Moyer Diebel MD44 Installation Manual

Rack Conveyor Dishwasher

Installation/Operation Manual with Service Replacement Parts

Rack Conveyor Dishwasher

CH-44, MD-44 44" Single Tank with built-in electric booster

CH-66, MD-66 44" Single Tank with 22" Prewash

Single Tank

Model CH-44, MD-44

with built-in electric booster

www.championindustries.com

3765 Champion Boulevard Winston-Salem, NC 27105 336/661-1556 Fax: 336/661-1660 Toll-free: 800.858.4477

Single Tank w/Prewash

Model CH-66, MD-66

Issue Date: 4.1.13

Manual P/N 115279 rev. -

For machines beginning with S/N RM13020073 and above

2674 N. Service Road, Jordan Station Ontario, Canada L0R 1S0 905/562-4195 Fax: 905/562-4618 Toll-free: 800.263.5798

Dishwasher serial no.

Printed in USA

For future reference, record your dishwasher information in the box below.

Model Number__________________________ Serial Number_______________________ Voltage________________Hertz_____________ Phase__________________ Champion Service Agent __________________________________ Tel:______________________ Champion Parts Distributor _________________________________ Tel:______________________

National Service Department

In Canada: In the USA:

Toll-free: 800/ 263-5798 Toll-free: 800/ 858-4477 Tel: 905/ 562-4195 Tel: 336/ 661-1992 Fax: 905/ 562-4618 Fax: 336/ 661-1660 email: service@moyerdiebellimited.com email: service@moyerdiebel.com

ATTENTION:

The dishwasher model number,

serial number, voltage, hertz and phase

are needed to identify your machine and to

answer questions.

Please have this information on-hand

if you call for service assistance.

For all models: The data plate mounts to

one side of the top-mounted control cabinet.

The USGBC and the CaGBC Member Logos are trademarks owned by the U.S. Green Building Council and The Canadian Green

Building Council, respectively, and are used by permission. The logos signify only that Champion Industries, and Moyer Diebel

are USGBC members and CaGBC members respectively. USGBC and CaGBC do not review, certify nor endorse the products or

services offered by its members.

Make sure you are connected to the internet then enter the address below.

In the U.S.A

CHAMPION

http://www.championindustries.com/register

MOYER DIEBEL

http://www.moyerdiebel.com/register

In Canada

CHAMPION AND MOYER DIEBEL

http://www.championindustries.com/canada/register

PRODUCT REGISTRATION

BY FAX

COMPLETE THIS FORM AND FAX TO:

(336) 661-1660 in the USA

1-(800) 204-0109 in Canada

PRODUCT REGISTRATION CARD

Model

Date of Installation: Company Name:

Address: Telephone #: ( ) ---

(Street) Province Postal Code

Serial #

Contact:

Installation Company: Address: Telephone #: Contact:

FAILURE TO REGISTER YOUR PRODUCT MAY VOID YOUR WARRANTY

IMPORTANT IMPORTANT

Revision History

A revision might be a part number change, new instructions, or information that was not available at print time. We reserve the right to make changes to this manual without notice and without incurring any liability by making the changes. Dishwasher owners may request a revised manual, at no charge, by calling (800) 858-4477 in the USA or (800) 263-5798 in Canada.

Revision Revised Serial Number Description Date Pages Effectivity

4.1.13 All RM13020073 Released First Edition

Limited Warranty

LIMITED WARRANTY

Champion Industries and The Companies (The Companies), 3765 Champion Boulevard, Winston-Salem, North Carolina 27105, and P.O. Box 301, 2674 N. Service Road, Jordan Station, Canada, L0R 1S0, warrants machines, and parts, as set out below.

Warranty of Machines: The Companies warrant all new machines of its manufacture bearing the name

"The Companies" and installed within the United States and Canada to be free from defects in material and workman

ship for a period of one (1) year after the date of installation or fteen (15) months after the date of shipment by

The Companies, whichever occurs rst. [See below for special provisions relating to glasswashers.] The online registration

or warranty registration fax must be returned to The Companies within ten (10) days after installation. If online registration or warranty card fax is not returned to The Companies within such period, the warranty will expire after one year from the date of shipment.

The Companies 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, The Companies, at its election, will either repair or replace the defective machine or accept return of the machine for full credit; provided; however, as to glasswashers, The Companies' obligation with respect to labor associated with any repairs shall end

(a) 120 days after shipment, or (b) 90 days after installation, whichever occurs rst. In the event that The Companies

elect to repair, the labor and work to be performed in connection with the warranty shall be done during regular working hours by The Companies' authorized service technician. Defective parts become the property of The Companies. Use of replacement parts not authorized by The Companies will relieve The Companies of all further liability in connection with its warranty. In no event will The Companies' warranty obligation exceed The Companies' charge for the machine.

The following are not covered by The Companies'' 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. Cleaning of valves, strainers, screens, nozzles, or spray pipes. h. Performance of regular maintenance and cleaning as outlined in operator’s guide. i. Damages resulting from water conditions, accidents, alterations, improper use, abuse,

tampering, improper installation, or failure to follow maintenance and operation procedures.

j. Wear on Pulper cutter blocks, pulse vanes, and auger brush. Examples of the defects not covered by warranty include, but are not limited to: (1) Damage to the exterior or

interior nish 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: The Companies warrant all new machine parts produced or authorized by The Companies 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 The Companies will replace the defective part without charge.

DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY. THE COMPANIES' WARRANTY IS ONLY TO THE EXTENT REFLECTED ABOVE. THE COMPANIES MAKE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED, TO ANY WARRANTY OF MERCHANTABILITY, OR FITNESS OF PURPOSE. THE COMPANIES SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. THE REMEDIES SET OUT ABOVE ARE THE EXCLUSIVE REMEDIES FOR ANY DEFECTS FOUND TO EXIST IN THE COMPANIES DISHWASHING MACHINES AND THE COMPANIES PARTS, AND ALL OTHER REMEDIES ARE EXCLUDED, INCLUDING ANY LIABILITY FOR INCIDENTALS OR CONSEQUENTIAL DAMAGES.

The Companies do not authorize any other person, including persons who deal in The Companies' dishwashing machines to change this warranty or create any other obligation in connection with The Companies' Dishwashing Machines.

Table of Contents

CH-44, MD-44 and CH-66, MD-66 Rack Conveyor Dishwashers

Revisions to this manual.............................................................................................. i

Limited Warranty ......................................................................................................... ii

Model Descriptions ...................................................................................................... iv

Installation ....................................................................................................... 1

Receiving ..............................................................................................................1

Plumbing Connections ..........................................................................................2

Drain Connections ................................................................................................3

Ventilation .............................................................................................................3

Electrical Connections ..........................................................................................4

Chemical Signal Connections ...............................................................................6

Vent Fan Signal Connection .................................................................................6

Running & Table Limit Switch Connections ..........................................................6

Curtain Locations ..................................................................................................7

Door Safety Switches ...........................................................................................8

Scrap Screens ......................................................................................................9

Installing Spray Arms ............................................................................................10

Installing the Curtains ...........................................................................................14

Initial Start-Up Check List .....................................................................................15

Operation ......................................................................................................... 17

Operation ...........................................................................................................17

Cleaning and Maintenance ...................................................................................21

Troubleshooting ....................................................................................................27

Service Replacement Parts ............................................................................ 29

Solid State Control Module Operation and Troubleshooting ..................... 77

Electrical Schematics ..................................................................................... 89

iii

Model Descriptions

Models CH-44 and MD-44 Electric high temperature single tank rack conveyor dishwasher with a built-in electric booster in 40°F/22°C rise or optional 70°F/39°C rise.

This model's direction of operation is convertible in the eld.

Models CH-66 and MD-66 Electric high temperature single tank with prewash tank rack conveyor dishwasher with a built-in electric booster in 40°F/22°C rise or optional 70°F/39°C rise.

The installation of your dishwasher must be performed by qualied electricians,

and plumbers and serviced by authorized service technicians trained in commercial dishwashers.

Defects and repairs caused by unauthorized installers will not be covered by the dishwasher warranty.

Installation

Receiving

1. Inspect the outside of the dishwasher carton for signs of damage.

2. Remove the carton and inspect the dishwasher for damage.

3. Check for any options or accessories that may have shipped with your dishwasher.

4. Turn to the front of this manual and follow the instructions to register your product online or by fax.

NOTE:

The installation of your dishwasher must be performed by qualified service personnel. Problems due to improper installation are not covered by the Warranty.

NOTE:

The installation of the dishwasher must comply with all local electrical, plumbing, health and safety codes or in the absence of local codes, installed in accordance with the applicable requirements in the National Electrical Code, NFPA 70, Canadian Electrical Code (CEC), Part 1, CSA C22.1; and the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, NFPA 96.

!!ATTENTION!! Use caution when moving or lifting the dishwasher to prevent damaging the dishwasher

or the installation site. Check doorway and passageway clearance before moving the dishwasher. Remove dishwasher front panels and check under the machine base for obstructions before moving.

1. Inspect the dishwasher for shipping damage.

2. Check the dishwasher interior for curtains, panels and other supplies.

3. Lift the dishwasher off the shipping pallet and move the machine near its permanent location.

4. Leave a minimum of 6" between walls and the rear of the dishwasher.

5. Level the dishwasher side-to-side and front-to-back using a bubble level. The dishwasher legs are adjusted by screwing them in or out.

6. Do not remove tags attached to the utility connections.

7. Remove the protective film from the dishwasher exterior.

Wall Clearances

8. Remove any foreign material from the dishwasher interior.

Installation

Utilities

Hot Water Connections

NOTE:

Only qualified personnel should make dishwasher plumbing connections. Connections must meet local plumbing and sanitary codes. Improper installation is not covered be the dishwasher warranty.

Hot Water Requirements:

1. Connect a 3/4" NPT hot water supply line to the line strainer located at the top rear of the dishwasher. A water hardness of 3 grains/gal (US) [51.3 mg/L] or less is recommended.

2. For a dishwasher without a booster heater, the hot water connection must supply a minimum of 180°F/82°C measured at the dishwasher.

3. For a 40°F/22°C rise booster heater, the hot water connection must supply a minimum of 140°F/60°C measured at the dishwasher.

4. For a 70°F/39°C rise booster heater, the hot water connection must supply a minimum of 110°F/43°C measured at the dishwasher.

5. Install a pressure regulating valve (PRV) before the dishwasher supply connection to maintain a flowing pressure of 20-25 PSI/137.8-172.4 kPa.

6. Install a service shut-off valve in the supply line, as close to the dishwasher as possible. The size of the valve must be the same size or larger as the supply line.

Cold Water Connections

Cold Water Requirements:

1. Connect a 1/2" NPT cold water supply line for a dishwasher equipped with a prewash cold water tempering option. Connection is located at the top of rear of the dishwasher load end.

A water hardness of 3 grains/gal (US) [51.3 mg/L] or less is recommended.

2. Connect a 1/2" NPT cold water supply line for dishwashers required to have a drain water temperature tempering option. A water hardness of 3 grains/gal (US) [51.3 mg/L] or less is recommended. Request a P/N 452891 for a drain tempering water kit.

Installation

Drain Connections

1. The 1-1/2" drain line was removed and packed inside the dishwasher prior to shipping. Install the drain line once the dishwasher has been placed in its final location.

2. Connect the 1-1/2" NPT drain line to above a drain sink or to a 1-1/2" or larger drain line connection.

3. Observe all local plumbing and sanitary codes when installing.

Ventilation Connections

1. DO NOT VENT THE DISHWASHER INTO WALLS, CEILINGS OR ENCLOSED PLACES.

2. Vent stacks with adjustable dampers are supplied with the dishwasher to connect house vent.

3. Connect stainless steel water-tight duct inside the 4" x 16"/ 106mm x 407mm vent stacks supplied with the dishwasher.

4. A minimum of 6 air changes per hour of kitchen is recommended

Ventilation Guidelines: Dishwasher without a prewash tank option:

Load end- 200 CFM @ 1/4" SP/ 95 Liters/second

Unload end- 400 CFM @ 1/4" SP/ 189 Liters/second

Dishwasher with a Prewash tank option: Load end- 150 CFM @ 1/4" SP/ 95 Liters/second Unload end- 400 CFM @ 1/4" SP/ 189 Liters/second

Installation

Electrical Connections

WARNING:

Electrocution or serious injury may result when working on an energized circuit.

Disconnect power at the main breaker or service disconnect switch before working on the circuit.

Lock-out and tag the breaker to indicate that work is being performed on the circuit.

ATTENTION

A qualified electrician must connect the main incoming power to the dishwasher in accordance with all local codes and regulations or in the absence of local codes in accordance with the National Electrical Code.

!!ATTENTION!!

Electrical and grounding connections must comply with the National Electrical Code or in the absence of a National Code then all Local Electrical Codes.

A qualified electrician MUST compare the electrical power supply with the machine electrical specifications stamped on the MACHINE ELECTRICAL CONNECTION PLATE located inside the control cabinet before connecting the main power to the dishwasher.

MACHINE ELECTRICAL CONNECTION

1. The main incoming power to the dishwasher is made at the top of machine in the control cabinet.

2. The electrician must connect the incoming power based on the information that is stamped on the Machine Electrical Connection Plate.

3. Any change to the Machine Electrical Connection Plate must be approved by the factory in advance.

4. The dishwasher main power terminal block is located inside the top-mounted control cabinet.

5. A knock-out plug is provided at the rear of the control cabinet for electrical service connections.

6. Electric blower-dryers have a separate main power connection.

Installation

Electrical Connections (continued)

Motor Rotation

1. Motor rotation was set at the factory.

2. The conveyor drive motor rotation is indicated by a red arrow located on the side of the motor.

3. Check if all motors are running in the wrong direction.

4. Reverse the L1 and L2 wires on the output side of the dishwasher Main Terminal Block (MTB) located inside the top-mounted control cabinet.

5. The photograph below shows the conveyor drive motor with its direction arrow.

6. A wash pump/motor assembly can be seen in the background of the photo.

WARNING:

Moving Conveyor Parts may cause INJURY OR DEATH. Keep hands and clothing clear of the conveyor when the

conveyor is moving.

THREE PHASE

POWER CONNECTION

LINE IN

L1 L2 L3

GRD

USE EXTREME CAUTION WHEN THE CONVEYOR IS MOVING.

Main Terminal Block Inside the Top-mounted Control

Cabinet.

Motor Direction Rotation Label on Motor Frame.

Installation

Chemical Signal Connections

1. Use a qualified detergent/chemical supplier for detergent/chemical and dispensing equipment needs.

2. Labeled detergent control circuit connection terminals are provided in the control cabinet for detergent and rinse agent/sanitizer dispensing equipment (supplied by others).

3. The illustration at right, shows the terminal board for the machine.

4. The signal connection points include:

•Detergentsignal120VAC,1Amaxload.

•Rinseaid/Sanitizersignal120VAC,1Aload.

5. A removable black plug is provided in the load end side of the wash tank for installation of the detergent conductivity cell.

SIGNAL ONLY

VENT FAN

120V

COMMON

RINSE AID

120V

COMMON

DETERGENT

120V

Vent Fan Signal Connection

NOTE: The Vent Fan Signal Connection supplies 120VAC to a control relay (supplied by others) when the dishwasher is ON and O VAC when the dishwasher is OFF. Power to operate the vent fan (supplied by others) must be supplied separately.

6. The Vent Fan signal connection point is located on the same terminal board as the chemical connections (see illustration above). The connection is:

•VentFan120VAC,1Ampmaxampload

Running Signal and Table Limit Switch Connections

7. Connections are provided for systems that require a signal to indicate the dishwasher is running.

8. A signal connection is provided to indicate that the dishwasher has stopped due to a conveyor jam or when the clean dish table is full of racks and additional racks cannot exit the machine.

9. The table limit switch option installation is recommended for all dishwashers and can be ordered from the factory by P/N 407400.

SIGNAL ONLY

MACHINE RUNNING

TABLE LIMIT SWITCH

Installation

Long Curtain

Curtain Locations

1. Refer to the illustrations below and hang the curtains as shown. J-hooks are located in the corners of each section to accept the curtain rods.

 • Standardlongcurtains  24"x20-1/4"  • Standardmediumcurtains  24"x13-/14"

 • Standardshortcurtain  24"x6-1/4"

2. Make sure the that the short flaps of the curtains face the load end of the dishwasher.

Medium Curtain

NOTE:

Misplacing a curtain or failing to install a curtain will adversely affect the proper operation of the machine.

Short Curtain

Wash

Long Curtain

Medium Curtain

Long Curtain

Medium Curtain

Wash Prewash

Installation

Door Safety Switches

Dishwasher access doors are equipped with a door safety switch that automatically stops the dishwasher pumps and conveyor drive if a door is raised while the dishwasher is running. In addition, the dishwasher will not start if a door is left open.

1. If the dishwasher is running and a door is raised, then lighted GREEN START pushbutton goes out and the pumps and conveyor drive stop.

2. Check the interior of the dishwasher for any dish racks still in the machine. These dish racks must be washed again to ensure they are washed and sanitized completely.

3. To restart the dishwasher, make sure all doors are closed, then push the GREEN START pushbutton.

Pump Intake Screen and Dual Float Switch

Refer to the illustration below and note the location of the pump intake screen and dual float switch.

1. Make sure the pump intake screen is installed by sliding it on the bracket located in front of the wash pump intake.

2. Make sure the float balls on the dual float switch move freely on the float stem.

3. Check the interior of the tank for any foreign objects and make sure the drain screen is clean.

Pump Intake

Screen

Drain

Screen

Dual Float

Switch

Make sure tank is clean, the pump intake screen is installed and the dual float switch

moves freely.

1. All models have scrap screens in the top of the wash tank.

Install four scrap screens in the wash tank making sure they fit securely without large gaps between them.

Installation

Scrap Screens

2. The model CH-66 and the MD-66 has a prewash tank containing a single large scrap screen which extends from front to back in the prewash tank.

The prewash screen also holds a refuse basket to facillitate cleaning when the machine is off.

Install the large scrap screen making sure the screen fits securely in the front and back of the tank then install the refuse basket as shown in the illustration to the right.

Never remove the prewash scrap screen while the dishwasher is running.

All models have four scrap screens in the wash tank.

Model CH-66 and MD-66 has a scrap screen and refuse basket located in the

prewash tank.

Installation

Spray Arm O-ring

Installing the Lower Spray arm Assembly

1. The lower spray arm assembly is connected to the rear wall of the wash tank.

2. The spray arm o-ring makes a water-tight seal when the spray arm is properly seated.

Spray Arm Guide

3. Slide the lower arm into place making sure the spray arm is fully back and contacting the spray arm o-ring.

4. The spray pipes are supported on each side by the spray arm guides and will lock the spray arm securely in place.

Installation

Installing the Upper Spray Arm Assembly

The upper wash arm assembly is suspended from the top of the dishwasher hood interior by front and rear supports. Follow the instructions and illustrations below to install the upper wash arm assembly.

Wash Arm Connection

Flange Pin

Rear Support

Front Support

Connection

Flange

Upper wash arm assembly shown installed.

(Note that the Wash Arm Connection Flange Pin is seated in the Connection Flange.)

Upper Wash Arm

Rear Support

Connection

Flange

Make sure the upper spray arm o-ring is in good condition and fits

securely in the connection flange before installing the upper

wash arm assembly.

Upper Wash Arm Assembly

O-ring

Components

1. Upper Wash Arm Rear Support The rear support holds the wash arm and serves as a guide when the upper wash arm is pushed

to the toward the connection flange at the rear of the dishwasher.

2. Connection Flange The connection flange holds the

wash arm securely in place when the upper wash arm is placed in position. In addition, the connection flange holds the wash arm o-ring in position.

3. O-ring The wash arm o-ring rests in the center of the connection flange and forms a water-tight seal when the upper wash arm is in place.

Installation

Upper Wash Arm

Rear Guide Pin

Connection

Flange Pin

Connection

Flange Pin

Rear Suppor

Installing the Upper Spray Arm Assembly (continued)

1. Upper Wash Arm Rear Guide Pin The rear guide pin is attached to the rear of the upper wash arm. It mates with the upper wash arm rear support.

2. Connection Flange Pins The connection flange pins are welded to the sides of the upper wash arm. These pins mate with two slots in the connection flange to hold the wash arm in place when installed.

The upper wash arm is shown with the rear guide pin placed on the rear support

before sliding the upper wash arm into position.

3. Upper Wash Arm Front Guide Pin The front guide pin is attached to the front of the upper wash arm. It mates with the front supports.

4. Front Supports There are two fronts supports which hold the front of the upper wash arm in place when the wash arm is installed.

The upper wash arm is shown with the front guide pin resting in the front supports.

Upper Wash Arm

Upper Wash Arm Front

Guide Pin

Front Supports

Installing the Upper Spray Arm Assembly

Upper Wash Arm

Rear Support

Connection Flange

The upper wash arm assembly is shown resting on the

upper wash arm rear support as it slides toward the connection flange.

Upper Wash Arm

Front Supports

Upper Wash Arm Assembly

Installation

1. Open the dishwasher access doors and check the location and condition of the connection flange o-ring. Replace the o-ring if it is worn or damaged.

Place the upper wash arm rear guide pin in the rear support so the wash arm hangs in the support.

2. Slide the upper wash arm toward the rear of the dishwasher making sure the rear guide pin is centered in the rear supports.

The upper wash arm assembly is shown resting on the

upper wash arm rear support as it slides toward the connection flange.

3. Raise the front of the wash arm so the connection flange pin mates with the connection flange pin slots.

4. Swing the front of the wash arm up toward the front of the dishwasher.

The wash arm front guide pin should be positioned close to the door opening and before the front wash arm supports.

5. Slide the upper wash arm forward as far as it will go making sure that the front guide pin is above the front support notched cut-out.

Lower the upper wash arm so the front guide pin seats securely in the front support notch. Installation is complete.

Installation

Installing the Curtains

Short Curtain

J-hook

Long

Curtain

Curtain Installation Shown at the Final Rinse End of the Dishwasher

1. Curtain are equipped with curtain rods. The rods are hung on J-hooks located in the top of the dishwasher.

2. Make sure that the short flaps on the curtains face the load end of the dishwasher.

Medium Curtain

3. Refer to page 7, Curtain Locations, for additional information on curtain placement.

Check List

1. Remove white protective film from the dishwasher exterior.

2. Install lower panels to the dishwasher.

3. Remove any foreign material from inside of the machine.

4. Check dishwasher drain/overflows are closed and in securely seated.

5. Install scrap screens, spray arms.

6. Turn main utilities to the dishwasher ON. (Power, water).

7. Make sure doors are closed.

8. Turn dishwasher power switch ON. Machine fills with water and tank heat comes on.

9. Check tank water temperatures reach proper levels.

10. Check for leaks.

11. Push the Start button. Green light comes on.

12. Insert an empty dish rack into the load end of the dishwasher. The pumps and conveyor will run.

Installation

13. Allow the dish rack to travel to the unload end of the dishwasher. The final rinse will run.

14. Allow the rack to exit the dishwasher. The dishwasher should have run for 90 seconds.

15. Place another dish rack in the machine to start another cycle.

16. Open each dishwasher door to make sure the safety switch stops the conveyor.

17. Immediately close the door, the dishwasher should restart.

18. Open the door and leave it open for 5 minutes. The machine should stop. Push the Start button and the machine should restart when a rack is inserted into the machine.

19. Push the Stop button when the machine is running and the dishwasher should stop.

20. Push the dishwasher Power Switch OFF. The dishwasher should shut down.

21. Drain the dishwasher and check that floor drains handle the water volume leaving the dishwasher.

NOTE:

If the drain valve is open when the dishwasher is filling, the machine will fill for 10 minutes, then the machine will shut-down and the green light will blink on and off. Flip the dishwasher power switch off and close the drain valve. Flip the power switch on and fill the machine.

Initial Start-Up

20-22 PSI

160°F/71°C

180-195°F

Control Panel Operation - CH-44, CH-66

The final rinse pressure gauge is located behind the control panel. The top-mounted control panel contains the Power ON/OFF switch, start push button, stop push button, and the water temperature gauges for the wash tank and the final rinse. The function of these controls are:

A Final Rinse Pressure Gauge - Indicates the flowing water pressure during the final rinse.

Proper reading is 20-22 PSI.

B Power Switch - Turns power on and off to the dishwasher. The machine fills

automatically when the power is turned on.

C Cycle Light - Indicates when the dishwasher is ready for automatic operation. D Start Push button - Pushing the Start push button sets the machine for automatic

operation. The conveyor and pumps start when a dish rack is inserted into the machine.

E Stop Push button - Pushing the Stop push button stops the conveyor and pumps. F Temperature Gauges - Temperature gauges indicate the water temperature in the wash

tank.The final rinse water temperature is indicated during the final rinse.

OFF

START

120

100

Wash

Temperature

STOP

82-91°C

120

140

160

180

100

200

220

100

Final Rinse

Temperature

140

160

180

100

200

220

PSI

CHAMPION INDUSTRIES, INC.

WINSTON-SALEM,NC

Final Rinse

Pressure

POWER

Model CH-44 Shown

Operation

20-22 PSI

160°F/71°C

180-195°F

MD-44, MD-66 - Control Panel Operation

A Final Rinse Pressure Gauge - Indicates the flowing water pressure during the final rinse. Proper reading is 20-22 PSI.

B Power Switch - Turns power on and off to the dishwasher. The machine fills automatically when the power is turned on.

C Cycle Light - Indicates when the dishwasher is ready for automatic operation. D Start Push button - Pushing the Start push button sets the machine for automatic

operation. The conveyor and pumps start when a dish rack is inserted into the machine.

E Stop Push button - Pushing the Stop push button stops the conveyor and pumps. F Temperature Gauges - Temperature gauges indicate the water temperature in the wash

tank.The final rinse water temperature is indicated during the final rinse.

OFF

START

100

Wash

Temperature

STOP

82-91°C

120

140

160

180

100

200

220

100

Final Rinse

Temperature

120

140

160

180

100

200

220

PSI

CHAMPION INDUSTRIES, INC.

WINSTON-SALEM,NC

Final Rinse

Pressure

POWER

Model MD-44 Shown

Operation

Detergent

Rinse-aid

Check the chemical containers and rell as necessary.

Close the doors.

POWER

Turn drain handle clockwise to close the drains.

START

Push START switch. The green light illuminates. The machine lls with water and the tank heat comes on.

STOP

OFF

Flip power switch UP to the ON position.

Operation

Open

Closed

If the drain is open or the ll runs for more 10 minutes then the dishwasher shuts down & the green light blinks on and o. Close the drain or check the ll, then push the power switch o and back on to reset. Push the Start switch to restart operation.

160°F/71°C

120

Wash

140

160

180

100

200

220

100

Temperature

Wait 10 minutes for the wash gauge to indicate 160°F/71°C.

Prescrap & load wares into dish racks. Plates and glasses go in peg rack, cups and bowls go in a at rack. Place

Insert a dish rack of wares into the dishwasher. The pumps and conveyor will run.

silverware in a single layer in at rack.

NOTE: Opening a door will stop the pumps and drive. If the door is closed within 5 minutes the machine will resume operation where it left off. After 5 minutes the START switch must be pressed and a dish rack inserted into the machine for normal operation.

continued on next page

Operation

Operation (continued)

The dishwasher pumps and drive runs 90 seconds after the rack enters the machine. Loading additional racks before the rst rack exits the machine resets the timer.

STOP

180-195°F

82-91°C

120

100

140

160

180

100

200

220

Final Rinse

Temperature

Check the nal rinse temperature during the nal rinse cycle to ensure the gauge indicates 180-195ºF/82-91ºC.

NOTE:

In the event of a conveyor jam or a tripped table limit switch, the dishwasher pumps and drive will stop. The operator should check the conveyor for articles stuck in the drive or in the case of the table limit switch, remove dish racks from the clean-end table. The START switch must be pressed and a dish rack inserted into the machine to resume normal operation.

Push the STOP switch to stop the pumps and the drive. The green light goes out. Push the START switch and insert a dish rack to restart operation.

NOTE:

To shut the dishwasher down, press the stop button. Flip the POWER switch down to the OFF position. Open the doors and remove any dish racks left in the machine. Open the drain to drain the water from the tanks.

Cleaning

Cleaning your dishwasher is the best maintenance you can do.The cleaning intervals below are the minimum requirements for most dishwashers.You may need to clean your dishwasher more often when washing heavily soiled wares or during long periods of continuous operation.

Daily or every 2 hours of operation

1. Turn power switch to OFF.

2. Pull drain lever(s) to drain water. Remove scrap screens and scrap baskets.

Clean inside of the tanks and flush with clean water. Back flush the scrap screens until clean.

DO NOT STRIKE SCREENS OR BASKETS AGAINST SOLID OBJECTS

3. Remove the spray arm assemblies. Remove the end cap from each spray arm.

4. Flush the spray arms and nozzles to remove any debris.

5. Replace the end caps. Check the condition of the manifold O-ring.

6. Reinstall the spray arms.

7. Remove and clean the curtains. Allow them to dry at the end of the day.

8. Leave the doors open between operations, allowing the machine to dry.

9. Make sure that the final rinse nozzles are clear of mineral deposits.

10. Straighten a metal paper clip to clean the nozzles.

11. Check the temperature and pressure gauge readings during operation.

12. Inspect the machine for signs of water leaks.

13. Check the chemical supplies and refill as necessary.

At the End of the Day

1. Perform Steps 1-10 on the previous page.

2. Remove the upper and lower rinse and wash spray arms and end plugs a

ndushwithfreshwater.

3. Cleanthenalrinsearmnozzlesusingasmallpaperclip.

4. Remove the curtains and clean with fresh water.

DO NOT USE STEEL WOOL TO CLEAN THE INTERIOR OF THE MACHINE.

5. Wipe the interior and exterior of the machine with a soft cloth and a mild detergent. DO NOT HOSE THE EXTERIOR OF THE MACHINE WITH WATER.

6. Reassemble the dishwasher and leave the door open to allow overnight drying.

7. Contact the chemical supplier for de-liming if required.

continued on next page

Cleaning

Cleaning (continued)

POWER

OFF

Flip power switch down to the OFF position.

Turn drain handle counter-clockwise to the vertical position to drain the tanks.

Open doors.

Remove the upper wash arm assemblies and ush clean in a sink.

Remove curtain assemblies and rinse clean in a sink.

Remove lower wash arm assemblies and ush clean in a sink.

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Moyer Diebel MD44 Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual