
Thank you for choosing our products.
In order to facilitate correct operation and obtain the best use effect.
Please read the instruction manual carefully before use,
And keep it properly for reference!
When installing the air curtain cabinet, Please entrust sales or professionals. Install by yourself, case of any incompleteness, May cause uncooled, water leakage. Leakage refrigerant, get an
electric shock 、fire, Pay special attention to the surrounding environment
Air flow around the wind curtain, Heat dissipation conditions
■ When removing the package, be careful to bruise the cabinet with glass inside;
After removing the package, please count the accessories and data
■ Product introduction
This product is the best choice for food stores, supermarkets, restaurants and other places. It can be used for all kinds of storage of melons and fruits, vegetables, milk and beverages and other
purposes.
★The company introduces a full set of advanced equipment and production
technology, Modem manufacturing methods and strict and comprehensive testing technology are adopted to ensure reliable and excellent products,
★High quality raw materials, Durable, Product energy conservation and environmental protection
★Complete varieties, Wide range of options. It can also be newly customized according to the user's characteristic requirements.
二.Precautions before use
Care shall be taken during handling and
placem
Special power socket and fuse shall be provided
•The ground shall be flat and solid, To avoid
vibration and noise in use
•The inclination during handling shall
•Not exceed 45℃,prevent compressor failure.
•When placing the freezer, Please turn the foot
bolt high,unsure cabinet level.
•When disassembling and discarding products,
random discarding, Cause environmental damage.
•Be sure to use a three hole socket with reliable grounding,
The cross-sectional area of the connecting wire is ≧
4mm,three phase cabinet.
•Do not connect other electrical appliances to the same
socket,Multiple outlets can cause heating.
•Voltage range 187-242v, If the voltage is unstable,Please use
a voltage regulator above 1000W, 2.5m complete cabinet,
The power line shall be equipped with air
.switch separately.
Pay attention when moving products
・When moving the freezer, Lateral displacement,
Do not move the products with the glass door as
the focus, To prevent the glass from being
damaged and cut by the glass,
・When moving the freezer, cut off the power
supply, and the universa wheel shall not touch the
power line.
・When moving the freezer, please take out the
goods, and the sliding door will fall, causing
injury.
Attention to placement environment
•Keep away from heat sources, inflammables and explosives,
and avoid direct sunlight or rain.
•Keep away from corrosive orcombustible gases,
•Ambient wind speed < 0.2m/s, the distance from the back to
the wall is 20cm
•Do not install fans or air conditioning outlets on or nearthe
top of the freezer
•The ambient climate is guaranteed to be below class 3 (25 °C
60%).
三、Precautions during use
Avoid electric shock and leakage
•When repairing or replacing electrical parts, such
as lighting lamps, the power supply must be cut
off.
•Be careful not to splash water on electrical parts
or wires,
•When fire or electric leakage is found in the
refrigerator, The power supply should be cut off
immediately, Pullout the power plug by hand,
Never pull the power cord.
Precautions for cleaning products
•In addition to cleaning the surface, the lower drain shall be
cleaned once a month.
•Do not clean the boxwith gasoline or hard powder,
•When cleaning, please wipe the product with a soft cloth
stained with neutral or detergent,
•The filter screen of condenser shall be cleaned at least once a
month, Avoid direct touching with 〃 / hands to avoid cutting
Iding,
Do not store medicine or corrosive
•Medical products cannot be stored in the freezer.
•It is strictly prohibited to store flammable, strong
acid, strong alkali and volatile and polluting
organic solvents.
Avoid injury caused by carelessness
•It is forbidden for children to play on the cabinet to avoid
accidental danger,
•Do not insert fingers and rods into the air suction outlet,
Because the fan blades of the internal fan rotate at high speed,
so as to avoid injuryand abnormal operation
•When placing goods orcleaning laminates, do not touch the
light line.
Energy saving products
•At night or when business is suspended, turn off
the lights and pull down the night curtain to
prevent excessive loss of cooling capacity and
save energy consumption,
•Before placing the goods, run the empty container
for 1 hour (if the night curtain is pulled down) and
put the food in succession after the temperature
reaches the requirements.
Attention during defrosting
•When the display temperature is very high, the air return
pipe is frosted and the compressor does not stop, press the
forced defrosting key to start defrosting
•In case of frost blockage of evaporator for a long time, please
contact professional personnel for on-site analysis and
treatmen.
Do not disassemble
•Non professional personnel are not allowed to
break down or repair the product to avoid fire
accidents or abnormal
Attention to food placement
•Food shall not be placed too much, and shall not exceed
the boundary of the laminate orthe top plate ofthe upper layer,
Food varieties shall be placed reasonably as far as possible.
•The bearing capacity of the layer frame is < 80kg per square
meter.
•Food shall not be placed on the air inlet and airduct,
otherwise the refrigeration effect will be affected.

四
,Instructions
1.First use
Before the first use, carefully read the manual to confirm the power range and environmental climate.
When the power is turned on, the temperature and snowflake icons will be displayed on the temperature control panel, indicating that the
power supply is normal and the machine is running.
In addition, if there is a lamp in the box, you can choose to turn it on or off according to your own situation.
2.The following foods must be packed in sealed containers or plastic wrap because they will produce
corrosive gases
1. Sushi rice, home cooked dishes, bread and other foods containing acetic acid and yeast;
2.Natto, bean curd, bean curd residue, bean stuffing and other bean processed products;
3.Boiled eggs, scrambled eggs and other egg processed products;
4.Fresh fish, ham, smoked and boiled products.
3. Key description
"Set" key: parameter setting, " "key: Exit and save settings/Forced start defrosting
" "key: Raise parameter value, “ " key: Lower parameter value/One dick restore of parameters lasting for 10 seconds
4.Indicator description
"set": parameter setting status, “Drip" defrosting drip, : Defrosting state;
" ':Cooling mode status, : Fan start status.
5.Description of fault code display
'E1 "cabinet temperature sensor failure, "E2" evaporator sensor failure, "E3" condenser sensor failure,
"cH" condenser high temperature alarm, "rH" cabinet temperature high temperature alarm,
"rL" cabinet temperature and low temperature alarm
Be careful trictly distinguish the sensor lead, power line and output relay interface, and do not use them by mistake or overload;
This appliance is prohibited to be used in high temperature, high humidity, strong electromagnetic interference and strong corrosive environment;
The power supply voltage shall be consistent with the voltage marked on the machine to ensure stable voltage;
The buttons on the top can't be operated by non professionals at will.
6. Controller parameter setting table
(Each cabinet type is different, and the controller model is different. See the product for details)
parameter describe Set value Company
St
Temperature setting(C5~C6)
-1
°C/°F
Ro
Password (can't be changed )
55
-
C1
Control return difference (0.5 ~ 9)
4
°C
C2
Minimum interval between compressor starts(0~60)
1
Min
C3 Minimum interval between first start of compressor(0~60) 1 Min
C4
Calibration of cabinet temperature sensor( -10~10)
0
°C
C5
Lower limit of temperature setting value(-50~st)
-1
°C
C6
Upper limit of temperature setting value(st~85)
10
°C
C7
Maximum standby time after the minimum interval between
start-up and start-up of the press is completed (note ①) (0 ~
90)
30 Min
C8
Minimum operation time of refrigeration (0 -90)
0
Min
d1
Evaporator sensor selection (0 ~ 1)
1
-
d2
Evaporator sensor temperature correction
0
°C
d3
Calculation method of defrosting cycle (0: cumulative
cooling time,
1:
nature's time)
1 -
d4 Defrosting cycle (0 - 90) 6 Hour
d5
Defrosting process display (0:display cabinet temperature;
1 -
1:DEF is displayed during defrosting and defrosting delay;
2:DEF is displayed during defrosting and dripping;
3:The temperature before startup is displayed during
defrosting and dripping
d6
Maximum defrosting time (0 ~ 90)
25
Min
d7
Defrosting termination temperature (0 ~ 50)
8
°C
d8
Drip time after defrosting (0 - 60)
0
Min
d9
Display delay after defrosting (0~90)
5
Min
d10
belayed output after defrost start
0
Min
d11
Defrosting mode
0 -
(0: Electric defrosting; 1: heat defrosting)
A1
Cabinet temperature sensor fault proportional start stop
0
Min
A2
Proportional refrigeration stop time
5
Min
A3
Proportional refrigeration on time
30
Min
A5
Alarm value of cabinet temperatu exceeding the lower limit
-2
•c
A6
Alarm value of cabinet temperatu a严"aadinq unppr limit
24
°C
u1
Temper £ftu^ seFectron (0: Fahrenheit, 1: Celsius)
1 -
五、Electrical schematic diagram
(The detailed circuit shall be subject to the product nameplate)
KM: AC contactor, C1: Condensation sensor, C2: Evaporation sensor, C3: Cabinet temperature sensor
SV: Solenoid valve, C1: Condensation sensor, C2: Evaporation sensor, C3: Cabinet temperature senso
六.Installation precautions (Split cabinet)
1、 Distribution environment
1).Customer site selection of power supply type: Single power 220V (3 or less) 、Three phase 380V (More than 3 horses).
2).Before power on, please check that the power supply voltage and frequency are consistent with the requirements, confirm the grounding, and configure D-type leakage protector;
2、 Installation position limit
1).15 ~ 20cm heat dissipation space must be reserved at the back of the whole cabinet and 60cm heat dissipation space must be reserved at the front
2).There shall be no air conditioner; fan and other equipment on or near the top of the air curtain cabinet, which will affect the air curtain;
3).Use high-power complete machine air curtain cabinet or multiple complete cabinets. If the indoor temperature rises, please add air conditioning equipment.
3、 Splicing
1).The splicing section shall be pasted with Shanghai cotton strips first, then marked with silica gel, and the spliced cabinet shall be fixed with bolts;
2).The connecting copper pipe shall be horizontal and vertical, and the use of elbows and tees shall be minimized. The air return pipe shall be sleeved with thermal insulation pipe;
3).After splicing, pour water at the bottom of the box to test to ensure that there is no water leakage and the water can flow away completely.
4
、
Drainage
1) .The drain is on the right side of the bottom of the cabinet. Please lay it <P 40pvc water pipe, led into outdoor or floor drain;
2).The drainage outlet shall be cleaned at least once a month and blocked by sundries.
5
、 Precautions for outdoor unit installation
1) .The outdoor unit should be placed in a cool, dry and well ventilated space to avoid direct sunlight, Wall mounted and floor mounted can be adopted;
3) the height difference between the unit and the cabinet is higher than 3m, please set an oil return bend (Oil return radius«5 times pipe diameter);
4).Short route and less bending are preferred for pipeline laying. The horizontal pipeline shall have a slight inclination angle of 1:125 to the outdoor unit side, air and oil return bends and anti countercurrent bends.
5).External unit accessories: Solenoid valve、 Ophthalmoscope, It needs to be installed in a reasonable position (Try to get close to the cabinet).
6
、
Pipeline selection table
Outdoor unit
1.5P 2P 2.5P 3P 4P 5P 6P
Specifications
Liquid supply
return air
Liquid supply
return air
Liquid
supply
return air
Liquid supply
return air
Liquid
supply
return air
Liquid
supply
return air
Liquid
supply
return air
10m piping 3/8* 1/2” 3/8〃 1/2* 3/8* 1/2” 3/8” 5/8〃 3/8* 5/8* 1/2” 3/4 ” 1/2〃 3/4*
20n piping 3/8” 1/2 ” 3/8* 1/2* 3/8* 1/2* 3/8* 5/8* 3/8” 3/4* 1/2" 7/8 ” 1/2* 7/8*
Unit: Inches
The above data is only for reference, and the specific data shall be determined according to the actual pipeline laying method on site.

四
,Instructions
1.First use
Before the first use, carefully read the manual to confirm the power range and environmental climate.
When the power is turned on, the temperature and snowflake icons will be displayed on the temperature control panel, indicating that the
power supply is normal and the machine is running.
In addition, if there is a lamp in the box, you can choose to turn it on or off according to your own situation.
2.The following foods must be packed in sealed containers or plastic wrap because they will produce
corrosive gases
1. Sushi rice, home cooked dishes, bread and other foods containing acetic acid and yeast;
2.Natto, bean curd, bean curd residue, bean stuffing and other bean processed products;
3.Boiled eggs, scrambled eggs and other egg processed products;
4.Fresh fish, ham, smoked and boiled products.
3. Key description
"Set" key: parameter setting, " "key: Exit and save settings/Forced start defrosting
" "key: Raise parameter value, “ " key: Lower parameter value/One dick restore of parameters lasting for 10 seconds
4.Indicator description
"set": parameter setting status, “Drip" defrosting drip, : Defrosting state;
" ':Cooling mode status, : Fan start status.
5.Description of fault code display
'E1 "cabinet temperature sensor failure, "E2" evaporator sensor failure, "E3" condenser sensor failure,
"cH" condenser high temperature alarm, "rH" cabinet temperature high temperature alarm,
"rL" cabinet temperature and low temperature alarm
Be careful trictly distinguish the sensor lead, power line and output relay interface, and do not use them by mistake or overload;
This appliance is prohibited to be used in high temperature, high humidity, strong electromagnetic interference and strong corrosive environment;
The power supply voltage shall be consistent with the voltage marked on the machine to ensure stable voltage;
The buttons on the top can't be operated by non professionals at will.
6. Controller parameter setting table
(Each cabinet type is different, and the controller model is different. See the product for details)
parameter describe Set value Company
St
Temperature setting(C5~C6)
-1
°C/°F
Ro
Password (can't be changed )
55
-
C1
Control return difference (0.5 ~ 9)
4
°C
C2
Minimum interval between compressor starts(0~60)
1
Min
C3 Minimum interval between first start of compressor(0~60) 1 Min
C4
Calibration of cabinet temperature sensor( -10~10)
0
°C
C5
Lower limit of temperature setting value(-50~st)
-1
°C
C6
Upper limit of temperature setting value(st~85)
10
°C
C7
Maximum standby time after the minimum interval between
start-up and start-up of the press is completed (note ①) (0 ~
90)
30 Min
C8
Minimum operation time of refrigeration (0 -90)
0
Min
d1
Evaporator sensor selection (0 ~ 1)
1
-
d2
Evaporator sensor temperature correction
0
°C
d3
Calculation method of defrosting cycle (0: cumulative
cooling time,
1:
nature's time)
1 -
d4 Defrosting cycle (0 - 90) 6 Hour
d5
Defrosting process display (0:display cabinet temperature;
1 -
1:DEF is displayed during defrosting and defrosting delay;
2:DEF is displayed during defrosting and dripping;
3:The temperature before startup is displayed during
defrosting and dripping
d6
Maximum defrosting time (0 ~ 90)
25
Min
d7
Defrosting termination temperature (0 ~ 50)
8
°C
d8
Drip time after defrosting (0 - 60)
0
Min
d9
Display delay after defrosting (0~90)
5
Min
d10
belayed output after defrost start
0
Min
d11
Defrosting mode
0 -
(0: Electric defrosting; 1: heat defrosting)
A1
Cabinet temperature sensor fault proportional start stop
0
Min
A2
Proportional refrigeration stop time
5
Min
A3
Proportional refrigeration on time
30
Min
A5
Alarm value of cabinet temperatu exceeding the lower limit
-2
•c
A6
Alarm value of cabinet temperatu a严"aadinq unppr limit
24
°C
u1
Temper £ftu^ seFectron (0: Fahrenheit, 1: Celsius)
1 -
五、Electrical schematic diagram
(The detailed circuit shall be subject to the product nameplate)
KM: AC contactor, C1: Condensation sensor, C2: Evaporation sensor, C3: Cabinet temperature sensor
SV: Solenoid valve, C1: Condensation sensor, C2: Evaporation sensor, C3: Cabinet temperature senso
六.Installation precautions (Split cabinet)
1、 Distribution environment
1).Customer site selection of power supply type: Single power 220V (3 or less) 、Three phase 380V (More than 3 horses).
2).Before power on, please check that the power supply voltage and frequency are consistent with the requirements, confirm the grounding, and configure D-type leakage protector;
2、 Installation position limit
1).15 ~ 20cm heat dissipation space must be reserved at the back of the whole cabinet and 60cm heat dissipation space must be reserved at the front
2).There shall be no air conditioner; fan and other equipment on or near the top of the air curtain cabinet, which will affect the air curtain;
3).Use high-power complete machine air curtain cabinet or multiple complete cabinets. If the indoor temperature rises, please add air conditioning equipment.
3、 Splicing
1).The splicing section shall be pasted with Shanghai cotton strips first, then marked with silica gel, and the spliced cabinet shall be fixed with bolts;
2).The connecting copper pipe shall be horizontal and vertical, and the use of elbows and tees shall be minimized. The air return pipe shall be sleeved with thermal insulation pipe;
3).After splicing, pour water at the bottom of the box to test to ensure that there is no water leakage and the water can flow away completely.
4
、
Drainage
1) .The drain is on the right side of the bottom of the cabinet. Please lay it <P 40pvc water pipe, led into outdoor or floor drain;
2).The drainage outlet shall be cleaned at least once a month and blocked by sundries.
5
、 Precautions for outdoor unit installation
1) .The outdoor unit should be placed in a cool, dry and well ventilated space to avoid direct sunlight, Wall mounted and floor mounted can be adopted;
3) the height difference between the unit and the cabinet is higher than 3m, please set an oil return bend (Oil return radius«5 times pipe diameter);
4).Short route and less bending are preferred for pipeline laying. The horizontal pipeline shall have a slight inclination angle of 1:125 to the outdoor unit side, air and oil return bends and anti countercurrent bends.
5).External unit accessories: Solenoid valve、 Ophthalmoscope, It needs to be installed in a reasonable position (Try to get close to the cabinet).
6
、
Pipeline selection table
Outdoor unit
1.5P 2P 2.5P 3P 4P 5P 6P
Specifications
Liquid supply
return air
Liquid supply
return air
Liquid
supply
return air
Liquid supply
return air
Liquid
supply
return air
Liquid
supply
return air
Liquid
supply
return air
10m piping 3/8* 1/2” 3/8〃 1/2* 3/8* 1/2” 3/8” 5/8〃 3/8* 5/8* 1/2” 3/4 ” 1/2〃 3/4*
20n piping 3/8” 1/2 ” 3/8* 1/2* 3/8* 1/2* 3/8* 5/8* 3/8” 3/4* 1/2" 7/8 ” 1/2* 7/8*
Unit: Inches
The above data is only for reference, and the specific data shall be determined according to the actual pipeline laying method on site.

7、System debugging
1).Please read the manual of outdoor unit carefully and vacuum and add refrigerant according to the above requirements;
2).After the basic liquid dosage is completed, power on, turn on the refrigeration, and add 100g refrigerant. If the low-pressure pressure decreases within 5 minutes, gradually increase it by 20g each time until the low-
pressure pressure is at a reasonable position and does not decrease any more.
3).After the second step is completed, the cabinet continues to cool down, the display temperature reaches the required temperature, and it can be started and stopped normally.
4).After the temperature in the box is stable, the single startup time generally does not exceed 30 minutes. If it exceeds, the system and environmental conditions need to be checked again.
8
、
Installation diagram
七.Common faults and handling methods
Fault phenomenon Possible causes of failure
No display of temperature controller
No voltage Fuse blown
Voltage
Wrong circuit connection or poor contact
display"E1/E2/E3"
Cabinet temperature/evaporator/ Condenser sensor failure
display"cH/rH/rL"
condenser/high temperature/ Low temperature alarm
Compressor inoperative
Do not show "out"
Set temperature not reached
Probe position dislocation
display "out”
Wrong circuit connection or poor contact
Voltage below 187v
The thermostat is damaged
Inspection contents processing method Remarks
Checkthe fuse Replace the fuse
Ask an electrician to repair it if necessary
Check wiring and plugs
Adjusi the wiring and tighten the plug
Checkthe plug
Tighten or replace the probe wire
Refrigeration system and surrounding
environment
Press any key to cancel the sound
- -
Ask professional personnel for maintenance
Check probe position
Adjust position
Check wiring and plugs
Adjust the wiring and tighten the plug
Check the power supply voltage
Connect the voltage regulator
Two pins are open circuit Replace the thermostat
The compressor operates continuously without
shutdown
The temperature in the box is too high
Foo much frost on the evaporator
indoor temperature. High humidity
High outdoor temperature or poor heat
dissipation
Airduct blockage
Refrigerant leakage
The temperature in the box is too low
Wrong position of signal line
Thermostat failure
Excessive noise
The fan is damaged or the fan blade is deformed
The box is not laid flat
The fixing screw of the press is loose
evaporator Air outlet Forced defrosting
Self inspection
Indoor air environment Raise the set temperature
Outdoor temperature and heat dissipation
environment
Improve the cooling space of condenser
Suction outlet 、 Air outlet
Organize goods
Ask maintenance personnel
Unit line Check with a multimeter
Self inspection
Replace the thermostat
Fan Replace the fan or blade
Self inspection
Whether the 4 feet touch the ground
Timely pad
Are the screws tight Tighten the screws
Be careful. The following phenomena are not faults:
When the product is running, it makes a running sound or "silky" sound, which is the sound of refrigerant flowing in the system0
There is running water at the bottom of the box, which is the condensate of the evaporator,rainy season or humid environment, there is water dew on the side
glass, the edge of the air outlet and the surface of the air return glass, which is not a fault. Just wipe it off with a rago
The thermostat displays "def" and "DF", which is not a fault It is a normal phenomenon and defrosting is displayed.
