Simply Engineered Better

Technical Manual

Undercounter

Dishwasher

Model

401-HTM2 PLUS

401-HTNM2 PLUS

401-LTM2 PLUS

Machine Serial No.

September, 2003

2674 N. Service Road

Jordan Station, Ontario, Canada L0R 1S0

Moyer Diebel, Ltd.

905/562-4195

Manual P/N

0510645

Fax: 905/562-4618

Complete the information below so it will be available for quick reference.

Model Number __________________________ Serial Number ________________________

Voltage and Phase ______________________________________________________________

Moyer Diebel Parts Distributor _______________________________ Phone _____________

(if applicable)

_____________________________________________________________________________

Moyer Diebel Service Agency ________________________________ Phone _____________

_____________________________________________________________________________

Moyer Diebel Service:

Moyer Diebel Limited

Phone: 1-905-562-4195

Fax:

1-800-263-5798

1-905-562-4618

NOTE: When calling to order parts, be sure to have the model number, serial number, voltage, and phase of your machine, along with your customer account number.

COPYRIGHT © 2003 by Moyer Diebel

Revision History

Revision

Date

7/16/03

Revised

Pages

All

Serial Number

Effectivity

Comments

Issue of manual and replacement parts lists.

REVISIONS

THIS PAGE

INTENTIONALLY

LEFT BLANK

CONTENTS

CONTENTS

Page

INTRODUCTION ....................................................................................................................................... 1

WARRANTY .............................................................................................................................................. 2

GENERAL .................................................................................................................................................. 3

INSTALLATION ........................................................................................................................................ 5

Unpacking ............................................................................................................................................ 5

Electrical Connections.......................................................................................................................... 5

Plumbing Connections ......................................................................................................................... 6

Detergent .............................................................................................................................................. 6

Rinse-Aid ............................................................................................................................................. 6

Chemical Sanitizer ............................................................................................................................... 6

Completing Installation ........................................................................................................................ 7

OPERATION .............................................................................................................................................. 8

Operation Summary ............................................................................................................................. 8

Operation Procedures ........................................................................................................................... 8

MAINTENANCE........................................................................................................................................ 10

Cleaning Schedule................................................................................................................................ 10

Deliming............................................................................................................................................... 11

Deliming Process.................................................................................................................................. 11

Maintenance Schedule.......................................................................................................................... 12

TROUBLESHOOTING .............................................................................................................................. 13

REPLACEMENT PARTS........................................................................................................................... 15

ELECTRICAL DIAGRAMS ...................................................................................................................... 39

TIMER CHARTS AND DIAGRAMS ........................................................................................................ 44

LIST OF FIGURES

Figure 1—Track and Panel Assembly......................................................................................................... 16

Figure 2—Door and Switch Assembly........................................................................................................ 18

Figure 3—Tank/Drain Assembly ................................................................................................................ 20

Figure 4—Pump Assembly ......................................................................................................................... 22

Figure 5—Wash System Assembly............................................................................................................. 24

Figure 6—Booster Assembly and Water Inlet Piping (HT PLUS Only) .................................................... 26

Figure 7—Water Inlet Piping (HTN PLUS, LT PLUS Only)..................................................................... 28

Figure 8—Fill System ................................................................................................................................. 30

CONTENTS

Figure 9—Detergent Pump Assembly......................................................................................................... 32

Figure 10—Sanitizer/Rinse-Aid Pump Assembly....................................................................................... 34

Figure 11—Control Panel Assembly........................................................................................................... 36

Figure 12—Electrical Diagram, 401-HT PLUS .......................................................................................... 40

Figure 13—Electrical Diagram, 401-HTN PLUS ....................................................................................... 41

Figure 14—Electrical Diagram, 401-LT PLUS .......................................................................................... 42

Figure 15—Timer Chart and Diagram, 401-HT PLUS............................................................................... 43

Figure 16—Timer Chart and Diagram, 401-LT PLUS ............................................................................... 44

INTRODUCTION

INTRODUCTION

Welcome to Moyer Diebel.

Thank you for choosing Moyer Diebel and for allowing us to take care of your dishwashing needs.

This manual covers several models. Model numbers are shown on the front cover.

Your machine has been completely assembled, inspected, and thoroughly tested at our factory to eliminate problems at installation before it was shipped to your installation site. This manual provides:

• Warranty information

•

•

•

•

Installation and operation procedures

Maintenance instructions

Troubleshooting guide

Replacement parts lists.

Complete and return your warranty registration card as soon as possible.

Moyer Diebel constantly improves its products; therefore, specifications contained in this manual may have changed.

For your protection, factory authorized parts should always be used.

Replacement parts may be ordered from your Moyer Diebel authorized parts distributor or service agency. When ordering parts, supply the model number, serial number, voltage and phase of your machine, the part number, part description, and quantity.

1

WARRANTY

2

LIMITED WARRANTY

Champion Industries/Moyer Diebel Limited, P.O. Box 4183, Winston-Salem, North Carolina 27115, and P. O. Box 301, 2674

North Service Road, Jordan Station, Ontario, Canada L0R 1S0 warrants machines, and parts, as set out below.

Warranty of Machines: Champion Industries/Moyer Diebel Limited warrants all new machines of its manufacture bearing the name “Champion” or "Moyer Diebel" and installed within the United States and Canada to be free from defects in material and workmanship for a period of one (1) year after the date of installation or fifteen (15) months after the date of shipment by Champion/Moyer Diebel, whichever occurs first. [See below for special provisions relating to Model Series DF and SW.] The warranty registration card must be returned to Champion/Moyer Diebel within ten (10) days after installation.

If warranty card is not returned to Champion/Moyer Diebel within such period, the warranty will expire after one year from the date of shipment.

Champion/Moyer Diebel will not assume any responsibility for extra costs for installation in any area where there are jurisdictional problems with local trades or unions.

If a defect in workmanship or material is found to exist within the warranty period, Champion/Moyer Diebel, at its election, will either repair or replace the defective machine or accept return of the machine for full credit; provided, however, as to

Model Series DF and SW, Champion/Moyer Diebel's obligation with respect to labor associated with any repairs shall end

(a) 120 days after shipment, or (b) 90 days after installation, whichever occurs first. In the event that Champion/Moyer

Diebel elects to repair, the labor and work to be performed in connection with the warranty shall be done during regular working hours by a Champion/Moyer Diebel authorized service technician. Defective parts become the property of

Champion/Moyer Diebel. Use of replacement parts not authorized by Champion/Moyer Diebel will relieve Champion/

Moyer Diebel of all further liability in connection with its warranty. In no event will Champion/Moyer Diebel's warranty obligation exceed Champion/Moyer Diebel's charge for the machine. The following are not covered by Champion/Moyer

Diebel's warranty: a. Lighting of gas pilots or burners.

b. Cleaning of gas lines.

c. Replacement of fuses or resetting of overload breakers.

d. Adjustment of thermostats.

e. Adjustment of clutches.

f.

Opening or closing of utility supply valves or switching of electrical supply current.

g. Adjustments to chemical dispensing equipment.

h. Cleaning of valves, strainers, screens, nozzles, or spray pipes.

i.

Performance of regular maintenance and cleaning as outlined in operator’s guide.

j.

Damages resulting from water conditions, accidents, alterations, improper use, abuse, tampering, improper installation, or failure to follow maintenance and operation procedures.

Examples of the defects not covered by warranty include, but are not limited to: (1) Damage to the exterior or interior finish as a result of the above, (2) Use with utility service other than that designated on the rating plate, (3) Improper connection to utility service, (4) Inadequate or excessive water pressure, (5) Corrosion from chemicals dispensed in excess of recommended concentrations, (6) Failure of electrical components due to connection of chemical dispensing equipment installed by others, (7) Leaks or damage resulting from such leaks caused by the installer, including those at machine table connections or by connection of chemical dispensing equipment installed by others, (8) Failure to comply with local building codes, (9) Damage caused by labor dispute.

Warranty of Parts: Champion/Moyer Diebel warrants all new machine parts produced or authorized by Champion/Moyer

Diebel to be free from defects in material and workmanship for a period of 90 days from date of invoice. If any defect in material and workmanship is found to exist within the warranty period Champion/Moyer Diebel will replace the defective part without charge.

DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY. CHAMPION/MOYER DIEBEL'S

WARRANTY IS ONLY TO THE EXTENT REFLECTED ABOVE. CHAMPION/MOYER DIEBEL MAKES NO

OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF

MERCHANTABILITY, OR FITNESS OF PURPOSE. CHAMPION/MOYER DIEBEL SHALL NOT BE LIABLE

FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. THE REMEDIES SET OUT ABOVE ARE THE EXCLU-

SIVE REMEDIES FOR ANY DEFECTS FOUND TO EXIST IN CHAMPION/MOYER DIEBEL DISHWASHING

MACHINES AND CHAMPION/MOYER DIEBEL PARTS, AND ALL OTHER REMEDIES ARE EXCLUDED,

INCLUDING ANY LIABILITY FOR INCIDENTALS OR CONSEQUENTIAL DAMAGES.

Champion/Moyer Diebel does not authorize any other person, including persons who deal in Champion/Moyer Diebel dishwashing machines, to change this warranty or create any other obligation in connection with Champion/Moyer Diebel

Dishwashing Machines.

rev. 8699

GENERAL

GENERAL

This manual covers the Moyer Diebel 401PLUS undercounter dishwashing machine. This machine is fully automatic and is equipped with a 1/2 H.P. pump motor. All models are available for mounting directly to the floor or on optional stands (see accessories listed on page 4).

Standard equipment includes:

-Automatic tank fill

-Common utility connections

-120 Volt control circuit

-Convenient, easy to use controls

-Door latch activated start switch

-Pumped drain (to 3 ft/1m) (vertical)

-Final rinse sentry feature (high temp models only)

-Upper and lower spray arms

-Two dish racks (peg and flat)

-Exclusive vent design for venting of condensation

-Stainless steel heavy-gauge construction

-Detergent and rinse aid pumps

This series of dishwahers is available in he following models:

Model Numbers

401-HT PLUS, 401-HTN PLUS, 401-LTPLUS

• The 401-HT PLUS model is a high temperature (82°C/180°F rinse) sanitizing model with booster and the final rinse sentry feature.

• The 401-HTN PLUS model is a high temperature (customer supplied 82°C/180°F rinse water) sanitizing model without booster.

• The 401-LT PLUS model is a low temperature (60°C/140°F rinse) sanitizing model.

Options

• Kit 504 - Top and side panels (P/N 0708756)

• Kit 505 - Top panel only (P/N 0708744)

• Kit 506 - Left side panel only (P/N 0708745)

• Kit 507 - Right side panel only (P/N 0708746)

• Kit 510 - Extended reach pumped drain kit (P/N 0708766)

• Kit 511 - 30°C/70°F temperature rise booster (P/N 0708753)

(for 49°C/110°F supply water).

3

GENERAL

Accessories

• 17RS - 17" rack stand (raises working height and adds rack storage)

• 17T - 17" cabinet (raises working height and adds storage)

• CST - Combination sink/table (scraping and sorting station)

• 101285 - Dish Rack (Peg Rack)

• 101273 - Silverware Rack (Flat Bottom Rack)

Electrical Power Requirements

Model Voltage

Booster

Rise

Machine Power Requirement

Full Load Amp (125% Service Factor)

401-LT PLUS

401-HTN PLUS

115/60/1

115/60/1

N/A

N/A

9

9

15

15

401-HT PLUS

401-HT PLUS

401-HT PLUS

401-HT PLUS

208/60/1

240/60/1

208/60/1

240/60/1

40

40

70

70

33

37

45

51

42

47

57

64

NOTE:

208-230V/60Hz/1PH electrical supply service must be a 3-wire plus ground for connection as shown.

00036

—3-Wire Plus Ground Diagram 115v

L

1

208-230

L

2

115v

N G

4

INSTALLATION

INSTALLATION

!

Unpacking

WARNING:

Care should be taken when lifting the machine to prevent damage.

1. Immediately after unpacking your machine, inspect for any shipping damage. If damage is found, save the packing material and contact the carrier immediately.

2. Remove the dishwasher from the skid. Adjust the feet if required, then move the machine to its permanent location.

3. Level the machine (if required) by placing a level on the top of the machine and adjusting the feet. Level the machine front-to-back and side-to-side.

!

CAUTION:

After locating your machine, the installation must meet local health codes. An example may be to seal your machine to the floor using a good grade of silicone sealant.

Electrical Connections

!

!

WARNING:

Electrical and grounding connections must comply with the National Electrical Code and/or Local Electrical Codes.

WARNING:

When working on the dishwasher, disconnect the electric service and tag it to indicate work is being done on that circuit.

1. The electrician should compare the electrical specifications on the machine electrical rating label (located on the lower left front panel) to the electrical power supply before connecting the machine to the incoming service at a fused disconnect switch.

NOTE:

The 208-240V/60Hz/1PH electrical supply service for this machine must be a

3-wire plus ground service.

2. On the 208V-240V models, a terminal block is provided on the left front side of the machine (located behind the front panel) for electrical service connections. A fused disconnect switch or circuit breaker (supplied by user) is required to protect each power supply circuit.

3. On 115V models, your machine is already equipped with a 4-foot power cord and plug suitable for 115V-15A service.

5

6

INSTALLATION

Plumbing Connections

!

CAUTION:

Plumbing connections must comply with local sanitary and plumbing codes.

Water Connections

1. Connect the hot water supply (60°C/ 140°F Min) to the 1/2" I.D. fill hose provided. The fill

solenoid valve is equipped with a flow control that will accept water pressures from 172 kPa/25 psi to 665 kPa/95 psi.

2. Install a manual shut-off valve with 3/4" garden hose connection in the water supply line close to the machine to accommodate installation and servicing the machine. The shut-off valve should be the same size or larger than the supply line.

3. The fill solenoid valve is equipped with a built-in strainer to protect from particles in the water supply.

Drain Connections

1. All Models are supplied with a flexible 5/8" I.D. drain hose, which must be connected to a

1-1/2" drain using a wye (Y) fitting close to the machine.

2.

Drain connections height should be a maxium of 3 feet from the from the floor.

Detergent/Chemicals

Use a qualified detergent/chemical supplier for your detergent, rinse aid, and chemical sanitizer needs.

1.

Your machine has a liquid detergent dispensing pump. Insert the labeled detergent pickup tube into the detergent container. The pickup tube has a strainer on the end to prevent crystallized chemical from clogging the supply lines.

2.

The cycle timer located in the main control cabinet is equipped with adjustable cams for the chemical dispensing pump(s). The cams control the length of time that the pumps operate.

A qualified person may adjust the cam settings if necessary. Refer to the timer chart diagram(s) at the end of the manual for timer cam locations. Factory time settings are only approximate. Have your chemical supplier check the concentration and make the necessary adjustments.

NOTE:

A nonchlorinated detergent is recommended for your dishwasher.

Rinse Aid

1.

A rinse aid pump is included on all models. Insert the labeled Rinse Aid pickup tube into the rinse aid container. Contact your chemical supplier for adjustment to ensure proper dosage.

Chemical Sanitizer

1.

Model 401-LT PLUS is supplied with chemical sanitizer dispensing pump. Insert the labeled Chemical Sanitizer pickup tube into the chemical sanitizer container. Have your chemical supplier set chemical dosage according to local code.

2.

Contact your chemical supplier for adjustment of the chemical sanitizer to ensure proper dosage.

INSTALLATION

Completing Installation

1.

Remove any foreign material from inside the machine.

2.

Center the scrap screen over the sump opening.

3.

Prime the booster using the following procedure (if applicable).

!!

CAUTION:

To prime the booster, the folowing procedure must be followed AFTER the electrical and plumbing connections have been made.

a. Remove the front panel.

b. Locate the Installation and Service toggle switch on the extreme left side of of the control box.

c. Press the toggle switch to the Booster Fill position and hold it approximately

1 minute (or until water enters wash tank).

d. Release the toggle switch to stop the water flow.

e. You have complete the booster priming process.

NOTE:

Push the Installation and Service toggle switch to the ON position.

Electrical power is now supplied to the machine.

!!

WARNING:

Failure to prime the booster may cause damage to the booster elements and other electrical components and will void the warranty,

4. After plumbing and electrical connections are completed, check the machine for water leaks by depressing the ON/FILL/OFF/DRAIN to the ON/FILL position, then close and latch the door. This allows the tank to fill and complete the rinse cycle. Check for leaks.

4. Open the door and check the water level. The water level should be 1/2" over the scrap screen.

5.

Depress the ON/FILL/OFF/DRAIN switch to the OFF/DRAIN position, close and latch the door to drain the machine. This allows the machine to complete the 105-second wash and drain cycle. Check the drain plumbing for leaks or kinks in drain hose.

6. Replace the front panel. Installation is now complete.

7

8

OPERATION

OPERATION

Operation Summary

The following is a summary of your Undercounter Dishwashing Machine operating cycle:

1. The cycle begins when you close and latch the door.

2. The green cycle lamp lights and the wash pump starts.

3. The pump runs during the wash cycle for approximately 80 seconds. The wash cycle duration is extended if the booster is not up to temperature.

4. The wash pump stops, and the drain valve is opened.

5. After a 2-3 second pause, the pump drain cycle begins and continues for approximately 30 seconds. Just before this cycle ends the fill valve will come on for 2-3 seconds to flush the wash tank of any remaining detergent.

6. After a 2-3 second pause, the fill valve opens, and the pump starts for the rinse cycle.

7. Within approximately 25 seconds, the rinse cycle is complete. The pump stops, the green cycle lamp turns off, and the cycle is complete.

8. Open the door and remove the rack of clean ware.

Daily Operation Procedures

The operation of your dishwasher will be more efficient when these procedures are followed:

1. Check that the spray arm and scrap screen are in place.

2. Close and latch the door. Push the ON/FILL switch to the ON position. The tank will begin filling with water. This procedure is followed only when the tank is empty.

3. When the tank is full, check the wash tank temperature gauge. Minimum wash temperatures are:

• 401-HT PLUS, 401-HTN PLUS - 66°C/150°F.

• 401-LT PLUS - 60°C/140°F.

!

CAUTION:

If the wash water temperature falls below the minimums listed above, you must run an empty cycle to refill with fresh hot water.

4. Scrap and preflush all items to be washed, and load the items into the rack. DO NOT

OVERLOAD the rack. Wash only one layer of silverware in a rack.

5. Open the door and insert the rack into the machine.

6. Close and latch the door. This will start the wash cycle. The green cycle lamp located on the front control panel will light. This lamp will remain on until the entire wash and rinse cycles are completed.

OPERATION

NOTE:

The machine may be stopped at any time by opening the door. When restarted, the cycle does not start over. It will continue from the point at which it was interrupted.

7. Check the rinse temperature during the final rinse (120 seconds into cycle). The rinse temperature must be 82°C/180°F minimum for models 401-HT PLUS, 401-HTN PLUS and 60°C/140°F for model 401-LT PLUS.

8. The pump will automatically stop and the green cycle light will turn off indicating the cycle is completed.

9. Open the door and remove the rack.

10.

Repeat steps 4-9 for additional cycles. Machine operation is automatic.

11. CLEAN the scrap screen after every meal period. During heavy usage, the scrap screen should be cleaned more frequently.

!

CAUTION:

Poor machine performance and/or damage to the machine can occur if the scrap screen becomes clogged with soil or waste particles.

12. To drain water out of the tank at the end of each day. Flip ON/FILL/OFF/DRAIN switch to

DRAIN position. Close and latch door. Machine will drain completely in approximately

105 seconds.

!

CAUTION:

DO NOT LEAVE WATER IN THE TANK OVERNIGHT. Water left in the tank overnight will allow harmful chemicals to deteriorate the tank.

9

MAINTENANCE

MAINTENANCE

The efficiency and life of your machine is increased by regularly scheduled preventive maintenance. A well maintained machine gives better results and service. An investment of a few minutes of daily maintenance will be worthwhile.

The best maintenance you can provide is to keep your machine clean. Components that are not regularly cleaned and flushed will clog and become inoperative.

Intervals shown in the following schedules represent an average length of time between necessary maintenance. Maintenance intervals should be shortened whenever your machine is faced with abnormal working conditions, hard water, or multiple shift operations.

Cleaning Schedule

• Daily-Every 8 Hours latch the door to drain the tank.

2. Open the door and remove the upper and lower spray arms by unscrewing the knurled fastener.

3. Remove the scrap screen carefully to keep soil or waste particles from falling into the sump. Remove any material caught in pump intake.

4. Clean inside the tank with clean water. Backflush the scrap screen until it is clean. Do not strike the screen against solid objects.

5. Clean the wash arms to remove any debris from spray openings. Do not strike the spray arms against solid objects.

6. Reinstall the scrap screen and spray arms.

7. Leave the door open overnight to allow drying.

8. Report any unusual conditions to your supervisor.

• Meal Periods

1. Clean the scrap screen after every meal period and more frequently during heavy usage. Do not allow the scrap screen to become clogged with soil or waste particles.

10

MAINTENANCE

Maintenance Schedule

1. Check the temperature gauge reading to make sure that it is accurate.

2. Check the chemical supplies and refill as necessary.

• Weekly

1. Inspect all water lines for leaks and tighten them at joints if required.

2. Clean all detergent residue from the exterior of the machine.

3. Check the drain for leaks.

4. Remove and closely inspect the spray arms for blockage.

5. Check for damage to the scrap screen. Ineffective screening can cause wash system failures, or poor washing results.

6. Clean the detergent, sanitizer, and rinse aid supply tubes. Complete the following procedure: a. Remove the detergent, sanitizer, and rinse aid pick-up tube(s) from the container(s). Place the tube(s) into a container of hot water.

b. Ensure ON/FILL/OFF/DRAIN switch is in the ON position depress and hold the DET prime switch (located on the front panel) until clear water enters the tank through the fill air gap (located on the right side of the tank).

c. Your machine is equipped with a sanitizer and/or rinse aid pump, follow the same procedure by pressing the SANITIZER and/or the RINSE AID prime switch until clear water enters the tank through the fill air gap.

d. When completed, remove the pickup tubes from the hot water and reinsert them into the correct chemical containers. Repeat the priming procedures to ensure that chemicals have filled the tubes for the next operating period.

e. Run a complete cycle to flush chemicals from the tank.

11

MAINTENANCE

Deliming

Your dishwasher should be delimed regularly. The frequency will depend on the mineral content of your water.

Inspect your machine interior for lime deposits. If deliming is required, a deliming agent should be used for best results.

!

DANGER:

Deliming solution or other acids must not come in contact with household bleach (sodium hypochlorite) or any chemicals containing chlorine, iodine, bromine, or fluorine. Mixing will cause hazardous gases to form. Skin contact with deliming solutions can cause severe irritation and possible chemical burns. Consult your chemical supplier for specific safety precautions.

If you have the chemical sanitizing model (401-LT PLUS), carefully follow the following procedure before deliming:

1. Remove the sanitizer tube from the container. Place the tube into a container of hot water.

2. Depress and hold the SANITIZER prime switch (located on the front panel) until all sanitizer has been purged from the hoses.

3. Close the door and depress the door latch. Complete two operating cycles to purge the machine of all sanitizer.

Deliming Procedure

Complete the following procedure to delime your machine:

1. Add the delime chemical to wash the tank (per chemical supplier specifications).

2. Close and latch the door.

3. The dishwasher will complete a regular cycle.

4.

Check the deliming results and repeat if necessary per the chemical supplier’s specifications.

5.

Operate the dishwasher for at least four complete cycles to purge the machine of any deliming chemicals.

6.

Drain the dishwasher. Deliming is complete.

12

TROUBLESHOOTING

TROUBLESHOOTING

Before determining any specific cause of a breakdown or abnormal operation of your dishwasher, check that:

1. Power supply is turned on. All switches are ON.

2. Wash arms are clean.

3. Scrap screen is properly positioned and clean.

4. Thermostat is at the correct setting.

5. Sanitizer, detergent, and rinse additive dispensers are adequately filled.

6. All plumbing valves are open and drain hose is not kinked.

If a problem still exists, use the following table for troubleshooting.

CONDITION

Machine will not start

CAUSE

Door not closed and latched . . . . . . . .

Main switch off, or unit unplugged . .

Low or no water

Chemical not feeding

Main water supply is turned off . . . .

Water level setting low. . . . . . . . . . . .

No chemical in container . . . . . . . . . .

Feed tubes to/from chemical . . . . . . . pump clogged

Screen on feed tube clogged. . . . . . . .

Tubing kinked or split . . . . . . . . . . . .

Water temperature is low when in use

Insufficient pumped spray pressure

Incoming water temperature. . . . . . . . at machine too low

Clogged spray arms . . . . . . . . . . . . . .

Scrap screen full . . . . . . . . . . . . . . . . .

Low final rinse temperature Low incoming water. . . . . . . . . . . . . . temperature

Poor washing results

SOLUTION

Make sure door is fully latched

Check disconnect or plug into outlet

Turn on house water supply

Adjust water level

Replace or fill container

Clear obstruction and flush with hot water

Clean and replace

Straighten or replace tubing

Raise house supply temperature to

60°C/140°F for all machines

Clean

Must be kept clean and in place

Check the booster - be sure the thermostat is set to maintain 66°C/180°F temperature (401-L PLUS is 60°C/140°F)

(Check all valves to be sure they are clean and operating)

Contact service agent Detergent dispenser not . . . . . . . . . . . operating properly

Insufficient detergents . . . . . . . . . . . .

No water in wash well

No water in wash tank after activating the

ON/FILL switch

Cycle time increases with each cycle

Detergent setting too low . . . . . . . . .

Wash water temperature too low . . . .

Wash arms clogged . . . . . . . . . . . . . .

Improperly scraped dishes . . . . . . . . .

Ware being improperly. . . . . . . . . . . . placed in rack

Improperly cleaned . . . . . . . . . . . . . . equipment

Opening door prior . . . . . . . . . . . . . . . to cycle completion

Water supply is turned off . . . . . . . . .

Door not latched . . . . . . . . . . . . . . . . .

Check dosage

Check and fill

Contact detergent supplier

Contact detergent supplier

See above booster temperatures, run cycle

Clean wash arms

Check scraping procedures

Use proper racks - do not overload racks

Unclog wash arms to maintain proper pressure and flow conditions

Close and latch door. Wait for green light to go out before opening door.

Turn on supply

Latch door

Wait for wash tank to fill

Incoming water temperature. . . . . . . . Raise temperature to 60°C/140°F for all is too low machines.

13

THIS PAGE

INTENTIONALLY

LEFT BLANK

REPLACEMENT PARTS

REPLACEMENT

PARTS

15

REPLACEMENT PARTS

12

12

9

8

12

11

00050

10

7

3

5

6

4

2

1

Figure 1 — Track and Panel Assembly

16

REPLACEMENT PARTS

Fig. 1 Part

Item No.

No.

7

8

5

6

3

4

1

2

10

11

9

9

12

0508751

0309572

0501413

0501415

0308632

0308631

0708647

0308736

0308734

0309573

0308737

0308735

0501412

TRACK AND PANEL ASSEMBLY

Description

Screw, 10-32 x 1-1/2" Lg. Truss Head .......................................

Front Panel .................................................................................

Screw, 10-32 x 3/8" Lg. Round Head.........................................

Screw, 10-32 x 5/8" Lg. Round Head.........................................

Track, RH ...................................................................................

Track, LH ...................................................................................

Cover, Vent .................................................................................

Panel, LH Side ...........................................................................

Panel, Rear (HT PLUS) .............................................................

Panel, Rear (LT PLUS, HTN PLUS)..........................................

Panel, RH Side ..........................................................................

Panel, Top ..................................................................................

Screw, 10-32 x 3/8" Lg. Truss Head...........................................

Qty

2

1

1

1

2

4

2

1

1

1

1

1

10

17

REPLACEMENT PARTS

18

00020

3

1

11

4

5

1

6

7 8

10

9

1

2

18

12

13 14

15

16

17

15

Figure 2 — Door and Switch Assembly

REPLACEMENT PARTS

Fig. 2 Part

Item No.

No.

13

14

15

16

9

10

11

12

17

18

-

7

8

5

6

3

4

1

2

0501412

0308596

0308597

0508721

0709462

0509436

0508545

104883

0709431

111090

0508544

0508543

0501539

0503715

0501421

0708564

0501501

0708527

0508555

0708526

DOOR AND SWITCH ASSEMBLY

Description

Screw, 10-32 x 3/8" Truss Head .................................................

Plate, Door Latch........................................................................

Handle, Door Latch ....................................................................

Retaining Ring, Plunger .............................................................

Assembly, Door Catch (Includes items 4, 6)..............................

Plunger, Door Catch ...................................................................

Gasket, Steam.............................................................................

Screw, Round Head (6-32 x 3/8") ..............................................

Plate, Door Switch......................................................................

Switch, Door Magnetic Reed .....................................................

Gasket, Upper Door....................................................................

Gasket, Side Door ......................................................................

Nut, Plain 1/4-20 ........................................................................

Spring, Door Hinge ....................................................................

Bolt, 1/4-20 x 1-1/4" Hex Head .................................................

Arm, Door Hinge........................................................................

Washer, Lock 1/4" Split .............................................................

Door............................................................................................

Wiring, Harness, Door Switch ...................................................

Door Assy. (includes items 1-6, 18)

Qty

4

2

2

2

1

2

1

1

2

1

1

2

2

1

1

1

1

6

1

19

REPLACEMENT PARTS

1

00037A

20

TO RINSE 9

10

11

12

19

14

2

13

14

TO DRAIN

7

6

6

5

8

Figure 3 — Tank/Drain Assembly

4

TO PUMP

DRAIN

THERMOMETER

(CALLED OUT IN

CONTROL BOX)

REPLACEMENT PARTS

Fig. 3 Part

Item No.

No.

9

10

11

12

13

14

7

8

5

6

3

4

1

2

0508628

201029

0501836

0508872

0507265

0510082

0509302

0306618

0508578

104414

0508579

0308655

110562

108954

TANK/DRAIN ASSEMBLY

Description

Scrap Screen ...............................................................................

Locknut, 1/2 NPT Nickel-Plated ................................................

O-Ring, Thermometer ................................................................

Adapter, Thermometer ...............................................................

Hose, 5/8" ID x 7/8" OD PVC Braided (3 ft.) ..............................

Clamp, hose ................................................................................

Hose 5/8" ID x 1" OD Braided PVC..........................................

Valve, Drain................................................................................

Adapter, Pump Tube...................................................................

O-ring .........................................................................................

Nut, Jam 1"-8 .............................................................................

Tube, Pump Outlet .....................................................................

Thermostar, High Limit..............................................................

Nut, Grip 6-32 w/Nylon Insert ...................................................

Qty

1

1

1

1

1

2

1

1

2

2

2

1

1

1

21

REPLACEMENT PARTS

2

11

1

3

8

9

10

5

6

4

7

13

14

00005

12

TANK

BOTTOM

Figure 4 — Pump Assembly

22

REPLACEMENT PARTS

Fig. 4 Part

Item No.

No.

13

14

*-

-

9

10

11

12

7

8

5

6

3

4

1

2

0508542

0501431

0501425

0508793

0502741

0502704

0502746

0502745

0502703

0502744

0502743

0501881

0508665

0508570

0710071

107966

PUMP ASSEMBLY

Description

Spindle, Lower Wash Arm .........................................................

Screw, 8-32 x 1-1/8" Round Head..............................................

Screw, 8-32 x 5/8" Round Head .................................................

Housing, Top .............................................................................

Diffuser.......................................................................................

Impeller ......................................................................................

Adapter Plate, Suction................................................................

Plate, Drain lnlet.........................................................................

O-ring .........................................................................................

Propeller/Rotating Seal Assembly .............................................

Mounting Plate/Seal Assembly (Includes Item 10)....................

Gasket, Pump .............................................................................

Screw, 10-32 x 5/8" Hex Washer Head ......................................

Washer, Sealing Teflon...............................................................

Pump/Motor Assembly (60 Hz) (115V).....................................

Nut, Grip 10-32, SST (Not Shown) (For mounting Item 1).......

Qty

1

1

8

8

1

1

1

1

1

1

1

1

4

1

1

4

* Motor not available as a separate repair part

23

REPLACEMENT PARTS

00038A

3

2

TOP OF

HOOD

4

5

6

7

8

10

11

12

9

10

13

PUMP

TANK BOTTOM

FROM

PUMP

2

Figure 5 — Wash System Assembly

1

24

REPLACEMENT PARTS

WASH SYSTEM ASSEMBLY

Fig. 5 Part

Item No.

No.

7

8

5

6

3

4

1

2

9

10

11

12

13

Description

0508549

0502563

0708650

0503588

Hose, Upper Wash ......................................................................

Clamp, Hose 1" ..........................................................................

Spindle, Upper Wash Arm..........................................................

O-ring, 1-1/8" x 1-3/8" ...............................................................

0501412

0508541

Screw 10-32 x 3/8 Truss Head ...................................................

Bushing, Upper Wash Arm ........................................................

0710593 Wash Arm, Upper.......................................................................

0505042 Pivot, Upper Wash Arm .............................................................

0308783

0501563

0501684

0705049

0508540

Retainer, Upper Pivot .................................................................

Screw, #8 x 3/8 Truss Head ........................................................

Nut, Spray Arm Lock .................................................................

Wash Arm, Lower ......................................................................

Bushing, Lower Wash Arm ........................................................

Qty

1

1

3

1

1

1

1

2

1

1

1

2

1

25

REPLACEMENT PARTS

26

FROM FILL VALVE

Figure 6 — Booster Assembly and Water Inlet Piping

(HT PLUS Only)

REPLACEMENT PARTS

BOOSTER ASSEMBLY AND WATER INLET PIPING

(HT PLUS ONLY)

Fig. 6 Part

Item No.

No.

13

14

15

16

9

10

11

12

---

---

---

7

8

5

6

3

4

1

2

Description

0503679

0509214

0502653

0508840

0501419

0501501

108954

110562

0509042

107417

0508817

109985

111235

111233

0501539

107908

Clamp, hose ................................................................................

Hose, 1/2" I.D.............................................................................

Elbow, 3/8 MPT X1/2 Hose x 90°..............................................

Bushing, reducing 3/4 NPT x 3/8 NPT Brass ............................

Bolt., 1/4-20 x 1/2" Hex Head....................................................

Washer, Lock 1/4" Split..............................................................

Nut, Grip 6-32 w/Nylon Insert ...................................................

Thermostat, high limit ................................................................

Tank, booster (tank only)............................................................

Hose 1/2" I.D. (28") ...................................................................

Plug, pipe 1/8" ............................................................................

O ring, gasket .............................................................................

Heater element, 6KW (40° rise) 208/230V 1PH........................

Heater element, 9KW (70° rise) 208/230V 1PH........................

Nut, plain 1/4-20 ........................................................................

Cover, heater element .................................................................

110997 Wire, Jumper Heater Element (Not Shown)...............................

0307356 Insulation, Heater Terminal (Not Shown) ..................................

0508937 Label, Cover Warning (Not Shown)...........................................

Qty.

1

1

1

1

1

1

1

1

A/R

1

1

2

1

2

5

2

3 ft.

1

2

27

REPLACEMENT PARTS

28

Figure 7 — Water Inlet Piping

(HTN PLUS, LT PLUS Only)

REPLACEMENT PARTS

Fig. 7 Part

Item No.

No.

9

10

11

12

13

14

7

8

5

6

3

4

1

2

0503718

0503679

107417

107417

0502653

0504952

0502811

0505235

0504958

0501501

0501419

0300203

0502618

0505320

WATER INLET PIPING

(HTN PLUS, LT PLUS ONLY)

Description

Foot, adjustable ..........................................................................

Clamp, hose ................................................................................

Hose, 1/2" ID (LT PLUS Only).................................................

Hose, 1/2" I.D (HTN PLUS Only) .............................................

Elbow, 3/8 MPT x 1/2" Hose x 90° Brass ..................................

Valve, solenoid (3/8NPT) ...........................................................

Repair kit, 3/8" valve..................................................................

Coil, 115V 3/8" valve.................................................................

Flow washer, 3/8" valve .............................................................

Washer, lock 1/4" split................................................................

Bolt, 1/4-20 x1/2" Hex Hd .........................................................

Clamp, valve support..................................................................

Coupling, 3/8 MPT x 3/4" hose barb .........................................

Washer, hose...............................................................................

Qty

2

1

1

2

1

1

1

1

1

1

4

3

3 ft.

3 ft.

29

REPLACEMENT PARTS

00039

30

Figure 8 — Fill System

REPLACEMENT PARTS

Fig. 8 Part

Item No.

No.

7

8

5

6

3

4

1

2

107417

0501518

106090

107966

0509048

0508867

0501519

107417

FILL SYSTEM

Description

Hose, 1/2" I.D. (HTN PLUS, LT PLUS)....................................

Tie Wrap, Hose...........................................................................

Bracket, Tie Wrap ......................................................................

Nut, Grip, 10-32 w/Nylon Insert ................................................

Gasket, Inlet Chute .....................................................................

Inlet Chute ..................................................................................

Tie, Nylon 4" ..............................................................................

Hose, Fill 1/2" I.D. ....................................................................

Qty

A/R

2

3

8

1

1

3

3 ft.

31

REPLACEMENT PARTS

Detergent

1

4

1

00022

Rinse Aid

2

2

6

7

22

4

23

3

5

8

9

10

6

7

11

TO FILL

SYSTEM

12

13

14

15

TO FILL

ASSY

25

21

19

26

16

15

17

15

16

25

24

20

TO CHEMICAL SUPPLY

15

18

19

20

TO DETERGENT

SUPPLY

Figure 9 — Detergent/Rinse Aid Pump Assemblies

(HT PLUS, HTN PLUS)

32

REPLACEMENT PARTS

Fig. 9 Part

Item No.

No.

20

21

22

23

16

17

18

19

24

25

26

12

13

14

15

10

11

8

9

6

7

4

5

2

3

1

1

0502667

0502644

0503695

0306363

0501869

0501519

0707142

0706634

0506589

0502666

0505483

0503757

0503756

0308610

N/A

0501412

N/A

0501497

0504822

0501425

N/A

N/A

108194

N/A

N/A

N/A

0501519

DETERGENT/RINSE AID PUMP ASSEMBIES

(HT PLUS, HTN PLUS)

Description

Motor, Pump (Detergent) ...........................................................

Motor, Pump Injector (Rinse Aid) .............................................

Bracket, Detergent/Sanitizer Pumps (Rinse Aid).......................

Screw, M4 x 35mm Hex Head ...................................................

Screw, 10-32 x 3/8" Lg. Truss Head...........................................

Housing, Pump ...........................................................................

Washer, Lock #8 Split ................................................................

Screw,8-32 x 1/2" Lg. Pan Head ................................................

Screw, 8-32 x 5/8" Round Head .................................................

Screw, Set M6 x 8mm ................................................................

Rotor Assembly..........................................................................

Hose, Pump ................................................................................

Cover, Pump Housing ................................................................

Washer, Flat M4 .........................................................................

Nut, Wing M4.............................................................................

Tie Wrap, Hose...........................................................................

Hose, Detergent, 1/4" I.D. PVC (Clear) .....................................

Elbow, 1/4" O.D. x 90° Barbed ..................................................

Label, Detergent .........................................................................

Tube, Pick-Up ............................................................................

Strainer, Pick-Up Tube ...............................................................

Tie Wrap, Hose...........................................................................

Rotor Assembly..........................................................................

Element Tube Assy (45CC/Min)................................................

Screw, 6-32 x 7/8 Pan Head .......................................................

Hose, 1/8" ID PVC (Clear).........................................................

Label, Rinse Aid.........................................................................

-

-

109829

0709624

0708754

Detergent Pump Head Assy. (includes items 4, 6, 10-15)

Detergent Pump/Motor Assy. (includes items 1, 4, 6-20)

Rinse Aid Pump Assy (includes items 1, 6, 7, 19-26)

Qty

1

1

1

2

A/R

2

1

1

2

A/R

1

4

2

1

4

1

1

2

1

2

2

2

1

1

4

1

1

33

REPLACEMENT PARTS

4

DETERGENT

PUMP (SEE FIG. 9)

1

00002

2

3

5

6

7

TO FILL

SYSTEM

8

10

15

13

11

12

10

9

14

TO CHEMICAL SUPPLY

Figure 10 — Detergent/Sanitizer/Rinse-Aid Pump Assembly

(LT PLUS Only)

34

REPLACEMENT PARTS

DETERGENT/SANITIZER/RINSE-AID PUMP ASSEMBLIES

LT PLUS ONLY

Description Fig. 10 Part

Item No.

No.

13

14

15

9

10

11

12

7

8

5

6

3

4

1

2

0503756

0308610

0308697

0501412

0501497

0504822

0707142

0706635

0506589

0502666

0503694

0505483

0306363

0501869

0501519

Motor, Pump...............................................................................

Bracket, Detergent/Rinse Pump ................................................

Bracket, Sanitizer Pump .............................................................

Screw, 10-32 x 3/8" Lg. Truss Head...........................................

Washer, Lock #8 Split ................................................................

Screw, 8-32 x 1/2" Lg. Pan Head ...............................................

Rotor Assy..................................................................................

Element Tube Assy (45cc/min) ..................................................

Screw, 6-32 x 7/8" Lg. Pan Head ...............................................

Hose, 1/8" I.D. PVC (Clear).......................................................

Label, Sanitizer...........................................................................

Label, Rinse-Aid ........................................................................

Tube, Pick-Up ............................................................................

Strainer, Pick-up Tube ................................................................

Tie Wrap, Hose...........................................................................

0709624

0708754

Detergent Pump Assy. ...............................................................

(lncludes Detergent Pump and Items 2, 5-9)

Rinse-Aid Pump Assy (Includes Items 1,3, 5-10, 12-15)

Qty

1

1

2

2

A/R

1

1

1

1

4

4

1

2

1

1

1

35

REPLACEMENT PARTS

UP

36

Figure 11 — Control Panel Assembly

REPLACEMENT PARTS

Fig. 11 Part

Item No.

No.

25

—

—

—

21

22

23

24

18

19

20

20

14

15

16

17

10

11

12

13

8

9

6

7

4

5

3

4

*1

*1

*1

2

0310330

109069

113622

0508551

0501361

0501369

0509568

0509626

0501412

0309579

0504951

0501373

111069

0510582

0509608

0509611

0710583

0708538

0708590

0504956

0501379

0308644

0308645

0503701

111703

0501358

0509428

0501403

0501493

0507709

0501533

0503749

CONTROL PANEL ASSEMBLY

Description

Timer assy (HT PLUS Only) (Includes items 2-5) ....................

Timer assy (HTN PLUS Only) (Includes items 2-5) .................

Timer assy (LT PLUS Only) (Includes Items 2-5) .....................

Motor, timer................................................................................

Switch, timer ..............................................................................

Bracket, timer support (HTN PLUS) .........................................

Bracket, timer support (HT PLUS, LT PLUS) ...........................

Bearing, timer.............................................................................

Contactor, 2 pole 50A, 240V (401 HT PLUS only) (Booster)...

Relay, motor start (115V, 50Hz).................................................

Relay, door safety switch (15A, 120VAC coil) ..........................

Screw (10-32 x 3/4 Rd Hd) ........................................................

Washer, lock (#10 ext. tooth)......................................................

Washer, flat (#10 ss) ...................................................................

Nut, plain (10-32 Brass) .............................................................

Board, terminal...........................................................................

Bracket, thermostat (401 HT PLUS only)..................................

Thermostat, booster (401 HT PLUS only) .................................

Thermometer, 4 ft. Gas Filled ...................................................

Lamp, green................................................................................

Switch, rocker (DPDT) ..............................................................

Switch, rocker (Spring return)....................................................

Label, switch, overlay ................................................................

French label, switch overlay.......................................................

Screw (10-32 x 3/8" Truss Hd)...................................................

Panel (sheet metal only) ............................................................

Block, terminal (HT PLUS) .......................................................

Switch, 3 position toggle ...........................................................

Relay 2PDT 10A 240V .............................................................

Harness, Control Box (HT PLUS) (Not Shown)........................

Harness, Conrtol Box (HTN PLUS) (Not Shown).....................

Harness, Control Box (LT PLUS) (Not Shown) ........................

Qty.

1

1

1

1

1

1

4

1

1

1

1

1

1

1

1

1

2

1

1

2

1

1

1

1

A/R

1

1

1

1

1

1

1

37

38

THIS PAGE

INTENTIONALLY

LEFT BLANK

ELECTRICAL SCHEMATICS

ELECTRICAL

SCHEMATICS

39

ELECTRICAL SCHEMATICS

40

5

5

TO CUSTOMER DISCONNECT SWITCH

115V NEUTRAL

230V

GND

CUSTOMER TO SUPPLY RATED

VOLTAGE/PHASE/Hz, AS SPECIFIED

PER ORDER, TO DISCONNECT SWITCH.

ALL POWER SUPPLIED TO EACH CONNECTION

POINT MUST COMPLY WITH ALL LOCAL

ELECTRICAL CODES.

25

SERVICE

SWITCH

FILL

5

OFF

2

1

ON

32

5

MSW

ON

4

35

35

25

32

1

2

3 1

2

CT

NO NC NC NO

CTC

33

31

28

BOOSTER TANK

WTS 30

29

BHTR

HLTS

31

OFF

4

33

WTS

10

HLTS

11

33

WHTR

33 31

NO

8

2CR

NC

NO

CAM 9

NC

8

NO

CAM 8

NC

4

NO

NC

4

1CR

PSDR

4

6

7

NO

CAM 1

NC

8

16

17

8

NO

CAM 2

NC

9

16

8

25

8

SRC 12

15

NO

CAM 5

NC

19

F V

20

(IF USED)

DP

NO

CAM 4

NC

20

D V

WASH/

13 /RINSE

NO

CAM 3

NC 14 DRAIN

15

1

BLU

START CW

2

RED

START CCW

MAIN

3

BLK

3

3

3

GND

4

5

WHT

GRN

GND

TP

16

8

NO

CAM 7

NC

21

DM

3

BHTR BOOSTER HEATER

BLK BLACK

BLU BLUE

CAM 1 HOMING

CAM 2 PUMP MOTOR

CAM 3 PUMP MOTOR REVERSING

CAM 4 DRAIN

CAM 5 FILL

CAM 6 RINSE

CAM 7 DETERGENT

CAM 8 CYCLE

CAM 9 RINSE SENTINEL

TOLERANCE

DECIMAL

ANGLE

SCALE 1:1

FORMING:DIMENSIONS ARE FROM

BRAKELINE TO BRAKELINE

UNLESS OTHERWISE NOTED

D

E

A

B

C

CLT CYCLE ON LIGHT

CT CONTACTOR

CTC CONTACTOR COIL

DM DETERGENT MOTOR

DP DRAIN PUMP (IF USED)

DS DOOR SWITCH

DV DRAIN VALVE

EC/D EXTENDED CYCLE/DELIME

FV FILL VALVE

GND GROUND

GRN GREEN

HTLS HIGH LIMIT THERMOSTAT

HOLE DIMENSIONS

F

G

J

H

17 17

8

NO

CAM 6

NC

(IF USED)

22

RM

3

DSS

5

MSW MAIN SWITCH ON/FILL OFF/DRAIN

PSDR PRIME SWITCH DETERGENT, RINSE

1CR RELAY

2CR RINSE SENTINEL RELAY

DSS DOOR SAFETY SWITCH

RM RINSE MOTOR (IF USED)

SRC CURRENT OPERATED START RELAY COIL

SS SERVICE SWITCH

TM TIMER MOTOR

TP THERMAL PROTECTOR

WHT WHITE

WHTR WATER HEATER

ISSUED

WTS WATER THERMOSTAT

A

RELEASED TO

PRODUCTION

REV ECN DESCRIPTION

SCHEMATIC 401+ SERIES HIGH TEMP

SKH

JUL

28-03

BY

CH

DATE

50

DR.

CH.

RTG.

DRAWING NO.

0510652

ICR

3

TM

3

CLT

3

3

Figure 12 — Electrical Diagram, 401-HT PLUS

ELECTRICAL SCHEMATICS

CUSTOMER TO SUPPLY RATED

VOLTAGE/PHASE/Hz, AS SPECIFIED

PER ORDER, TO DISCONNECT SWITCH.

ALL POWER SUPPLIED TO EACH CONNECTION

POINT MUST COMPLY WITH ALL LOCAL

ELECTRICAL CODES.

TO CUSTOMER RECEPTACLE

115V 60Hz

BLK WHT

GND

1

1 2

1

MSW

ON

34

OFF

5

4

NO

CAM 8

NC

8

CLT

1CR

NO

NC

34

PSDR

6

7

NO

CAM 1

NC

16

17

8

8

NO

CAM 2

NC

9

8

8

8

8

16

8

TM

9 L SRC

S

M

12

15

NO

CAM 3

NC

13

WASH/

/RINSE

14 DRAIN

1

BLU

START CW

2

RED

START CCW

15

3

BLK

MAIN

NO

CAM 5

NC

19

F V

20

(IF USED)

DP

NO

CAM 4

NC

20

D V

2

2

2

2

4

5

GND

WHT

GRN

GND

TP

NO

CAM 7

NC

21

DM

2

8

17

NO

CAM 6

NC

22

(IF USED)

RM

2

2

2

1 1

DSS

50

1CR

2

BLK BLACK

BLU BLUE

CAM 1 HOMING

CAM 2 PUMP MOTOR

CAM 3 PUMP MOTOR REVERSING

CAM 4 DRAIN

CAM 5 FILL

CAM 6 RINSE

CAM 7 DETERGENT

CAM 8 CYCLE

TOLERANCE

DECIMAL

ANGLE

SCALE 1:1

FORMING:DIMENSIONS ARE FROM

BRAKELINE TO BRAKELINE

UNLESS OTHERWISE NOTED

A

B

C

D

E

CLT CYCLE ON LIGHT

DM DETERGENT MOTOR

DP DRAIN PUMP (IF USED)

RL RELAY

DV DRAIN VALVE

FV FILL VALVE

GND GROUND

GRN GREEN

HTLS HIGH LIMIT THERMOSTAT

MSW MAIN SWITCH ON/FILL OFF/DRAIN

PSDR PRIME SWITCH DETERGENT, RINSE

HOLE DIMENSIONS ISSUED

F

G

H

J

DR.

CH.

RTG.

PSS PRIME SWITCH SANITIZER

ICR RELAY

DSS REED SWITCH

RM RINSE MOTOR (IF USED)

SRC CURRENT OPERATED START RELAY COIL

SM SANITIZER MOTOR

TM TIMER MOTOR

TP THERMAL PROTECTOR

WHT WHITE

WHTR WATER HEATER

WTS WATER THERMOSTAT

A

REV ECN

SCHEMATIC 401+ SERIES HTN

RELEASED TO

PRODUCTION

DESCRIPTION

SKH

BY

CH

AUG

01/03

DATE

DRAWING NO.

0510653

Figure 13 — Electrical Diagram, 401-HTN PLUS

41

ELECTRICAL SCHEMATICS

CUSTOMER TO SUPPLY RATED

VOLTAGE/PHASE/Hz, AS SPECIFIED

PER ORDER, TO DISCONNECT SWITCH.

ALL POWER SUPPLIED TO EACH CONNECTION

POINT MUST COMPLY WITH ALL LOCAL

ELECTRICAL CODES.

TO CUSTOMER RECEPTACLE

115V 60Hz

BLK WHT

GND

1 1 2

1

1

MSW

ON

34

OFF

5

8

CLT

5

4

NO

CAM 9

NC

4

1CR

NO

NC

34

PSDR

5

PSS

7

6

NO

CAM 1

NC

8

8

NO

CAM 2

NC

9

8

8

8

8

16

8

TM

9 L

SRC

S 12

M

15

NO

CAM 3

NC

13

WASH/

/RINSE

14 DRAIN

2

1

BLU

RED

START CW

START CCW

15

3

BLK MAIN

NO

CAM 5

NC

19

F V

20

(IF USED)

DP

NO

CAM 4

NC

20

D V

2

2

2

2

4

5

GND

WHT

GRN

GND

TP

NO

CAM 8

NC

21

DM

2

16

17

18

8

17

NO

CAM 6

NC

22

(IF USED)

RM

18

8

NO

CAM 7

NC

23

SM

2

2

DSS

1 50 2

1CR

2

2

42

BLK BLACK

BLU BLUE

CAM 1 HOMING

CAM 2 PUMP MOTOR

CAM 3 PUMP MOTOR REVERSING

CAM 4 DRAIN

CAM 5 FILL

CAM 6 RINSE

CAM 7 SANITIZER

CAM 8 DETERGENT

CAM 9 CYCLE

TOLERANCE

DECIMAL

ANGLE

SCALE 1:1

FORMING:DIMENSIONS ARE FROM

BRAKELINE TO BRAKELINE

UNLESS OTHERWISE NOTED

A

B

C

D

E

CLT CYCLE ON LIGHT

DM DETERGENT MOTOR

DP DRAIN PUMP (IF USED)

RL RELAY

DV DRAIN VALVE

FV FILL VALVE

GND GROUND

GRN GREEN

HTLS HIGH LIMIT THERMOSTAT

MSW MAIN SWITCH ON/FILL OFF/DRAIN

PSDR PRIME SWITCH DETERGENT, RINSE

HOLE DIMENSIONS ISSUED

F

G

H

J

DR.

CH.

RTG.

PSS PRIME SWITCH SANITIZER

ICR RELAY

DSS REED SWITCH

RM RINSE MOTOR (IF USED)

SRC CURRENT OPERATED START RELAY COIL

SM SANITIZER MOTOR

TM TIMER MOTOR

TP THERMAL PROTECTOR

WHT WHITE

WHTR WATER HEATER

WTS WATER THERMOSTAT

A

REV ECN

RELEASED TO

PRODUCTION

DESCRIPTION

SCHEMATIC 401+ SERIES LOW TEMP

SKH

BY

CH

AUG

01-03

DATE

DRAWING NO.

0510654

Figure 14 — Electrical Diagram, 401-LT PLUS

TIMING CHARTS

TIMING CHART 401-HTM2

CAM

1

2

2

3

4

5

6

7

8

9

TIME IN SECS

HOMING

CAM

WASH PUMP

FORWARD=WASH

WASH PUMP

REVERSE=DRAIN

WASH PUMP

REVERSING CAM

DRAIN VALVE

DRAIN PUMP OPTIONAL

0

FILL VALVE

RINSE

PUMP

OPTIONAL

DETERGENT

PUMP

AUTO-FILL

DRAIN

RINSE

SENTRY

10 20 30 40 50 60 70 80 90 100 110 120 130 140 150

If booster thermostat is calling for heat, cam 9 will pause wash cycle until it reaches

82 C/180 F.

00042M2

N

C

N

O

COM.

TIMER

SWITCH

DETAIL

9 8 7 6 5 4 3 2 1

LOCKING SCREW

TIMER ASSEMBLY 401-HTM2

Figure 15 — Timer Chart and Diagram,

401-HT PLUS, 401- HTN PLUS

TIMER MOTOR

43

TIMING CHARTS

00043M

TIMING CHART 401-LTM2

CAM

1

2

2

3

4

5

6

7

8

9

TIME IN SECS

HOMING

CAM

WASH PUMP

FORWARD=WASH

WASH PUMP

REVERSE=DRAIN

WASH PUMP

REVERSING CAM

DRAIN VALVE

DRAIN PUMP

FILL VALVE

RINSE

PUMP

SANITIZER

PUMP

DETERGENT

PUMP

AUTO-FILL

DRAIN

0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150

44

N

C

N

O

COM.

TIMER

SWITCH

DETAIL

9 8 7 6 5 4 3 2 1

LOCKING SCREW

TIMER ASSEMBLY 401-LTM2

Figure 16 — Timer Chart and Diagram, 401-LT PLUS

TIMER MOTOR