Haier DW-150W200 manuale d’uso

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 -------- ---------------------------3 Safety Pr eca utions---------------- --------------- ---4 I n stallation Location------------ -------------------6 I n U s e Preparati ons a[...]

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. ● The freez er is featured with computer control, digital tempe[...]

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 dedic ated to providing high-grade, hig h -pr ecision and advanced pro d ucts, and thus it may say that Haier pr oducts are featured with good qualit[...]

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 ). Precautions for installation location 1. Instal lation site of t he equipment should ens ure a [...]

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. For any equip ment may g[...]

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. The freezer should not be u se[...]

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. Note: I f the freezer is ex cessively incl ined or upsid e down, co mpressor oil would spill onto the system pipe line, resulting in [...]

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. If samp les are too hot, the[...]

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). Anothe r small display screen indicat es current a m[...]

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. W ith th e “Locked” indic ator light on, all the key s ar[...]

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 ℃ . In case of ambient temperature a bove 30 ℃ (exclud ing 30 ℃[...]

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. If stable, change the temperature to -150 . ℃ Note: Unless espe[...]

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. 2. B[...]

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. For safety , be sure to turn of f th e power switch before cleaning. The freezer should be cleaned with a so ft cloth or sponge moi stened with water or so ap water (non-corrosi[...]

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. It is normal that there is fluid flow noise[...]

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. T herefore, the condenser must be cleaned on a regular basis to keep clean. If the freeze[...]

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.g. r ises to -80 ℃ from - 140 ℃ . Cause 1: Dirty con denser or clogged air vent Solution: Clean th e condenser Cause 2: Sl owdown of fan[...]

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.e. after the compressor is moderate ly cooled down , adjust the temperatur e setting to a high er level to ensure that the compresso r may stop running in 50 minutes; have the fre ezer operate at thi[...]

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). As for [...]

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. temperature -150 ℃ Compre ssor 3.5HP Operati ng temperature range -126~-150 ℃ Rated current 2-phase 19A, 3-phase 11 A Rated voltage 380V/50Hz or 220V/50Hz W eight 315kg T e mperatu[...]

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. At a te mper ature not a bove 31 ℃ ,[...]