Graco ProMix Auto Manuale utente

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

311395 rev.A

Installation

ProMix™Auto

Third Flush Valve Kit

For proportional mixing of plural component coatings.

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

TI6802b

Wall Mount Fluid Panel

Parts

Related Manuals

2311395A

Contents

Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Shutdown and Service . . . . . . . . . . . . . . . . . . . . . . 5

Before Servicing . . . . . . . . . . . . . . . . . . . . . . . . . 5

After Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . 5

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Air Purge Valve Tee Installation . . . . . . . . . . 6

Third Flush Valve Installation . . . . . . . . . . . . 7

Pneumatic Tubing Connections . . . . . . . . . . 7

Manifold and Electrical Connections . . . . . . . 8

How to Enable ProMix Auto Third Flush Valve . . 9

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

15G731 ProMix Auto Third Flush Valve Kit . . . . 10

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 12

Related Manuals

Component Manuals in U.S. English

Manual Description

311079 ProMix Auto Operation

311189 ProMix Auto Service - Parts

310654 Fluid Mix Manifold

310655 Dispense Valve

308778 G3000, G250, G3000HR, G250HR Flow

Meter

310696 Coriolis Flow Meter

307731 Color Change Valve Assembly,

Low Pressure

307941 Color Change Valve, Low Pressure

308291 Color Change Valve Assembly, High

Pressure

308977 Color Change Valve, High Pressure

311191 ProMix Auto™Web Communications

Software

Warnings

311395A 3

Warnings

The following general warnings are for the setup, use, grounding, maintenance, and repair of this equipment. Addi-

tional, more specific warnings may be found throughout the body of this manual where applicable. Symbols appear-

ing in the body of the manual refer to these general warnings. When these symbols appear throughout the manual,

refer back to these pages for a description of the specific hazard.

WARNING

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. See Grounding instructions.

• 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 fire extinguisher in the work area.

INTRINSIC SAFETY

Only models with a G3000 or G3000HR for both A and B meters are approved for installation in a Haz-

ardous Location - Class I, Div I, Group D, T2 C. To help prevent fire and explosion:

• Do not install equipment approved only for non-hazardous location in a hazardous area. See the ID

label for the intrinsic safety rating for your model. Refer to instruction manuals for your model.

• Do not substitute system components as this may impair intrinsic safety.

ELECTRIC SHOCK HAZARD

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 regu-

lations.

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 spray tip.

• Do not stop or deflect leaks with your hand, body, glove, or rag.

• Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning,

checking, or servicing equipment.

Warnings

4311395A

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.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all

equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information

about your material, request MSDS forms from distributor or retailer.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine Graco

replacement parts only.

• Do not alter or modify equipment.

• Use equipment only for its intended purpose. Call your Graco 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.

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.

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.

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

WARNING

Shutdown and Service

311395A 5

Shutdown and Service

Before Servicing

1. Follow “Pressure Relief Procedure” on page 5.

2. Close main air shutoff valve on air supply line and

on ProMix™ Auto.

3. Shut off ProMix™ Auto power (0 position). FIG. 1.

4. If servicing EasyKey™ Display, also shut off power

at main circuit breaker.

After Servicing

After servicing the system, be sure to follow the

Start Up checklist and procedure in the ProMix™ Auto

Operation manual 311079.

Pressure Relief Procedure

1. While in Mix mode (dispensing mix material), isolate

the A and B fluid supply.

2. Push the manual override on the A and B dispense

valve solenoids to relieve pressure. FIG. 2.

3. Purge mix material following the Purging section in

the ProMix™ Auto Operation Manual (311079).

4. Isolate the solvent fluid supply.

5. Initiate purge sequence following the Purging sec-

tion in the ProMix™Auto Operation Manual

(311079).

6. Verify the solvent pressure is reduced to 0.

• To avoid electric shock, turn off EasyKey™ power

before servicing.

• Servicing EasyKey™ display exposes you to high

voltage. Shut off power at main circuit breaker

before opening enclosure.

• All electrical wiring must be done by a qualified

electrician and comply with all local codes and reg-

ulations.

• Do not substitute system components as this may

impair intrinsic safety.

FIG. 1 Power Switch

0 = OFF

Follow Pressure Relief Procedure when you stop

spraying, before changing spray tips, and before clean-

ing, checking, or servicing equipment. Read warnings,

page 3.

If Dose alarm occurs, clear alarm.

If Purge Volume alarm occurs, clear alarm.

FIG. 2 Wall Mount Fluid Supply Solenoids

Solenoid

Button

Installation

6311395A

Installation

See illustrations and “Parts” on page 10 for component

kit parts and referenced numbers throughout this proce-

dure.

Air Purge Valve Tee Installation

1. Remove (unscrew) the air purge valve (A) from the

inlet on the A side of the fluid manifold. See FIG. 3.

2. Install the tee (14) into the port that the air purge

valve was removed from. See FIG. 4.

3. Install the stainless steel check valve (19) into the

1/4” stainless steel street tee (14).

4. Attach the nylon coupled hose (15) to the check

valve (19) and route the hose (15) to the left side of

the panel where the third flush valve (1) will be

attached.

5. Reinstall the air purge valve (A) into the female port

of the tee (14).

Follow Pressure Relief Procedure on page 5 before

cleaning, checking, or servicing equipment. Read

warnings, page 3.

Apply pipe sealant (13) to all tapered threads when

installing third valve flush kit. Do not apply sealant

to swivel fittings.

FIG. 3

Ti7224A

FIG. 4

Installation

311395A 7

Third Flush Valve Installation

1. Use the two 1/4-20 screws (3) to mount the

pre-assembled valve and bracket (1) in the upright

position to the fluid panel. See FIG. 5

2. Connect the nylon coupled hose (15) to the outlet

port (B) of the third flush valve (1).

3. Attach the customer supplied water feed hose to the

stainless steel elbow (16).

Pneumatic Tubing Connections

1. Attach the red pneumatic tubing (17) to the top side

of the valve (1) and the green pneumatic tubing (18)

from the center of the valve (1). See FIG. 6.

2. Route both tubes (17, 18) behind the fluid panel and

through the inlet grommet (C) on the right hand side

of the electrical panel. Tubing will be attached to the

solenoid at a later time. See FIG. 6 and FIG. 7.

FIG. 5

15 B

FIG. 6

FIG. 7

Installation

8311395A

Manifold and Electrical Connections

1. Remove the cover of the electrical panel.

2. Remove the center pipe plug from the existing A

side manifold (D) and install the swivel elbow (11)

included with the kit. See FIG. 8.

3. Using the factory assembled B side manifold (E)

included with the kit, press one end of the nylon 1/4”

nylon tube (12) into the opening of the elbow fitting

(11) that is already installed. See FIG. 8.

4. Remove the electrical panel and attach the factory

assembled B side manifold (E) to the electrical

panel by inserting the two machine screws (7)

through the back of the electrical box into the mani-

fold (E).

5. Pull the Red and Green pneumatic tubes that were

installed earlier up the inside of the panel and con-

nect to the outlet push fittings on the solenoid. The

red tube (17) must be attached to the B side of the

solenoid (farthest away) and the green tube (18)

must be attached to the A side (closest to the front).

See FIG. 9.

6. Fasten the electrical panel back into place.

7. Press the end of the nylon tube (12) into the open

port of the elbow fitting (11) on the A side manifold

(D). See FIG. 8 and FIG. 10.

While attaching the factory assembled B side mani-

fold (E) to the electrical panel, route the 1/4” nylon

tube (12) behind the electrical board towards the A

side manifold (D).

FIG. 8

FIG. 9

FIG. 10

A Side

B Side

(18)

Front

11 12

Installation

311395A 9

8. Attach the red wire from the new solenoid to port 9

of the J9 (F) connector. Attach the black wire from

the new solenoid to port 10 of the J9 (F) connector.

9. Replace the electrical panel cover. Kit installation is

complete.

10. Follow the start up procedure in the ProMix Auto

manual 311079.

How to Enable ProMix Auto

Third Flush Valve

1. Connect to EasyKey with web interface. Follow the

instructions in manual 311191.

2. Download setup values to a file on your computer.

3. Open this file, scroll down to the bottom, and make

the following changes:

a. Change “ThirdFlushValve” variable from 0 to 1.

b. Edit “ThirdFlushFirstPurgeTime” variable for the

time water is pushed prior to the purge chop

sequence.

4. Save file onto your computer. It is helpful to give it a

different file name.

5. Restore setup values to the ProMix Auto by click-

ing the button and selecting the modified file.

6. Your system will now use the third purge valve.

Please see operation manual 311079 for a descrip-

tion of color change and purge sequences.

FIG. 11

Port 10

Port 9

Dispense

A and B

Dump

A and B

Parts

10 311395A

Parts

15G731 ProMix Auto Third Flush Valve Kit

2,3

Ref.

No. Part No. Description Qty

1 287394 DISPENSE, valve 1

2 15G624 BRACKET, flush valve 1

3 112925 SCREW, cap 3

4 114230 MANIFOLD, solenoid 1

5 117356 VALVE, solenoid, 12 VDS (IS) 1

6 552183 PLATES, blanking 5

7 114669 SCREW, machine (not shown) 2

8 114263 FITTING, connector, male 2

9 100139 PLUG, pipe 13

10 C06061 MUFFLER, sinter 2

11 112698 ELBOW, male swivel (only one

shown)

12 054175 TUBE, nylon, 1/4” RD (not shown) .5 ft

13 110110 SEALANT, pipe, SST (not shown) AR

14 15G527 FITTING, 1/4” SST Street Tee (not

Shown)

15 239108 HOSE, nylon, coupled (not shown) 1

16 114342 ELBOW, 1/4” SST fitting (not

shown)

17 054754 TUBE, nylon, 5/32” RD (not shown,

shipped bulk coiled)

3 ft

18 054757 TUBE, nylon, 5/32” RD (not shown,

shipped bulk coiled)

3 ft

19 501867 VALVE, check 1/4” SST 1

Ref.

No. Part No. Description Qty

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