Instruction/ maintenance manual of the product DW-150W200 Haier
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1-24 S uper Low T emperatur e (SL T) Fr eezer （ DW -150W200 ） Operation Manual Contents Before Us e Pr oduct Fe atur es------------------- ----------------2 Parts Name -------- -------------------.
2-24 Pr oduct Features ● Relying on unique cascade refrigeration system and its stable/r eliable running , the freez e r achieves better r efrigeration effect and may be used i n a wider range of ambient temperatur e compared with counterparts, grea tly r e ducing maintenance cost.
3-24 Parts Name D o o r c l o s u r e C o n t r o l b o a r d Cabinet Front cover of compr essor compartment Notice Dear Haier’s customers, Thank you for choos ing and using Haier products! Haier is.
4-24 Safety Pr ecautions Please read all the in stallation and operation inst ructions carefully, and st rictly follow them when installing and op erating, otherwi se the user shall be solely liab le for any resul tant damag es (including par t damage ).
5-24 samples into the freezer in b atches and p re-cool those hot samples fully be fore putting th em into th e freezer . In case of handling or moving, only after the fr eeze r is left st ill for over 24 hours can it be ener gized to operate, ot herwise r esult in serious damage to the fr eezer , even compr essor burn-out.
6-24 Installation Location 1. The freezer must be in stalled in a well-ventilate d place where the roo m temperature is below 27°C. 2. The freezer must not b e placed in the site that und er direct sunlight or close to heat sources. 3. The temperature of equipment working env ironment should not be less than 10 ° C.
7-24 Pr epa rations and Operation Pr ocedures When handling, it is strictly forbidden to overturn (upside down) the freezer; never allow its angle of inclination over 45° to avoid oil spill onto the system pipeline.
8-24 Samp les sto rage a nd in struc tions Only afte r the freezer opera tes stably after commissi oning and makin g sure t hat inter nal temperature m eets storage requirem ents can samples be put i n to the freezer in ba tches. The freezer must no t be loaded with samples over 1/5 of its effective capa city at a time.
9-24 Contr ol board Adjustment Functions and operating i nstructions of the SL T fr eezer contr o l board ● T emp erature display A large display screen in dicates ac tual inter nal temp eratur e. A small display screen indicates current input voltage (no voltage ind ication for 3-phase power).
10-24 H. “Low battery charge” indicator light “on” in dicates th e battery is at low charge and must be recharged; when connect ed to AC power supply , the SL T freezer charges the ba ttery aut omatically . ● Key definition: There are 4 key s on the temper ature co ntrol board.
1 1-24 “” o r “ △▽ ”. After finishin g the setting, if n o key is pressed in 5s, the temperature val u e stops f lashing, indicating th at the value has been st ored in the computer , otherw ise the setting is invali d . The range of temperature setting is -126 ~ -150 ℃ .
12-24 2.8 If the freezer is req uired to reach its minimum temperature, e.g. –150 , ℃ please do as f ollows: make sure that ambien t temperature is below 25 , ℃ and then set the temperatur e at –145 ℃ and obse rve for 5~7 days for stable working state and starting/stopping.
13-24 Defr os ting · Non-use Defrosting 1. Af ter the SL T freeze r is used for som e time, a laye r of frost may be f ormed; if too t hick, it wou ld influence the refrigeration effect and incr ease pow er consumption. Th erefore, the freez er must be defroste d at certain in terval, that is, upon th e thickness reaching appr oximately 10mm.
14-24 Cleaning Cleaning and maintenance The freezer should be cleaned after unp acking but before initial startup for co mmissioning , during normal us e or before non-use.
15-24 Q & A The following phenomena ar e not faults: In case of fi rst use or startup, th e freezer may work for a long time o r give out loud noise, etc. That is not a fault b ut norma l phenomenon. It is normal that the condenser fan starts and stops automatically accord ing to ambient tempe rature.
16-24 After -sales Ser v ice Analysis on F AQ (frequently asked questions): If the condenser is dirty or clogged, it could not cool the compressed gas prod uced by the work of refrigera n t compress or . When it is o verheate d, the compressor m ay be damaged.
17-24 Solutions: If the probl em lies in contro l board, repl ace it; if lies in compressor itself, replac e it or its accessories. Unstabl e temperatur e Intern al temper ature does not redu ce, but rise s, e.
18-24 running of compressor may be likely to cause compressor burn-out. Solution : Immediately have the co mpressor stop runnin g; one ho ur later , i.
19-24 T elephone nu mber of Haier Headquarters: 86-532 -88937236 、 88936023 Wa r r a n t y This series of products are under warranty in one year ca lculated from the da te of purchase (subject to the invoice date; but calculated from the date on the “Installation a nd Commissioning Sheet” fo r those products purchased from d ealers).
20-24 T echnical Parameter Model DW -150W200 Over all dime nsions (W×D×H) 1570×850×10 60 Ef fective volum e 200L Internal dimensions (W×D×H) 667×462×650 Min.
21-24 Packing List Q t y . D e s c r i p t i o n Model W arranty C ard Operation Manual Frost scra per Plastic bag DW -150W200 1 1 1 1.
22-24 Schematic Cir cuit Diagram.
23-24 Schematic Refrigeration Diagram.
24-24 Ambient Conditions The freezer is designed in consideration of following condit ions an d can be u sed in a sa fe wa y at leas t under the following conditions (on the basis of IEC 1010-1): 1. Indoor use; 2. Altitude not higher than 2000m; 3. Ambient tempera ture within the range of 5 ℃ ～ 32 ℃ ; 4.
An important point after buying a device Haier DW-150W200 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Haier DW-150W200 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Haier DW-150W200 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Haier DW-150W200 you will learn all the available features of the product, as well as information on its operation. The information that you get Haier DW-150W200 will certainly help you make a decision on the purchase.
If you already are a holder of Haier DW-150W200, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Haier DW-150W200.
However, one of the most important roles played by the user manual is to help in solving problems with Haier DW-150W200. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Haier DW-150W200 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
