Yamato UCR101 Bedienungsanleitung

UNDERCOUNTER & COUNTERTOP

REFRIGERATOR

UCR101 / UCR101G

MODEL

INSTRUCTION MANUAL

- FIRST EDITION –

•Thank you for purchasing UCR101 / UCR101G Undercounter &

Countertop Refrigerator of Yamato Scientific.

•To use this unit properly, read this "Instruction Manual" thoroughly

before using this unit. Keep this instruction manual around this unit

for referring at any time.

WARNING: Carefully read and thoroughly understand the important

warning items described in this manual before using this unit.

Yamato Scientific America Inc.

Santa Clara, CA

CONTENTS

♦RECEIVING ……………………………………………………………….

♦INSTALLATION INSTRUCTIONS………………...…………………….

♦REFRIGERATOR OPERATION ………………………………………..

♦ELECTRONIC TEMPERATURE CONTROL ………………………….

♦QUICK TROUBLESHOOTING GUIDE ………………………………...

♦MAINTENANCE AND CLEANING ……………………………………..

♦INSTRUCTIONS TO CHANGE CONTROLLER FROM ºC TO ºF…..

♦WARRANTY INFORMATION ……………………………………..…….

READ THIS BOOK!

Note to Customer:

This merchandise was carefully packed and thoroughly inspected before leaving our plant.

Responsibility for its safe delivery was assumed by the carrier upon acceptance of the shipment.

As directed on the side of your packing carton, claims for loss or damage sustained in transit must

be made on the carrier as follows:

A.) Visible Loss, Damage, Shortage External Evidence of Loss or Damage: This type of

damage must be noted on the freight bill and acknowledged by the carrier’s agent (driver) at time

of delivery. Make sure you get a signed copy. Send a written request for an inspection to the

carrier.

B.) Concealed Damage: This type of damage may not be discovered until the unit is being

unpacked. When concealed damage is discovered, stop unpacking immediately and contact the

carrier immediately to report the claim and request an inspection. This should be done as soon

as possible and, in any case, must be done within 15 days or receiving the merchandise. If at all

possible, do not move the item and save all packaging material for carrier’s inspection.

C.) FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN THE CARRIER

REFUSING TO HONOR YOUR COMPANY’S CLAIM. UNDER NO CIRCUMSTANCES

SHOULD THE MERCHANDISE BE RETURNED TO THE MANUFACTURER. NO RETURNS

WILL BE ACCEPTED WITHOUT PRIOR AUTHORIZATION.

Part number 20068, Rev 0

RECEIVING

Your unit was built, packaged, and inspected with extreme care. We shipped it to you using

carriers we trust with a proven track record of careful handling, good customer service, and on

time delivery. Unfortunately, regardless of all of these efforts sometimes accidents happen and

occasionally those accidents result in shipping damage. When the carrier picked up the

merchandise from us, they assumed responsibility for its condition en route to you. Thus, any

claims for shipping damage must be filed with the carrier. Like anybody else, carriers don’t like

to pay out on insurance claims, so their claims procedures and requirements are very

restrictive. You should consult the carrier’s website for their specific claims procedures. You

should also know that time is of the essence.

There are two general types of shipping damage. The first is visible damage. This type of

damage includes visible loss, damage, shortage or any external evidence of loss or damage that

is visible at time of delivery. This type of damage must be noted in detail on your delivery

receipt. Make sure the driver signs and dates the delivery receipt, acknowledging the

damage. This has to happen at the time of delivery or it won’t happen at all. Keep a copy for

your records and send another to the carrier’s damage claims department along with a formal

request for an inspection report. Follow up with a phone call. Their contact information can be

found on the carrier’s web site.

The second type of shipping damage is concealed damage. This type of damage will probably

not be apparent at time of delivery and may not be discovered until unpacking and inspecting

the unit. Remember, time is of the essence here. You should unpack and inspect the unit as

soon as possible. Each day that passes reduces the likelihood that the carrier will pay the claim.

As soon as the concealed damage is discovered, stop unpacking and retain all packing

materials. Contact the carrier by phone to report the claim. Note the date and time and

person you spoke with. Get a claim number. Follow up with a written letter referencing the

claim number and including a formal request for an inspection. Again, consult the carrier’s

website for specific claim instructions and follow them precisely.

AS STATED ABOVE, THE CARRIER IS YOUR SOLE SOURCE FOR SATISFACTION OF A DAMAGE

CLAIM. UNDER NO CIRCUMSTANCES SHOULD THE MERCHANDISE BE RETURNED TO THE

MANUFACTURER. NO RETURNS WILL BE ACCEPTED WITHOUT PRIOR AUTHORIZATION.

Part number 20068, Rev 0

INSTALLATION INSTRUCTIONS

UNCRATING

Move your refrigerator as close to the

final location as possible before

unpacking. Remove the carton and

the styrofoam strips. The location

should be as close as possible to the

power outlet so no extension cord is

needed.

LEVELING

You can level your unit with the screw-

type adjustable leveling legs on the front corners of the unit. Turn counterclockwise to raise

the corner; turn clockwise to lower it. Leveling legs are required in front only. Unit may

have a slight tilt from front to back. This is acceptable and is recommended on this unit.

POWER SOURCE

The supply circuit to this cabinet must

conform to all National and Local

Electrical Codes. Consult the cabinet

Serial-Data plate for voltage, cycle,

phase, and amp requirements before

making connection. VOLTAGE

SHOULD NOT VARY MORE THAN 5%

FROM SERIAL PLATE RATINGS. A

separate circuit is recommended to prevent possible loss of

product due to over-loading or failure of other equipment on the

same circuit. PROTECT THE CIRCUIT WITH A 20 AMP DELAY-TYPE

FUSE OR CIRCUIT BREAKER. Do not use an extension cord. Be

sure your unit is properly grounded. Use the 3-prong plug

provided into a 3-prong grounded outlet. (Only this method

complies with national electrical codes, local codes and

ordinances.) Unless the above grounding method is followed, you

are not protected against severe or lethal shock in the event of a

short circuit of an electrical component or wiring of the unit.

Part number 20068, Rev 0

STARTING

There are no compressor shipping bolts to loosen or valves to open. All that is necessary after

the unit has been properly leveled is to plug the service cord into an electrical outlet When

starting this new appliance, allow the cabinet to operate a minimum of four hours or until it has

started cycling normally before placing product in the cabinet. The motor compressor may

start and stop several times when the unit is first started or after defrosting, especially if the

weather is very hot. This is normal. The motor compressor will cycle normally as soon as the

excess heat has been removed.

TEMPERATURE CONTROL

NOTE: The control is preset at the factory to provide the desired air and product

temperatures inside of the unit and requires no further adjustment. Please

contact the manufacturer’s Technical Service Department before making any

adjustments to determine if adjustment is necessary and, if so, to make sure it is

performed properly.

This unit has an electronic temperature controller located on the front panel above the door.

This controller controls the compressor. Operation of this controller is described starting on

page 7 of this manual.

Part number 20068, Rev 0

REFRIGERATOR OPERATION

After the unit is properly installed and power is applied, it will take some time before the

system is cooled down to temperature and cycling normally. You should wait 4 hours on the

first startup before beginning to add product to the unit. This ensures that the unit is installed

and operating properly before being put into service.After this wait time, the unit should be

cycling in the desired temperature band. The units are calibrated before leaving the factory, so

no adjustment should be necessary.

Loading the units will again cause temperature to rise as the warmer product is introduced into

the compartment. If a large amount of product is to be introduced, it is a good idea to do it in

stages, allowing several hours between stages to allow temperature to stabilize again before

introducing additional warm product. This will minimize the temperature transient while

loading. Other tips for successful loading include:

-Leave about 2-3 inches of free space along the back and sides of the unit to allow for proper

air flow and, therefore, more even cooling of the product.

-When loading the top shelf, avoid blocking the evaporator fan(s) (if installed). There should

be at least 4 inches of clearance around the fan to allow proper air flow.

-Do not overload the unit. Maximum suggested load is about 75% of the chamber volume.

Additionally, the load should be distributed evenly from top to bottom and side to side for

best results.

-Minimize the time the door is open. On top of letting the cold air out, you are also letting

warm, moist air in which can result in more condensation and/or frost in the unit.

Remember that the units are calibrated to the desired temperature band before leaving the

factory. We also do extensive testing to ensure that these temperatures will result in product

temperatures in the desired band. There should be no need to adjust the temperature control

on these units, but if it is necessary, they can be adjusted using the electronic temperature

control on the front of the unit.

It is STRONGLY RECOMMENDED that you contact the manufacturer’s Technical Support

Department prior to performing any temperature adjustments to ensure the adjustment is

necessary and, if so, it is performed correctly.

Part number 20068, Rev 0

ELECTRONIC TEMPERATURE CONTROL

Description and Functions

The Electronic Temperature Control is a digital microprocessor based temperature control,

indication, and alarm system. It continuously monitors the temperature of the

refrigerator/freezer through its sensor assembly. When the temperature warms to the point

where it reaches the upper temperature limit, the controller sends a signal to turn on the

compressor, which cools the unit. The snowflake icon will illuminate on the display. The

compressor is kept running until the temperature reaches the cold setting. When this lower

temperature set point is reached the controller turns off the compressor and the snowflake

icon extinguishes. The refrigerator/freezer warms over time and the process continues.

The Electronic Temperature Control also provides the following functions:

•Red LED for visual indication of an alarm condition

•Beeper for audible indication of an alarm condition

•A preprogrammed 5 minute delay from the time a set point is attained until an alarm

condition is declared. This prevents spurious alarms for things like door openings.

Operating Mode

The Electronic Temperature Control normally displays the current interior temperature in

degrees Celsius. To display the compressor off set point, press the SET button and release. The

display will momentarily display the set point and then revert to the current temperature.

The control also records the warmest and the coldest temperatures seen by the controller since

the memory was last reset. To access these temperatures, press the up arrow for the warmest

temperature or press the down arrow for the coldest temperature. To clear out the memory,

press the corresponding arrow button. Immediately press and hold the SET button until the

“rSt” message is displayed. The corresponding temperature memory is now erased.

Part number 20068, Rev 0

Programming Mode

Note: The programming mode gives access to several functions that are

not intended for user adjustment. The procedures below provide

direction to the functions that you can adjust. Please do not attempt to

change any of the other functions in the programming area or your unit

may be damaged or become unstable.

Locking and Unlocking the Control

The control keys can be locked out to prevent inadvertent operation.

To lock the control keys, simultaneously press and hold the up arrow and the down

arrow. The display will show “POF”. At this point you can only use keys to view the SET

temp and the minimum and maximum stored temperatures.

To unlock the control keys, simultaneously press and hold the up arrow and the down

arrow. The display will show “Pon”. The control keys are now unlocked and you can

perform the programming functions below.

Adjusting the temperature control set points:

NOTE: The temperature control set points are preset at the factory to

provide the desired air and product temperatures inside of the unit and

require no further adjustment. Please contact the manufacturer’s

Technical Service Department before making any adjustments to

determine if adjustment is necessary and, if so, to make sure it is

performed properly.

-To set the compressor off set point, press and hold the SET key for 2 seconds. The current

value will be displayed and the C or F icon will flash. Use the up or down keys to change the

value. Press SET again to lock in the value.

-To set the compressor on set point, you will need to adjust the differential, or Hysteresis

setting. This is the number of degrees the controller will allow temperature to drift up until

it restarts the compressor. For example, if the SET point is 3 degrees Celsius and the

Part number 20068, Rev 0

Hysteresis is set at 3, then the compressor will cycle from 3 to 6 degrees Celsius. To change

this value, press SET and DOWN keys for 3 seconds to enter programming mode. “Hy” will

display meaning Hysteresis. Press Set again and the current value will be displayed. Use the

UP and/or DOWN arrow keys to adjust the value and press SET again to lock it in. Press SET

and UP to return to Operating Mode.

Adjusting other User Adjustable settings:

-To change between Celsius and Fahrenheit scales, press SET and DOWN keys for 3 seconds

to enter programming mode. “Hy” will display. Press the UP or DOWN keys several times to

cycle through the parameters until “CF” is displayed. Press SET to display the current setting

(either C for Celsius or F for Fahrenheit). Use the UP or DOWN key to choose the desired

setting. Press SET again to lock it in. Press SET and UP to return to Operating Mode.

To change the Hi or Low Alarm set points, press SET and DOWN keys for 3 seconds to enter

programming mode. “Hy” will display. Press the UP or DOWN keys several times to cycle

through the parameters until “ALU” for Alarm Upper (High Temperature Alarm) or ALL for

Alarm Lower (Low Temperature Alarm) is displayed. Press SET to display the current value.

Use the UP and/or DOWN key to choose the desired value. Press SET again to lock it in.

Press SET and UP to return to Operating Mode.

Part number 20068, Rev 0

QUICK TROUBLESHOOTING GUIDE

Check these items before calling for service

PROBLEM:

POSSIBLE CAUSE / SOULTIONS:

Unit does not run

•Electrical circuit is not 110-120V 60Hz.

•The power cord is not plugged in.

•No power at electrical outlet. Check to make sure

breaker is not tripped or fuse is not blown. Additionally,

make sure unit is not plugged into a Ground Fault Circuit

Interrupter (GFCI) type of outlet.

Unit does not maintain at the

proper temperature

•

Check the room temperature. We recommend the

refrigerator or freezer should be placed in the air

conditioned room between 65°F to 85°F. If the room

temp is too warm, the refrigerator or freezer may not be

able to maintain the interior temp at proper range.

•Door is not closed properly.

•Amount of stored product is overloaded.

•Product replacements are pushed against rear wall or

interrupted the proper refrigerator air circulation. For

the proper air circulation, place the products evenly on

each shelf. Do not push against the refrigerator’s rear or

side walls.

•Evaporator is blocked by frost or ice. Remove the

products, unplug the refrigerator or freezer power, and

allow the unit to defrost. If the problem still exists, call

for service.

Appliance runs too long

•

Prolong door openings.

•Control set too cold.

•Room temperature is high which will make the unit work

harder to keep cool.

Temperature of external wall

surface is warm

•

The exterior walls can be as much as 30 degrees warmer

than room temperature due to the embedded

condenser coils. This is normal when the unit is

operating.

Compressor noises

•Check the unit level. Also ensure none of the pipes in

the compressor area are touching each other or against

the side.

•Compressor may be overheated. Please check the room

temp and ensure the range is within 65°F to 85°F.

•A buzzing noise may indicate improper voltage to the

compressor. Check supply voltage.

•

If the problem still exists, call for service.

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