Graco LC0250 Parts list manual

312761B

Instructions - Parts

PR70 and PR70v

Integrated Heat

For controlling material temperature in heated tanks and hoses.

Models LC0250, LC0251,

LC0252, LC0253

Important Safety Instructions

Read all warnings and instructions in all sup-

plied manuals. Save these instructions.

Assembly LC0252 Shown

ti12577a

Supplied Manuals

2312761B

Contents

Supplied Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . 2

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

Component Identification . . . . . . . . . . . . . . . . . . . 4

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Connect Electrical Cord . . . . . . . . . . . . . . . . . . . 5

Install Low Power Temperature Control Modules 6

Connect 3-wire Module Power . . . . . . . . . . . . . . 6

Adjust Rotary Switch . . . . . . . . . . . . . . . . . . . . . . 7

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Cable Connections . . . . . . . . . . . . . . . . . . . . . . . 8

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Install Upgrade Token . . . . . . . . . . . . . . . . . . . . 10

Clean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . 11

Diagnostic Information . . . . . . . . . . . . . . . . . . . 11

Simplified Wiring Schematic . . . . . . . . . . . . . . . 11

Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . 12

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . 17

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Graco Ohio Standard Warranty . . . . . . . . . . . . . . 20

Graco Ohio Information . . . . . . . . . . . . . . . . . . . . 20

Supplied Manuals

Assemblies with a Standard Display Module

include manual 312393. Assemblies with an

Advanced Display Module include manuals 312759

and 312760.

PR70 and PR70v Operation and Parts Manuals

Part Description

312393 PR70 with Standard Display Module Opera-

tion and Maintenance Manual

312759 PR70 and PR70v with Advanced Display

Module Operation and Maintenance Manual

312760 PR70 and PR70v with Advanced Display

Module Repair and Parts Manual

MD2 Dispense Valve Manual

Part Description

312185 MD2 Dispense Valve Instructions and Parts

Manual

PR70 and PR70v Feed Systems Manual

Part Description

312394 PR70 and PR70v Feed Systems Manual

PR70 and PR70v Integrated Heat Manual

Part Description

312761 PR70v Integrated Heat Instructions - Parts

Manual

Warnings

312761B 3

Warnings

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

tion 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 elec-

tric shock.

Equipment With Grounding Plug

• Turn off and disconnect power cord before servicing equipment.

• Use only 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.

Hard-Wired Equipment

• 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.

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 manu-

facturer’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.

Component Identification

4312761B

Component Identification

FIG. 1: Heat Control Box

ti12577a

Assembly LC0253 Shown

Key:

AA Zone 1

AB Zone 2

AC Zone 3

AD Zone 4

AE Electrical Disconnect Switch

AF Fan

AG Integrated Heat Power Inlet

AH Integrated Heat Power Outlet

to Machine

AJ CAN Connection Output to

Machine

AK Heat Control Box

Grounding

312761B 5

Grounding

This product must be grounded. In the event of an elec-

trical short circuit, grounding reduces the risk of electric

shock by providing an escape wire for the electric cur-

rent. This product is equipped with a chord having a

grounding wire. A 3-blade grounding plug must be

installed or the machine may be hard wired. The plug

must be plugged into an outlet that is properly installed

and grounded in accordance with all local codes and

ordinances.

Improper installation of the grounding plug is able to

result in a risk of electric shock. The wire with insulation

having an outer surface that is green with or without yel-

low stripes is the grounding wire. Do not modify the plug

provided; if it does not fit the outlet, have the proper out-

let installed by a qualified electrician. Only connect the

product to an outlet having the same configuration as

the plug. Do not use an adapter with this product.

Installation

Connect Electrical Cord

1. Each machine comes with a permanent 10 ft power

cable without a plug. If a permanent extension cable

must be installed onto the existing cable or if an

extension cord is necessary, be sure to use the

appropriate gauge wire for the machine amperage.

See the following table.

Install Plug

For machines that will not be hard-wired,

install a

3-blade 240V, 1-phase grounding plug onto

cord (129). The machine must use a receptacle that

accepts the plug on the product.

For machines that will be hard-wired,

hard-wire

the machine. The grounding wire must be used.

Machine may be hard-wired or installed using a

plug.

Improper wiring may cause electric shock or other

serious injury if work is not performed properly. Have

a qualified electrician perform any electrical work. Be

sure your installation complies with all National, State

and Local safety and fire codes.

Number of Zones

installed in Heat

Control Box

Rating

(Amps)

Gauge (mm2) /

Number of Wires

130 10 (2.59) / 3

230 10 (2.59) / 3

340 8 (3.26) / 3

4 40 8 (3.26) / 3

The equipment must be grounded. Grounding

reduces the risk of static and electric shock by provid-

ing an escape wire for the electrical current due to

static build up or in the event of a short circuit.

Improper installation of the grounding plug is able to

result in a risk of electric shock. The wire with insula-

tion having an outer surface that is green with or with-

out yellow stripes is the grounding wire.

Installation

6312761B

Install Low Power Temperature

Control Modules

The low power temperature control modules are

installed in the Heat Control box at the factory. If a low

power temperature control module must be replaced,

perform the following procedure.

Remove Old Low Power Temperate Control Module

1. On units with a grounding plug, unplug unit from

wall.

On hard-wired units, use facility power switch to

turn off incoming power.

2. Unplug data connection and power cables from low

power temperature control modules. Do not discon-

nect other end of cables.

3. Remove hex head cap screws (124a) from low

power temperature control module.

4. Remove low power module (124).

5. Remove four socket head cap screws (119).

6. Remove base module (125).

Install New Low Power Temperate Control Module

7. Use four socket head cap screws (119) to install

base module (125) onto enclosure back

panel (120).

8. Use two hex head cap screws (124a) to install low

power module (124) onto base module (125).

9. Change rotary switch position on new low power

temperature control module. See Adjust Rotary

Switch on page 7.

10. Reconnect CAN cables (113, 130) and power

cables.

Connect 3-wire Module Power

FIG. 2

ti12703a

124a

124

119

125

120

Connecting the power must be performed by a quali-

fied electrician. The equipment must be grounded.

Grounding reduces the risk of static and electric shock

by providing an escape wire for the electrical current

due to static build up or in the event of a short circuit.

The wire with insulation having an outer surface that is

green with or without yellow stripes is the grounding

wire.

FIG. 3: Breaker Numbering

141

116

141a

ti12627b

Main Power

Breaker

Installation

312761B 7

There is one breaker for each heated hose or heated

tank. The lower number breakers are used for the

heated tanks if installed. See FIG. 3. For example, if

there are two heated tanks installed and two heated

hoses, breakers #1 and #2 are used for the heated

tanks and breakers #3 and #4 are used for the heated

hoses. If there is one heated tank and one heated hose,

then breaker #1 is used for the heated tank and breaker

#2 is used for the heated hose. Each breaker has a dif-

ferent rating so it is important that the correct breaker is

used.

The 3-wire module power is connected in the Heat Con-

trol box at the factory. The power cord (118) for each low

power temperature control module has a connector on

one end and three power leads on the other. The three

power leads must be connected to the appropriate

breaker (114) and ground terminal (116).

1. Connect the power cord connector to the low power

temperature control module.

2. Connect the green wire to any unused ground termi-

nal block (116).

3. Find the breaker with the same number as the mod-

ule as shown in FIG. 3 on page 6 and FIG. 6 on

page 9.

4. Connect the black and white wires to the

breaker (141) labeled with the same number as the

module. The black and white wires can connect to

either terminal (141a) in the same breaker (141).

Adjust Rotary Switch

The rotary switch setting indicates which zone number

the low power temperature control module will control in

the system. The low power temperature control module

uses a 16-position rotary switch.

Set the rotary switch (S) to the specific selection accord-

ing to the settings listed in the following table.

Low Power Temperature Control Module

Rotary Switch Settings

The rotary switch setting must only be adjusted on

new low power temperature control modules after

installation.

FIG. 4

The modules must always be set to the zone num-

ber shown on the label above the module.

Switch

Setting Zone

Low Power Temperature Control Module

Rotary Switch Location

ti12361a

Setup

8312761B

Setup

Cable Connections

1 Overtemperature Switch Connection

2 RTD Temperature Sensor Connection

3 Output Power Connection

4 DC Output Connection

5 Input Power Connection

6 CAN Connections

7Base

The overtemperature switch connection (1), RTD tem-

perature sensor connection (2), and output power

connection (3) connect to the respective components of

a temperature control option. The display module must

be updated to specify which zone number is used with

which temperature control option. See the PR70 and

PR70v Operation manual referenced at the beginning of

this manual for more information.

FIG. 5: Low Power Temperature Control Module Cable Connections

ti12356a ti12357a

Setup

312761B 9

Data Cable Connections

The low power temperate control modules must be con-

nected together using the female-female CAN

cables (130) as shown in FIG. 6. Then they must be con-

nected to the display module using the female-male

CAN cable (113).

FIG. 6: Data Cable Connections

113

130

ti12625a

130

Operation

10 312761B

Operation

See the PR70 and PR70v Operation manual referenced

at the beginning of this manual for operating instruc-

tions.

Maintenance

Install Upgrade Token

1. Ensure system is inactive and control power is on.

2. Remove access cover (C).

3. Insert and press token (T) firmly into slot.

4. Press and hold the left red token upload button (M)

for three seconds. The red indicator light (L) will

flash up to three seconds after the software is

uploaded.

5. Remove token (T).

6. Replace access cover (C).

7. Repeat procedure for all low power temperature

control modules.

8. Turn machine power off then on after all modules

are upgraded.

Clean

Keep heat sink fins clean at all times. Wipe the fins

clean with a dry cloth or clean them using compressed

air.

FIG. 7: Remove Access Cover

There is no preferred orientation of token.

FIG. 8: Install Token

ti12358a

ti12359a

Do not use conductive cleaning solvents on the low

power temperature control modules.

FIG. 9: Clean Heat Sink Fins

ti12357a

Heat Sink Fins

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