EFD 900 Manual de usuario

US: 800-556-3484 • UK: 0800 585733 • Mexico: 001-800-556-3484

A NORDSON COMPANY

Operating Guide

900 Series Dispenser

US: 800-556-3484 In the UK: 0800 585733 In Mexico: 001-800-556-3484

900 900-15 900-CA

••

☎

Introduction

The 900 Series fluid dispensers provide years of trouble-free,

productiveservice. ThisOperatingGuidewillhelpyoumaximizethe

usefulness of your new dispenser.

Pleasespendafewminutestobecomefamiliarwiththecontrolsand

features of your new dispenser. Follow our recommended testing

procedures. Reviewthehelpfulinformationwehaveincludedbased

on over 30 years of industrial dispensing experience.

MostquestionsyouwillhaveareansweredinthisGuide. However,

ifyouneedassistance,pleasedonothesitatetocontactEFDoryour

authorized EFD distributor.

In the US, call 800-556-3484.

In Mexico, call 001-800-556-3484.

In the UK, ring free 0800 585733.

The EFD Pledge

We pledge that you will be completely satisfied with our products.

We endeavor to ensure that every EFD product is produced to our

no-compromise quality standards.

If you feel that you are not receiving all the support you require,

orifyou haveanyquestions orcomments,Iinviteyou towriteorcall

me personally.

Our goal is to build not only the finest equipment and components,

but also to build long-term customer relationships founded on

superb quality, service, value and trust.

Randall Richardson, President

Specifications

Input voltage: Selectable

100/120/220 VAC 50/60Hz 26/20 VA

Internal voltage: 24 VDC

Foot pedal voltage: 9 VDC

Air input: 80 to 100 psi (5.5 to 6.9 bar)

Air output: (900)

0 to 100 psi (0 to 6.9 bar)

Air output: (900-15, 900-CA)

0 to 15 psi (0 to 1.0 bar)

Cycle rate: >600/minute

Time repeat: ±0.1%

Time ranges: programmable (seconds)

0.005 to 0.04 sec.

0.01 to 1.0 sec.

0.1 to 10 sec.

0.2 to 20 sec.

0.3 to 31 sec.

900, 900-15, 900-CA

8⅝x 8½x 2⅝"4 lb 2 oz

(21.9 x 21.6 x 6.7 cm) (1.87 kg)

First: Unpackandusethechecklistenclosedwith

the Dispenser Kit to identify all items. If there is

any discrepancy, please call us immediately.

Second: Powerandcompressedplantairshould

be available where the dispenser is to be set up.

Air pressure should be between 80 and 100 psi

(5.5and6.9bar). IfyouarenotusinganEFDfive-

micron filter regulator #2000F755, be certain

yo r plant air is properly filtered and dry and

a reg lated, constant air press re is s pplied

to the dispenser.

Note: Model900-CAissuppliedwithanEFD five-

micron filter regulator with coalescing filter

(#2000F756).

Bottled nitrogen can be used.

Warning: If high pressure bottled air or nitrogen is

used,ahigh pressure regulator must be installed

on the bottle and set at 100 psi maximum. The

2000F755 filter regulator is not recommended.

Checkthevoltagelabeltobecertainitissettothe

available power.

Third: Now is a good time to ACTIVATE your

extendedTwo Year Limited Warranty. Please fill

inandreturn thepostagepaidWarrantycard. Or

ifyouprefer, call the appropriate toll-free number

listed below, provide the serial number of your

dispenser and respond to a few short questions.

You are then assured of complete protection for

two years.

In the US, call 800-556-3484.

In Mexico, call 001-800-556-3484.

In the UK, ring free 0800 585733. 3

Contents

Hookup .................................................... 4-5

Setup for Testing...................................... 6-7

Testing the Dispensers ............................ 8-9

Programmable Timer .................................. 9

How to Use the Vacuum Control.......... 10-11

ULTRA Dispensing System.................. 12-13

Loading the Barrel Reservoirs.............. 14-15

Schematic & Parts..................................... 16

Troubleshooting ........................................ 17

Suggestions & Reminders......................... 18

Reordering Components ........................... 19

Two Year Limited Warranty....................... 20

Meets applicable CSA and CE requirements.

Reference CSA LR File Number 84105

First Steps

ThismanualisfortheexpressandsoleuseofEFDdispenserpurchasers

andusers,and no portionofthis manual maybereproduced in anyform.

EFD, ULTRA System, LV Barrier, SmoothFlow, ZeroDraft, SafetyLok,

Making Timed Deposits of Medium to Thick Fluids

Changing Deposit Size and Drawing Stripes

Making Timed Deposits of Watery-thin Fluids

900

Plant air, 125 psi maximum to

regulator. Output from regulator

should be a minimum of 80 psi,

maximum 100 psi.

❶

❷

Check voltage label

on dispenser

❸

❼

Male quick-connect,

insert and twist to lock

Blue test

fluid

❹

❻

❺

Air input

hose

Power cord

Adapter

assembly

Foot pedal

assembly

Note: For hookup purposes,

connections for the 900,

900-15 and 900-CA models

are identical.

Hookup

❶Connect the air input hose to a plant air source. Set plant air

supplywithin80to100psi(5.5to6.9bar). Whererequired,use

an EFD five-micron filter regulator #2000F755 (see Warranty).

❷Attach the air input hose coupling to the dispenser. Pull back

metal ring to attach to dispenser.

❸Plug in the polarized foot pedal connector.

❹Check the voltage label on the input voltage selector cartridge.

To change the voltage, remove the voltage selector from the

cartridge, rotate it and position the correct voltage to show

through the cartridge window. Replace the cartridge into the

powercordreceptacleandinsurethatbothsidessnapsecurely

into position. Install the power cord.

Note: For 900-15 and 900-CA dispensers, use the test barrel filled

with clear fluid and the red 25 gage tip. Refer to “Making Timed

Deposits of Watery-thin Fluids” on page 10.

❺Attach the 10cc barrel pre-filled with blue, nontoxic test fluid

(included with the dispenser) to the 10cc adapter head.

❻Take the 10cc barrel adapter assembly (#5150 on the adapter

head) and insert the black, male quick-connect into the air

outputfittingonthefrontpanelandturnclockwisetolock. Place

the barrel in the barrel stand.

❼During the initial testing, you will not use the vacuum control.

Keepthiscontrol shutoff (turnedcompletelyclockwise—donot

force).

Spare Fuse

Voltage Value

220

120

100

Cartridge Window

(check voltage indicated)

Note: The dispenser is

shipped with the f se cartridge

set for 120 VAC inp t.

Note: The controls for the 900, 900-15 and 900-CA dispenser models are identical.

Controls & Connections

Foot pedal

receptacle

Barrel

vacuum control

Air output

quick-connect Timer bypass

Power

switch

Air pressure

regulatorAir gauge

Cycle LEDTime control

120

Voltage selector and

fuse cartridge

Air input

Vacuum transducer Power input

receptacle

❸❷

❹

❶❺

❻

Power switch ❶should be off.

The amount of material dispensed each cycle depends on the

combination of air pressure, time of air pulse, viscosity of material

and dispensing tip size.

Note: The following steps refer to the 900 dispenser. For the

900-15 and 900-CA dispensers, refer to “Making Timed Deposits of

Watery-thin Fluids” on page 10.

Thefirststepistoremovethetipcapfromthepre-filledbarrelofblue

test material (twist and pull). Replace it with an 18 gage (green)

tapered dispensing tip. Press the tip on and twist clockwise to lock.

Pullout air pressureregulatorknob ❷until it “clicks”intothe unlocked

position. Turnclockwisetoadjusttheairpressureto30psi(2.1bar)

for the initial tests .

Always set the pressure desired by turning the air regulator knob ❷

clockwise. Toreduce the pressure, turn the knob counterclockwise

untilthegauge❸ readsalowerpressurethandesired. Thenincrease

and stop at desired pressure. Push knob in to lock.

Set time control ❹to #7. Dispense cycle time increases from 0.01

second minimum to 1.0 second as knob is turned clockwise.

Besurevacuumcontrol❺isturnedoff(turnclockwise)forinitialtests.

Press power switch ❶to turn on the dispenser. It will light green.

Press timer bypass switch ❻. It will light yellow. In this operation

mode,the timer will be bypassedtofill the dispensing tip beforeyou

begintesting. Acontinuousflowofmaterialwilloccuraslongasthe

foot pedal is pressed.

Please continue to page 8 for test procedures.

Setup for Testing

Making Timed Deposits of Medium to Thick Fluids

(Model 900)

Youarenowreadytotestthepre-filled,nontoxic,bluetestfluid. This

material is representative of thick, non-leveling fluids like sealants,

pastes or greases.

Check your initial settings:

A) Air gauge reads 30 psi.

B) Timer is set at #7.

C) Green tapered tip is on the test barrel.

D) Power and timer bypass switches are on.

Holding the barrel as shown, rest the tip on a piece of paper. Press

the foot pedal until the tip fills and some fluid is pushed out onto the

paper. Repeat this whenever you change to a new tip.

With the tip filled, turn off the timer bypass switch (yellow light out).

Take the Dot Test sheet and put the tip on a 1/4" circle, holding the

barrel as shown. Press the foot pedal. Check the dot size. Make

several more similar dots and note the size consistency.

Remember–Whentheyellowtimerbypassswitchison,acontinuous

flow of material will occur as long as the foot pedal is pressed. The

yellow light must be off to make timed deposits.

Testing the Dispensers

Correct angle for consistent deposits.

Remember-alwaysbringthetipin

contact with the work surface at

theillustratedangle. Afterthetipis

in position, press the foot pedal.

Release pedal and remove tip by

lifting straight up.

Timer

Pressure

Blue Tip Settings

Test Pressure Time Dot Size

G 30 psi #6

H 20 psi #6

I 20 psi #3

J 15 psi #3

K 10 psi #3

1234

0.3-31 seconds

0.2-20 seconds

(4) ON = Maintained pedal contact (hold foot pedal down during time cycle)

(4) OFF = Momentary pedal contact (press foot pedal once)

Caution: Always disconnect the power cord before removing the cover.

1234

Changing Deposit Size, Drawing Stripes

Thedotsizeisdeterminedbythetipdiameter,theairpressureoutput setting

andthepulsetime. Forlargedots,usealargetip,higherpressureandmore

time. Normally, you want to use as short a time pulse as possible. To

increase the dot size, slightly increase output air pressure, or increase tip

size, or both.

Dot Test with Green Tapered Tip

First, follow the settings illustrated on the right, and you will get dots about

the size shown. Try other times and pressures to see how easy it is to get

just the dot size you want.

Dot Test with Blue Tapered Tip

These tests show the effect of using a smaller diameter tip.

Replace the green tip with the blue (22 gage) tapered tip. Now, turn on the

timer bypass switch and press the foot pedal to fill the tip. Then, turn off the

timer bypass switch (yellow light out) and press the foot pedal.

Tomakestripes,pressthetimer bypassswitch(yellow lighton). Withthe tip

in contact with the test sheet, press and hold down the foot pedal while

making a bead or stripe.

Programmable Timer

Each900seriesdispenserhasadigitaltimerwithprogrammabletimeranges.

The DIP switch that controls the timer has been set at the factory for a time

range of 0.01 to 1.0 second, with the initiation set to MOMENTARY contact.

Ifalongertimerangeisrequired,orfootpedaloperationneedstobechanged

from momentary to maintained, choose the appropriate dip switch setting in

the chart below.

Green Tip Settings

Test Pressure Time Dot Size

A 30 psi #7

B 20 psi #7

C 10 psi #7

D 20 psi #3

E 15 psi #3

F 10 psi #3

0.01-1.0 second 0.1-10 seconds

DIP Switch Settings

How to Use the Vacuum Control

Making Timed Deposits of Watery-thin Fluids

(Models 900, 900-15, 900-CA)

The vacuum control allows low viscosity fluids, even water, to be

consistentlydispensedwithoutdrippingbetweencycles. Thevacuum

exerts a negative pressure on the fluid in the barrel and prevents

dripping.

Forthesetests,youwillusethetestbarrelsuppliedwiththeclearfluid.

1. Whileholdingthebarreluprightinonehand,removetheorange

end cap ❶and insert the blue LV Barrier™❷. Allow an air gap

as shown.

2. Attach the barrel to the 10cc adapter ❸. Snap the safety clip

tightly closed to prevent any dripping or bubbling. Remove the

tip cap ❹and attach the 25 gage (red) tip.

3. Set air pressure at 5 psi.

4. Press the timer bypass switch (yellow light on).

5. Withthebarrelpointingdownwardoveracontainer,unsnapthe

safety clip. Then press the foot pedal to fill the tip.

6. Set the timer at #5. Press the timer bypass switch again

(yellow light out).

7. If a drop begins to form at the end of the tip, slowly turn the

vacuum control knob counterclockwise to stop the drop from

growing. Wipe the tip and adjust vacuum as necessary.

8. Takethebarrelandplacethetiponthetestsheet. Pressthefoot

pedalandrelease. Checkthedotsize. Increaseordecreaseby

adjusting pressure or time.

Insert LV

Barrier™

Remove

tip cap

Air gap

Remove

orange

end cap

❸

❶❷

❹

Attach

10cc adapter

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