CMA Dishmachines UC65e User manual

Undercounter
High Temperature
Dishwasher
Installation/Operation Manual with Service Replacement Parts
CMA Dishmachines
12700 Knott Avenue
Garden Grove, CA 92841
Toll Free: 1 [phone]
Fax: [phone]
Issue Date: 11.18.13
Manual P/N 0512865 rev. D
Printed in the USA
For machines beginning with S/N W090217876 and above
Machine Serial No.
Models:
UC65e
UC65e
CMA Dishmachines
12700 Knott Avenue
Garden Grove, CA 92841
Toll Free: 1- [phone]
Fax: 1- [phone]

COPYRIGHT © 2013 All rights reserved Printed in the USA
For future reference, record your dishwasher information in the box below.
Model Number__________________________ Serial Number_______________________
Voltage________________Hertz_____________ Phase__________________
Service Agent __________________________________ Tel:______________________
Parts Distributor _________________________________ Tel:______________________
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.
National Service Department
CMA Dishmachines
12700 Knott Avenue
Garden Grove, CA 92841
Toll-free: 1 [phone]
Fax: [phone]

i
Revision History
Revision Revised Serial Number Revision
Date Pages Effectivity Description
6.04.09 All W090217876 Released First Edition
3.15.11 22-23 W090217876 Added motor fan cover to parts list
1.04.11 31 W090217876 Item 5 changed to P/N 0513110
33 Item 6 changed to P/N 0512120
Item 18 changed to P/N 0312840
35 Item 13 changed to P/N 0512855
6.09.11 44-45 W090217876 Item 13 changed to P/N 0312924
46-47 W090217876 Changed door assembly to P/N 0713141
4.19.13 5 All Added hose barb to instructions
24-55 W120631743 Revised pressure gauge piping
26-27 W120631743 Added P/N 109069 thermostat
  All  Revisedll/draintimer,P/N0713133
30-31 W120631743 Revised pressure gauge piping
34-35 All Added hose barb P/N 0512231
 46-47 All  AddedDoordripseals,P/N0512953
and P/N 0512954
53-62 All Added parts installation instructions
6.25.13 2-3 All Added hard wiring info to installation
11.18.13 All All Converted 0xxxxxx P/N's to CMA standards
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 [phone].

ii
Model Description
Model Description
UC65e
High temperature hot water sanitizing dishwasher with built-in 40°F/22°C rise booster heater.
208-240VAC/60/1

iii
Model UC65e Undercounter Dishwasher
Revision History...................................................................................................................i
Model Descriptions..............................................................................................................ii
Installation ..............................................................................................1
Receiving....................................................................1
Electrical Connections................................................2
Water Connections.....................................................4
Drain Connections......................................................5
Initial Start-up..........................................................................................6
Booster Fill Switch......................................................6
Assembly....................................................................8
Chemical Dispensing Pumps......................................9
Priming..............................10
Adjusting............................11
Operation................................................................................................................13
Normal Wash Mode....................................................13
Saf-T-Temp.................................................................14
Cleaning and Maintenance........................................................................15
Cleaning......................................................................15
Maintenance...............................................................18
Troubleshooting ..........................................................19
Service Replacement Parts.......................................................................21
Electrical Schematic..............................................................................................51
Timer Chart .............................................................................................52
Service Parts Installation Instructions .......................................................53
Booster Thermostat P/N 109069 ...............................54
Pressure Gauge Piping Change.................................56
Fill/Drain Timer P/N 0713133 .....................................58
Fill/Drain Timer - Theory of Operation........................................................62
Table of Contents
Table of Contents

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This Page
Intentionally
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1
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
Receiving
Counter-top
Wall
3" [8cm] Min.
34"
[86cm]
Min.
Floor

2
Installation
Electrical Connections
The Main Terminal Block (MTB) is located on the left-rear corner
of the electrical panel.
ATTENTION:
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
Main Terminal Block
GFI
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.
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 nor connect
the dishwasher to a standard or GFI electrical outlet.
The dishwasher must be hard wired to a dedicated appropriately
sized circuit breaker or service disconnect switch.
WARNING:
CAUTION:

3
1. Refer to the connection diagram below:
2. Machines require a 3-wire plus ground supply which includes a current carrying neutral.
3. Do not use a power cord and plug nor connect to a standard or Ground Fault Interrupter, (GFI),
electrical outlet.
4. The dishwasher must be hard wired to a junction box or service disconnect switch.
5. Power connections must be made at the Main Terminal Block (MTB) on the dishwasher.
The MTB is located on the left-rear corner of the electrical panel behind the front access panel.
(See the illustration at the bottom of page 2.)
Installation
Electrical Connections
1. Remove the lower front access panel of the dishwasher.
2. Locate the electrical mounting panel on the right-side of the machine.
Remove the retaining nut at the top of the panel that holds the
panel in place.
3. Lower the panel and pull it forward to gain access the MTB.
4. Feed the power cable through the cable hole located
on the right side, as viewed from the front of the machine,
into the interior of the machine.
5. Make sure the cable passes through the cable mounting
bracket located near the front-center of the
base and secure the cable with a cable connector.
6. Connect the ground wire to the base of the dishwasher
with the ground screw provided next to the
cable mounting bracket.
7. Feed the remaining cable wires to the Main Terminal
Block and connect according to the connection
diagram to the right.
To Connect Main Power to the Dishwasher:
L1 L2 N
208-240
VAC
115VAC
GRD
SINGLE PHASE POWER CONNECTION
115/208-240VAC/60/1
HOW TO CONNECT POWER
1. Check the data plate on the front of the
dishwasher for the voltage of the machine.
2. Remove the lower-front access panel.
3. Lower the electrical component bracket.
4. Feed the power cable from the rear of the
dishwasher to the center of the machine
and through the cable bracket.
5. Connect the ground wire to the base of the
dishwasher using the ground screw located
near the bracket.
6. Feed the power leads to the terminal block.
7. Connect L1, L2 and a currrect-carrying
neutral to the Main Terminal Block.
8. Main Power connections are complete.
To Dishwasher
Main Terminal Block
Hard Wiring
From Rear of Machine
L1L2 N
GRD
Cable Bracket
Hard wire the dishwasher using the dishwasher
cable bracket.
GFI

4
Installation
Water Connections
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.
Note
Plumbing connections must comply with national, local plumbing and sanitary codes.
IMPORTANT
Make sure that the exible water supply and drain hoses are not kinked.