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
1
Precaution
1 Please read the manual carefully before using the cabinet. For any doubt,
please contact our company.
2 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.
3 The equipment is suitable to be placed in supermarket, cake store and
hotels.
4 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.
5 Put the equipment on a flat and solid place. The distance from the wall or
other objects shall not be less than 20cm.
6 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.
7 Do not store explosive substances such as aerosol cans with a flammable
propellant inside the appliance.
8 WARNING – Keep clear of obstruction all ventilation openings in the
appliance enclosure or in the structure for building-in.
9 WARNING – Do not use mechanical devices or other means to accelerate
the defrosting process, other than those recommended by the
manufacturer.
10 WARNING – Do not damage the refrigerant circuit.
Operation Instruction for Display Cabinet
2
11 WARNING – Do not use electrical appliances inside the food storage
compartments of the appliance, unless they are of the type recommended
by the manufacturer.
12 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.
13 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.
14 The maximum loading of every shelf is 30kg(for LDP- series) or 10kg(for
LCT series).
15 Climate class 3 means 25℃,RH60%.
16 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.
17 Children shall not play with the appliance.
18 Cleaning and user maintenance shall not be made by children without
supervision.
Transportation and handling
1 Special package box will be used for the equipment for delivery. Keep the
equipment erect during transportation and handling.
2 Please carefully check the package box after receiving the product to
ensure that the equipment is not damaged during transportation.
3 When removing the package box, carefully move away the wood plate in
case of scratch the equipment.
4 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.
5 Do not throw away the package removed randomly. Please dispose as per
relevant local rules and regulations.
Installation and operation
1 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
3
power supply.
2 Turn on the lighting switch, check light on each shelf is normal.
3 The controller is delivered with default parameters. Do not alter the
parameters casually except for special need.
4 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.
5 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.
6 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.
7 To keep the taste of the food, please have the equipment running 24 hours
a day.
8 During the frosting process, the temperature of the cabinet may rise slightly.
When the frosting end, it will return to normal .
Maintenance
1 In order to ensure food health and quality, please ensure to that the
equipment is cleaned frequently.
2 Before cleaning, plug off the power supply.
3 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.
4 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.
5 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.
6 Wet towel may be used to wipe the equipment surface. However, do not
have it contact with water directly.
7 After cleaning the equipment, please ensure it is completely dried before
using.
Operation Instruction for Display Cabinet
4
Troubleshooting
Troubles
Causes
Solutions
No power
supply input
Poor socket contact
Repair or repl ace 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 whic h blocks
the air outlet and inlet
Take out part of the goods,
move them away fr om the air
outlet and inlet
Refrigerant leaking
Check the leak and refill
refrigerant
Condenser contaminated
Clean the dust-hood
Fan failure
Repair or repl ace 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
compress or are loose
Tighten the sc rews
The compress or
is not running
The voltage is beyond the
permitted r ange
Use a voltage regulator,and
connect with the appropriate
power supply
Temperature controller
failure
Replace the temperature
controller
The compress or damage
Replace the compressor
The light failure
Switch off or failure
Turn on the swit ch
Wire connection is not
reliable
Check the plug poi nt
The light power supply
damaged
Replace the li ght power
supply
light damaged
Replace the li ght
Note:
1. For simple troubleshooting, please be sure to disconnect the power supply.
2. For the maintenance and replacement work, please call for professionals
or the maintenance staff from the refrigeration factory of the manufacturer.
3. If the above methods could not solve the problem, please call for
professionals.
Operation Instruction for Display Cabinet
5
Structure diagram
Note: refer to the real object in case of change of the product structure.
Operation Instruction for Display Cabinet
6
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
7
Setting of the digital controller
1 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℃
2℃ Hy
Differential
3℃
3℃ od
Output activation delay at start up
1min
1min AC
Anti-short cycle delay
5min
4min CH
kind of action
cL
cL rE
Resolution(only for ℃)
in
in id
Interval between def. cycles
6h
3h Md
Max length for def.
15min
15min
Operation Instruction for Display Cabinet
8
Major technical parameters
1 These products are designed with climate type 3;
2 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
0～8
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
0～8
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
2～8
220～240V
50Hz
242
R290
120
700×560×670
LCT900F
242
160
900×560×670
Curved Countertop Display Cabinet
LCT750C
2～8
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
9
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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