Moyerdiebel MDHHD Configuration guide

Issue Date: 10.15.19
Manual P/N 117117 rev. A
For machines beginning with S/N D190217104 and above
LISTED
2674 N. Service Road, Jordan Station
Ontario, Canada L0R 1S0
[phone] Fax: [phone]
Toll-free: 1( 800) 263-5798
3765 Champion Boulevard
Winston-Salem, NC 27105
[phone] Fax: [phone]
Toll-free: 1 [phone]
Printed in the USA
Operation, Cleaning, and Maintenance Guide
Hot water sanitizing machine
w/fresh water rinse and built-in
stainless steel electric booster
Model:
MDHHD

COPYRIGHT © 2019 All rights reserved Printed in the USA
ATTENTION
The model no., serial no., voltage, Hz
and phase are needed to identify your
machine and to answer questions.
The machine data plate
is located on the right front corner
of the lower panel
Please have this information ready
if you call for service assistance.
National Service Department
In Canada: In the USA:
Toll-free: [phone] Toll-free: [phone]
Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
email: [email protected] email: [email protected]

TWO ways to
REGISTER YOUR PRODUCT and
ACTIVATE YOUR WARRANTY.
• Use your mobile device and connect to the website
https:/www.championindustries.com/warranty-registration to
register your product.
• Complete the fax form on the next page and fax to 1-800 661-1660.
4:34 PM 44%

PRODUCT REGISTRATION
BY FA X
IMPORTANT IMPORTANT
Model Serial #
Date of Installation:
Company Name:
Telephone #: ( ) ---
Contact:
Address:
Address:
Telephone #:
Contact:
Installation Company:
(Street) State/Province
Zip/Postal Code
FAILURE TO REGISTER YOUR PRODUCT MAY VOID YOUR WARRANTY
PRODUCT REGISTRATION CARD
[phone] in the USA
1-[phone] in Canada
COMPLETE THIS FORM AND FAX TO:

Revision History
Revision History
Revision Revised Serial Number Revision
Date Pages Effectivity Description
4.29.19 All D190217104 Released first edition.
6.10.19 13-17 All Added deliming instructions.
9.5.19 9 D190617877 Added cycle counter to the
program.
10.11.19 10,20 D19108397 Change dependo-matic valve
to metal electric valve.
10.15.19 1,12 D19108397 Added 6" strainer to tank.
Specifications are subject to change based on continual product improvement.
i

Limited Warranty
Moyer Diebel Limited (herein referred to as Moyer Diebel, 2674 North
Service Road, Jordan Station, Ontario, L0R 1S0 and 3765 Champion Blvd.,
Winston-Salem, NC 27105) warrants machines, and parts, as set out
below.
WARRANTY OF MACHINES: Moyer Diebel warrants all new
machines of its manufacture bearing the name Champion, Moyer
Diebel and/or Nexus and installed within the United States and
Canada to be free from defects in material and workman-ship for
aperiod of one (1) year afterthe date of installation or fifteen (15)
months after the date of shipment by Moyer Diebel, whichever
occurs first. Products shipped outside of United States and Canada do
not have warranty. The warranty registration card must be returned to
Moyer Diebel within ten (10) days after installation. Warranty
registration must be submitted to Moyer Diebel within ten (10) days
after installation either online at: https://
www.championindustries.com/warranty-registration, or by fax on the
form provided in the front of this manual if warranty card is not
returned to Moyer Diebel within such period, the warranty will expire
after one year from the date of shipment. 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
adefect in workmanship or material is found to exist within the
warranty period, Moyer Diebel, at its election, will either repair or
replace the defective parts, machine or accept return of the machine
for full credit. In the event that Moyer Diebel elects
to repair, the labour and work to be performed in connection with
the warranty shall be done by a Moyer Diebel “Authorized Service
Agent” during regular working hours and will covered at normal rates
and any additional overtime rate will be at the responsibility of the
equipment purchaser. Warranty is covered up to 50 miles or 80 km’s
of travel from a Moyer Diebel authorized service technician. If travel
exceeds 50 miles or 80 km’s, then the end user will be responsible for
additional travel expense. Service calls initiated under warranty that
are found to not contain any defects in materials or workmanship, will
not be covered by Moyer Diebel. Defective parts become the
property of Moyer Diebel. Use of non OEM replacement parts not
authorized by Moyer Diebel will relieve Moyer Diebel of all liability in
connection with its warranty. In no event will Moyer Diebel’s warranty
obligation exceed Moyer Diebel’s charge for the machine. Models
that come with a factory paid start-up will be limited to one visit.
Machines found to have issues related to installation procedures, or
delays of any kind, will not be covered by Moyer Diebel and the sole
responsibility of the equipment purchaser.
The following are not covered by Moyer Diebel’s warranty:
a. Element tubes and/or squeeze tubes.
b. Vacuum breakers.
c. Replacement of fuses or resetting of overload breakers, or high
limits.
d. Adjustment of thermostats, or temperature controlling devices.
e. Adjustment of clutches.
f. Adjustments of water pressure(s).
g. Adjustments of chemical pumps.
h. Opening or closing of utility supply valves or switching of electrical
supply current.
i. Cleaning of valves, strainers, screens, nozzles, or spray pipes.
j. Performance of regular maintenance and cleaning as outlined in
operator’s guide.
k. Damages resulting from water conditions, accidents, alterations,
improper use, abuse, tampering, improper installation, low voltage
conditions, inadequate wiring, outdoor use, or failure to follow
maintenance and operation procedures.
l. Wear on Pulper cutter blocks, pulse vanes, and auger brush.
m. Damages due to improper storage.
n. Special installations or applications, including remote locations, are
limited in coverage by this warranty. Any installation that requires
extra work, and/or travel, to gain access to the unit for service is the
sole responsibility of the equipment purchaser.
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 foreign materials, water supplies, improper
chemicals, or 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 water
quality, or the installer, including machine table connections or by
connection of chemical dispensing equipment installed by others.
8. Failure to comply with all local building codes.
9. Damage caused by labor dispute.
WARRANTY OF PARTS: Moyer Diebel warrants all new machine
parts produced or authorized by 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, Moyer Diebel will replace the
defective part without charge.
DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY. MOYER DIEBEL’S
WARRANTY IS ONLY TO THE EXTENT REFLECTED ABOVE. MOYER DIEBEL
MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, ANY WARRANTY OF MERCHANTABILITY, OR FITNESS OF PURPOSE.
MOYER DIEBEL 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 MOYER DIEBEL DISHWASHING MACHINES
AND MOYER DIEBEL PARTS, AND ALL OTHER REMEDIES ARE EXCLUDED,
INCLUDING ANY LIABILITY FOR INCIDENTALS OR CONSEQUENTIAL DAMAGES.
Moyer Diebel does not authorize any other person, including persons who
deal in Moyer Diebel dishwashing machines, to change this warranty
or create any other obligation in connection with Moyer Diebel Limited
dishwashing machines.
Limited Warranty
ii

Revision History............................................................................................................................. i
Limited Warranty........................................................................................................................... ii
Safety Symbols - User Manual Display..........................................................................................iv
Table of Contents
Table of Contents
Operation.....................................................................................................1
Machine Assembly ..............................................................................................1
Detergent Requirement ......................................................................................2
Recommended Water Hardness .........................................................................2
Loading Wares ....................................................................................................2
Machine Controls................................................................................................3
Cycle Times.........................................................................................................4
Operation Sequence...........................................................................................5
Changing Cycle Times ........................................................................................7
Rinse Sentry ........................................................................................................8
Alarm Notifications .............................................................................................8
Cleaning ......................................................................................................10
Deliming............................................................................................................13
Maintenance................................................................................................17
Maintenance Schedules ............................................................................................17
Troubleshooting Chart ......................................................................................18
iii

Safety Symbols - User Manual Display
Safety Symbols
WARNING:
Warning statements indicate a condition or practice extremely important to the
health of the operator or the operation of the machine.
CAUTION:
Caution statements indicate a condition or practice that may result in damage to
the machine.
NOTE:
Note statements highlight important information necessary for the operation of
the machine.
The following symbols are used throughout this manual to alert the reader to important
information.
User Manual Display
Operation and cleaning instructions are available on the dishwasher digital display.
To access the manuals:
1 MIN CYCLE
WASH TEMP
Touch to Change READY
150
1. Press the 'TOOLS' button
2. Press the 'MANUALS' button
3. Press a manual to be viewed (Operation, Cleaning).
MANUALS
OPERATION CLEAN
BACK
4. Press 'BACK' to return to MAIN screen.
iv

Operation
Machine Assembly
Fig. 2
WASH SPRAY ARM
RINSE SPRAY ARM
Fig. 1
• Install the pump strainer.
• Install the scrap screens and screen spacer.
• Install the upper and lower wash and rinse spray arms. The arms are interchangeable.
• Make sure the arms spin freely.
To Assemble the dishwasher:
SCRAP SCREENS X 2
PUMP STRAINER
4. Press 'BACK' to return to MAIN screen.
1

Operation
Loading Wares
Fig. 3
• Wares should be scrapped and rinsed to remove large food particles and debris (Fig. 3).
• Load plates in peg racks, bowls and cups in flat-bottom racks, and glasses in a glass rack.
• Load silverware in a single layer in a flat-bottom rack.
• Load pots, pans, and utensils upside down in a flat-bottom rack.
• Load bake sheets and trays on the short edge in a bake sheet rack.
• Do not overload dish racks and only wash one dish rack at a time.
• Never wash objects such as mops, floor mats, or other foreign materials.
Detergent Requirement
Use a commercial grade NON-CHLORINATED detergent in this dishwasher.
Consult the chemical supplier for the rinse-aid requirements.
• A water supply with a water hardness of 3 grains/US Gal - 0.83 Imp. Gal - 51.3mg/L
or less is highly recommended.
Fig. 4
Recommended Water Hardness
2

WASH TEMP
150
SELECT CYCLE READY
Touch to Change
TIME REMAINING
Machine Controls
The pressure gauge is located at the top of the machine. The control panel is located on the
front left side of the lower panel.
A - Pressure Gauge - Displays the incoming water pressure.
B - Green Push Button Power Switch - Powers off display, heaters and opens drain.
C - Digital Touchscreen Display - shows machine status and time cycle selections.
C
A
Main Touchscreen Display
1
2
3
4
5
Select a 1, 2, 4, or 6 minute wash cycle.
Status window shows the machine operation
state such as, FILLING, READY etc.
Settings Icon accesses data and maintenance
menus.
Temperature display window shows wash and
final rinse temperatures.
Time Remaining area shows the elapsed time
for the Rinse, Dwell.
Fig. 5
1
2
3
4
5
B
3
Operation

STANDARD CYCLE OPTION* STANDARD CYCLE TIMES*
Dishwasher Cycle Option 1 Approx. 1 minute
Wash 36 seconds
Rinse 8 seconds
Dwell ** 16 seconds
Dishwasher Cycle Option 2 Approx. 2 minutes
Wash 94 seconds
Rinse 10 seconds
Dwell ** 16 seconds
Pot/Pan Cycle Option 4 Approx. 4 minutes
Wash 214 seconds
Rinse 10 seconds
Dwell ** 16 seconds
Pot/Pan Cycle Option 6 Approx. 6 minutes
Wash 334 seconds
Rinse 10 seconds
Dwell ** 16 seconds
Cycle Times
* Cycle times can be changed when machine is washing.
** Cycle pauses.
• The MDHHD cycle consists of a wash, rinse, dwell.
Operation
4

Operation
Operation Sequence
• Push the green power button on.
• FILLING is displayed
• READY displayed when the machine filled.
• Touch SELECT CYCLE button for 1, 2, 4, or 6 minute total cycle.
• Insert dish rack of wares and close doors.
• WASHING displayed during wash cycle.
• TIME REMAINING indicates the rinse, dwell, and recovery portions of the cycle are running.
• RINSING = 10 seconds and final rinse temperature is displayed
• DWELLING = 16 second pause.
• READY is displayed at the end of the cycle.
Detergent Rinse-aid
1
Check the chemical levels
in the containers.
2
Push the green power button
ON.
WASH TEMP
SELECT CYCLE FILLING
Touch to Change
3
'FILLING' is displayed as machine fills
automatically.
WASH TEMP
SELECT CYCLE
Touch to Change
4
The machine preheats. Minimum wash
temperature is 150ºF.
5

Operation
Scrap and load wares into dish rack.
Wash one rack at a time and do not
overload the rack. Slide the rack
into the machine and close the doors.
6
SELECT CYCLE READY
WASH TEMP
150
Touch to Change
5
When READY appears, touch the SELECT
CYCLE button to choose a cycle. Each touch
advances the cycle time between 1, 2, 4,
and 6 minutes.
NOTE: A cycle may be selected before
or after the door is closed. Cycle starts
when door is closed.
1 MIN CYCLE
WASH TEMP
150
WASHING
Touch to Change
1 MIN CYCLE
RINSE TEMP
185
RINSING
49
TIME REMAINING
Touch to Change
7 8
When the CYCLE is selected, the machine
starts and 'WASHING' is displayed.
At the end of the wash cycle the 10 sec.
final rinse begins. The RINSE TEMP display
must read between 185-195°F.
1 MIN CYCLE
WASH TEMP DWELLING
35
150 TIME REMAINING
Touch to Change
'DWELLING' is displayed as the
16 sec. DWELL begins.
91 MIN CYCLE
WASH TEMP
Touch to Change READY
150
10
The display returns to READY at the
end of the 1 MIN CYCLE. Open the
doors, and remove the rack of clean
wares.
Operation Sequence (continued)
6

Operation
Changing Cycle Times
• Starting a Dishwasher Cycle
A cycle time must be selected before closing the doors to start a cycle.
When "SELECT CYCLE' is displayed, the operator can open and close the doors without
starting another cycle. Pushing 'Select Cycle' and closing the door starts a cycle.
• Changing from a short cycle to a longer cycle.
Entering a longer wash cycle when a shorter cycle is running will extend the wash cycle.
• Changing from a long cycle to a shorter cycle while washing.
Entering a shorter cycle when a longer cycle is running will stop the longer cycle and
the short cycle will complete its time.
1 MIN CYCLE
WASH TEMP
150 180
RINSING
Touch to Change
READY
WASH TEMP
150 TIME REMAINING
SELECT CYCLE
Touch to Change
When displayed, Select Cycle must be
pressed to begin a cycle. Cycle can be changed when the
dishwasher is in cycle.
Caution:
Wares may be hot after washing. Be careful when removing wares.
7

Rinse Sentry
• This machine is equipped with a Rinse Sentry Feature that monitors the booster temp-
erature during the wash cycle and will extend the wash cycle time until a minimum of 180°F
is achieved in the tank. Once achieved, the machine will complete the wash cycle and
perform a final rinse.
Operation
Alarm/Notifications
Condition: Dishwasher is o; all heaters are disabled.
Cause: The machine was idle for user programmed time.
“SLEEP ” MODE
TOUCH THE SCREEN TO WAKE THE MACHINE.
SLEEP
Touch to Change
Condition: The dishwasher operation is locked out.
Cause: A temperature sensing thermistor has a problem.
Solution:
WASH TEMP
THERMISTOR
CALL FOR
SERVICE
“CHECK THERMISTOR” ALARM and LOCKOUT
Contact the service agent for repair.
Condition: The dishwasher has stopped lling.
Cause: The machine has lled for 6 minutes but has not lled.
Solution:
• Check the wash tank upper oat for something jamming it.
CHECK DRAIN
WASH TEMP
Touch to Change
“CHECK DRAIN” ALARM
TO RESET THIS ALARM:
Push the‘CHECK DRAIN’button once the problem is xed.
Call service if the machine continues to alarm.
TO RESET THIS ALARM:
Push the‘CHECK FLOATS’ button once the problem is xed.
Call service if the machine continues to alarm.
Condition: The dishwasher has stopped operation.
Cause: The upper oat is up but the lower oat is not made.
Solution:
• Check the wash tank lower oat to see if it is jammed.
CHECK FLOATS
WASH TEMP
“CHECK FLOATS ” ALARM
8

Cycle Counter
• This machine is equipped with a cycle counter that records the number of total cycles the
machine operates. The counter can be accessed when the machine is idle. The counter
can not be reset.
Operation
1 MIN CYCLE
WASH TEMP
Touch to Change READY
150
Press the "TOOLS" button.
Press the "CYCLE COUNT"
button.
• To access the counter:
"CYCLE COUNT" is displayed.
Press "BACK" and "MAIN" buttons to return
to the main screen.
9

Cleaning
Cleaning
To clean the dishwasher:
1. Push the power button OFF. The electric drain valve will open and the machine will drain.
The drain valve will remain open for 10 minutes. Instructions to manually open the drain
valve are on page 20.
2. Pushing the power button on and immediately off will open the drain valve for another 10
minutes.
3. Open the door and flush the interior with fresh water.
4. Remove the upper and lower wash and rinse spray arms and flush with clean water (Fig. 7).
5. Check the rinse spray arm nozzles. If necessary, remove the end plugs and clean the nozzles
with a small paper clip (Fig. 8). Flush the arms clean and replace the end plugs (Fig. 8).
6. Remove the scrap screens and pump strainer Flush and back flush the screens in a sink.
Do not strike the screens against hard surfaces.
7. Clean the drain in the bottom of the wash tank.
8. Clean the float switch.
• Clean the machine at the end of each meal period or after every 2
hours of continuous operation and at the end of the day.
CAUTION:
Dishwasher surfaces may be hot. Use caution when cleaning the
machine.
Fig. 6
10

Cleaning
Cleaning
Paper Clip
End
Plug
Wash Spray arm
Rinse Arm Spindle
Fig. 8
Fig. 7
WASH SPRAY ARM
RINSE SPRAY ARM
11

Cleaning
Cleaning (continued)
9. Clean the detergent probe with a non-metallic green Scotch Brite™ scrub pad.
10. Wipe the interior with a soft cloth.
11. Reinstall the scrap screens and spray arms making sure the spray arms spin freely.
12. Wipe the machine exterior clean with a soft cloth and mild detergent.
DO NOT FLUSH THE EXTERIOR OF THE MACHINE WITH WATER.
13. Leave the doors open to aid in overnight drying of the machine interior.
PUMP
STRAINER
Fig. 9
SCRAP SCREENS X 2
DRAIN
Float
Switch
Detergent
Probe
12