CMA Dish Machines UC65E M2 User Manual

CMA Dishmachines 12700 Knott A venue Garden Grove, CA 92841

Toll Free: 1- (800) 854-6417 Fax: 1- (714) 895-2141

Installation/Operation Manual with Service Replacement Parts

Undercounter High Temperature Dishwasher

Model:

UC65e M2

CMA Dishmachines 12700 Knott Avenue Garden Grove, CA 92841 Toll Free: 1 (800) 854-6417 Fax: 1 (714) 895-2141

Machine Serial No.

Issue Date: 03.26.20

Manual P/N 10310.00 rev. G

For machines beginning with S/N W160861096 and above

Printed in the USA

0513903/F

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

Model Number__________________________ Serial Number_______________________

oltage________________Hertz_____________ Phase__________________

V Service Agent __________________________________ Tel:______________________ Parts Distributor _________________________________ Tel:______________________

National Service Department

CMA Dishmachines 12700 Knott Avenue Garden Grove, CA 92841 Toll-free: 1 (800) 854-6417 Fax: 1 (714) 895-2141

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 lower front panel.

Please have this information ready

if you call for service assistance.

Revision History

• The Revision History can contain part number changes, new instructions, or information that was not available at print time.

• We reserve the right to make changes to these instructions without notice and without incurring any liability by making the changes..

• Equipment owners may request a revised manual, at no charge, by calling CMA Dishmachines at 1 (800) 854-6417.

Revision Revised Serial Number Revision Date Pages Effectivity Description

8.25.16 All W160861096 Released First Edition.

10.10.16 31 All Changed Item 6 to P/N 13658.00.

10.31.16 All All Reviewed and updated parts lists.

4.6.17 2 All Added GFI breaker to Item 2.

9.12.17 17, 48, 49 All Removed PRV data.

1.2.18 27 All Reversed P/N's 6 and 7.

3.15.18 22-23 W171072011 Changed Item 15 to P/N 2106.30.

7.18.18 27 All Reversed P/N's 6 and 7.

1.28.19 50 All Updated Schematic.

Model Description

UC65e M2

High temperature hot water sanitizing dishwasher with built-in 40°F/22°C rise booster heater. 208-240VAC/60/1

Table of Contents

Model UC65e M2 Undercounter Dishwasher

Revision History...................................................................................................................i

Model Description ................................................................................................................ii

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

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

Electrical Connections .........................................2

Water Connections ..............................................4

Drain Connections ...............................................4

Initial Start-up .........................................................................................................................6

Check List ...........................................................6

Chemical Dispensing Pumps ..............................7

Priming ................................................................9

Adjusting .............................................................10

Operation .............................................................................................................11

Normal Wash Mode ............................................11

Safe-T-Temp ........................................................12

Cleaning and Maintenance ...........................................................................................13

Cleaning ..............................................................13

Deliming ..............................................................15

Maintenance ........................................................16

Troubleshooting ...................................................17

Service Replacement Parts ..........................................................................................19

Electrical Schematic

Timing Chart

............................................................................................................................51

........................................................................................50

iii

Blank Page

This Page

Intentionally

Left Blank

Installation

Counter-top

Wall

3" [8cm] Min.

34"

[86cm]

Min.

Floor

Receiving

NOTE:

The installation of your dishwasher must be performed by qualied service personnel.

Problems due to improper installation are not covered by the Warranty.

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 accessories that may have shipped with your dishwasher.

4. Move the dishwasher near its permanent location.

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.

CAUTION:

Be careful when lifting and moving the dishwasher to prevent damage to the machine.

NOTE:

The installation of the dishwasher must comply with local health codes.

5. Compare the installation site utility connections with the dishwasher utility connections and make sure that they are the same.

6. The dishwasher can be installed as a free-standing unit or under a built-in counter-top. The typical counter-top height in most locations is 34" [86cm].

7. Under counter installations should provide storage space for the dishwasher chemical supply containers. Containers must not be placed higher

than 10" [25cm] above the oor.

8. Chemical supply containers should be placed as close as close to the machine as possible.

9. Place the dishwasher in its permanent location.

10. The dishwasher has 4 adjustable feet for leveling.

11. Level the dishwasher front-to-back and side-to-side.

Installation

Electrical Connections

WARNING: Electrocution may occur when working on ener-

gized circuits. Disconnect power at the main breaker or service disconnect switch, then lock out and tag it to indicate that work is being performed on the circuit.

CAUTION: Permanent damage to the dishwasher may occur if it is improperly connected to the main electrical supply. Never install a power cord and plug to the dishwasher or connect the dishwasher to a standard or GFI electrical outlet

GFI

or GFI electrical breaker. The dishwasher must be hard-wired to a dedicated appropriately sized circuit breaker or service disconnect switch.

1. Check the electrical specications on the machine data plate then remove the lower front panel to access the power input terminal block on the base of the machine.

2. Do not use a power cord and plug or connect to a standard or Ground Fault Interrupter (GFI), electrical outlet or a Ground Fault Interrupter (GFI) breaker. The dishwasher must be hard-wired to a junction box or service disconnect switch.

40˚F/22˚C Rise Electric Booster (4kW) 70˚F/39˚C Rise Electric Booster (6kW)

Maximum

Overcurrent Overcurrent

Protective

Device

(Breaker Size) (Breaker Size)

Elec. Specs

Rated Amps

Minimum

Supply

Circuit

Ampacity

208/60/1 22 30 30

240/60/1 24 30 30

Minimum

Supply

Circuit

Ampacity

Elec. Specs

Rated Amps

208/60/1 29 40 40

240/60/1 31 40 40

Maximum

Protective

Device

20 40

psi

20 40

psi

20 40

0 60

psi

0 60

DATA PLATE

FRONT PANEL

SCREW LOCATION

Installation

Electrical Connections

NOTE: A qualied 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.

FOLLOW THE STEPS BELOW TO CONNECT THE INCOMING POWER.

REMOVE THE LEFT SCREW ON THE

FRONT LIP OF THE TERMINAL BOX.

LIFT AND REMOVE THE COVER

TO ACCESS THE TERMINAL BLOCK.

TERMINAL ENCLOSURE

GROUND LUG

208/240V

L1 L2

NEUTRAL

115V

STRAIN-RELIEF KNOCKOUT

STOP

SERVICING.

CONNECT THE INCOMING

POWER AS SHOWN AT LEFT.

INCLUDES A CURRENT CARRYING NEUTRAL.

AN ADDITIIONAL WIRE MUST BE PROVIDED FOR

A 30" / 76 cm SERVICE LOOP MUST BE PROVIDED BEHIND THE UNIT FOR

THREAD THE POWER CABLE THROUGH THE MIDDLE SLOT IN THE DISHWASHER REAR PANEL.

SECURE THE CABLE TO THE TERMINAL BOX USING THE PROPER STRAIN RELIEF.

208-240V/60Hz/1

THREE POWER WIRES WHICH

MACHINE GROUND.

Installation

Water Connections

NOTE:

Plumbing connections must comply with national or local plumbing and sanitary codes.

Make sure that the exible water supply and drain hoses are not kinked.

1. All models have a 6 ft. exible hot water ll hose with a 3/4" GHT connector.

2. A 1/2" or larger main incoming supply line should be installed to the dishwasher.

3. A 1/2" or larger shut-off valve should be installed in the water supply line as close to the dishwasher as possible for service.

4. The hot water supply must provide a minimum of 140°F/60°C, measured at the dishwasher for the 40°F/ 22°C rise booster.

5. For the 70°F/39°C rise booster the hot water supply must provide a minimum of 110°F/43°C measured at the dishwasher.

6. A water hardness of 3 grains/U.S. gal [51.3 mg/L] or less is recommended.

! ATTENTION !

Do not connect the drain hose to a disposer. The dishwasher will not drain correctly.

Drain Connections

1. The dishwasher has a 6ft. 3/4" I.D. drain hose. The maximum drain height connection must not exceed 3 ft. [9 m].

The recommended drain height is 18" [.4 m] or less above the floor.

2. The drain hose is secured to the rear of the machine by a clamp to maintain a

goose-neck bend in the drain hose.

3. A 3/4" hose barb fitting is strapped to the drain hose to use in connecting the

drain hose to building drain line. The service part number for the hose barb is P/N 0512321.

4. Install the drain hose to a "WYE" drain tting. Connection to a "TEE" tting will prevent the dishwasher from draining completely.

5. The maximum drain ow is 8 U.S. gpm/7 Imp. gpm/30 L.P.M.

6. Make sure the drain hose does not kink. Kinks will prevent the dishwasher

from draining completely, and the dishwasher will overow out the front door.

Installation

Drain Connections

DRAIN MUST BE VENTED TO PREVENT SYPHONING

DRAIN HOSE

3/4" MNPT HOSE ADAPTER

*18"

20 40

psi

0 60

OPTIMUM

1-1/2" WYE FITTING

*3FT. MAX

The dishwasher exible drain hose must be connected to a WYE FITTING.

DO NOT REPOSITION THE DRAIN HOSE

DO NOT ADD AN EXTENSION TO THE DRAIN HOSE

Initial Start-up

Check List

1. Remove any protective lm from dishwasher. Check the interior for foreign material.

2. Make sure that the dishwasher is permanently located.

3. Make sure that all utility connections are complete.

4. Make sure that the exible drain hose and the hot water ll hose are not kinked.

5. Make sure that the chemical supply containers are full and that the chemical pick-up tubes are installed in the proper containers.

6. Make sure that the sump lter is in place.

7. Make sure that the overow tube is installed and rmly seated in the sump.

8. Make sure that the spray arms are in place and that they spin freely.

9. Fully close the dishwasher door.

10. Turn hot water supply on and check for leaks in the main water supply piping connected to the dishwasher.

! IMPORTANT !

During the initial ll, the owing pressure of the incoming water

is set to 20-22 PSI.

Install the scrap screen, overow tube, and spray arms.

Make sure the spray arms turn freely.

Initial Start-up

Chemical Dispensing Pumps

! A TTENTION !

Contact a local chemical supplier for detergent and rinse-aid chemicals. The detergent

should be a non-chlorinated liquid detergent. The chemical dispensing pumps are

adjusted by the chemical supplier.

1. The dishwasher is equipped with a built-in detergent dispensing pump and rinse-aid dispensing pump. (See the photographs below.)

2. The pumps are located on the lower panel behind the lower-front access panel.

3. Each pump is equipped with 6 feet [1.8 m] of pick-up supply tubing, a stiffener tube, and a strainer.

4. A red label marked DETERGENT is attached to the detergent pump inlet tubing.

5. A blue label marked RINSE-AID is attached to the rinse-aid pump inlet tubing.

6. The detergent enters the wash tank compartment through a tting at the right rear of the wash compartment. (See the illustration on the next page).

7. The detergent supply should be a non-chlorinated liquid detergent.

Detergent Pump

Rinse-aid Pump

The dispensing pumps are located behind the

front panel.

A stiffener tube, strainer and pick-up

tubing are supplied with the built-in

detergent and rinse-aid pumps.

Initial Start-up

Detergent Injection Point

Chemical Dispensing Pumps (continued)

8. The rinse-aid enters the nal rinse piping through a tting located on the upper-left rear side of the

dishwasher. The tting is located near the vacuum breaker. The chemical supplier will choose the

appropriate liquid rinse-aid.

9. Your chemical supplier should adjust the dispensers for the supplied product.

10. Place the chemical supply containers as close to the dishwasher as possible.

11. Do not elevate the chemical containers above the nished oor.

Chemical Injection Points

The illustrations below show the location of the detergent and the rinse-aid injection points.

Detergent enters the wash tank compartment through a

tting on the rear wall of the wash tank compartment.

Rinse-aid Injection Point

The rinse-aid enters the nal rinse piping at the top-rear of

the dishwasher near the vacuum breaker.

Initial Start-up

Chemical Dispensing Pumps

Priming the Chemical Dispensing Pumps

The chemical dispensing pumps must be primed during initial start-up and whenever a chemical container. A momemtary two position PRIME switch is located on the front control panel to do this. The Detergent dispensing pump is primed when the Prime switch is pushed UP to the DET position. The Rinse-aid dispensing pump is primed when the Prime switch is pushed DOWN to the R/A position.

OFFON

POWER

Chemical Dispenser Prime Switch

1. Make sure the chemical containers are full and the correct pick-up tubes are in the

2. Turn the dishwasher power switch ON. The switch will illuminate and the dishwasher will

3. Once the ll is complete, open the dishwasher door, then push and hold the prime push

4. Push and hold the prime push button DOWN to the R/A (rinse-aid) position for thirty

DET

R/A

PRIME

ON OFF

EXT. WASH

STARTDRAIN

containers.

ll with water.

button UP to the DET (detergent) position until detergent is observed entering at the rightrear of the wash tank compartment.

seconds. Release the push button.

5. Close the door.

Initial Start-up

CCW

Chemical Dispensing Pumps

Adjusting the Chemical Dispenser Pumps

The amount of detergent and rinse-aid that are dispensed during the dishwasher cycle are controlled by adjustable cams on the timer assembly. Variables such as the type of chemicals used and the hardness of the water supply often require that the timer cam settings must be changed. It is recommended that the chemical supplier make these adjustments. (Refer to the illustration below).

NOTE:

Only the Detergent and the Rinse-aid cams are adjustable. Do not attempt to adjust any other timer cam.

To adjust the chemical dispensing pump timer cams:

1. Remove the lower-front access panel. The timer assembly is located on the right-side of the electrical component panel.

2. Make sure the dishwasher power is OFF.

3. The detergent timer cam has 2 halves. Hold the stationary right-half of the cam and turn the left-half of the cam counter-clockwise to increase the amount of detergent that is dispensed. Turn the left-half clockwise to decrease the detergent dispensed.

4. The rinse-aid timer cam has 2 halves. Hold the stationary left-half of the cam and turn the right-half of the cam counter-clockwise to decrease the amount of rinse-aid that is dispensed. Turn the right-half clockwise to increase the amount of rinse-aid dispensed.

HOMING

CAM

WASH

PUMP

DRAIN

PUMP

RINSE VALVE

DET. PUMP

RINSE

AID

PUMP

EXTEND

WASH

SAFE-T

TEMP

Operation

Normal Wash Mode

Follow the instructions below to operate the dishwasher in a Normal Wash Mode. A Safe-T-Temp feature holds the dishwasher in a wash mode if the booster heater temperature is below 180ºF/82ºC.

1. Turn the main power on at the main circuit breaker.

2. Install the sump lter, overow tube and spray arms.

3. Make sure the exible drain hose and the exible ll hose are not kinked, then turn the water supply on.

4. Close the dishwasher front door.

5. Push the dishwasher Power Switch to the ON position.The power switch will illuminate and the

machine will ll with water.

6. Check the pressure gauge as the machine lls and make sure the incoming water pressure is between 20-22 psi.

7. Wait 15-minutes for the WASH temperature gauge to indicate a minimum of 150ºF/66ºC.

8. At the beginning of the day, run 2 empty cycles before checking the final rinse operating temperature. The first cycle will take longer to reach the proper temperature.

If the wash temperature is low for an extended period of time, drain the machine

and rell with fresh water. Run two empty cycles and then check that the wash tank

temperature gauge indicates 150°F/66°C.

! A TTENTION !

9. Load soiled wares into the dish rack. Place plates, glasses, cups and bowls in a peg rack. Place utensils in a single layer in a flat-bottom rack. Place pots and pans in a flat-bottom rack. Do not overload the dish racks.

10. Slide 1 dish rack into the wash compartment making sure that wares do not interfere with the rotating spray arms. Do not wash more than 1 dish rack at a time.

11. Close the front door fully, then press and hold the START BUTTON for 1-second. The green in-cycle light will illuminate and the wash cycle will begin. The wash cycle time runs for approximately 1-1/2 minutes. (continued on next page)

20-22 PSI

150°F/66°C

180-195°F

82-91°C

120

140

100

Final Rinse

Temperature

160

180

200

220

PSI

CHAMPION INDUSTRIES, INC.

WINSTON-SALEM,NC

Final Rinse

Pressure

120

140

100

160

220

180

200

100

Wash

Temperature

The pressure and temperature gauges are located on the lower-left corner

of the lower-front access panel.

Operation

Normal Wash Mode

12. Opening the door when the dishwasher is in-cycle will stop the dishwasher. The cycle will resume automatically when the dishwasher door is closed fully.

13. The nal rinse cycle begins at the end of the wash cycle and runs for approximately 15 seconds Check the

RINSE temperature gauge during the nal rinse and make sure that it indicates a minimum of 180ºF/82ºC.

The acceptable range of operation is180-195ºF/82-91ºC.

14. At the end of the rinse cycle, the in-cycle light will go out. Open the door and remove the clean rack of wares. Repeat steps 8-12 for additional dish racks.

15. Refer to the Cleaning Instructions, "After Each Meal Period or every 8 Hours of Operation", on page 15 for the procedures to drain and clean the dishwasher.

(continued)

Safe-T-Temp Mode

The nal rinse water temperature must be a minimum of 180ºF/82ºC during the final rinse cycle to ensure that all

wares are sanitized. If for any reason, the hot water temperature in the booster tank cannot provide this temperature, the dishwasher will enter a Safe-T-Temp Mode of operation and extend the cycle time.

The Safe-T-Temp changes the Normal Operation Mode as described below:

1. The Safe-T-Temp constantly monitors the water temperature inside nal rinse booster.

2. If the temperature inside the booster heater falls below 180ºF/82ºC then the Safe-T-Temp will extend the wash cycle time until the booster heater water temperature reaches the proper temperature.

3. The in-cycle light will remain illuminated during the Safe-T-Temp Mode.

4. The RINSE water temperature gauge must be monitored to ensure that a minimum of 180ºF/82ºC is maintained during the rinse cycle.

5. The temperature range for the final rinse water is180-195ºF/82-91ºC.

6. An extraordinarily long wash cycle may indicate a low incoming water temperature or a problem with the booster heater operation.

DO NOT REMOVE WARES UNTIL THE FINAL RINSE CYCLE HAS

SANITIZED THE WARES AND THE GREEN CYCLE LIGHT GOES OUT.

Extended Wash Mode

The Extended Wash Mode is used to wash heavily soiled items such as pots, pans and other wares that require more washing time than the standard 100-second Normal Wash Mode. The dishwasher will remain in the Extended Wash Mode until the operator exits the mode.

1. Load a dish rack into the dishwasher, close the door.

2. Press and hold the START button for 1-second then release.

3. The green in-cycle light will illuminate and the dishwasher will begin a normal wash cycle.

4. Press the EXT WASH button to place the dishwasher in the Extended Wash Mode.

5. The green extended wash light will illuminate indicating that the machine is in the Extended Wash Mode.

6. The dishwasher will continue to wash until the operator presses the EXT WASH button again.

7. Press the EXT WASH button. The green extended wash light will go out indicating that the dishwasher has returned to the Normal Wash Mode.

8. The dishwasher will nish the wash cycle and perform a nal rinse of the wares.

+ 40 hidden pages