KAPASS H50U User manual

H50U Glass&Dish Washer
installation and operation manual
KAPASS COMMERCIAL DISHWASHER
V．001005

Contents
1 Safety Instruction………………………………………………………1
2 Brief introduction to the machine………………………………3
General…………………………………………………………………………3
Technical Data…………………………………………………………………4
3 Installation………………………………………………………5
Unpacking…………………………………………………………………………5
Location ……………………………………………………………………………5
Electrical Connections…………………………………………………………6
Plumbing Connections ………………………………………………………6
4 Operation……………………………………………………………8
Testing ………………………………………………………………………8
Control Panel……………………………………………………………………8
Preparation………………………………………………………………………10
Dish washing …………………………………………………………………11
Cleaning …………………………………………………………………………12
5 Maintenance…………………………………………………………13
6 Trouble Shooting……………………………………………………14
Appendix: Electrical Diagram

H50U Glass&Dish Washer installation and operation manual
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1 Safety Instruction
To ensure correct operating, the operators are supposed to
pay special attention to the following:
Safety
1, After purchasing, please contact professionals for guidance on installing and operating
the machine.
2, Relevant personnel must be regularly trained to understand the proper use and safe
operation.
3, Do not store or use gasoline or other flammable gases and liquids near the dishwasher.
4, Apply separate socket, the end of the ground wire must be reliably grounded. After
installed in place, the plug should be able to reach it.
5, Ensure that the machine is properly grounded to avoid electric shock. Please do not try
to disconnect the dishwasher plug by pulling power cord.
6, There should be overload devices like appropriate fuse in the dishwasher room, the
power supply system should be able to satisfy the need of the normal load requirements;
If you need to replace the power cord, please ask professionals or contact with our service
center.
7, Don't stretch your hands into the machine or open the door when the machine is
working, protecting users from electric shock and burns of water or steam .
8, To avoid accidents, please do not locate the dishwasher too close to the wall or install it
on tables above the ground.
9, For your safety, dishwasher disassembly is prohibited.
10, Security systems and electrical systems must be inspected regularly to ensure the
machine to stay at its best.
11, Disconnect the machine if there is obvious damage happened to the dishwasher,.
12, Disconnect the power supply before repairing the machine, non-professionals are
prohibited.
When operate the machine
1, The machine can only be used for washing cutlery, dishes and general utensils. If there
are damages caused by other purposes, we do not take any responsibility.
2, Apply only original parts. If there are damages caused by non-original parts, we do not
take any responsibility.
3, Only qualified and authorized personnels are allowed to use, maintain and repair the
machine.

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4, Before each operation, please check the water inlet hose and drain pipe if they are well
connected. Proper treatment should be done if there is water leakage or connection
looseness.
5, Do not place on top of the dishwasher heavy objects, heating appliances or items easy
to leak fluid.
6, Do not use flammable or toxic solvents as detergent.
7, Please replace in time the aging power lines or switches, and other spare parts aging or
damaged. To start machine in bad condition is strictly prohibited.
8, Don't start the machine when there are loose or damaged parts.
9, When the machine is not in use, please keep the door open. Disconnect the water and
power supply after finish operating.
Saving and Protecting
Water, electricity and chemicals saving will be beneficial to environmental protecting
and costs reducing.
1, Remove large food residue before cleaning tablewares, and then classify tablewares.
2, Decide the amount of detergent according to water hardness, dirtiness and quantity of
dishes , and follow instructions on the package.

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General
Your new H50U is a semi-automatic, rack type under counter glass&dish washer. Open
the front door to allow the rack to be pushed in or out. After filling, an automatic wash and
rinse cycle begins when the door is closed. In case of low water level, water will be filled in
automatically when the door is closed, an automatic wash and rinse cycle will begin after
reaching normal level.
The dishwasher is equipped with built-in 6KW or 3KW electric booster, inlet solenoid
valve and strainer basket.
2 Brief Introduction to the Machine

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Major Technical Data
Technical Data Unit H50U
Washing data
Max capacity rack/hour 40
Wash cycle s 90/120/180
Wash Temp °C 60～65
Rinse Temp °C 82～90
Tank capacity L 28
Water consumption/rack L 2.8
Plumbing
connections
Diameter of the water inlet hose in 3/4
Incoming water pressure Kg/cm22～5
Incoming water Temp °C 40～60 10～60
Diameter of drain pipe in 11/4
Power
connection
Power requirements V/Hz/Ph 220/50/1 380/50/3
Tank heater KW 3 2.8
Rinse heater KW 3 6
Wash pump KW 0.4
Total connected load KW 3.4 6.4
Total amps required A 16 10
Cross section of cable mm24 2.5
Rated current of circuit
breaker
A 25 16
Others
Max clear entry height mm 330
Working Noise db ＜70
Dim（L×W×H）mm 600×600×820

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3 Installation
Check the goods if they agree with the invoice. Please immediately contact the
shipping company or supplier if there is any doubt.
Unpacking
Immediately after unpacking, check for possible shipping damage. If the dishwasher
is found to be damaged, save the packaging material and contact the supplier within 15
days of delivery.
Before installing, check the electrical service to be sure it agrees with the electrical
specifications on the rating plate located on the right side of machines. After unpacking,
please take out the manual and parts not installed. Place the dishwasher in its operating
location. Turn the leveling feet as required to level the machine and adjust to the desired
height
Location
Place the dishwasher in its operating location. Before finalizing the location, make
sure that consideration has been given to the electrical wires, inlet water hose, drain
connection, chemical pumps(if equipped), adequate space for opening the door, for daily
cleaning and maintenance(Fig.1).
Drain Connection①
Dispenser Connection②
Water inlet hose connection③
Cable connection④
Fig.1

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The dishwasher must be level before any connections are made. Turn the leveling feet
as required to level the machine and adjust to the desired height.
A hood or vent may be required in order to meet local codes. The lowest ventilation
capacity should be 2.8m3/min(supplied by others).
Check before installation
Check if there are cracks on the appearance, looseness or damages in all
connections, electrical circuit, and other parts.
Electrical Connections
Please reach the control box for power connection, correctly connect power cords of
different color to power supply according to their descriptions and the electrical diagram at
inside of machine panel.
Cable and Switch Selection (correct selection of the power cords and break switch
is required for power supply )
The selection of power cord and switch, please refer to the table of "Major Technical
Data".
Plumbing connections
Connect the water pipe to the incoming water supply (3/4”NPT internal threads) , Please
thoroughly clean the hands before any installation staff connects water pipe to any manual
Warning
1, Electrical and grounding connections must comply with applicable portions of the
national electrical code and other local codes.
2, Prior to connecting the appliance, ensure that the voltage and the supply fuse
complies with the rating plate and configuration of the mains terminal block within the
appliance.
3, Disconnect the electrical power supply and place a tag at power switch indicating
that you are working on the circuit.
Warning
1, Water connections must comply with the hygiene and safety standards and water
installation regulations.
2, When flow pressure of incoming water is lower than 2Kg/cm2, it is better not to use
the machine.Because low water pressure would affect washing efficiency. The
temperature of incoming water should not exceed 65 ° C, and the pressure should not
exceed 5kg/cm2.

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valves or solenoid valves. The manufacturer takes no responsibility over any damages
and related cost caused by foreign bodies in manual or solenoid valve.
Gently pull the inlet hose to confirm fastening, turn on the faucet after installation, check if
there is leakage. Before each operation, please check if the taps and water inlet are
installed firmly, to prevent disconnection.
Water supply
Incoming Water Supply Requirements
Temperature Pressure（Dynamic）
℃℉Kpa Kg/cm2
With 3KW Booster
Heater
40～60 104～140 196～490 2～5
With 6KW Booster
Heater
10～60 50～140 196～490 2～5
Drain Connection
Connect the drain pipe below wash tank to a suitable drain. If a grease trap is required by
local code, there should be a minimum flow capacity of 95.5 liters per minute (21 gallons
per minute).
Note: Please test the incoming water pressure after installation, if the flow pressure is
lower than 2kg/cm2, please install booster pumps (provided by others); If the static
pressure is higher than 5kg/cm2, please install a pressure reducing valve (provided by
others).

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4 Operation
Testing
Water inlet hose
Please clean the inlet hose before connection, clean all the filters after initial operation
Plumbing connections and flow pressure
Check if the inlet hose is connected firmly, as looseness and leakage may happen in
transporting and carrying. Related non-standard flow pressure can lead to faults of the
machine.
Electrical Connection
Fasten all terminals in the control box, check if all of them are tightened, visual test for
all the electrical equipment if they are in good condition, (for example: switches, cables,
motor shell, etc.), and test all the functions of power switch.
Check the interior
Make sure that there are no irrelevant parts inside the machine (for example: hanging
cloth, screws, nuts, tools, packaging materials, etc.).
Operating of Control Panel
Basic requirements:
a．Working Temp.：0～50℃；
b．Humidity：40～93%；
c．Anti-interference：IEC—801standard
d．MTBF ：≥10,000 hours；
e．Voltage：AC380V/220V（+10%，-15%）50Hz±1Hz；
f．Relay Output: 220V/2A；
Control Panel
Warning
1. Disconnect the 380/220V AC power before installation, maintenance or
replacement, or it may be dangerous!
2. Installation and maintenance personnel must be trained electrical technicians!

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1, Function Keys
（1） ON“” Press this button to start the machine.
（2） SET：In "ON" mode, press SET to enter the parameter setting(Original Password
is 00)；
（3） Up“ ”: Press this button to select wash cycle (90 seconds / 120 seconds / 180
seconds). Display will disappear after 5 seconds when the cycle is chosen; Press
this button for temperature increase when at set mode, long press can keep
increasing.
（4） Down “ ”：Press this button for temperature decrease when at set mode, long
press can keep decreasing.
（5） Stop“ ”：Machine will stop operating when press this button.
2, Display
There are 4 LCD displays on the control panel. The 2 LCD on the left indicate
rinse temperature and 2 on the right indicates wash temperature.
Parameter Setting
（A）After powered on, press SET ,then enter the password to modify the following
settings :
1．P1 Max rinse temp（90-98 ), displayed in rinse temp LCD℃；
2．P2 Rinse control temp（70-90℃），displayed in rinse temp LCD；
3．P3 Wash temp（40-80℃）, displayed in wash temp LCD；
4．P4 Rinse limit Temp（10-82℃），displayed in rinse temp LCD；
5．P5 Water filling（0-40s），displayed in rinse temp LCD；
6．P6 Rinse time（8-15s），displayed in rinse temp LCD；
Press button Up“ ”or Down“ ”to change the settings when LCD blinks.

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Press button Up“ ”to select wash cycle 90 seconds / 120 seconds /180 seconds,
respectively shown as C1, C2, C3 in rinse temp LCD. Display will disappear after 5
seconds when the cycle is chosen
（B）Password setting：
1．Pd Enter password（00-99），displayed in rinse temperature LCD;
2．PC Enter setting mode，press SET for 2sec，enter password to set a new mode
（00-99）preset password is 00.
Alert
Type Display Error
Rinse Temp LCD
E1 Booster Temperature Sensor(T1) Fault
E2 Booster Temperature Sensor(T2) Fault
Wash Temp LCD E Tank Temperature Sensor(T3) Fault
Alert
Door Open/Close Mute Door Open or Door Detector Fault
Rinse Pump Keep Blinking Rinse Pump Overload
Preparation
Place the strainer basket and the filter pan in proper location. Insert overflow pipes
(Fig. 5).
Close the door.
Press button "ON" once, to start the computer control, press again, the machine will
fill automatically.
Open the door and make sure the wash tank is full of water after fill cycle is complete.
If automatic chemical pumps are installed, please follow the manufacturer's
instructions.
The wash and rinse cycle will start automatically when the door is closed.
Please start washing after the tank reaching appropriate temperature.

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Recommend Operating Temperature
Wash 60～65℃（140～149℉）
Rinse 82～90℃（180～194℉）
Dishwashing
Please remove large particles of food debris first.◆
Select suitable wash cycle 90s, 120s or 180s according to dish size and food soil.◆
Stack the dishes in a rack. Do not stack dishes one on top o◆f another as water must
have free access to all sides of every dish. Stand plates and dishes up edgewise in a peg
rack. Cups, glasses and bowls should be inverted in an flatware or compartment type
rack(Fig.3). Silverware and other small pieces may be scattered loosely over the bottom
of a flatware rack.
After filling a rack, open the doors, slide the rack into the dishwasher, and close the◆
door. The wash and rinse cycle will begin automatically, the wash cycle begins when the
door is closed and the rinse cycle begins after wash cycle is finished.
Whe◆n the wash and rinse cycle is finished, open the door and remove the rack of clean
dishes. Continue and sliding next rack and close the doors.
If you want to add tableware after the wash cycle has started. Please turn off the power,◆
and wait 10 seconds before opening the door. Allow the wash arms to stop automatically
to avoid hot water splashing out on the operators.
Fig.3
Strainer basket
Overflow
p
i
p
e
Fig.3

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Cleaning
It is recommended that the machine be thoroughly cleaned at the after each orperation or
at least daily.
The cleaning steps are as follows:
1. Turn off the power.
2. Open the door.
3. Drain the machine by pulling out the over flow pipe.
4. Remove and empty the strainer basket, filter pan and pump intake screen. Clean
them thoroughly.
5. Thoroughly clean the interior of the dishwasher .
6. Replace the strainer basket, filter pan and pump intake screen.
7. Leave the doors open to allow the interior to dry naturally.
8. Check if the wash and rinse arms rotate freely and are free of any obstructions.
9. Check rinse nozzles to make sure they are free of any lime or obstruction.

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5 Maintenance
Wash and Rinse Arms
Upper and lower wash and rinse arms should turn freely and continue turning for a
few seconds after being whirled by hand. When check arms, please disconnect the power
supply, then rotate the arms and remove any obstructions.
If the strainer basket, filter pan and pump intake screen are not properly placed, some
obstructions (such as food particles or bones) may clog the wash arm nozzles. The wash
arms are easily removed for cleaning.
To remove the wash and rinse arms, unscrew the knurled nut between the rinse and
wash rinse arms can be taken out(Fig.4).
Note:
When loose the knurled nut of upper wash
and rinse arms, hold firm the arms and be
careful not to drop them. Upper and lower
wash and rinse arms are interchangeable.
Booster Heater Maintenance
Because of strong power, it is easy to form water scale on the heater surface,
affecting heat conduction, so regular monthly maintenance and cleaning is required.To
disassemble the heater, please turn off all power supply, and place a tag at the power
switch indicating that you are working on the circuit., switching on is strictly
prohibited .Thoroughly clean the elements and clear scale debris at the booster bottom.
After finished, the wiring should be connected as required to avoid accidents, please
contact our service center or local dealer under any doubts.
Maintenance of water pipes
Impurities in the filter valve of inlet hose must be regularly cleared every month to
ensure smooth water flow.
Service
If any repairs and adjustments are needed , please contact your local authorized
service office.
Warning
Before any maintenance begins, please disconnect the electrical power supply and
place a tag at the power switch indicating that you are working on the circuit.

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6 Trouble Shooting
Trouble Shooting Techniques
This section may help you avoid a service call. If a symptom persists after the
possible causes have been checked, please contact our service center or local authorized
service office.
Symptom Possible Causes & Suggested Solution
No machine
operation
1. Open the door and close it.
2. Blown fuse or tripped circuit breaker at power supply.
3. Check if fuse at control circuit is blown.
Long wash
cycle
1. Water temperature in booster is too low
2. Water in booster is below high level sensor; please examine line strainer and
solenoid valve.
Dishes not
clean
1. Wash pump rotating in wrong direction.
2. Insufficient water pressure due to obstruction at pump intake screen.
Disconnect power supply, drain wash tank and check.
3. Low water temperature. Insufficient warm-up time. Check thermostat and
heater.
4. Incorrect detergent dispensing. Contact your detergent representative.
5. Excessive mineral deposits through wash and rinse system. Deliming may
be necessary.
Spotting
silverware,
glasses, and
dishes
1. Racks are improperly loaded.
2. Incorrect rinse water temperature.
3. Low water pressure due to pump obstruction
4. Excessively hardness of water.
5. Incorrect detergent for water type.
6. Incorrect rinse aid for water type.
7. Incorrect concentration of detergent and rinse aid
Inadequate
rinse
1, Dirty line strainer causing reduced water flow. Turn off water supply,
disconnect water inlet hose and solenoid valve. Reassemble the strainer after
remove and clean it
2, Low water pressure at water supply
Leaking valve
Foreign material prevents proper valve operation. Note: It's critical for a check
after installation, for compound or metal shavings of water pipe may lodge at the
valve. Shut off water supply. Unscrew and take out bonnet from valve body.
Clean the valve and reassemble.
No or slow fill
1. Dirty line strainer causing reduced water flow. Turn off water supply,
disconnect water inlet hose and solenoid valve. Reassemble the strainer after
remove and clean it
2. Low water pressure at water supply

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7 After sale service
Dear users:
Thank you for using our products, our company will follow related provisions from
"Consumer Protection Act", and provide you services with warranty card and invoice.
We provide 12-month warranty from the date of purchase (invoice date ). In warranty
period, our company is responsible for free replacement parts and services if there is
device faults or quality problem of spare parts under correct operation.
The following does not belong to free services:
1, Damages result from transportation, installation, improper use of pipes;
2, Component damages caused by failing to provide power and voltage as required in
technical datas;
3, Damages caused by disassembling products, adjust or changes the mechanicals and
electrical structures without permission;
4, Damages caused by improper operation, cleaning and maintenance;
5, Non-man-made damage, such as damages from abnormal voltage, fire, building
collapse, lightning, floods and other natural disasters, and damages from rats and other
pests ;
6, Failure in following notes on the manual when operating;
7, Consumable and expendable parts;
8, Altered invoice or with no invoice and warranty card.
Contact Us
Kapass Catering Equipment Limited Liability Company
Adress：2104 21/F Easey Commercial Building, 253-261 Hennessy Road, Hong Kong
Tel : [phone]
Fax : [phone]
Mail:[email protected]
Website：www.kapass.com.hk