11 I/O Configuration and End of Cycle Switch .......................................7
1 SAFETY
1.1 Intended Use:
WARNING: Use of this equipment in ways other than those described in this User
Guide may result in injury to persons or damage to property. Use this equipment
only as described in this User Guide.
OK International cannot be responsible for injuries or damages resulting from
unintended applications of its equipment. Unintended uses may result form taking
the following actions:
• Making changes to equipment that has not been recommended in the User
Guide
• Using incompatible or damaged replacement parts
• Using unapproved accessories or auxiliary equipment
1.2 Safety Precautions:
• Do not operate this unit in excess of maximum ratings/settings
• Always wear appropriate personal protective clothing or apparel
• Use only the following power adaptor models: PSA15R-240P(ZJ) or
• Care must be taken to prevent the ingress of corrosive or flammable fluid back
into the unit. If corrosive or flammable fluids are used, an inline filter (881000-000) must be installed on the dispenser to help prevent the fluids from
being sucked back into the unit
Page Number
2
• The fluid being dispensed may be toxic and/or hazardous. Refer to Material
p
)
Safety Data Sheet for proper handling and safety precautions
• If a piston is not used with the barrel, an inline filter (881-000-000) must be
installed on the receiver head to help prevent fluids from being sucked back
into the unit. Also do not overfill the barrel and to lay the barrel on its side
• Do not smoke or use open flame when flammable materials are being dispensed
• This equipment is for indoor use only
2 SYMBOL DEFINITIONS
Symbol Definition
Power On/Off
Cycle Mode
Timer
Vacuum
3 SPECIFICATIONS
Size
Weight 1.2 kg (2.6lbs)
Input Voltage 24 VDC
Rated Power 10 W
Air Input 100 psi (6.9 bar) Max.
Pollution Degree II
Installation Category I
Indoor Use Altitude up to 2,000m (6,562ft)
Operating Temperature 0˚C to 50˚C (32˚F to 122˚F)
Storage Temperature -10˚C to 60˚C (14˚F to 140˚F)
80% for temperature up to 31˚C (87.8˚F) Decreasing
linearly to 50% relative humility at 40˚C (104˚F)
DX-250 = 0-100 psi (0-6.9 bar)
DX-255 = 0-15
si (0-1.03 bar
4FEATURES
2
1
9
8
4
3
5
6
7
15
Figure 1.0
Items Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Power Button
Mode Button
Counter Reset Button
Display
Air Pressure Gauge
Air Pressure Regulator
Pulsed Air Outlet
Vacuum Control
Time Control Knob
Receiver head air hose holder
Foot Switch Receptacle
Power Receptacle
I/O Connection
Exhaust Port
Air Inlet
Cord Lock
11
16
10
12
13
14
3
4
5 CONNECTING THE UNIT
CAUTION: A 5-micron filter (TSD800-6), not included, must be installed with the unit to
ensure proper air filtration.
1
2
3
Figure 2.0
Items Description
1 To Air Source
2 Air Filter (Not Included)
3 Power Adapter
4 Foot Switch
6 SETUP INSTRUCTIONS
Refer to Figure 1.0
6.1 Manual Dispense Cycle Setting:
1. Turn on the unit by pressing the Power button (1)
2. Press the Mode button (2) until “PURGE” appears on the Display
3. Turn up the air pressure by rotating the Air pressure regulator knob (6)
until the desired pressure is indicated on the Air pressure gauge (5).
4. After filling the barrel or using pre-packaged Adhesives, attach syringe to
receiver head assembly. Make certain that the syringe locks into place.
5. Connect the plug end of the receiver head assembly to one of the air
dispense outlet (7)
6. If vacuum “suck back” is needed, rotate the Vacuum regulator (8) counter
clockwise until the desired vacuum pressure is obtained
7. Press and hold the Footswitch to activate dispensed cycle. (The Manual
Mode is now activated)
6.2 Automatic Dispense Cycle Setting
1. Push the Mode button (2) to select “TIMED” mode
2. Rotate the Time control knob (9) to set desired dispense time
3. Repeat step 3 to 6 in Section 6.1
4. Depress Foot switch to activate timed dispensed cycle
6.3 Cycle Counter
The cycle counter records the numbers of dispense cycle being activated.
Up to 65,535 cycles can be recorded. This number is shown at the lower
right hand corner of the LCD. Press the Counter Reset button (3) to clear
the counter.
7 TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTION
LCD does not
light
System will not
actuate
4
System will not
pressurize
System will not
pull vacuum
• No power input
• Foot switch not
plugged in or
improperly plugged
in
• Defective foot switch
• Broken wire or loose
connection inside
unit
• Defective solenoid
• Defective PC board
• Insufficient air
pressure
• Air hoses not
plugged in
• Regulator defective
• Vacuum setting is
too low
• Defective solenoid
• Defective vacuum
venturi
• Check power cord
connections
• Turn on power
• Check foot switch
connection
• Foot switch needs to be
repaired or replaced
• Unplug power cord and
disconnect air supply.
Remove cover and check
for broken wires or loose
connections
• Replace solenoid
• Replace PC board
• Increase air supply
pressure
• Check connection
• Replace regulator
• Increase vacuum setting
• Replace solenoid valve
• Replace venture
• Replace needle valve
• Defective vacuum
needle valve
Inconsistent
dispensing
• Air bubbles in
Adhesives
• Dispense time is too
low
• Dispense needle
• Reduce vacuum setting
• Increase dispensing tim
• Replace needle
started to clog
5
6
8 MAINTENANCE
The dispenser is designed and built to be relatively maintenance free. To assure
trouble free operation, the following recommendations should be followed:
1. Make certain air supply is clean and dry.
2. Avoid turning barrels upside down or laying barrel so that material may
run through air line to internal components.
3. Avoid connecting the unit to excessive moisture or solvent saturation.
4. Avoid connecting air supply exceeding 100 psi (6.9 bar)
5. Use only Amyl Alcohol to clean outside surface of the main housing.
6. Use only soft cloth to clean the LCD.
9 SPARE PARTS AND ACCESSORIES
For DX-3xx/2xx spare parts and accessories information, please visit the DX3xx/2xx User Guide webpage at http://www.okinternational.com
10 LIMITED WARRANTY
OK International warrants this product to the original purchaser for a period of one
(1) year from date of purchase to be free from material and workmanship defects but
not normal wear-and-tear, abuse and faulty installation. Defective product or
subassembly and components under warranty will be repaired or replaced (at OK
International's option) free of charge. Customer with defective product under
warranty must contact the nearest OK International office or distributor to secure a
return authorization prior to shipping the product to the assigned OK International
authorized service center. For nearest OK International office or distributor contact
information, please visit www.okinternational.com. OK International reserves the
right to make engineering product changes without notice.
11 I/O Configuration and End of Cycle Switch
For DX-3xx/2xx I/O Configuration and End of Cycle Switch information, please
visit the DX-3xx/2xx User Guide webpage at http://www.okinternational.com