Continental Refrigerator Refrigerators and Freezers Refrigerator User Manual
Contents
1. Iu o a abiens 20 PERIODIC CLEANING 20 SLIDING AND HINGED 55 21 GENERAL PREVENTATIVE MAINTENANCE 21 PARTS AND SERVICE z dodo nu apie uet 22 TROUBLESHOOTING AND SERVICING GUIDE WIRING DIAGRAMS eee RECEIVING YOUR NEW MODEL Congratulations on your recent purchase of Continental Scientific superior laboratory pharmacy equipment products When your shipment arrives please thoroughly examine the shipping crate for any punctures dents or signs of rough handling It is in your best interest to partially remove or open the shipping container in order to examine the model for any concealed damages which may have occurred during shipment If the model is damaged it must be noted on the delivering carrier s delivery slip or bill of lading see filing a damage claim under warranty section GENERAL INFORMATION AND IMPORTANT OPERATING FACTS This manual has been compiled to aid in the installation operation and maintenance of your new equipment Please take the time to read all of the material in order to become more familiar with your equipment and its operation and enjoy optimum performance Important Note All automatic defrost freezers have an energy saving fan delay control to prevent the interior fans from operating until the evaporator coil becomes chilled Therefore on in2. THERMOSTAT CONTROL ELECTRICAL VAPORIZER UNIT RECEPTICAL FIGURE 7 FREEZER SYSTEM AND ADJUSTMENT All self contained standard freezers and low temperature freezers are designed and factory set to maintain an average cabinet temperature of 20 c and 28 c respectively All freezers are designed for the purpose of holding pre frozen bulk product and although they are capable of freezing small quantities of non frozen product they are not to be used as fast or blast freezers Do not attempt to freeze bulk quantities of product The temperature control is accessible from the top of the electrical console box located on the cabinet top behind the front grill see figure 6 if an adjustment is necessary to maintain the above temperature range only on standard freezers place a screwdriver into the thermostat slot and turn clockwise for a colder cabinet temperature or counterclockwise for a warmer 14 cabinet temperature On low temperature freezers place a screwdriver into the right thermostat adjustment screw do not turn the left differential adjustment screw and turn clockwise for a colder cabinet temperature or counterclockwise for a warmer cabinet temperature Further adjustments out of the factory design temperature range must be made by a qualified refrigeration mechanic only DEFROST OPERATION All freezer models are equipped with an automatic electric defrost system consisting of an electric evaporator coil and drain
3. An electrical wiring diagram located on the upper cabinet end panel next to the electrical console box should also be consulted during connection Important Note The condensing unit supplied with all self contained models is designed to operate with a voltage fluctuation of 10 of the voltage indicated on the cabinet serial data plate Full voltage of the correct service on an individual line not affected by the operation of other electrical appliances must be available to the condensing unit at all times Burnout of the compressor due to exceeding the high or low voltage limits is easily detected and will automatically void the factory warranty 115 VOLT 60 HZ 1 PHASE CONNECTION All 115 volt models are provided with a U L approved power cord and polarized plug which is factory installed Warning Any alterations to this cord and plug could cause an electrical hazard and will void the factory warranty To insure proper operation this equipment must be plugged into a NEMA 5 15R compatible grounded receptacle that can supply the full voltage as stated on the serial data plate 208 230 VOLT 60 HZ 1 PHASE CONNECTION All 208 230 volt models are to be permanently connected and are provided with four 4 field wiring leads which exit the electrical console box located in the machine compartment behind the front grill The cabinet circuitry is 115 volts and 9 the condensing unit is 208 230 volts in which the wiring includes a
4. ramp s simply open the cabinet door and position the ramp slots onto the screws located along the cabinet bottom front If the door wiper rubs along the ramp to the extreme where the door will not self close you will need to adjust the door see door adjustment section or level the cabinet as explained above Important Note It is extremely important that your new reach in or roll in model is perfectly level for proper operation If it is not level the following adverse conditions will become apparent 1 The door s will not be properly aligned and consequently will not provide a good seal Roll in door wiper s may bind 2 Your model will run excessively due to improper door seal s 3 An excessive amount of ice will accumulate inside the cabinet around the door opening s and especially on the finned evaporator coil If allowed to continue ice will eventually block the coil and the model will fail This will result in the loss of all product stored within the cabinet 4 Defrost water will fail to drain properly and will overflow the evaporator coil drain pan and into the cabinet of both refrigerator and freezer models INSTALLING CASTERS AND LEVELING REACH IN MODELS If you wish to install casters on your new reach in model follow the steps above for installing legs to install the casters making sure again that the casters are tightened extremely well see figure 3 If the casters are not installed tightly the cabinet will
5. air is provided at all times Periodically at least once a month inspect the condenser coil which is located directly behind the front top grill to check for debris or blockage If the condenser coil is dirty or blocked disconnect the power supply to your model and using a stiff brush brush the dirt from the condenser fins until the condenser is clear from any debris Using a vacuum cleaner with a brush attachment may aid in 2 this cleaning process After cleaning restore electrical service to your model PARTS AND SERVICE Always provide the cabinet model and serial number located on the data plate on the inside right wall of the cabinet whenever contacting the factory or your dealer regarding questions or when ordering parts MODEL __ 5 2L SERIAL Notes TROUBLESHOOTING AND SERVICING GUIDE 22 PROBLEM PROBABLE CAUSE CORRECTION Condensing unit will not start no hum Condensing unit will not start hums but trips on overload protector Condensing unit starts and runs but short cycles on over load protector Condensing unit starts but fails to switch off of start winding 1 LINE DISCONNECTED SWITCH OPEN 2 FUSE REMOVED OR BLOWN 3 OVERLOAD PROTECTOR BLOWN 4 CONTROL OFF DUE TO COLD LOCATION 5 CONTROL STUCK IN OPEN POSITION 6 WIRING IMPROPER OR LOOSE 1 IMPROPERLY WIRED 2 LOW VOLT
6. f and approximately 4 hours of operation are required to reach this temperature Low temperature freezers are designed to maintain an ideal cabinet temperature of 26 7c to 27 8 16f to 18 f and approximately 6 hours of operation are required to reach this temperature THERMOMETER CALIBRATION After your new model has been given sufficient time to pull down to the above specified temperature range the exterior thermometer located on the upper grill must be checked for calibration accuracy All thermometers are carefully calibrated at the factory prior to shipping but may be vibrated out of calibration through rough handling in transit shipping vibration or during installation CALIBRATION CHECK To check calibration an accurate mercury thermometer within the temperature range of your model must be placed inside of the cabinet on the center shelf for at least 15 minutes without any door openings At this time note the temperature on the exterior cabinet thermometer quickly open the door and compare it to the interior thermometer s temperature Whatever the difference if any is the amount the exterior thermometer must be adjusted The adjustment procedure varies depending on which thermometer is equipped with your model see figure 5 DIAL THERMOMETER For a dial thermometer carefully pry the clear plastic lens cover from the thermometer body using a slotted screwdriver To adjust the needle hold the center hub stationar
7. is factory set at 32 minutes and should not require any further adjustment After defrost the fan delay control prevents the evaporator fans from operating until the evaporator coil has reached a temperature of O c approximately 20 minutes thus minimizing warm air circulation inside the cabinet Therefore during initial start up and after each defrost cycle the fans will not turn on immediately 15 24 HOUR DIAL FIGURE 8 DEFROST TIMER SETTING EVAPORATOR ASSEMBLY All refrigerators and freezers have an easily accessible easily serviceable performance rated forced air evaporator assembly which utilizes a plasticized fin coil for extended life see figure 9 LOW PROFILE CEILING MOUNT EVAPORATOR ASSEMBLY The low profile evaporator system is comprised of a generous sized evenly matched evaporator and air circulating fans contained within an easily accessible low silhouette interior ceiling mounted housing 16 DEFROST LIMIT FAN DELAY FREEZERS ONLY EVAPORATOR DEFROST HEATER PLASTICIZED FREEZERS ONLY EVAPORATOR FANS ae WITH PLUG IN o HARNESS FIGURE 9 INTERIOR REACH IN ACCESSORIES The standard interior accessory package that is supplied from the factory with your reach in refrigerator or freezer consists of standard pilaster strips with pilaster clips four 4 clips per shelf three 3 epoxy coated shelves per section and four 4 epoxy coated shelves per section
8. on glass door models only SHELVING INSTALLATION Pilaster strips which support the shelving are secured to the cabinet walls with special pilaster screws which allow the strips to be readily removed for cleaning without the use of tools Shelf clips are easily installed by inserting them into the pilasters at the desired shelf location and shelf installation is as simple as placing 17 the shelf on the clips as shown in figure 10 The standard pilaster and clip are shown in figure 10 and the optional heavy duty pilaster and clip are shown in figure 11 Important Note When loading shelves with product allow space between rows of product for proper air circulation and do not load product to block back wall leave at least 2 of air space between product and back wall 2 2 2 2 2 2 2 2 2 2 2 7 AL FIGURE 10 STANDARD PILASTER OPTIONAL INTERIOR ACCESSORIES In addition to the optional heavy duty pilaster and clip as shown in figure 11 aluminum and stainless steel angle pan slides and universal angle pan slides are available and shown in figure 12 Please consult the price list for additional interior and exterior options and accessories available from the factory for your model 18 2 2 2 2 2 gi 9 9 9 9 9 8 3 9 9 9 EAS FIGURE 11 FIGURE 12 OPTIONAL ANGLE PAN SLIDES SAFETY PRECAUTIONS The following s
9. pan heater automatic electric defrost time clock defrost high limit switch and a fan delay switch The defrost system is time initiated by the time clock and temperature terminated by the high limit switch The time clock is factory preset for three 3 defrost periods per day at eight 8 hour intervals and a fail safe cut off time of 32 minutes These settings should be adequate for most conditions however depending upon use and climate conditions a fourth defrost may be required The defrost time clock is located in the electrical console box where a window allows access to the timer dial To set the time of day on the defrost time clock turn the knob on the center dial of timer face counterclockwise as the arrows indicate until the correct time of day is lined up with the time arrow on the upper left corner of the clock see figure 7 It will be necessary to reset the time of day on the timer if the freezer is turned off or has loss of power To relocate and or add a defrost period simply unscrew the defrost pins located around the outer dial and screw them into the desired time slots an additional pin is located in a storage slot on the right side of the dial Important Note All freezers have a unique energy saving defrost cycle It is time initiated temperature terminated with an automatic auxiliary time cut off safety to minimize electrical consumption and provide for the shortest possible heating cycle This safety time cut off
10. product for shipping To insure the maximum in safety and sanitation all models are listed under the reexamination service of underwriter s laboratories UNCRATING YOUR NEW MODEL The shipping container should remain on your model as protection against dents or scratches while transporting it to the actual set up location Remove the shipping container only at the last possible moment by following these simple steps 1 Using a pry bar pry off and remove crate end bottom staples 2 Pry off and remove crate front and rear bottom staples 3 Slide crate upward and remove it being careful not to rub against cabinet There are up to four 4 bolts securing the cabinet to the wooden skid The bolts are located at each end on the underside of the skid In order to remove these bolts it is advisable to tilt the cabinet backwards and place wooden blocks at each end in order to hold it in its tilted position Using a 3 4 socket or open end wrench remove the bolts and carefully slide the model off of the skid After skid removal the cabinet should never be moved without dollies or rollers to avoid damage to the cabinet bottom or floor Important Note Do not under any circumstances lay your new model on its front or sides Only for a brief period may you lay the model on its back and only then when its properly blocked so as not to crush the condensate drain tubing and also to allow provision for your hands in order to set it in its upright posi
11. AGE TO UNIT 3 STARTING CAPACITOR DEFECTIVE 4 RELAY FAILING TO CLOSE 5 COMPRESSOR MOTOR HAS A SHORTED OR OPEN WINDING 6 INTERNAL MECHANICAL TROUBLE IN COMPRESSOR 7 INSUFFICIENT AIR SUPPLY 1 ADDITIONAL CURRENT PASSING THROUGH OVERLOAD PROTECTOR 2 LOW VOLTAGE TO UNIT 3 OVERLOAD PROTECTOR DEFECTIVE 4 RUN CAPACITOR DEFECTIVE 5 EXCESSIVE DISCHARGE PRESSURE 6 EXCESSIVE SUCTION PRESSURE 7 INSUFFICIENT AIR SUPPLY 1 IMPROPERLY WIRED 2 LOW VOLTAGE TO UNIT 3 RELAY FAILING TO OPEN 4 RUN CAPACITOR DEFECTIVE 5 EXCESSIVELY HIGH DISCHARGE PRESSURE 6 COMPRESSOR MOTOR HAS A SHORTED OR OPEN WINDING 7 INTERNAL MECHANICAL TROUBLE IN COMPRESSOR 1 CLOSE START OR DISCONNECT SWITCH 2 REPLACE FUSE 3 DETERMINE REASON AND CORRECT REPLACE 4 RELOCATE CONTROL 5 REPAIR OR REPLACE CONTROL 6 CHECK WIRING AGAINST DIAGRAM 1 CHECK WIRING AGAINST DIAGRAM 2 DETERMINE REASON AND CORRECT 3 DETERMINE REASON AND REPLACE 4 DETERMINE REASON AND REPLACE 5 REPLACE COMPRESSOR 6 REPLACE COMPRESSOR 7 CLEAR CONDENSER amp ALLOW COMPRESSOR TO COOL DOWN 1 CHECK WIRE DIAGRAM CHECK FOR ADDED COMPONENTS CONNECTED TO WRONG SIDE OF OVERLOAD PROTECTOR 2 DETERMINE REASON AND CORRECT 3 CHECK CURRENT REPLACE PROTECTOR 4 DETERMINE REASON AND REPLACE 5 CHECK VENTILATION RESTRICTIONS IN COOLING MEDIUM OR REFRIG SYSTEM 6 CHECK FOR MISAPPLICATION 7 CLEAR CONDENSER amp ALLOW COMPRESSOR TO COOL DOWN 1 CHECK W
12. CAPACITOR 7 LOOSE WIRING ON RELAY OR OVERLOAD 1 SEE PROBLEM 2 DIFFERENTIAL MUST BE WIDENED 3 a CHECK AIR SUPPLY TO CONDENSER b EVACUATE AND RE CHARGE c EVACUATE AND RE CHARGE 4 a REPLACE EVACUATE AND RE CHARGE b EVACUATE AND RE CHARGE c REPLACE EXPANSION DEVICE 1 FIX LEAK EVACUATE AND RE CHARGE 2 CLEAN CONTACTS OR REPLACE CONTROL 3 ALLOW UNIT SUFFICIENT TIME FOR REMOVAL OF LATENT HEAT 4 PLAN OR ORGANIZE SCHEDULE TO CORRECT CONDITION 5 DEFROST EVAPORATOR COIL 6 DETERMINE LOCATION AND REMOVE 7 CLEAN CONDENSER COIL 8 REPLACE EVACUATE AND RE CHARGE 1 CLEAN CONTACTS OR REPLACE RELAY 2 a DETERMINE REASON AND CORRECT b REPLACE WITH CORRECT RELAY c CORRECT BY USING PUMP DOWN 3 DETERMINE REASON FOR SHORT CYCLE SEE PROBLEM 5 AND CORRECT 4 DETERMINE CORRECT SIZE AND REPLACE 1 CHECK SIZE AND REPLACE 2 DETERMINE REASON AND CORRECT 1 CHECK RELAY AND REPLACE 2 REMOUNT RELAY IN CORRECT POSITION 3 DETERMINE REASON AND CORRECT 4 DETERMINE REASON AND CORRECT SEE PROBLEM 5 5 REMOUNT RIGIDLY 6 REPLACE WITH PROPER CAPACITOR 7 TIGHTEN ALL WIRING SCREWS PROBLEM PROBABLE CAUSE CORRECTION Product zone temperature too high Suction line frosted or sweating Liquid line frosted cold or sweating Noisy condensing unit THERMOMETER READS DIFFERENT THAN ACTUAL TEMPERATURE WATER LEAK INSIDE UNIT DOORS MISALIGNED 1 CONTROL SETTIN
13. Continental i Operation Installation and Instruction Manual for Reach In Refrigerators and Freezers Continental Scientific A Division of National Refrigeration amp Air Conditioning Products Inc 539 Dunksferry Road e Bensalem PA 19020 5908 215 244 1400 s 1 800 523 7138 s Fax 215 244 9579 Operators Manual Table of Contents Page RECEIVING YOUR NEW 1 GENERAL INFORMATION AND IMPORTANT OPERATING FACTS 1 UNCRATING YOUR NEW 2 INSTALLATION AND 2 oa tuos neq octo o nitet im 2 VENTA T ret ede tio eee ede hte 2 FLOOR LOADS s Z Misael eaten Rosas b Poppa E o da p o ges 3 INSTALLING LEGS AND LEVELING REACH IN MODELS 4 MOUNTING ROLL IN MODELS IN PLACE AND LEVELING 4 INSTALLING CASTERS AND LEVELING REACH IN MODELS 5 INSTALLING CONDENSATE EVAPORATOR 6 REMOVAL OF DOORS AND DOOR ADJUSTMENT 7 REMOVAL OF GILL nda e nies ee ode aee C co eap a 8 INITIAL CLEANING PROCEDURE 13 1e eei tee eS cas 8 START UP PROCEDURE aec hasta setas aae gae Seba duae ead 9 ELECTRICAL CONNECTIONS 4 nn nnne nnn nnn nna 9 115 VO
14. G TOO HIGH 2 INADEQUATE AIR CIRCULATION 3 DIRTY CONDENSER 1 OF REFRIGERANT 2 EVAPORATOR FAN NOT RUNNING 3 EXPANSION VALVE STUCK OPEN 4 EXPANSION VALVE SUPERHEAT TOO LOW 1 RESTRICTION IN DRIER STRAINER 2 LIQUID LINE SERVICE VALVE PARTIALLY CLOSED 1 LOOSE PARTS OR MOUNTINGS 2 TUBING RATTLE OR VIBRATION 3 BENT FAN BLADE CAUSING EXCESSIVE VIBRATION 4 FAN MOTOR BEARINGS WORN 1 CALIBRATION 2 DEFECTIVE 1 CONDENSATE DRAIN PAN NOT INSTALLED PROPERLY 2 UNIT NOT LEVEL 3 DRAIN PAN MISALIGNED 4 DFECTIVE DRAIN PAN 1 ADJUST T STAT 2 REARRANGE PRODUCT LOAD TO IMPROVE AIR CIRCULATION 3 CLEAN CONDENSER COIL 1 EVACUATE AND RE CHARGE 2 DETERMINE REASON AND CORRECT 3 CLEAN VALVE EVACUATE AND RE CHARGE 4 ADJUST SUPERHEAT TO REQUIRED SETTING 1 REPLACE DRIER EVACUATE AND RE CHARGE 2 VALVE FULLY OR REPLACE IF NECESSARY 1 TIGHTEN ALL MOUNTING PARTS AND SHROUD COVER 2 REFORM TUBING TO BE FREE OF CONTACT 3 REPLACE FAN BLADE 4 REPLACE FAN MOTOR 1 CONSULT OPERATIONS MANUAL AND CALIBRATE 2 REPLACE 1 CONSULT OPERATION MANUAL FOR INSTALL INSTRUCTION 2 MAKE SURE UNIT IS LEVEL OR PITCHED BACK SLIGHTLY 3 MAKE SURE DRAIN PAN IS ALIGNED PROPERLY 4 REPLACE 1 SHIFTED DURING SHIPPING 1 REFER TO OPERATION MANUAL FOR HINGE ADJUSTMENT WIRING DIAGRAMS SELF CONTAINED REFRIGERATOR YD R1 115 60 1 POWER CORD 115 VAC ONLY CONDENSATE VAPORIZER WHEN E
15. IRING AGAINST DIAGRAM 2 DETERMINE REASON AND CORRECT 3 DETERMINE REASON AND REPLACE 4 DETERMINE REASON AND REPLACE 5 CHECK DISCHARGE SHUT OFF VALVE POSSIBLE OVERCHARGE 6 REPLACE COMPRESSOR 7 REPLACE COMPRESSOR PROBLEM Condensing unit runs but short cycles on Condensing unit runs but for prolonged periods or continuous Start capacitor open shorted or blown Run capacitor open shorted or blown Relay defective or blown out PROBABLE CAUSE CORRECTION 1 OVERLOAD PROTECTOR 2 THERMOSTAT 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 b UNDERCHARGE c RESTRICTION IN EXPANSION DEVICE 1 SHORTAGE OF REFRIGERANT 2 CONTROL CONTACTS STUCK CLOSED 3 EXCESSIVE HEAT LOAD PLACED INTO CABINET 4 PROLONGED OR TOO FREQUENT DOOR OPENINGS 5 EVAPORATOR COIL ICED 6 RESTRICTION IN REFRIGERATION SYSTEM 7 DIRTY CONDENSER 8 FILTER DRIER CLOGGED 1 RELAY CONTACT NOT OPENING PROPERLY 2 PROLONGED OPERATION ON START CYCLE a LOW VOLTAGE TO UNIT b IMPROPER RELAY c STARTING LOAD TOO HIGH 3 EXCESSIVE SHORT CYCLING 4 IMPROPER CAPACITOR 1 IMPROPER CAPACITOR 2 EXCESSIVELY HIGH LINE VOLTAGE OVER 110 OF RATED MAXIMUM 1 INCORRECT RELAY 2 INCORRECT MOUNTING ANGLE 3 VOLTAGE TOO LOW OR TOO HIGH 4 EXCESSIVE SHORT CYCLING 5 LOOSE OR VIBRATING MOUNTING POSITION 6 INCORRECT RUN
16. LT 60 HZ 1 PHASE 9 208 230 VOLT 60 HZ 1 PHASE 9 SPECIAL VOLTAGE CONNECTIONS 10 STARTSUP CHECKLIST urere eee tice c satel ah 10 REMOTE APPLICATIONS 10 OPERATION a b 11 THERMOMETER CALIBRATION 11 CALIBRATION CHECK 11 DIAL THERMOMETER d tees 11 DIGITAL THERMOMETER 12 REFRIGERATOR SYSTEM AND 13 FREEZER SYSTEM AND ADJUSTMENTT 14 DEFROST OPERATION i eo tio en eto o o di lading 15 EVAPORATOR ASSEMBLY ito ete beet 16 LOW PROFILE CEILING MOUNT EVAPORATOR ASSEMBLY rus ss ere eX Eee ates 16 INTERIOR REACH IN ACCESSORIES 17 SHELVING 4 22 22 2 17 OPTIONAL INTERIOR ACCESSORIES 18 SAFETY PRECAUTIONS ei eret ero eee i een 19 MAINTENANGE uu edited
17. QUIPPED ANTI SWEAT DOOR HEATER S TRANSFORMER DIGITAL THERMOMETER THEN EQUIPPED THEN EQUIPPED Continent mermo A Division of National Refrigeration k A C Products Inc 26 SELF CONTAINED REFRIGERATOR YD R2 115 208 230 60 1 115 VOLT CABINET 208 230 VOLT CONDENSING UNIT 208 2307 S574 BLACK el z WHITE BLACK WHITE CONDENSATE VAPORIZER WHEN EQUIPPED RED RED ANTI SWEAT DOOR HEATER S DOOR SWITCH S 1168708 WHEN EQUIPPED EVAPORATOR FAMS 7 WHEN EQUIPPED 208 230 60 1 TEMPERATURE CONTROL CONDENSING UNIT TRANSFORMER DIGITAL THERMOMETER Continental A Division of National Refrigeration amp A C Products Inc 27 SELF CONTAINED GLASS DOOR REFRIGERATOR 115 60 1 POWER CORD 115 VAC ONLY BLACK WHITE po d CONDENSATE VAPORIZER WHEN EQUIPPED RED RED ANTI SWEAT DOOR HEATERS BLA WHITE GLASS DOOR HEATERS DOOR SWITCH S WHEN EQUIPPED EVAPORATOR FAN S WHEN EQUIPPED TRANSFORMER DIGITAL THERMOMETER WHEN EQUIPPED WHEN EQUIPPED Continent a mmm ivision of National Refrigeration k A C Products Inc 28 SELF CONTAINED GLASS DOOR REFRIGERATOR 0 84 115 208 230 60 1 115 VOLT CABINET 208 230 VOLT CONDENSING UNIT D EVAPORATOR PANCS THEN EQUIPPED BLACK 3 TRANSFORMER D THERMOMETER WHEN EQUIPPED WHEN EQUIPPED Continenta unicum A Divisio
18. VOLT POWER CORD MOUNTING BRAKET PLUG INTO CABINET TOP VAPORIZER RECEPTICAL FIGURE 4 CONDENSATE EVAPORATOR INSTALLATION REMOVAL OF DOORS AND DOOR ADJUSTMENT During installation it may become necessary to remove the cabinet doors to facilitate passage through narrow doorways or hallways To remove a door pry off all hinge covers using a sharp tool or knife see figure 5 Swing the door to the open door position 90 degrees and carefully lift the door upward removing the door from the hinge bodies If it is necessary to remove the hinge bodies from the cabinet face be extremely careful not to lose the light switch pin located inside all top hinge bodies To reinstall the door reverse the above procedure All doors have been aligned at the factory however vibration during transportation may cause doors to shift and realignment may be necessary If the door s require realignment proceed as follows 1 Pry off all hinge covers using a sharp tool or knife 2 For each door loosen the screws which secure the hinge bodies to the cabinet face and slide the door into alignment Hold the door firmly in place and tighten all screws securely If the door gasket s do not seal properly to the cabinet face and there are gaps between the gasket and the face on the hinge edge proceed as follows 1 For each door loosen all screws which are directed into the edge of the door and push the door towards the cabinet eliminating the gap Hold
19. afety precautions should be followed when operating any appliances Always disconnect the power cord before attempting to work on or clean 19 any equipment Disconnect the power cord when the appliance will be idled for a long period of time Do not attempt to service this unit yourself as removing any covers may cause exposure to dangerous voltage Always route the power cord so that it is not likely to be walked on or pinched by other appliances Never use extension cords Do not overload outlets with more than one appliance This can result in fire or electrical shock Your model is equipped with a grounded and polarized plug Do not defeat the purpose of this plug by removing the ground post or using a non polarized adapter without properly grounding the outlet Never connect any appliance to a power source while standing in water or with wet hands When a replacement part is required always insist on factory authorized parts only MAINTENANCE PERIODIC CLEANING PROCEDURE It is best to clean your refrigerator or freezer when the product load is at its lowest level inside your cabinet To clean the interior or exterior cabinet surfaces the following procedure should be followed 1 2 Disconnect your model from its power supply and remove all food product from inside Open all doors and allow the cabinet to reach room temperature Remove all accessories shelves racks pilasters clips etc fr
20. cabinet When reinstalling the thermometer bulb be sure to replace the permagum sealant around the hole after inserting the bulb INITIAL CLEANING PROCEDURE Prior to start up and before placing any product inside of your new reach in or roll in laboratory model the interior of the cabinet should be thoroughly cleaned Washing with a mild soap and warm water solution is recommended for cleaning the aluminum and stainless steel surfaces of your cabinet This should be followed by cleaning with a baking soda solution three 3 tablespoons of baking soda to each quart of warm water Rinse thoroughly with clear water and dry with a clean soft cloth Important Note Never use harsh detergents cleaners scouring powders or chemicals when cleaning your model Failure to dry the interior surfaces after 8 cleaning may result in a streaking or staining of the metal Complete cleaning procedures and precautions are listed in the periodic cleaning procedure under the maintenance section START UP PROCEDURE ELECTRICAL CONNECTIONS To insure proper operation your new model must be connected to an individual circuit that can supply the full voltage as stated on the cabinet serial data plate For correct voltage power draw and wire accommodations check the data on the serial data plate located on the inner right wall of your new model Verify that this information exactly matches the electrical characteristics at the installation location
21. ducts must be installed by the installer for this purpose Do not at any time obstruct the grill area in front of the cabinet in any way and never place or store anything on top of the cabinet machine compartment These rules are essential for maximum cooling capacity and long life of refrigeration parts 12 MIN CLEARANCE FIGURE 1 FLOOR LOADS The floor at the final location site must be level free of vibration and strong enough to support the total combined weights of your new model plus the maximum product load which might be placed into it A fully loaded reach in or roll in model may reach 2 000 3 000 pounds To estimate the possible product load weight assume that each cubic foot of storage space weighs approximately 35 pounds Multiply 35 pounds by the amount of cubic feet in the cabinet and obtain the product load weight For example a 20 cubic foot refrigerator can hold 3 approximately 700 pounds of product 35 x 20 and assuming the refrigerator itself weighs 300 pounds the total combined weight of cabinet and product is approximately 1000 pounds Therefore the floor in this example must be capable of supporting up to 1000 pounds INSTALLING LEGS AND LEVELING REACH IN MODELS Your new reach in model is supplied with adjustable type legs for leveling purposes Each single and two section model has four leg mounting holes on its case bottom and three section models have six leg mounting holes Legs are packed
22. eft of the display three times to make the 1 go to 2 Calibration is complete so press the right center of the display to return to normal temperature mode 12 DIAL THERMOMETER DIGITAL THERMOMETER FIGURE 6 THERMOMETER CALIBRATION REFRIGERATOR SYSTEM AND ADJUSTMENT All self contained refrigerators are designed and factory set to maintain an average cabinet temperature of 4 c The temperature control is accessible from the top of the electrical console box located on the cabinet top behind the front grill see figure 6 If an adjustment is necessary to maintain the above temperature range only place a screwdriver into the thermostat slot and turn clockwise for a colder cabinet temperature or counterclockwise for a warmer cabinet temperature Further adjustments out of the factory design temperature range must be made by a qualified refrigeration mechanic only Important Note All refrigerators are designed with an automatic off cycle defrost system which means that defrosting occurs automatically when the 13 compressor is not operating during an off cycle Do not set the thermostat too cold where the cabinet temperature will fall below 2 c because the evaporator will become blocked by ice since the compressor off cycle will be considerably shortened This will result in loss of product stored within the cabinet and require service to defrost the evaporator and re adjust the thermostat CONDENSING UNIT RECEPTICAL
23. herefore on initial start up the fans will not turn immediately This is a normal mode of operation Allow sufficient time for the evaporator coil to reach its operating temperature approximately 20 minutes Caution f unit is unplugged or disconnected for any reason allow several minutes 5 6 minutes before turning the unit back on to allow the system pressures to equalize Disregarding this procedure could cause an overload and prevent the unit from operating REMOTE APPLICATIONS All models are available for purchase as remote models in which case the condensing unit is purchased separately and installed at the time of installation All remote models are equipped with an expansion valve located within the evaporator coil housing and both liquid and suction lines stubbed and extending out from the cabinet case top behind the front grill Installation of the refrigeration accessories 10 condensing unit and electrical hook up should be performed by qualified refrigeration personnel of a competent refrigeration company only OPERATION All cabinets must be given sufficient time to reach normal operating temperature before placing any product inside Refrigerators are designed to maintain an ideal cabinet temperature of 3 3 c to 4 4 c 38 f to 407 and approximately 2 hours of operation are required to reach this temperature Standard freezers are designed to maintain an ideal cabinet temperature of 18 9 c to 20 0 c 2 f to 4
24. ide it open about half way grasp the door on both sides and lift up to clear the bottom door track Tilt the door out at the bottom Use the top of the door to ease the spring loaded closing mechanism back to the closed position Now bring the door down out of the top track Caution should be taken so that the closing mechanism is not allowed to spring back from the half open position since the spring will go past the closed position and may pop out of the top track Should this happen move the closing mechanism back to the closed position To replace the sliding glass door insert the door in the top track and use it to slide the closing mechanism to the half open position Lift the door so it clears the bottom track push in to align the door with the track and let the door down into the track Important Note The glass used in sliding or hinged glass doors is of special sealed pane design and cannot be replaced with ordinary window or plate glass If it becomes necessary to replace the glass it can be obtained directly from the factory GENERAL PREVENTATIVE MAINTENANCE Performance of the air cooled condensing unit located on the top of your new model depends exclusively upon the amount of air passing through the condenser fins Your refrigerator or freezer will run more efficiently consume less current and provide a maximum of trouble free service throughout its lifetime if the condenser is kept clean and an adequate supply of clean cool
25. in the accessory carton from which they must be removed and installed on the cabinet case bottom see figure 2 In order to install the legs carefully tip the cabinet rearward adding four 4 2 wood blocks underneath and simply screw the threaded leg studs into the case bottom front leg holes Repeat this procedure by tilting the cabinet in the opposite direction and install the remaining legs Make sure the legs are tightened extremely well or the entire model will sway or rock with each opening or closing of the doors possibly causing damage to the case bottom This procedure should be performed close to the final installation site and allow access to the rear of the cabinet for condensate evaporator installation see condensate evaporator installation under installation and location section To assure your cabinet is level all legs are equipped with bullet type leveling bolts These bolts can be turned by hand or by wrench clockwise or counterclockwise to level the cabinet FIGURE 2 LEG INSTALLATION MOUNTING ROLL IN MODELS IN PLACE AND LEVELING Your new roll in model is designed and constructed to be mounted directly on the floor without legs or casters The floor must be level and the base of the cabinet should be sealed to the floor around its entire perimeter If the floor is not level it must be made level prior to mounting your roll in model 4 Your roll in model comes with one cart ramp per door opening To install the
26. itial start up the fans will not turn on immediately This is a normal mode of operation Allow sufficient time for the evaporator coil to reach its operating temperature approximately 20 minutes No floor drains or plumbing connections are required since all models are completely self defrosting and use an automatic defrost condensate water evaporating system see condensate evaporator installation under installation and location section All cabinets must be given sufficient time to reach normal operating temperature before placing any product inside For refrigerators approximately 2 hours of operation are required to lower the cabinet temperature to 4 degrees c Freezers require approximately 4 hours of operation to lower the cabinet temperature to 20 degrees c see operation section for further information Never overload top shelf with product so as to block or restrict cabinet airflow Doing so will result in poor performance decrease in efficiency and possible need for service to de ice evaporator Prior to factory shipping all models are performance run tested for a minimum of 12 hours providing a highly sophisticated temperature analysis recording exclusive to each individual cabinet This recording is supplied within this manual packet A final leak check vibration noise level and visual examination is made by a qualified quality control team to assure a quality product The carrier signs to this effect when he accepts the
27. n of National Refrigeration k A C Products Inc 29 SELF CONTAINED FREEZER 115 60 1 POWER CORD 115 VAC ONLY o BROWN DOOR SYITCH S WHEN EQUIPPED DEFROST TIMER 1157 POVER SUPPLY DIGITAL THERMOMETER THEN EQUIPPED WHEN EQUIPPED Continenta mrmr A Division of National Refrigeration amp A C Products Inc 30 SELF CONTAINED FREEZER YD F2 115 208 230 60 1 115 VOLT CABINET 208 230 VOLT CONDENSING UNIT 208 2301 Luz BLACK a WHITE BLACK WHITE pemo CONDENSATE VAPORIZER THEN EQUIPPED DOOR SWITCH S WHEN EQUIPPED FAN DELAY DEFROST LIMIT SWITCH Continenta A Division of nene Refrigeration amp A C Products Inc 31 SELF CONTAINED GLASS DOOR FREEZER D F3 115 60 1 POWER CORD 115 VAC ONLY CONDENSATE VAPORIZER THEN EQUIPPED ANTI SWEAT DOOR HEATER S BLACK WHITE TRANSFORMER DIGITAL THERMOMETER WHEN EQUIPPED WHEN EQUIPPED Continenta unicum A Division of National Refrigeration k A C Products Inc 32 SELF CONTAINED GLASS DOOR FREEZER WD F4 115 208 230 60 1 115 VOLT CABINET 208 230 VOLT CONDENSING UNIT DIGITAL TEERNONETER Cont inenta unicum A Division of National Refrigeration k A C Products Inc 33
28. neutral and a mechanical ground This wiring should be connected to the appropriate power source by a qualified electrician and must conform to all local electrical codes SPECIAL VOLTAGE CONNECTIONS When models are ordered from the factory with special optional voltages connections should be made as required on the electrical wiring diagram provided on the upper cabinet end panel next to the electrical console box START UP CHECKLIST After your model has been installed leveled cleaned and electrically connected in accordance with this manual please take the time before start up to observe the following precautions to assure troublefree operation 1 Check that all exposed refrigeration lines are free of severe dents or kinks 2 Check the condenser fan and evaporator fans for freedom to rotate without any obstructions 3 Make sure that the cabinet is properly leveled see leveling under installation and location section The system should run smoothly and quietly in accordance with generally accepted commercial standards If any unusual noises are heard turn the unit off immediately and check for any obstructions of the condenser or evaporator fans Fan motors fan blades or fan housings can be jarred out of position through rough handling in transit or during installation Important Note All freezer models have an energy saving fan delay control to prevent the interior fans from operating until the evaporator becomes chilled T
29. om within the model wash with a baking soda and warm water solution and rinse thoroughly with clear water Dry all of the accessories completely with a soft clean cloth Once the cabinet has reached room temperature wash the entire cabinet inside and out with a baking soda and warm water solution For slightly more difficult cleanups ammonia or vinegar in warm water can be used Rinse thoroughly with clear water and dry with a soft clean cloth Failure to dry all surfaces completely may cause water stains or streaking on the aluminum or stainless steel finish Return all accessories to their respective positions and return electric supply power to the model PRECAUTIONS 1 Never use harsh detergents cleaners scouring powders or chemicals when cleaning your model 2 Strong bleaches tend to corrode many materials and should never come in 20 contact with stainless steel 3 Tincture of iodine or iron should not come in contact with stainless steel These solutions which cause stainless steel to discolor should be rinsed off immediately if contact occurs 4 Gritty hard abrasives will mar the finish of stainless steel and aluminum and are not recommended SLIDING AND HINGED GLASS All glass doors whether sliding or hinged are easily removable for cleaning Removal of a hinged glass door is the same as a solid door see removal of doors and door adjustment in installation and location section To remove a sliding door sl
30. sway or rock with each opening or closing of the doors possibly causing damage to the case bottom To assure that your cabinet is level caster cups must be installed under the casters which need leveling Caster cups are not provided with your new model but can be purchased at most hardware or furniture stores Do not attempt to level casters by unscrewing them from the case bottom as this will cause damage to the cabinet bottom and leg hole threads voiding all warranties FIGURE 3 CASTERS MUST BE TIGHT TO CABINET BOTTOM INSTALLING CONDENSATE EVAPORATOR No floor drains or plumbing connections are required since all models use an automatic condensate water evaporating system All models are supplied with an electric condensate evaporator pan and mounting bracket packed in the accessory carton To install the condensate pan on models remove both mounting screws located on the bottom of the cabinet back and install the mounting bracket on the case bottom as shown in figure 4 Slide the condensate pan onto the bracket install the drain tube into the pan making sure it is not blocked or kinked and plug the ten foot power cord into the receptacle labeled vaporizer located on the case top electrical box Important Note It is extremely important to be sure that the condensate pan is plugged into its correct receptacle labeled vaporizer and that the condensing unit is plugged into its correct receptacle labeled condensing unit S 115
31. the door firmly in place and tighten all screws securely 2 Replace all snap on hinge covers LOOSEN THESE SCREWS IN ORDER TO SLIDE DOOR INTO ALIGNMENT LOOSEN THESE SCREWS IN OHOER TO OBTAIN PROPER SEAL ON HINGE EDGE OF OOOR FIGURE 5 DOOR ADJUSTMENT AND REMOVAL REMOVAL OF GRILL To remove the grill loosen all four 4 grill mounting screws located on the backside of the grill one or two turns Simply lift grill up off of its mounting screws and out To replace the grill line up the grill mounting screws with the keyhole slots located on the cabinet body push in on the grill and down Important Note If the model is provided with a digital or dial thermometer the front grill cannot be completely removed from the cabinet without first removing the thermometer bulb from inside the cabinet However enough capillary tubing and or wiring cable has been provided to allow the grill to be laid across the top of the cabinet after it has been removed Take care not to damage the capillary tubing when handling the grill If it is necessary to remove the thermometer bulb from inside of the cabinet first locate the thermometer bulb cover and remove the thumbscrews securing it in place The thermometer bulb cover is located on the interior top left corner towards the front of the cabinet Once the cover is removed carefully grasp the bulb and push it back through the cabinet hole The thermometer bulb and grill can now be removed from the
32. tion without inflicting damage to the cabinet Do not plug in and operate model for at least three 3 hours after cabinet is set upright from being on its back as damage could result to the compressor INSTALLATION AND LOCATION CLEARANCES Before moving the cabinet to its final point of installation accurately measure all doorways or passages to assure clearance If additional clearance is needed cabinet doors and grill can be easily removed see instructions outlined in removal of doors and removal of grill sections VENTILATION The final location site of your air cooled refrigerator or freezer must be able to provide a large quantity of cool clean air The refrigeration system operates most efficiently and trouble free with cool dry air circulation Avoid locations near heat and moisture generating equipment as well as direct sunlight where temperatures can be in excess of 100 degrees f Also do not select a location in an unheated room or area where temperatures may drop below 55 degrees f Air supply to the condensing unit is equally important Restricting the air supply will place an excessive heat load on the condensing unit and adversely effect its operating 2 efficiency Important Note To assure sufficient air supply and circulation to the condensing unit a minimum clearance of 12 above the grill and 3 on each side and back of the cabinet must be provided see figure 1 If necessary special venting or air supply
33. y using a small slotted screw driver and very carefully grasp 11 and turn the needle to the desired temperature using your fingers Replace the lens cover and recheck the calibration DIGITAL THERMOMETER For a digital thermometer note how many degrees the digital display needs to be increased or decreased Press twice directly on the mylar display towards the right center using your finger After pressing the first time the display should read cal indicating that you are in the calibration mode and after pressing the second time the display should read either zero or a positive number or a negative number this number is the point of origin for calibration If your digital display needed to be increased you Must advance the point of origin by that many degrees by pressing directly on the mylar display towards the left top If your digital display needed to be decreased you must decrease the point of origin by that many degrees by pressing directly on the mylar display towards the left bottom Once calibration is complete return to normal temperature mode by pressing once again on the mylar display towards the right center Now recheck the calibration Example the digital display reads 7 c and the internal thermometer reads 4 c so the digital display must be increased by 3 Press the right center of the display twice and the number 1 is displayed this is the point of origin and could have been any number Now press the top l
Download Pdf Manuals
Related Search