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SERVICE & 

INSTALLATION 

MANUAL

Chest 

Freezers

51-1371-04

by 

National Refrigeration Products

Summary of Contents for 10DF-13

Page 1: ...SERVICE INSTALLATION MANUAL Chest Freezers 51 1371 04 by National Refrigeration Products ...

Page 2: ... 4DF 13 52 1904 24 6DF 13 52 1904 25 8DF 13 52 1904 33 8FR 13 52 1904 26 10DF 13 52 1904 27 14DF 13 52 2034 01 DI4 2 EXPORT 220V 50HZ PART NO MODELS 52 1904 34 E2SF 13 52 1904 35 E4SF 13 52 1904 36 E4DF 13 52 1904 37 E6DF 13 52 1904 38 E8DF 13 52 1904 39 E8FR 13 If additional information is necessary call the factory Our toll free number is 1 800 486 8369 Technical assistance engineers are willing...

Page 3: ...am Cabinets Except for routine cleaning these chest freezers require little maintenance In the unusual event that repair should be necessary this manual pre sents information that is helpful in maintaining diagnosing and repairing these cabinets ...

Page 4: ... 15 Motor Relay 16 Checking For Electrical Trouble 17 Refrigeration Service Compressor Installation 17 Refrigerant Service 17 Cleaning System After Burnout 19 Wiring Diagram Chest Models 20 ELECTRICAL REFRIGERATION SPECIFICATIONS 2SF 13 4SF 13 R 404A 21 4DF 13 6DF 13 R 404A 22 8DF 13 8FR 13 10DF 13 R 404A 23 14DF 13 DI4 1 R 404A 24 PARTS LISTS Cabinet Parts Illustration R 404A 26 Cabinet Parts Lis...

Page 5: ...colder and counterclockwise for warmer IMPORTANT Turning control counterclockwise to the stop shuts cabinet OFF For storage of package ice cream turn thermostat to coldest position Limit top layer of package to a height consistent with cabinet usage and turn over of product LOCATION Select a location for the cabinet which will be most con venient for the customer and which will allow adequate air ...

Page 6: ...ational Electrical Code and local codes and ordinances The work must be done by a licensed electrician IMPORTANT Do not under any circumstances cut or remove the round grounding prong from the appliance plug WARNING Consult a licensed electrician if you have any doubt about the grounding of your wall receptacle Only a licensed electrician can determine the polarization of your wall receptacle Only...

Page 7: ...et and remove any spilled ice cream from the chamber guards c Wash and dry chamber guards and cabinet interi or See Item 2 above INSTRUCTIONS FOR SEALING CABINET TO FLOOR The National Sanitation Foundation recommends these cabinets be sealed to the floor to prevent water dirt and vermin etc from getting under the cabinet The instruc tions below meet their requirements 1 Position and level the cabi...

Page 8: ... and run it to a floor drain a shallow 2 high maximum pan or to a Filordrain at the sink 5 Disconnect the cabinet by pulling the plug or turning the thermostat off to melt down the frost You can has ten the defrost by using the Filordrain or a hose to spray warm water on the cabinet walls Detailed instructions for using the Filordrain for spraying the frost and removing the accumulated water are a...

Page 9: ...n No clog Wrap around No clog Wrap around No clog Wrap around Radiant Shell Radiant Shell Radiant Shell Evaporator Type Cold Wall Cold Wall Cold Wall Cold Wall Refrigerant Type R404A R 404A R 404A R 404A Refrigerant Control Capillary Capillary Capillary Capillary Defrost System Manual Manual Manual Manual Amp Draw 2 0 2 0 2 0 2 0 Electrical Specs V Hz Ph 115 60 1 115 60 1 115 60 1 115 60 1 NSF 7 I...

Page 10: ...3 234 298 103 Shipping Weight 304 lbs 353 lbs 396 lbs 598 lbs Compressor Size 1 3 HP 1 3 HP 1 3 HP 2 1 3 HP Condenser Type No clog Wrap around No clog Wrap around No clog Wrap around No clog Wrap around Radiant Shell Radiant Shell Radiant Shell Radiant Shell Evaporator Type Cold Wall Cold Wall Cold Wall Cold Wall Refrigerant Type R 404A R 404A R 404A R 404A Refrigerant Control Capillary Capillary ...

Page 11: ...cans 21 12 top 9 bottom 2 1 2 gal 9 I D cans 25 2 1 2 gal 9 1 4 I D cans 30 1 2 gal packages 234 Shipping Weight Approx 353 lbs Compressor Size 1 3 HP Condenser Type No clog Wrap around Radiant Shell Evaporator Type Cold Wall Shell Refrigerant Type R404A Refrigerant Control Capillary Defrost System Manual Amp Draw 3 0 Electrical Specs V Hz Ph 115 60 1 NSF 7 Ice Cream Storage Yes UL CUL Listed Yes ...

Page 12: ...apper and the inner tank is then filled with urethane foam insulation 2 1 4 thick forming a three ply wall of single unit construction The low side tank then is not removable and no repair of the low side can be made The stainless steel top capping is of drawn one piece construction It is put in place after the inner tank is assembled to the wrapper and is secured to the sides of the cabinet with ...

Page 13: ...e the top capping the rivets can easily be removed by drilling out with a small electric drill using a No 30 drill to insure not increasing the size of the hole in either the cap or the wrapper In reassembling install 1 8 aluminum pop rivets Number 576860 in the holes throughout the stain less steel cap and the cabinet wrapper REFRIGERATING SYSTEMS All compressors have fusite mounted terminals and...

Page 14: ...Replace with same part number Changing drier size will effect the system charge 7 Evacuate system to 500 microns 8 Refer to cabinet data plate for proper charge and type of refrigerant used CAPILLARY TUBE A capillary tube is used to regulate the flow of liquid refrigerant into the low side of the system Its resistance or pressure drop due to the length of tube and smaller diameter meters the flow ...

Page 15: ...s the interior of the shell which is at suction pressure From the top of the shell vapor passes down through a tube into the compressor cylinder The pressure and temperature of the vapor is raised in the cylinder by the compression and the vapor is then forced through the discharge valve and into the discharge line leading to the condenser on where the vapor is cooled and some condensation to a li...

Page 16: ... those given in the table If a higher or lower range than is obtainable by the slot ted shaft is desired change the adjustment screw located between the two space connector behind the control Turn the adjustment screw clockwise to raise the temperature and counterclockwise to lower the range THERMOSTAT Adjusting Screw The differential adjusting screw is covered with a liquid sealer which must be r...

Page 17: ...s for heater where damaged heater wire was installed 4 Plug in one end of the replacement heater see FIG URE 14 and carefully insert heater in recess aroud top opening Tuck any excess lenght in space jprovid ed after plugging in the opposite end of the heater wire Reconnect the heater wiring Replace in slots provided and reseal cavity with clear silicone 5 Check that heater operates before replaci...

Page 18: ...s to the common C terminal on the compressor Should the current in the motor windings increase to a dangerous point the heat developed by passage of the current through the bi metal disc will cause it to deflect and open the contacts This act breaks the circuit to the motor windings and stops the motor before any damage can occur The overload protector provides added protection for the compressor ...

Page 19: ...3 on page 15 gives aver age suction and discharge pressures for the different sized cabinets for a thermostat setting of 5 1 2 on the temperature selector dial Discharge pressures are given for both 70 80 and 90 ambient temperatures To check operating pressure install service taps and ser vice gauges The capillary tube allows the high pressure refrigerant to pass into the low side when the unit is...

Page 20: ...irable such as a broken tube or a cracked flare connection occurring in the machine compartment If such a leak should occur the unit will run but with par tial or no refrigerant and the operating pressures are usually low enough and below atmospheric pressure so that with a leak on the low side air and moisture are drawn into the system If there is any reason to believe the system contains moistur...

Page 21: ...tion pressure Moisture on a properly serviced system is a remote possibility However if moisture does enter the system with air drawn in on the suction side of the system or during service operation it will eventually freeze and restrict or completely stop the flow of refrigerant into the low side If this condition should occur pull the service cord and allow the cabinet to warm up to a temperatur...

Page 22: ... SEE ELECTRICAL RATING PLATE FOR SUPPLY VOLTAGE AND FREQUENCY NOTE CABINET MUST BE GROUNDED USE COPPER CONDUCTORS ONLY FAN USED ON MODELS 10DF 14DF HC5 UC744 AND UC744BB SUPPLY CORD FOR ALARM RECORDER ASSY HC5 AND UC744 USED ON UC744 BLOOD BANK MODELS BLOOD BANK MODELS ONLY THERMOSTAT SONALERT 2 9 V BATTERIES ALARM TEST POWER SWITCH SWITCH ALARM ASSEMBLY HC5 AND STD UC744 ONLY 26 0959 00 REV E BK ...

Page 23: ...e Pressure PSIG 259 290 331 Compressor Amps 1 5 1 6 1 6 100 Run 30 23 16 NOTE REFER TO SERIAL DATA PLATE FOR REFRIGERANT TYPE CHARGE 4SF 13 ELECTRICAL REFRIGERATION SPECS SYSTEM COMPONENTS R 404A SYSTEM PERFORMANCE THERMOSTAT SET AT 4 POSITION Compressor Americold Compressor Horsepower HP 117 1 3085 Recommended Operating Temp Range 10 F to 20 F Cabinet Volts 115 Expansion Device 7 x 031 Charge Ref...

Page 24: ...56 289 323 Compressor Amps 1 5 1 5 1 6 Total Refrigeration Amps 1 6 1 7 1 7 100 Run 25 19 11 NOTE REFER TO SERIAL DATA PLATE FOR REFRIGERANT TYPE CHARGE 6DF 13 ELECTRICAL REFRIGERATION SPECS SYSTEM COMPONENTS R 404A SYSTEM PERFORMANCE THERMOSTAT SET AT 4 POSITION Compressor Americold Compressor Horsepower HP 117 1 3085 Recommended Operating Temp Range 10 F to 10 F Cabinet Volts 115 Expansion Devic...

Page 25: ... 242 277 314 Compressor Amps 3 1 3 1 3 3 Total Refrigeration Amps 3 2 3 3 3 5 100 Run 27 21 14 NOTE REFER TO SERIAL DATA PLATE FOR REFRIGERANT TYPE CHARGE 10DF 13 ELECTRICAL REFRIGERATION SPECS SYSTEM COMPONENTS R 404A SYSTEM PERFORMANCE THERMOSTAT SET AT 4 POSITION Compressor Americold Compressor Horsepower HP 127 1 3615 Recommended Operating Temp Range 10 F to 13 F Cabinet Volts 115 Expansion De...

Page 26: ...on Amps 4 8 5 0 5 1 100 Run 14 F 10 C NOTE REFER TO SERIAL DATA PLATE FOR REFRIGERANT TYPE CHARGE NOTE REFER TO SERIAL DATA PLATE FOR REFRIGERANT TYPE CHARGE DI4 1 ELECTRICAL REFRIGERATION SPECS SYSTEM COMPONENTS R 404A SYSTEM PERFORMANCE THERMOSTAT SET AT 4 POSITION Compressor Americold Compressor Horsepower HP 110 1 3083 Recommended Operating Temp Range 10 F to 15 F Cabinet Volts 115 Expansion D...

Page 27: ...Parts List When ordering parts order by part num ber and description including if at all possible the complete cabinet model and serial number ...

Page 28: ...Cabinet Parts Illustration Models 2SF 4SF 4DF 6DF 8DF 8FR 10DF 14DF DI4 2 26 CABINET PARTS ILLUSTRATION ...

Page 29: ...1 0357 21 0357 11 Name plate 50 3221 01 50 3221 01 50 3221 01 50 3221 01 50 3221 01 50 3221 01 50 3221 01 50 3221 01 12 Grill Unit Compartment 50 3527 00 50 3527 00 50 3527 00 50 3527 00 50 3527 00 50 3527 00 50 3527 00 50 3527 00 13 Service Cord 20 3117 03 20 3117 03 20 3117 03 20 3117 03 20 3117 03 20 3117 03 20 3117 03 20 3117 03 14 Drain Cap 10 0306 00 10 0306 00 10 0306 00 10 0306 00 10 0306 ...

Page 30: ... Top Small 21 0560 21 0560 21 0560 11 Name plate 50 3221 01 50 3221 01 50 3221 01 50 3221 01 50 3221 01 50 3221 01 12 Grill Unit Compartment 50 3527 00 50 3527 00 50 3527 00 50 3527 00 50 3527 00 50 3527 00 13 Service Cord 19 1349 00 19 1349 00 19 1349 00 19 1349 00 19 1349 00 19 1349 00 14 Drain Cap 10 0306 00 10 0306 00 10 0306 00 10 0306 00 10 0306 00 10 0306 00 Hinge Plate Small 320037 320037 ...

Page 31: ...0 3 Drier Filter 12 3024 12 3024 12 3024 12 3024 12 3024 12 3024 4 Start Relay 17 0300 00 17 0300 00 17 0300 00 17 0300 00 17 0300 00 17 0300 00 Start Capacitor 17 0301 00 17 0301 00 17 0301 00 17 0301 00 17 0301 00 17 0301 00 Run Capacitor 17 0302 00 17 0302 00 17 0302 00 17 0302 00 17 0302 00 17 0302 00 5 Motor Protector 17 0317 00 17 0317 00 17 0317 00 17 0290 00 17 0290 00 17 0290 00 8 Heat Ex...

Page 32: ...30 COND UNIT COMPARTMENT PARTS ILLUSTRATION Condensing Unit Compartment Illustration Models 2SF 4SF 4DF 6DF 8DF 8FR 10DF 14DF ...

Page 33: ...2 3024 12 3024 12 3024 4 Start Relay 17 0286 00 17 0286 00 17 0286 00 17 0286 00 17 0286 00 17 0286 00 17 0300 00 17 0300 00 Start Capacitor 17 0291 00 17 0291 00 17 0291 00 17 0291 00 17 0291 00 17 0291 00 17 0319 00 17 0319 00 Run Capacitor 17 0288 00 17 0288 00 17 0288 00 17 0288 00 17 0288 00 17 0288 00 17 0320 00 17 0320 00 5 Motor Protector 17 0314 00 17 0315 00 17 0314 00 17 0315 00 17 0315...

Page 34: ...n Part Number 1 Thermostat 23 5117 2 Fan Motor 24 0396 3 Fan Blade 24 0260 5 Fan Bracket 24 0020 6 Condenser Assembly 50 4124 00 7 Drier Filter 12 3024 8 Start Relay 17 0286 00 9 Motor Protector 17 0314 00 10 Compressor 16 0308 00 Start Capacitor 17 0291 00 Run Capacitor 17 0288 00 13 Heat Exchanger 50 4125 00 ...

Page 35: ...oles in the dipper well and mounting plate to the holes provided in the cabinet 4 Secure the dipper well and mounting plate to the cab inet with 2 1 4 20 x 1 2 machine screws which were removed in instruction 1 5 Replace plug buttons removed in instruction 1 in the holes not being used CLEANING PROCEDURES FOR CHOCOLATE SYRUP PUMPS In order to keep pumps in good working condition all pumps should b...

Page 36: ...el the well and mark the location of the second hole on the flange of the dipperwell Remove the well and drill a hole the same size as the other two holes at the marked location Press in a small dab of sealer in each hole before installing the dipper well using 2 No 6 screws NOTE If a smaller dipper well is used one fastening may be adequate DRAIN TROUGH Remove jars and reach through opening to re...

Page 37: ...osition desired 2 Lift one end of the cabinet and place the caster and channel assembly under the cabinet base with the channel flanges against the cabinet base 3 Attach the caster mounting channels to the base of the cabinet by screwing through the flanges of the caster channel into the side of the cabinet base with seven 7 of the 10 self drilling sheetmetal screws supplied with the kit 4 Repeat ...

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Page 40: ...by National Refrigeration Products 563 Corbin Road Honea Path South Carolina 800 486 8369 ...

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