Instruction/ maintenance manual of the product Refrigerators and Freezers Continental Scientific
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Operation, Installation and Instruction Manual for Reach-In Refrigerators and Freezers Cont inental Scient ific A Division of National Refrigeration & Air Conditioning Products, Inc.
Operators Manual Table of Contents Page RECEIVING YOUR NEW M ODEL........................................................................ 1 GENERAL INFORMATION AND IMPORTANT OPERAT ING FACTS ................. 1 UNCRATING YOUR NE W MODEL ..............
TROUBLESHOOTING AND SER VICING GUIDE .............................................. 22 W IRING DIAGRAMS ...............................................
RECEIVING YOUR NEW M ODEL Congratul ations on your r ecent purchase of Continental Scienti fic superior laboratory /pharmacy equipment products! W hen your shipment ar riv es, please thoroughly ex amine the shipping crate for any punctures, dents, or sig ns of roug h handling.
and sanitation, all models are li sted under the reexami nation ser vi ce of underw riter's l aboratories. UNCRA TING YOUR NEW MO DEL The shipping container shoul d remain on y our model as pr otection against dents or scratches whil e transporting it to the actual set- up location.
efficiency. Important Note: To assure suf ficient air supply and circulation to the condensing unit, a minimum clearance of 12" above th e grill and 3" on each side and back of the cabinet must be prov ided (see figure 1) . If necessary, special v enting or air supply ducts must be installed by the instal ler for this purpose.
approxi m ately 700 pounds of product ( 35 x 20) and assuming the refriger ator itself weig hs 300 pounds, the total combined wei ght of cabinet and product is approxi m ately 1000 pounds. Therefore, the floor in this ex ample must be capable of supporting up to 1000 pounds.
Your roll -in model comes with one cart r amp per door opening . T o install the ramp(s), simply open the cabinet door and positi on the ramp slots onto the screw s located along the cabi net bottom f ront.
FIGURE 3 CA STERS MUST BE TIGHT TO CA BINE T BOTTOM INSTA LLI NG CONDENSA TE EVAPORA TOR No floor drains or plumbing connecti ons are req uired since al l models use an automatic condensate w ater ev aporating system. All models are supplied wi th an electric condensate evaporator pan and mounting bracket packed in the accessor y carton.
FIGURE 4 CONDENSA TE EVA PORA TOR INS TA LLATION REMO VA L OF DOORS A ND DOOR A DJUSTM ENT During installation, it may become necessary to remove the cabi net doors to facilitate passage through narrow doorways or hallw ays. To remove a door, pry off all hing e covers using a shar p tool or knife (see fig ure 5).
FIGURE 5 DOOR A DJUSTME NT A ND REMOV A L REMO VA L OF GRILL To remove the grill, loosen all four (4) grill mounting screw s located on the backside of the grill one or two turns.
cleaning may result in a streaking or staining of the metal. Complete cleaning procedur es and precautions are l isted in the "per iodic cleani ng procedure" under the mai ntenance section.
the condensing unit is 208- 230 volts i n which the wi ring includes a neutral and a mechanical ground. This w iring should be connected to the appropr iate power source by a q ualified electrician and must conform to all local electr ical codes.
condensing unit, and electrical hook-up should be per f ormed by q ualified refriger ation personnel of a competent refrigeration company only. OPERA TION All cabinets must be g iven sufficient time to reach normal operating temper ature before placing any product inside.
and turn the needle to the desired temperature usi ng y our finger s. Replace the lens cover and recheck the calibrati on. DIGITAL THERMOMETER For a digital thermometer, note how many degrees the digital display needs to be increased or decreased. Pr ess twice directly on the myl ar display towards the rig ht center using y our finger.
FIGURE 6 THERMOMETER CA LIBRATION REFRIGERA TOR SYSTEM A ND ADJUSTMENT All self-contai ned refriger ators are desi gned and factory set to maintain an aver age cabinet temperature of 4`c. The temperatur e control is accessible f rom the top of the electrica l console bo x located on the cabinet to p behind the fron t grill (see figure 6).
compressor is not oper ating dur ing an off-cycle. Do not set the thermostat too cold where the cabine t tem perature will f all below 2`c becau se the evapo rator will becom e b locked by ice since th e comp ressor of f -cycle will be considerably shortened.
cabinet temperature. On l ow- temperature freez ers, place a screw driv er into the right ther mostat adjustment screw ( do not turn the left di fferent ial adjustment screw) and turn clockwise for a colder cabinet temperatur e or counterclockwise for a warmer cabinet temperature.
FIGURE 8 DEFROST TIMER SETTING EVA PORATOR A SSEMBLY All refrig erators and freezers have an easi ly accessible, easily serviceabl e, performance rated, f orced-air evaporator assembly w hich utilizes a plasticiz ed fin coil for ex tended life (see figur e 9).
FIGURE 9 LOW-PROFILE,CEILING- MOUNT EVA PORA TOR A SSEMBLY INTERIOR REA CH-IN A CCESSORIES The standard interior accessory packag e that is supplied from the f actory wi th y o ur reach-in r efrigerat.
the shelf on the clips as show n in figure 10. The standard pil aster and clip ar e shown i n figure 10, and the optional heavy -duty pilaster and clip are shown in figure 11.
FIGURE 11 OPTIONA L HEA VY-DUTY PILA STER FIGURE 12 OPTIONA L A NGLE PA N SLIDES SA FETY PRECA UTIONS The following saf ety precautions shoul d be followed when operati ng any appliances: ¬ Alway s d.
any eq uipment. ¬ Disconnect the power cord w hen the appliance will be idled for a long period of time. ¬ Do not attempt to serv ice this unit yourself as remov ing any cover s may cause exposure to dang erous voltage. ¬ Alway s route the power cor d so that it is not l ikely to be walked on or pinched by other appliances.
contact with stai nless steel. 3. Tincture of iodine, or iron shoul d not come in contact with stainless steel. These solutions, whic h cause stainless steel to di scolor, should be ri nsed off immediately if contact occurs. 4. Gritty, hard abrasives will mar the f inish of stainless steel an d alumin um and are not recommended.
this cleaning process. Af ter cleaning , restore electrical ser vic e to your model . PA RTS AND SERVICE Al w a ys provide the cabi net model and serial number (l ocated on the data plate on the inside ri ght w all of the cabinet) w henever contacting the factory or your dealer regardi ng questi ons or when ordering parts.
PROBLEM PROBABLE CA USE CORRECTION Condensing unit will not start - no hum. 1.LINE DISCONNECTED, SW ITCH OPEN. 2.FUSE REMOVED OR BLOW N. 3.OVERLOAD PROTECTOR BLOW N. 4.CONTROL "OFF" DUE TO COLD LOCATION. 5.CONTROL STUCK IN OPEN POSITION. 6.W I RING IMPROPER OR LOOSE.
PROBLEM PROBABLE CA USE CORRECTION Condensing uni t runs, but short cycl es on: 1.OVERLOAD PROTECTOR. 2.THERM OSTAT. 3.HIGH PRESSURE CUT-OUT DUE TO: (a) INSUFFICIENT AIR SUPPLY. (b) OVERCHARGE. (c) AIR IN SYSTEM . 4.LOW PRESSURE CUT-OUT DUE TO: (a) VALVE LEAK.
PROBLEM PROBABLE CA USE CORRECTION Product zone temperature too hig h. 1.CONTROL SETTING TOO HIGH. 2.INADEQUATE AIR CIRCULATION. 3.DIRTY CONDENSER 1.ADJUST T-ST AT 2.REARRANGE PRODUCT LOAD TO IMPROVE AIR CIRCULATION. 3.CLEAN CONDENSER COIL Suction line frosted or sweating .
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An important point after buying a device Continental Scientific Refrigerators and Freezers (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Continental Scientific Refrigerators and Freezers 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 Continental Scientific Refrigerators and Freezers - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Continental Scientific Refrigerators and Freezers you will learn all the available features of the product, as well as information on its operation. The information that you get Continental Scientific Refrigerators and Freezers will certainly help you make a decision on the purchase.
If you already are a holder of Continental Scientific Refrigerators and Freezers, 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 Continental Scientific Refrigerators and Freezers.
However, one of the most important roles played by the user manual is to help in solving problems with Continental Scientific Refrigerators and Freezers. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Continental Scientific Refrigerators and Freezers 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
