Lab Research Products MCFB-2020 Bedienungsanleitung

MFB-0920 –20OC Manual Defrost Freezer (Upright)

MFB-2020 –20OC Manual Defrost Freezer (Upright)

MFB-2920 –20OC Manual Defrost Freezer (Upright)

MFB-2030 –30OC Manual Defrost Freezer (Upright)

MCFB-2020 –20OC Manual Defrost Freezer (Chest)

OWNER’S INSTRUCTIONS

How to operate and care for your appliance and how to get the best, as well as the

lowest cost, performance.

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.) Exterior Damage: Make thorough damage notation on your delivery receipt and have driver

acknowledge by signature and date. Send a written request asking for an inspection report from

carrier. Include the name of carrier representative and the date the inspection was requested. Retain

inspection report and receipt for filing of a claim.

B.) Concealed Damage: This must be reported to carrier within fifteen days. Obtain inspection report

from the carrier. Retain the inspection report for filing of the claim. DO NOT RETURN DAMAGED

MERCHANDISE TO MANUFACTURER - - FILE THE CLAIM WITH THE CARRIER.

Lab Research Products

125 Varnfield Drive

Summerville, SC 29483

Phone: 800-648-4041

Fax: 843-821-8051

Warranty:

Two-Year Parts and Labor

5 Years Compressor Parts Revision Date

06/04

Specifications

General........................................................................................................1

General

RECEIVING .................................................................................................1

INSTALLATION AND STARTING INSTRUCTIONS....................................1

OPERATING INSTRUCTIONS....................................................................2

COMPRESSOR – CONDENSER................................................................2

SERVICE .....................................................................................................2

Lab Research Products PRODUCT WARRANTY.......................................3

MFB/MCFB-2030 (-30 Models Only)

ETC Single Stage Electronic Temperature Control......................................5

Operation .....................................................................................................5

Liquid Crystal Display (LCD)........................................................................5

Control Setup...............................................................................................5

Programming Steps and Display..................................................................6

SPECIFICATIONS:

General

Cubic Feet Temp Defrost Shelves/Drawers

9 -20°Manual 6 Fixed w/Door

or Drawer

20 -20°(MFB/MCFB-2020)

-30°(MFB/MCFB-2030) Manual 4 Fixed

(n/a for MCFB)

29 -20°Manual 4 Fixed

RECEIVING

A. LRP ships by carriers that we have used for many years and have selected for their good service,

but accidents in shipping occur regardless of how much care is taken. Therefore the following is

very important:

B. Inspect unit at once for any shipping damage, including concealed damage.

C. You should check for any shipping damage immediately, preferably before the carrier leaves

your receiving dock, as nearly all shipments are FOB ship point.

D. If there is any damage, note it on the carrier's receiving documents and notify the office of the

carrier immediately.

E. The responsibility of the shipper and the delivering carrier ends five days after goods are received.

It becomes the responsibility of YOU, the customer, to unpack the unit and check for concealed

damage caused during shipping. Immediate attention should be given to this.

F. Retain all packing materials if damage is found.

INSTALLATION AND STARTING INSTRUCTIONS

LOCATION – This unit requires a minimum of 4 inches of air flow in back and 1 to 2 inches on the sides

and top. Leveling legs are required in front only. Unit may have a slight tilt from front to back after

legs are installed. 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 ampere 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.

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

after the freezer has been properly leveled is to plug the service cord into an electrical outlet. Do not

use an extension cord. Be sure your freezer 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

freezer. When starting this new appliance, allow the cabinet to operate a minimum of three 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 only normal functioning of the motor overload protector. The motor compressor

will cycle normally as soon as the excess heat has been removed.

OPERATING INSTRUCTIONS

AUTOMATIC TEMPERATURE CONTROL – The control is pre-set to maintain the ideal

temperature of this appliance. If necessary, temperature can be adjusted using minimal increments.

MFB-0920: The temperature control is located in the “hood” directly above the door

MFB-2020: The temperature control is located on right side wall inside cabinet

MFB-2920: The temperature control is located behind the louvered grill at the bottom of unit

MFB-2030: The digital temperature control is factory preset and is not adjustable

A. DEFROSTING-This is a manual defrost system. If ice build up is present ¼ inch or more on the

fixed shelves, defrosting is recommended. Large ice build-up will reduce cooling efficiency.

B. CLEANING

1. Cabinet Exterior – Wash with a mild soap and water solution. Rinse with clear water and dry.

2. Cabinet Interior – Wash with 2 tbls. of baking soda and 1 qt. warm water solution or mild soap.

DO NOT USE STRONG CLEANERS, SCOURING POWDER OR PADS.

COMPRESSOR – CONDENSER

The compressor is hermetically sealed and will require no attention. The condenser is located

between the inside and outside walls of the freezer and also requires no attention. Its natural heat

keeps the exterior free of moisture; because of this, the outside may feel warm to the touch. This

condition entirely normal.

SERVICE

In the event this freezer does not operate properly, check the following before calling the service man:

1. Is there adequate air circulation around the unit and in the room?

2. Is electrical power reaching the unit? (Check for blown fuse or “tripped” breaker.)

3. Is service cord connected to outlet?

4. Is door closed tightly?

If this does not correct the problem, contact a competent service technician.

Lab Research Products PRODUCT WARRANTY

Lab Research Products warrants to the original purchaser every new Lab Research Products

refrigerated unit, the cabinet and all parts thereof, to be free from defects in material or workmanship,

under normal use and service, for a period of two (2) years. The warranty period starts two weeks from

the date of shipment from Lab Research Products. This two-week period allows ample shipping time so

that the warranty will go into effect at approximately the same time your equipment is delivered. Unless

subject to prior written agreement with Lab Research Products, this warranty does not allow for any

warranty start deferment greater than two weeks from date of shipment due to a delayed installation

and/or start-up.

Under this warranty, Lab Research Products, through its authorized service organizations, will repair, or

at its option, replace any part found to contain a manufacturing defect in material or workmanship without

charge to the owner for parts, service labor or any shipping or cartage costs. Replacement or repaired

parts will be warranted for only the unexpired portion of the original warranty.

ADDITIONAL FOUR YEAR COMPRESSOR WARRANTY

In addition to the two (2) year warranty stated above, Lab Research Products warrants its hermetically

and semi-hermetically sealed compressors to be free from defects in both material and workmanship

under normal use and service for a period of three (3) additional years from the end of the initial two (2)

year warranty period, but not to exceed five (5) years after shipment from Lab Research Products.

Compressors determined by Lab Research Products to have been defective within this extended time

period will, at Lab Research Products' option, be either repaired or replaced with a compressor or

compressor parts of similar design and capacity.

The three (3) year extended compressor warranty applies only to hermetically and semi-hermetically

sealed parts of the compressor and does not apply to any other parts or components, including, but not

limited to, cabinet, paint finish, temperature control, refrigerant, metering device, driers, motor starting

equipment, fan assembly or any other electrical components.

Lab Research Products' sole obligation under this warranty is limited to either repair or replacement of

parts, subject to the additional limitations below. This warranty neither assumes nor authorizes any

person to assume obligations other than expressly covered by this warranty.

NO CONSEQUENTIAL DAMAGES. Lab Research Products is not responsible for economic loss; profit

loss; or special, indirect or consequential damages, including without limitation, losses or damages arising

from contents spoilage claims whether or not on account of refrigeration failure.

WARRANTY IS NOT TRANSFERABLE. This warranty is not assignable and applies only in favor of the

original purchaser/user to whom delivered. Any such assignment or transfer shall void the warranties

herein made and shall void all warranties, express or implied, including any warranty of merchantability or

fitness for a particular purpose.

NO IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

There are no other warranties, express, implied, or statutory, except the two (2) year warranty and the

additional three (3) year compressor warranty as described above. These warranties are exclusive and in

lieu of all other warranties, including implied warranty and merchantability or fitness for a particular

purpose. There are no warranties, which extend beyond the description on the face hereof.

ALTERATION, NEGLECT, ABUSE, MISUSE, ACCIDENT, DAMAGE DURING TRANSIT OR

INSTALLATION, FIRE, FLOOD OR OTHER EXTERNAL CAUSES.

Lab Research Products is not responsible for the repair or replacement of any parts that Lab Research

Products determines have been subjected after the date of manufacture to alteration, neglect, abuse,

misuse, accident, damage during transit or installation, fire, flood or other external causes. It does not

apply to defects resulting from failure to properly install, operate or maintain the product in accordance

with the printed instructions provided, or damage caused by the storage of any corrosive material that

comes in contact with the interior or exterior portions of the cabinet, or the use of spark producing

equipment or containers (such as galvanized or carbonized steel containers) that come in contact with

any interior portion of the cabinet.

TRANSPORTATION COSTS. Lab Research Products will accept parts covered under this warranty

freight collect, provided that shipment has received prior approval.

OUTSIDE U.S./CANADA. This warranty does not apply to, and Lab Research Products is not

responsible for, any warranty claims made on products sold or used outside the United States and

Canada.

WARRANTY CLAIMS. To obtain prompt warranty service, simply contact Lab Research Products at

800-648-4041. Lab Research Products' shipping records showing date of shipment shall be conclusive

in establishing the warranty period. All claims should include: model number of the refrigerator, the serial

number of the cabinet, proof of purchase, date of installation, and all pertinent information supporting the

existence of the alleged defect. Any action or breach of these warranty provisions must be commenced

within one (1) year after that cause of action has accrued.

MFB/MCFB-2030

This section pertains to -30°C FREEZER ONLY

This freezer has been factory set to run at -30°C. The external thermostat may require

adjustment depending on the final ambient operating condition. The freezer has

reserve range and can operate to -35°C, depending on load and ambient

temperature. Plug into a standard 110-120 volt electrical outlet. The unit will start to

operate. It will require 5 amps. The freezer's operation will be extremely quiet due to

the unique design of the compressor system.

As with the –20 models, pre-cool unit before placing any product into the chamber. The

temperature will reach -30°C in less than four hours; however, let the chamber cool for 8

hours minimum to allow for total heat removal from the cabinet.

Again, this is a manual defrost system. If ice build up is present ¼ inch or more on the

fixed shelves, defrosting is recommended. Large ice build up will reduce cooling

efficiency.

If this system is equipped with a temperature display or alarm system it is not

uncommon to observe a rise in temperature on the display following a door opening.

Unless the door is left open for long periods of time this should not affect product

temperature. The temperature display is independent of the thermostat that is actually

controlling the off/on cycling of the compressor. Door opening will greatly affect air

temperature but generally does not affect product temperature.

ETC Single Stage Electronic Temperature

(-30 Models Only)

Operation

Liquid Crystal Display (LCD)

The LCD display provides a constant readout of the sensor temperature and indicates if the output rely is

energized. When the S1 annunciator is constantly illuminated during operation, the relay is energized.

The display is also used in conjunction with the keypad to allow the user to adjust the setpoint

temperature, differential and heating/cooling modes.

Control Setup

The temperature setpoint refers to the temperature at which the normally open (NO) contacts of the

output relay will open. Determine the load(s) to be controlled and the operating mode required, cooling or

heating.

 When the cooling mode is chosen, the differential is above the setpoint. The relay will de-energize

as the temperature falls to the setpoint.

 When the heating mode is chosen, the differential is below the setpoint. The relay will de-energize as

the temperature rises to the setpoint.

Programming Steps and Display

The ETC can be programmed in four simple steps using the LCD display and the three keys on the face

of the control.

Step 1 - To start programming, press the SET key once to access the Fahrenheit/Celsius

mode. The display will show the current status, either F for degrees Fahrenheit or

C for degrees Celsius. Then press either the up ⇑or down ⇓arrow key to toggle

between the F or Cdesignation

Step 2 - Press the SET key again to access the setpoint. The LCD will display the current

setpoint and the S1 annunciator will be blinking on and off to indicate that the

control is in the setpoint mode. Then press either the up ⇑key to increase or the

down ⇓key to decrease the differential to the desired temperature.

Step 3 - Press the SET key again to access the differential. The LCD will display the

current differential and the DIF1 annunciator will be blinking on and off to indicate

that the control is in the differential mode. Then press either the up ⇑or the down

⇓key to decrease the differential to the desired setting.

Step 4 - Press the SET key again to access the cooling or heating mode. The LCD will

display the current mode, either C1 for cooling or H1 for heating. Then either

press the up ⇑or down ⇓key to toggle between the C1 or H1 designation. Press

the SET key once more and programming is complete.

Note: The ETC will automatically end programming if no keys are depressed for a period of thirty

seconds. Any settings that have been input to the control will be accepted at that point.

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