Haier DW-25L92FL, DW-25L92SF, DW-30L278SF, DW-30L278FL Operation Manual

Manufacturer: Qingdao Haier Biomedical Co., Ltd.
Address: Haier Industrial Park, Economic Technology Development
Zone, Qingdao P.R. China
Web:www.haiermedical.com
Revision Date:09/2018
Version:2nd,2018
Dedicated code:0270501299Y
V13026

Certificate of Quality

checker:

Model:
DW-25L92FL
DW-25L92SF
DW-30L278FL
DW-30L278SF

Laboratory Deep Freezer with
explosion-proof interior
Operation manual

• Our company reserves the right to interpret the Operaiton Manual.

• Read the Operation Manual carefully before using your appliance.

• Keep the Operation Manual in a safe place.

• Appearance , color and layout of the door may vary.

• Translation of the original instruction.

• The product is fit for low temperature storing goods.

29

28

Packing List

Name DW-25L92FL DW-25L92SF DW-30L278FL DW-30L278SF

Specifi cations 1 1 1 1

Drawer / 3 6 6

Key 2 2 2 2

Plastic bag 1 1 1 1

Pad lock/Lock /1 /1 1/1 1/1

Handle kits 1 1 1 1

Brackets

(for rear wall distance)

/ / 2 2

Ice scraper 1 1 1 1

1

• Multiple fault alarms(Hi-low temperature alarm, sensor fault alarm, door ajar
alarm(only applicable to DW-25L92FL/SF),power failure alarm(only applicable
to DW-30L278FL/SF)

• Two modes for alarm(sound buzzer and alarm lamp fl ickering)

• All components are electrically grounded.

• Refrigeration system is optimized with high quality hermetically sealed
compressors and other components for a high effi ciency performance.

• User – friendly design with microprocessor control for smart and carefree
operation, adjustment not needed.

• High performance thermal insulation for excellent temperature protection.

The product application scope:Temperature setting range -10℃ ~-25/-30℃ .
Computer control and temperature numberic display with temperature display
precision of 1/0.1℃ .

The freezer you obtained is probably not exactly the same as illustrated in the operation manual
due to continuous improvement of product, we regret for this.Content of this instruction is subject to
alternation without prior notice.

Product Feature

Temperature

Control

Safety

System

Refrigeration

system

User-Friendly

Design

2

Content

Product Feature ............................................................... 1

Content ............................................................................ 2

Safety Precautions .......................................................... 3

Precautions for use.......................................................... 6

Product Installation .......................................................... 8

Componet Names•Control Panel ................................... 12

Application method ......................................................... 15

Cleaning and Maintenance ............................................. 19

FAQ ................................................................................ 20

Refrigeration Schematic & Circuit Diagram .................... 22

Specifi cation ................................................................... 25

27

Specifi cation

Specifi cation

Name Laboratory Deep Freezer with explosion-proof interior

Model DW-25L92FL/92SF DW-30L278FL/278SF

Exterior dimension (W×D×H)(mm) 597×635×835 745×675×1810

Interior dimensions(W×D×H)(mm) 435×410×635 520×435×1230

Effective volume 92L 278L

Door/Insulation Foaming door/CFC-Free foamed-in-place urethane

Compressor High Quality Hermetically sealed compressor

Drawer/Shelf/

Loading of each drawer/shelf

Shelf / Plastic drawers

≤16kg/9kg(small drawer)

Permanent anti-static plastic

drawers /Plastic drawers/≤17kg

Refrigerating Method Direct cooling

Exterior / Interior Spray coated steel plate/Permanent anti-static sheet / PS plate

Condenser/Evaporator Wire and tube type / plate type

Temperature Control Microprocessor controlled

Refrigerant R600a 52g R290 105g

Net weight 46kg 115kg

Setting temperature range -10℃ ~-25℃ -10℃ ~-30℃

Voltage/Input power 220V-240V ~/50Hz/160W 220V-240V ~/50Hz/330W

Anti-shock Safety Classifi cation I I

Climate type/Noise Level(Lp) 4/27dB(A) 4/40 dB(A)

Foaming Agent CP/IP CP/IP

Alarm

Hi-low temperature alarm, sensor error alarm, door ajar
alarm(only applicable to DW-25L92SF/FL),power failure alarm
(only applicable to DW-30L278SF/FL)

Production date /expected service

life/Software release version

On the barcode / 10 years / V4

Type of protection of

explosion-proof interior

ic

ATEX classifi cation Group II Category 3 G

EX Marking Ex ic IIC T6 Gc

Temperature class T6

EU Examination Certifi cate Number CML 18ATEX4058X

Note: Climate Type 4 means the temperature is +30℃ ,the relative humidity is 55%.Technical
information may vary fromthe appliance that you have just purchased due to technical improvements.

26

DW-30L278FL/278SF

3

Dear user's:
Thanks for your choice of Laboratory Deep Freezer with explosion-proof interior, please make sure
you have carefully read and observed the contents with following signs in the manual, for better
understanding of this manual and better use of this product, so as to prevent personal injuries and
damage.

Close down the gas leaking valve and open the door and windows for ventilation in case of
leakage of infl ammable gas like coal gas etc., do not insert or pull out the power plug of the
freezer, otherwise it may trigger and explosion and fi re.

Only the professional technicians or after-sale service men can install this freezer. Otherwise it
may result in an electric shock or fi re.

Make sure to place the freezer fi rmly on a solid and fl at groud. If the ground is not stable or it
is not properly placed, it will cause overturn of the freezer or personnel injury.

Please use the dedicated power supply indicated on the nameplate of the freezer, or
otherwise, it may cause a fi re or electric shock.

If it is required to lengthen the power cord, the section area of the lengthen cord must not be
less than 2mm

2

and the length shall not be longer than 3m. Otherwise, it may cause a fi re or

electric shock.

The power cord of this freezer is provided with a three-wire(earthing) plug, complying with the
standard 10A three-wire(earthing) socket. Never cut or remove the earting pin of the power
cord in any case. Make sure that the power plug and socket is inserted tightly and reliably,
otherwise it may result in a fi re.

Please use an earthed power supply socket for fear of electric shock.

If the power socket is not earthed, be sure to have the earth wire installed by a professional
technician.

Do not use the freezer in the open air.When the freezer gets wet in the rainwater, it may cause
leakage of electricity or electric shock.

Do not place the freezer in a damp site or a place where ir may easily suffer from spraying
water. Otherwise, it may cause leakage of electricity or electric shock due to degeneration of
its insulation.

Do not pour water onto the freezer in a direct inclined way, otherwise it may cause an electric
shock or a short circuit.

Safety Precautions