 2.1
bar).
2. From the Ram Operation screen, press the Recircu-
late key . The display prompts the operator to
confirm.
3. Select to confirm recirculation or select to
cancel.
Depressurize Function
Follow the Pressure Relief Procedure on page 28.
Shutting off power or removing power from the system will not depressurize the system.
When the system is pressurized the depressurize function relieves fluid pressure from the pump outlet to
below the platen on the currently active ram. However,
when the system is depressurized pressing the depressurize key will restore fluid pressure.
Depressurize System
From the Ram Operation screen, press the Depressur-
ize key . The display prompts the operator to con-
firm. Select to confirm depressurize or select
to cancel.
F
IG
. 27: Enter Recirculate Mode
4. Adjust motor air regulator to obtain desired flow
rate.
NOTE:
While in Recirculate Mode, the manual crossover
function cannot be used and the inactive ram cannot be primed.
To exit Recirculate Mode, press the Recirculate key
. The display prompts the operator to confirm.
Select to confirm or select to cancel. See F
27.
NOTE:
You must exit Recirculate Mode before depressurizing or initiating a crossover.
IG
F
IG
. 28: Depressurize Function Screen
.
30 313296J
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