Tefcold LDP900F Operation Instruction Manual

Full Text Searchable PDF User Manual

Operation Instruction for Display Cabinet

Contents

Precaution ..................................................................................... 1
Transportation and handling ......................................................... 2
Installation and operation .............................................................. 2
Maintenance .................................................................................. 3
Troubleshooting ............................................................................. 4
Structure diagram .......................................................................... 5
Circuit diagram .............................................................................. 6
Setting of the digital controller ....................................................... 7
Major technical parameters ........................................................... 8
Disposal of the product ................................................................. 8
Warranty Information ..................................................................... 9

Operation Instruction for Display Cabinet

Precaution

Please read the manual carefully before using the cabinet. For any doubt,

please contact our company.

This series of products are mainly applicable to refrigeration and display

cakes and relevant food. During normal operation, the temperature inside

the cabinet is 0~8℃(for

LDP-series) or 2

～8℃(for

LCT series). Do not use

this equipment for other purposes in case of serious accidents.

The equipment is suitable to be placed in supermarket, cake store and

hotels.

The equipment shall be put at dry place with good ventilation. Don

’

t put it

near any heat source or dust. Don

’

t place it directly under the sunshine.

Put the equipment on a flat and solid place. The distance from the wall or

other objects shall not be less than 20cm.

It is a kind of electrical equipment. Please pay attention to the safety.

Independently single-phase three-pole socket shall be used. The earth

wire port (E) of the socket shall be reliably grounded.

The power supply shall be 220

～

240V/50Hz. Otherwise, power supply

stabilizer with capacity matching with the equipment power shall be

installed to ensure smooth operation of the equipment.

The power cord of the equipment shall not be directly placed in the aisle.

Avoid heavy weight and sharp objects.

Do not operate the equipment with wet or naked hand or foot.

Please cut off the power supply if the equipment is not to be used for long

time.

Please cut off the power supply before installation or dismantling the parts.

Never flush the equipment directly with water; otherwise the parts will get

wet and current leakage might be resulted.

In case of electrical or refrigeration failure, service agent authorized by the

manufacturer or professional maintenance staff shall be responsible for the

maintenance work in case of danger or expanded failure.

Do not store explosive substances such as aerosol cans with a flammable

propellant inside the appliance.

WARNING

–

Keep clear of obstruction all ventilation openings in the

appliance enclosure or in the structure for building-in.

WARNING

–

Do not use mechanical devices or other means to accelerate

the defrosting process, other than those recommended by the

manufacturer.

WARNING

–

Do not damage the refrigerant circuit.

Operation Instruction for Display Cabinet

WARNING

–

Do not use electrical appliances inside the food storage

compartments of the appliance, unless they are of the type recommended

by the manufacturer.

Please according to local regulations regarding disposal of the appliance

for its flammable blowing gas. Before you scrap the appliance, please take

off the doors to prevent children trapped.

If the supply cord is damaged, it must be replaced by the manufacturer or

its service agent or a similarly qualified person in order to avoid a hazard.

The maximum loading of every shelf is 30kg(for

LDP-

series) or 10kg(for

LCT series).

Climate class 3 means

25℃,RH60%.

This appliance can be used by children aged from 8 years old and above

and persons with reduced physical, sensory or mental capabilities or lack

of experience and knowledge if they have been given supervision or

instruction concerning use of the appliance in a safe way and understand

the hazards involved.

Children shall not play with the appliance.

Cleaning and user maintenance shall not be made by children without

supervision.

Transportation and handling

Special package box will be used for the equipment for delivery. Keep the

equipment erect during transportation and handling.

Please carefully check the package box after receiving the product to

ensure that the equipment is not damaged during transportation.

When removing the package box, carefully move away the wood plate in

case of scratch the equipment.

In case that the equipment tilts during the transportation and handling, the

lubricant in the compressor may flow into the cooling loop. Therefore, in

order to ensure the lubricant flows back to the compressor, it is necessary

to keep the equipment erect for 24 hours before it starts to work.

Do not throw away the package removed randomly. Please dispose as per

relevant local rules and regulations.

Installation and operation

After the equipment is installed, please carefully clean parts in the

cabinet .Then wipe clean the bottom cover plate and shelf, put them on

corresponding place, close the cabinet door and get it connected to the

Operation Instruction for Display Cabinet

power supply.

Turn on the lighting switch, check light on each shelf is normal.

The controller is delivered with default parameters. Do not alter the

parameters casually except for special need.

When running for the first time, it should run without load for 2 hours to

ensure the refrigeration system is working normally. Only when the

temperature within the cabinet is reduced within the indicated scope can

the food be put into the cabinet.

Don

’

t put too much over-hot food in the cabinet to prevent instantaneous

high load. The food shall not block the air outlet and air inlet. Nor shall it be

close to side glass. Otherwise it will lead to condensation.

To save electricity, the heating wire switch is defaulted to be closed. If the

environment humidity is large, and there is condensation on the front glass,

please open it for defogging.

To keep the taste of the food, please have the equipment running 24 hours

a day.

During the frosting process, the temperature of the cabinet may rise slightly.

When the frosting end, it will return to normal .

Maintenance

In order to ensure food health and quality, please ensure to that the

equipment is cleaned frequently.

Before cleaning, plug off the power supply.

Use neutral detergent and mild water to clean the cabinet. To get rid of the

residual of the detergent, please use clean cloth to wipe repeatedly.

Clean the dust and sundries on the condenser regularly on monthly basis.

Take off the dustproof hood, flush the filtration mesh with clean water and

then put it back after being dried-out.

Do not use any organize solvent (gasoline or alcohol etc.) to clean the

equipment. Parts inside the equipment may be damaged. Besides,

explosive gas may be generated.

Wet towel may be used to wipe the equipment surface. However, do not

have it contact with water directly.

After cleaning the equipment, please ensure it is completely dried before

using.

Operation Instruction for Display Cabinet

Troubleshooting

Troubles

Causes

Solutions

No power
supply input

Poor socket contact

Repair or replace the socket

Input control wire failure

Repair the failure point

High cabinet
temperature

Near a heat source

Move the counter or the heat
source

Frost block

Defrost manually

Over-inventory in the
cabinet which blocks
the air outlet and inlet

Take out part of the goods,
move them away from the air
outlet and inlet

Refrigerant leaking

Check the leak and refill
refrigerant

Condenser contaminated

Clean the dust-hood

Fan failure

Repair or replace the fan

Temperature controller
failure

Replace the temperature
controller

Temperature control probe
touch the bottom

Replace the position of
temperature control probe

Too much noise

The product is not put
smoothly

Adjust the feet

The set screws of fans or
compressor are loose

Tighten the screws

The compressor
is not running

The voltage is beyond the
permitted range

Use a voltage regulator,and
connect with the appropriate
power supply

Temperature controller
failure

Replace the temperature
controller

The compressor damage

Replace the compressor

The light failure

Switch off or failure

Turn on the switch

Wire connection is not
reliable

Check the plug point

The light power supply
damaged

Replace the light power
supply

light damaged

Replace the light

Note:

For simple troubleshooting, please be sure to disconnect the power supply.

For the maintenance and replacement work, please call for professionals

or the maintenance staff from the refrigeration factory of the manufacturer.

If the above methods could not solve the problem, please call for

professionals.

Operation Instruction for Display Cabinet

Structure diagram

Note: refer to the real object in case of change of the product structure.

Operation Instruction for Display Cabinet

Circuit diagram

Note: the part in dotted line box is not applicable to some types. Please refer

to the real object for the wiring circuit.

Operation Instruction for Display Cabinet

Setting of the digital controller

Refer to the digital controller operating manual to see how to use the

controller.
2

The setting values for the products as follows:

LABLE

DESCRIPTION

VALUES

LDP- series

LCT

series

SET

Set Point

2℃

Differential

3℃

Output activation delay at start up

1min

Anti-short cycle delay

5min

4min

kind of action

Resolution(only for ℃)

Interval between def. cycles

Max length for def.

15min

Operation Instruction for Display Cabinet

Major technical parameters

These products are designed with climate type 3;

These products are designed with electric shock protection type I.

Model

Storage tem-

perature (℃)

Power supply Input power

(W)

Refrigerant Volume

(L)

Dimension

(L×W×H /mm)

Right-angle Display Cabinet

LDP900F

～

220

～

240V

50Hz

510

R290

311

900×750×1200

LDP1200F

700

421

1200×750×1200

LDP1500F

800

532

1500×750×1200

Single-arc Display Cabinet

LDP900C

～

220

～

240V

50Hz

510

R290

306

900×750×1350

LDP1200C

700

410

1200×750×1350

LDP1500C

800

518

1500×750×1350

Square Countertop Display Cabinet

LCT750F

～

220

～

240V

50Hz

242

R290

120

700×560×670

LCT900F

242

160

900×560×670

Curved Countertop Display Cabinet

LCT750C

～

220

～

240V

50Hz

242

R290

100

700×560×670

LCT900C

242

130

900×560×670

Disposal of the product

This marking indicates that this product should not be

disposed with other household wastes throughout the EU. To

prevent possible harm to the environment or human health

from uncontrolled waste disposal, recycle it responsibly to

promote the sustainable reuse of material resources. To

return your used device, please use the return and collection

systems or contact the retailer where the product was purchased. They can

take this product for environmental safe recycling.

Operation Instruction for Display Cabinet

Warranty Information

The manufacturer provides warranty in accordance with the legislation of the

customer's own country of residence, with a minimum of 1 year (Germany: 2

years), starting from the date on which the appliance is sold to the end user.

The warranty only covers defects in material or workmanship.

The repairs under warranty may only be carried out by an authorized service

centre. When making a claim under the warranty, the original bill of purchase

(with purchase date) must be submitted.

The warranty will not apply in cases of:
-

Normal wear and tear

Incorrect use, e.g. overloading of the appliance, use of non-approved

accessories

Use of force, damage caused by external influences

Damage caused by non-observance of the user manual, e.g. connection to

an unsuitable mains supply or non-compliance with the installation

instructions
-

Partially or completely dismantled appliances.

TFG180524

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