Champion UH330 ADA Installation Manual

Installation/Operation Manual with Service Replacement Parts

Undercounter Dishwashers

M4 Series

UH330 ADA

Heat Recovery
High Temperature
with built-in booster
Fresh Water Final Rinse

UH330 ADA

3765 Champion Blvd.,
Winston-Salem, NC 27105
[phone] Fax: [phone]
Toll-free: [phone]

Issue Date: 9.30.16

Manual P/N 116141 rev. A

For machines beginning with S/N W140946406 and above

2674 N. Service Road, Jordan Station
Ontario, Canada L0R 1S0
[phone] Fax: [phone]
Toll-free: [phone]

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:______________________

National Service Department

In the USA:
Toll-free: [phone]
Tel: [phone]
Fax: [phone]
email: [e-mail]

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.

COPYRIGHT © 2016 All rights reserved Printed in the USA

Product Registration

REGISTER YOUR PRODUCT to
ACTIVATE YOUR WARRANTY.

4:34 PM 44%

Three ways to register:

• Use your mobile device to scan the QR code located on the front panel of your

machine or enter our URL http://www.champdw.us/UH330 ADA.

• Visit our website at:

http://www.championindustries.com/warranty-registration

• Use the FAX FORM on the next page.

PRODUCT REGISTRATION

IMPORTANT IMPORTANT

BY FAX

COMPLETE THIS FORM AND FAX TO:

[phone] in the USA

1-[phone] in Canada

PRODUCT REGISTRATION CARD

Model

Date of Installation:
Company Name:

Address:
Telephone #: ( ) ---

Serial #

(Street) Province Postal Code

Contact:

Installation Company:
Address:
Telephone #:
Contact:

FAILURE TO REGISTER YOUR PRODUCT MAY VOID YOUR WARRANTY

Revision History

Revision History

A revision might be a part number change, a new instruction, or other 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 1 [phone] in the USA.

Revision Revised Serial Number Revision
Date Pages Effectivity Description

9.30.16 All W140946406 Released First Edition

i

Limited Warranty

LIMITED WARRANTY

Champion Industries (herein referred to as Champion), 3765 Champion Blvd., Winston-Salem, North Carolina 27105, and
2674 N. Service Road, Jordan Station, Canada, L0R 1S0, warrants machines, and parts, as set out below.

Warranty of Machines: Champion warrants all new machines of its manufacture bearing the name "Champion" 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, whichever occurs first. [See below for
special provisions relating to glasswashers.]

Warranty registration must be submitted to Champion within ten (10) days after installation either online on the Champion
Industries website (http://www.championindustries.com/register) in the USA or http://www.championindustries.com/canada/
register in Canada or by fax on the form provided at the front of this manual. If warranty registration is not returned to Champion
within such period, the warranty will expire after one year from the date of shipment.

Champion 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, 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, Champion'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 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 authorized service
technician. Defective parts become the property of Champion. Use of replacement parts not authorized by Champion will
relieve Champion of all further liability in connection with its warranty. In no event will Champion's warranty obligation exceed
Champion's charge for the machine. The following are not covered by Champion'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. 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 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 warrants all new machine parts produced or authorized by Champion 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 will replace the defective
part without charge.

DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY. CHAMPION'S WARRANTY IS ONLY TO THE EXTENT
REFLECTED ABOVE. CHAMPION MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT
LIMITED, TO ANY WARRANTY OF MERCHANTABILITY, OR FITNESS OF PURPOSE. CHAMPION 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 CHAMPION DISHWASHING MACHINES AND CHAMPION PARTS, AND ALL
OTHER REMEDIES ARE EXCLUDED, INCLUDING ANY LIABILITY FOR INCIDENTALS OR CONSEQUENTIAL DAMAGES.

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

ii

Table of Contents

Table of Contents

Model UH330 ADA

Revision History
Limited Warranty
Model Description

........................................................................................................ i

...................................................................................................... ii

..................................................................................................... iv

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

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

Placement .............................................................................................................1

Electrical Connections - UH330 ADA with Booster 1PH and 3PH Wiring Diagram ......... 2

Connecting Incoming Power to the Main Terminal Block 1PH and 3PH ..........................3

Booster Heater Conversion from 1PH to 3PH Operation .............................................. 6

Completing the 1PH to 3PH Electrical Conversion ...................................................... 8

Water Connection .................................................................................................. 9

Drain Connection ................................................................................................. 10

Chemical Connections - Chemical Injection Points .................................................... 12

Pump Priming - Detergent and Rinse-aid Dispensing Pumps ........................................ 14

Pump Adjustments - Detergent and Rinse-aid Dispensing Pumps .................................. 15

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

Loading Dish Racks ............................................................................................ 17

Control Panel and Wash Mode ............................................................................. 19

Rinse Sentry Mode .............................................................................................. 20

Drain Mode ........................................................................................................ 21

Cleaning ................................................................................................ 22

Cleaning the Wash Tank ...................................................................................... 22

Cleaning the Rinse Arms ...................................................................................... 23

Cleaning the Wash Arms ..................................................................................... 23

Cleaning the Scrap Screen and Sump Strainer ........................................................ 24

Deliming ........................................................................................................... 25

Maintenance ........................................................................................... 26

Daily, Weekly, Monthly ........................................................................................ 26

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

Service Replacement Parts ...................................................................................... 37

Electrical Schematics and Timing Charts

................................................................... 71

iii

Model Description

UH330 ADA
Heat Recovery/Condensate Removal with Dry Assist

Fresh Water Pumped Final Rinse

High temperature hot water sanitizing dishwasher with built-in electric booster.
Two built-in chemical dispensing pumps - Detergent, Rinse-aid
Field convertible from single phase to three phase operation.
208-240VAC/60/1 and 3 phase

Optional Equipment (consult factory)

Peg dish rack - P/N 101285
Flat-bottom dish rack - P/N 101273
17" Stand
6" Stand

iv

Installation

Counter-top

Wall

2" [51mm] Min.

34"

[864cm]

Min.

Floor

42-3/8"

[1076 mm]

Min.

Receiving

NOTE:

The installation of your dishwasher must be performed by qualified service personnel familiar
with food service equipment and must comply with all local health codes.
Problems due to improper installation are not covered by the Limited 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.

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

Placement

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.

NOTE:

The dishwasher front-to-back dimension with the
door open is 42-3/8" [1076 mm]. The clearance
to the back wall is 2" [51mm].

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. Compare the installation site utility connections with the dishwasher utility connections and

make sure they are the same.

5. The dishwasher can be installed as a free-standing unit or under a counter-top. The typical

counter-top height in most locations is 34" [864 mm]. It is highly recommended that the
underside of the counter-top be clad in metal.

6. Under counter installations should provide storage space for the dishwasher chemical

supply containers. Do not elevate the containers above the finished floor.

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

the chemical tubing taped to the back of the machine should be repositioned before
permanently placing the machine.

8. The dishwasher has 4 adjustable feet for leveling.

9. Place the dishwasher in its permanent location. and level it front-to-back and side-to-side.

1

Installation

Electrical Connections - UH330 ADA with Built-in Booster
1PH and 3PH Wiring Diagrams

! ATTENTION !

ALL DISHWASHERS ARE SHIPPED FROM THE FACTORY WIRED FOR SINGLE PHASE

OPERATION UNLESS SPECIFIED AT THE TIME OF ORDER.

IF YOU ARE CONVERTING A SINGLE PHASE MACHINE TO THREE PHASE BE SURE

TO FOLLOW THE BOOSTER WIRING INSTRUCTIONS ON PAGES 71-72.

Refer to the connection diagrams below to connect main incoming power to the dishwasher.

THREE PHASE POWER CONNECTION

Models UH330 ADA

GRD

L1 L2 L3 N

115VAC

208-230

VAC

208-230 VAC

! VERY IMPORTANT !

THE ELECTRICAL POWER MUST BE A

4-WIRE PLUS GROUND SUPPLY WHICH

INCLUDES A CURRENT CARRYING NEUTRAL.

HOW TO CONNECT 3 PHASE POWER

1. Check the data plate on the front of the

dishwasher for the phase of the machine.

If the data plate says the machine is 3 Phase,

.

then connect a 3 PH power supply.

2. Remove the lower access panel.

3. Pull power connection box forward and out.

4. The Main Terminal Block has terminals for

L1, L2, L3, Neutral and Ground.

5. Connect ground, then connect

L1, L2, L3 to 208-230VAC.

6. Connect a current carrying neutral to N.

7. Main power connections are complete.

208-230

VAC

SINGLE PHASE POWER CONNECTION

Models UH330 ADA

GRD

Do not connect power to L3

L1 L2 L3 N

115VAC

208-230

VAC

! VERY IMPORTANT !

THE ELECTRICAL POWER MUST BE A

3-WIRE PLUS GROUND SUPPLY WHICH

INCLUDES A CURRENT CARRYING NEUTRAL.

HOW TO CONNECT 1 PHASE POWER

1. Check the data plate on the front of the

dishwasher for the phase of the machine.

If the data plate says the machine is 1 Phase,

.

then connect a 1 PH power supply.

2. Remove the lower access panel.

3. Pull power connection box forward and out.

4. The Main Terminal Block has connections

for L1, L2, L3, Neutral and Ground.

5. Connect ground, then connect

L1, L2 to 208-230VAC.

6. Connect a current carrying neutral to N.

DO NOT CONNECT POWER TO L3.

7. Main Power connections are complete.

0 VAC

0 VAC

2

Connecting Incoming Power to the Main Terminal Block
for 1PH and 3PH Machines with Boosters

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 or service disconnect switch to
indicate that work is being performed on the circuit.

! VERY IMPORTANT !

PROVIDE A 3 FEET/1 METER SERVICE LOOP IN THE POWER SUPPLY

CABLE TO SERVICE THE DISHWASHER.

Installation

! SINGLE PHASE POWER REQUIREMENT !

SINGLE PHASE UH330 ADA

The electrical power must be a 3-wire plus ground supply which

includes a current carrying neutral.

! THREE PHASE POWER REQUIREMENT !

THREE PHASE UH330 ADA

The electrical power must be a 4-wire plus ground supply which

includes a current carrying neutral.

3

Installation

Connecting Incoming Power to the Main Terminal Block
for 1PH and 3PH Machines with Boosters

Refer to the photo below:

1. Remove the lower front dishwasher panel.

2. Remove the retaining fasteners (A) from the swing-out brackets and swing the
chemical pump bracket (B) and the chemical circuit board bracket (C) out of the way
as shown.

3. Remove the screw holding the main terminal block cover and set the cover aside.

A

B

C

A

Main Terminal Block Cover

(continued on next page)

4

Installation

Connecting Incoming Power to the Main Terminal Block
for 1PH and 3PH

Refer to the photo below:

4. Provide a 3 foot/1 meter service loop in the power supply cable to service the machine

5. Route the power cable from the rear of the machine to the terminal block making sure
the cable does not touch the booster heater.

6. Connect the power cable to the terminal block bracket using a suitable strain relief
connector.

7. Connect the power wires according to the wiring diagrams for either single phase or
three phase operation.

8. Return the main terminal block bracket to its original position making sure the power
cable does not touch the booster tank. Install the retaining screws.

9. Swing the chemical pump bracket and the chemical board back into position and
secure with the existing fasteners.

Main Terminal Block Cover Main Terminal Block

5

Installation

Booster Heater Conversion from 1PH to 3PH Operation

! VERY IMPORTANT !

THE BOOSTER HEATER IS WIRED FOR 1PH OPERATION WHEN SHIPPED.

FOLLOW THE INSTRUCTIONS BELOW TO WIRE THE BOOSTER FOR 3PH.

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 or service disconnect switch to
indicate that work is being performed on the circuit.

1. To convert the booster heater from single phase to three phase operation, locate the
booster wire labeled 1H3 that is cable-tied to the booster hose.

2. Remove the shrink insulation from the terminal and connect to the booster heater
element as shown in the wiring diagram on page 72.

The three phase booster wire (1H3) is cable-tied to the hose adjacent to the booster tank.

6

Installation

Booster Heater Conversion from 1PH to 3PH Operation (continued)

! VERY IMPORTANT !

THE BOOSTER HEATER IS WIRED FOR 1PH OPERATION WHEN SHIPPED.

FOLLOW THE INSTRUCTIONS BELOW TO WIRE THE BOOSTER FOR 3PH.

3. Disconnect the existing booster heater wires and change the booster heater element
jumpers as shown in the illustration below

4. Connect wires 1H1, 1H2, and 1H3 as shown below.

Booster Heater

Connected for 1PH

Wire not

connected

1H2

1H1

1H3

1H3

Wiring Diagram - Booster heater element connections shown for 1 phase and 3 phase operation.

Booster Heater

Connected for 3PH

1H1

1H2

5. A replacement 3PH data plate is stowed on the back of the lower front access panel.

6. Replace the existing 1PH data plate on the front of the panel with the new 3PH data plate.
Discard the 1PH data plate.

7. Refer to the instructions on the next page to connect the main incoming power to the
machine.

7

Installation

Completing the 1PH to 3PH Electrical Conversion

! ATTENTION !

CHANGE THE DATA PLATE ON THE LOWER FRONT PANEL OF THE MACHINE

AFTER THE MACHINE IS WIRED FOR 3PH AND THE BOOSTER HEATER IS CONNECTED

FOR 3PH.

1. The data plate on the dishwasher lower front panel must be changed after the

machine is converted from single phase operation to three phase operation.

2. Locate the replacement data plate stowed on the back of the lower front panel.

3. Remove the paper backing from the label and carefully place it over the existing

data plate label making sure it covers the label completely.

4 Re-install the lower front panel to complete the conversion.

A three phase data plate is located on the back of the lower front panel.

8

Installation

Water Connection

! ATTENTION!

THE MODEL UH330 ADA REQUIRES A SINGLE 1/2"

INCOMING COLD WATER SUPPLY LINE

Model UH330 ADA

1. Equipped with a 6 ft. flexible cold water fill hose with a 3/4" female garden hose connector.

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

3. We recommend that a 1/2" or larger shut-off valve be installed in the main water supply,

as close to the dishwasher as possible for servicing.

4. The UH330 ADA has a built-in flow control. The flowing incoming cold water supply pressure

must be between 25-95 psi.

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

42-3/8" [1076mm]

CW

26-3/4"

[679mm]

CW

Side View Plan View

CW = 1/2" Cold Water Supply

55-80°F/12-26°C

9

Installation

Drain Connection

! VERY IMPORTANT !

IMPROPER INSTALLATION OF MACHINE DRAIN HOSE.

Machine drain problems are often the result of improper installation and may not

be covered by the limited warranty.

! VERY IMPORTANT !

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

! IMPORTANT !

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

1. The UH330 ADA is a pumped drain and is equipped with a 6 ft.. 5/8" I.D. drain

hose. The maximum drain height connection must not exceed 3 ft.[1 m].

2. The drain hose is located at the rear of the dishwasher, and is secured to the rear of

the machine provide an anti-siphoning loop in the drain hose.

3. A 3/4" hose barb fitting is strapped to the drain hose prior to shipment.

The service part number for the hose barb is P/N 0512321.

4. Additional plumbing parts must be supplied by the plumbing installer.

5. The maximum drain flow is 15 US gpm/12.4 imp gpm/60 lpm.

42-3/8" [1076mm]

DH

26-3/4"

[679mm]

10

DH

Side View Plan View

DH = Drain Hose

5/8" I.D., 6 ft [1829 mm] Long

Installation

Drain Connection (continued)

NOTE

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

DO NOT CONNECT THE DRAIN HOSE TO A DISPOSER.
DO NOT REDUCE THE SIZE OF THE DRAIN HOSE CONNECTION.
DO NOT ADD ADDITIONAL LENGTH TO THE DRAIN HOSE.
DO NOT ALLOW THE DRAIN HOSE TO KINK.

For a Direct Drain Connection:

1. Install the drain hose to an 1-1/2" or larger "WYE" vented drain fitting.

2. CONNECTION TO A "TEE" FITTING WILL PREVENT THE DISHWASHER FROM
DRAINING COMPLETELY.

Drain Hose

Clamp

(Supplied by others)

connect the dishwasher flexible drain

hose to a WYE drain fitting.

3/4" NPT Hose Barb

Drain
Adapter
Fitting

DO

Fitting

WYE
Fitting

DO NOT

connect the dishwasher flexible

drain hose to a TEE drain fitting.

For an Indirect Drain Connection:

1. A 1" [25.4mm] minimum air gap must be provided between the outlet of the dishwasher
drain hose outlet and the flood-level rim of the floor drain, floor sink or any other locally
approved drain receptacle. (See illustration below.)

Dishwasher
Drain Hose

Floor

Minimum
Air Gap
1” [25.4mm]

Floor Drain

11

Installation

Chemical Connections

! VERY IMPORTANT !

ALWAYS USE A COMMERCIAL-GRADE NON-CHLORINATED DETERGENT.

PLACE THE CHEMICAL SUPPLY CONTAINERS AS CLOSE TO THE MACHINE AS POSSIBLE.

DO NOT ELEVATE THE CHEMICAL CONTAINERS ABOVE THE FINISHED FLOOR.

! VERY IMPORTANT !

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

adjust the chemical dispensing pumps for water hardness and food soil types.

Chemical Dispensing Pumps

1. The detergent and rinse-aid pumps are located on the lower left-side of the machine
behind the lower-front access panel.

2. Each pump is equipped with 6 feet [1.8 m] of pick-up tubes consisting of supply tubing,
stiffener tubes, and strainers.

3. The pick-up tubes are stowed on the back of the machine for shipping.

4. A red label marked DETERGENT and a blue label marked RINSE-AID identify the
chemical lines.

5. The chemical squeeze tubes should be inspected and replaced every six months.

RINSE-AID

DETERGENT

The chemical dispensing pumps are located on

the left-side behind the lower front panel

of the dishwasher.

12

The chemical dispensing pick-up tubes are

stowed on the back of the dishwasher.

Installation

Chemical Connections (continued)

! VERY IMPORTANT !

ALWAYS USE A COMMERCIAL-GRADE NON-CHLORINATED DETERGENT.

PLACE THE CHEMICAL SUPPLY CONTAINERS AS CLOSE TO THE MACHINE AS POSSIBLE.

DO NOT ELEVATE THE CHEMICAL CONTAINERS ABOVE THE FINISHED FLOOR.

Chemical Injection Points

1. The detergent enters the wash tank compartment through a fitting at the
right rear of the wash compartment.

2. Rinse-aid enters the final rinse through a fitting in the front of the booster tank.

DETERGENT

INJECTION

POINT

RINSE-AID

INJECTION

POINT

13

Installation

Chemical Connections

Priming the Dispensing Pumps

! VERY IMPORTANT !

The chemical dispensing pumps must be primed before operating the dishwasher and

whenever the chemical container is changed.

ON

OFF/DRAIN

POWER

UH330 ADA Control Panel

1 5 0

WASH

TEMPERATURE

1 8 0

RINSE

DETERGENT

RINSE AID

PRIME

NORMAL

EXTRA

HEAVY

1. The chemical dispensing pump supply lines must be primed before they will pump the

chemicals properly.

2. Make sure the chemical containers are full and

the correct pick-up tubes are in their containers.

3. Turn the dishwasher power switch ON. The

DETERGENT

switch will illuminate and the dishwasher
will fill with water.

4. Open the dishwasher door, then push and hold

the prime push button UP to the DETERGENT
position until detergent is observed entering

RINSE AID

PRIME

the wash tank compartment. Release the push
button.

STARTCYCLE

14

5. Push and hold the prime push button DOWN to the Rinse-aid position until you see air

bubbles moving through the rinse-aid tubing, then continue to hold the prime push button
for approximately 1 minute and then release.

6. Close the door to complete the priming operation.

(continued on next page)

Installation

Detergent and Rinse-aid Dispensing Pump Adjustments

Chemical Dispensing Pump Adjustments

! ATTENTION !

The amount of dispensed chemical is determined by the run time of the dispensing time.

Refer to the photo below:

1. The chemical dispensing pump run adjustment screws are located on the end of the

chemical circuit board swing-out bracket.

2. It is not necessary to swing the bracket out to make adjustments, but if desired, remove

the mounting nut (A) and swing the bracket (B) out and to the right.

3. Refer to the next page for adjustment instructions.

A

B

B

! VERY IMPORTANT !

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

adjust the chemical dispensing pumps for water hardness and food soil types.

15

Installation

Detergent and Rinse-aid Dispensing Pump Adjustments

Chemical Dispensing Pump Adjustments (continued)

! ATTENTION !

THE FILL AND SANITIZER ADJUSTMENT SCREWS ARE NOT USED ON THE

UH330 ADA MACHINE.

Refer to the photo below:

To adjust the amount of chemicals dispensed
by the pumps:

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

3. Turn the dishwasher power switch ON.
The switch will illuminate and the dishwasher
will fill with water.

4. Run a normal dishwasher cycle and test
detergent and rinse-aid concentrations
according to the chemical supplier's
instructions.

CAUTION:
Excessive pressure to the potentiometers when
adjusting can result in bent or broken adjusting
screws.

5. Each dispensing pump has a clearly marked
adjustment screw. Turn the screw CW to
increase the run time of the dispensing pump
and CCW to reduce the run time.

Use a 4mm

blade

screwdriver

16

Operation

Operation

Loading Dish Racks

! VERY IMPORTANT !

DO NOT OVERLOAD THE DISH RACK.

LOAD ONE DISH RACK INTO THE MACHINE AT A TIME.

1. Prescrap and rinse the wares before loading to remove large food particles.

2. Load soiled wares into the dish rack. Place plates and glasses in a peg rack. Place

cups and bowls in a flat bottom 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 rack. Wash one dish rack at a time.

3. Slide one dish rack into the wash compartment making sure that wares do not interfere

with the rotating spray arms. Do not wash more than one dish rack at a time.

Prescrap and rinse wares before

loading into the machine.

Load plates and glasses in a peg

rack.

17

Operation

Loading Dish Racks (continued)

Load pots and pans in a

flat-bottom rack.

Load utensils in a single layer

in a flat-bottom rack.

Load cups and bowls in a

flat-bottom rack.

NEVER stack dish racks.

Wash one dish rack at a time.

18