Compact Refrigerators & Freezers
Contents
1. Delfield Compact Refrigerators amp Freezers service and Installation Manual Please read this manual completely before attempting to install or operate this equipment Notify carrier of damage Inspect all components immediately 400 amp 4000 Series Work Top And Undercounter Refrigerator Or Freezer Bases A April 2013 INI Q anitowoc Compact Refrigerators and Freezers Service and Installation Manual Important Warning And Safety Information WARNING Read This Manual Thoroughly Before Operating Installing Or Performing Maintenance On The Equipment gt P WARNING Failure To Follow Instructions In This Manual Can Cause Property Damage Injury Or Death WARNING Do Not Store Or Use Gasoline Or Other Flammable Vapors Or Liquids In The Vicinity Of This Or Any Other Appliance WARNING Unless All Cover And Access Panels Are In Place And Properly Secured Do Not Operate This Equipment WARNING This Appliance Is Not Intended For Use By Persons Who Lack Experience Or Knowledge Unless They Have Been Given Supervision Or Instruction Concerning Use Of The Appliance By A Person Responsible For Their Safety WARNING This Appliance Is Not To Be Played With WARNING Do Not Clean With Water Jet WARNING Do Not Use Electrical Appliances Inside The Food Storage Compartment Of This Appliance CAUTION Observe the following e Minimum clearances must be maintained from all walls and combustible materials e Keep the equipm2. Once all frost is eliminated the temperature of the coil continues to rise until it reaches 27 minutes The defrost control switches to refrigeration mode Defrost will initiate every six hours Turn the defrost timer screw ONLY in a clockwise direction turning the screw counter clockwise NOTE will break the cam motor Service Alert During normal operation the evaporator fan may cycle and or pulse independently of the compressor Consult the service manual or contact Technical Support at 1 800 733 8829 if you are unsure of the proper function Delfield Compact Refrigerators and Freezers Service and Installation Manual Freezer Models 403 amp 407 Temperature Control Operation After the unit is connected to power it will automatically begin operating With the doors closed the temperature of the cabinet should reach O F 18 C on freezers in about one hour Continuous opening and closing of the doors will hamper the unit s ability to maintain optimum temperature The electronic temperature control constantly monitors box temperature as well as evaporator coil temperature to maintain consistent product temperatures As an added energy saving feature the electronic controller will switch the evaporator fan motor on and off with the compressor and condenser fan motor At initial start up or anytime power is disconnected then reconnected to the unit the control will delay all operations for a short time up to 10 minute
3. have an acidic content which can deteriorate the finish Be sure to clean the Stainless steel surfaces of ALL food products Common items include tomatoes peppers and other vegetables CAUTION If your freezer seems to vibrate excessively when the compressor is running loosen but do not remove the bolts on the compressor Semi hermetic models should be loosened before operating Gasket Maintenance Gaskets require regular cleaning to prevent mold and mildew build up and also to keep the elasticity of the gasket Gasket cleaning can be done with the use of warm soapy water Avoid full strength cleaning products on gaskets as this can cause Delfield Compact Refrigerators and Freezers Service and Installation Manual Maintenance continued them to become brittle and prevent proper seals Also never use sharp tools or knives to scrape or clean the gasket which could possibly tear the gasket and rip the bellows Gaskets can easily be replaced and do not require the use of tools or authorized service persons The gaskets are Dart style and can be pulled out of the grove in the door and new gaskets can be pressed back into place Doors Hinges Over time and with heavy use doors the hinges may become loose If it is noticed that the door is beginning to sag it may become necessary to tighten the screws that mount the hinge brackets to the frame of the unit If the doors are loose or sagging this can cause the hinge
4. on the left upper sidewall inside the cabinet or under the top nosing directly above the door when the door is in the closed position right hand door when there are two doors Always have the serial number of your unit available when calling for parts or service A complete list of authorized Delfield parts depots is on www delfield com This manual covers standard units only If you have a custom unit consult the customer service department at 1 800 733 8829 2013 The Delfield Company All rights reserved Reproduction without written permission is prohibited Delfield is a registered trademark of The Delfield Company Warranty Information Visit http Avww delfield com minisite service warranty_info to e Register your product for warranty e Verify warranty information e View and download a copy of your warranty Regulatory Certifications Models are certified by O National Sanitation Foundation NSF 000 Underwriters Laboratories UL Underwriters Laboratories of Canada ULC 9 C7 H gt 4 For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com Delfield Compact Refrigerators and Freezers Service and Installation Manual Specifications Work Top Refrigerator Bases With Stainless Steel Top amp Backsplash Model L D H vee SC H P ie Amp NEMA Plug ieee 402 T E S 57 4 6 1 5 7 0 4 0 545P ake ST4
5. rust It also contains 12 30 chromium which forms an invisible passive film over the steels surface which acts as a shield against corrosion As long as the protective layer is intact the metal is still stainless If the film is broken or contaminated outside elements can begin to breakdown the steel and begin to form rust of discoloration Proper cleaning of stainless steel requires soft cloths or plastic scouring pads NEVER USE STEEL PADS WIRE BRUSHES OR SCRAPERS CAUTION Cleaning solutions need to be alkaline based or non chloride cleaners Any cleaner containing chlorides will damage the protective film of the stainless steel Chlorides are also commonly found in hard water salts and household and industrial cleaners If cleaners containing chlorides are used be sure to rinse repeatedly and dry thoroughly upon completion Routine cleaning of stainless steel can be done with soap and water Extreme stains or grease should be cleaned with a non abrasive cleaner and plastic scrub pad It is always good to rub with the grain of the steel There are also stainless steel cleaners available which can restore and preserve the finish of the steels protective layer Early signs of stainless steel breakdown can consist of small pits and cracks If this has begun clean thoroughly and start to apply stainless steel cleaners in attempt to restore the passivity of the steel Never use an acid based cleaning solution Many food products
6. 048 eat ion Eo 10 80 80 1 5 7 0 4 0 5 15P ae Undercounter Refrigerator Bases With Stainless Steel Top Model L D a Ue SE jg a Amp NEMA Plug re l 406 TR ei an 57 4 6 1 5 7 0 4 0 545P as UC4048 ree ea Tom 10 80 80 1 5 7 0 4 0 5 15 aoe Undercounter Refrigerator With Subtop And 3 75 Casters Model L D H ae SC HP o Amp NEMA Plug Wace 406 CA agoni 1 wk a OORT Work Top Freezer Bases With Stainless Steel Top amp Backsplash Model L D H r 1r H P A Amp NEMA Plug i l 403 hou Er ree 57 46 1 5 7 0 58 5 15P Pors ST4148 Abi cos nd ca 10 80 8 0 1 3 7 0 56 5 45P aa Undercounter Freezer Bases With Stainless Steel Top Model L D y e E p a Amp NEMA Plug re 407 oe a oe 57 4 6 1 5 7 0 58 5 15P Dias UC4148 m G G 1080 80 1 3 7 0 56 5 15P R Undercounter Freezer With Subtop And 3 75 Casters Model L D h Ae N 2g a Amp NEMA Plug rae l wa C ms OT OCP as J Delfield e 1e For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com 5 Compact Refrigerators and Freezers Service and Installation Manual Installation Location Units represented in this manual are intended for indoor use only Be sure the location chosen has a floor strong enough to support the total weight of the cabinet and contents Reinforce the floor as necessary to provide for maximum loading For the most efficient refrigeration be sure to provide good air circulation inside and out Inside cabinet Do not pack refrigerator so full that
7. air cannot circulate Outside cabinet Be sure that the unit has access to ample air On all 400 and 4000 Series equipment a minimum space of 3 7 6cm at the back of the unit and 1 2 5cm at the top and sides is required to conform to Underwriters Laboratories standards On undercounter units it is imperative that the proper air flow be maintained The refrigeration system is designed so air will flow under the unit over the compressor condenser area and out at the top rear of the unit Avoid hot corners and locations near stoves and ovens Any restriction of the proper air flow outlined above total or partial will void the warranty on nore the unit Leveling A level cabinet will perform better because the drain pan will drain properly the doors will line up with the frames and the cabinet will not be subject to undue strain All four legs are adjustable Adjust each leg until the unit is stable and level left to right If necessary adjusting the front legs slightly higher than the rear by about 1 8 0 3cm will help the door remain closed If the unit is supplied with casters no adjustments are available Ensure the floor where the unit is to be located is level Never stand on the unit Doing so may result in bodily injury They are not designed to hold the weight of an DANGER adult and will collapse if misused in this manner Stabilizing Some models are supplied on casters for your convenience for ease of c
8. be stacked using a stacking collar Delfield model 409 In this case two 6 1 8m long grounded supply cords and plugs are standard Simply plug them in to begin operation For Cord Connected Units Risk of Electric Shock This equipment has two power supply cords Unplug all cords before moving or servicing this equipment CAUTION Delfield Compact Refrigerators and Freezers Service and Installation Manual Caster Or Leg Installation 400 amp 4000 Series 1 Carefully place the unit on its back see illustration at right 2 Located at each caster mounting location are 4 Phillips head Mads screws for a total of 16 screws Remove them 3 Place a locking plate caster or leg over one of the front holes matching the 4 mounting holes to the pre drilled holes in the Voie underside of the unit Insert 4 Phillips head screws and tighten re Screws DAS Repeat with the other locking front caster or leg 4 Repeat step 3 with the non locking casters or legs in the rear Plate caster installation 400 amp 4000 Series of the unit 5 Carefully lift the unit upright After installing casters or legs the unit must stand upright for twenty four 24 hours before being WARNING Powered up to assure oil return to the compressor sump Caster and Leg Mounting Detail A universal bolt hole pattern is provided on the bottom of the cabinet It will accommodate any leg or caster Simply line up the plate holes with the corresp
9. ent area free and clear of combustible material e Allow adequate clearance for air openings e Operate equipment only on the type of electricity indicated on the specification plate e Unplug the unit before making any repairs e Retain this manual for future reference 9 CZ H gt 2 For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com Delfield Receiving amp Inspecting Eouiprment sese eee eee 3 Serial Number LOCAatiON pisessi iisisti 4 Warranty 1Inrormmaipn see eee eee eee eee 4 Regulatory Certifications ccscscssssssesesesssesssesssesesesssesesesesees 4 RS 07167 047110 S mr nn dt odia 5 Salai az E TTT E 6 Caster Or Leg Installation ccsscssesesesssssssesssesesesssssesessseseees 7 Caster amp Leg Mounting Detail 7 Refrigerator Temperature Control O0grati n e 8 Freezer Model 4148 Temperature Control Operation c000 8 Freezer Models 403 amp 407 Temperature Control Operation 9 Evaporator Fan Operation MAINLGN ANGE fcc ececresne teeeecesserscxeccteteturete mevete delisted cess ceaenieeest Refrigerator Wiring Diagram eee eee eee Refrigerator Replacement Parts Lists Freezer Wiring Didgra Missieri Freezer Replacement Parts USS eee Standard Labor Guidelines Even though most equipment is shipped crated care should 4 Receiving And Inspecting The Equipment be taken during unloading so the equipme
10. es 400 Series G v 4100 Series L I E i 115V 60Hz 1 uo e no NEMA5 15P SEE NAMEPLATE FOR MAXIMUM Supply Cord amp BE L Plug Furnished TEMPERATURE CONTROL N 9 EVAPORATOR FAN e MuiinHeate TT FAN RELAY 4148 Only HI LIMIT od 4 HEATER RELAY C Defrost Limit Defrost Heater a o b O ed COMPRESSOR y v 00 112 3 212 3 312 3 T Rr Fan E CY Timer L 22 De T Tos CONDENSOR FAN SE 000 oe g2 I Condensing E Temperature Unit Control Freezer Replacement Parts List 403 407 407CA T4148 UC4148 Part Description Part Description 3234025 3 Caster brake 3234025 3 Caster brake 3234024 3 Caster no brake 3234024 3 Caster no brake 3234160 5 Caster no brake 3234160 5 Caster no brake 3234161 5 Caster brake 3234161 5 Caster brake 3234791 6 Leg 000 B3 0035 24 Door left hand 000 B3 0031 27 Door left hand 000 B31 0034 24 Door right hand 000 B3I 0030 27 Door right hand 3234791 6 Leg 0074058 Capillary tube 036 id x 168 0074058 Capillary tube 036 id x 168 3526996 Compressor 3527000 Compressor 3516446 Compressor relay 158 ATA 0050 Condensate coil hot gas 2194787 Compressor start capacitor 149 AWM 0040 Condensate pan 158 ATA 0050 Condensate coil hot gas 3516276 Condenser coil 149 AWM 0040 Condensate pan 3516172 Condenser fan blade clear lexan 3516275 Condenser c
11. he unit and is evaporated by the heat given off by the compressor Turn the defrost timer screw ONLY in a clockwise direction turning the screw counter clockwise NOTE will break the cam motor Service Alert During normal operation the evaporator fan may cycle and or pulse independently of the compressor Consult the service manual or contact Technical Support at 1 800 733 8829 if you are unsure of the proper function Freezer Model 4148 Temperature Control Operation After the unit is connected to power it will automatically begin Operating With the doors closed the temperature of the cabinet should reach 0 F 18 C on freezers in about one hour A thermostat located in the evaporator housing on interior rear of the unit controls the temperature in the box The factory setting for the control is 4 and maintains about 3 F 18 C in the box Set toward 1 for higher temperatures and toward 7 for lower temperatures Continuous opening and closing of the doors will hamper the unit s ability to maintain optimum refrigeration temperature When the mechanical timer initiates a defrost cycle power to the condensing unit and evaporator fans is interrupted and the defrost heater is energized The defrost heater warms the 8 For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com evaporator coil thereby melting all frost accumulated during the previous refrigeration cycle
12. leaning underneath and mobility 1 The unit must be installed in a stable condition with the front wheels locked Locking the front casters Nore after installation is the owner s responsibility 6 For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com Plumbing Self contained models are standard with a condensate evaporator If for some reason a unit does not have a condensate evaporator or the evaporator fails the unit s drain must have an outlet to an appropriate drainage area or container Moisture collecting from improper drainage can create a slippery surface on the floor and a hazard to canon employees It is the owner s responsibility to provide a container or outlet for drainage Electrical connection Refer to the amperage data on the specifications page the serial tag your local code or the National Electrical Code to be sure the unit is connected to the proper power source A protected circuit of the correct voltage and amperage must be run for connection of the line cord or permanent connection to the unit A 1 8 m long grounded supply cord and plug are provided with standard units Simply plug the unit in to begin operation The thermostat must be turned to OFF and the unit disconnected from the power source whenever DANGER Performing service maintenance functions or cleaning the refrigerated area Stacked 400 series electrical connection Models 406 and 407 may
13. ly food product is found blocking drain lines causing water to back up and overflow the drain pans Delfield Service Alert During normal operation the evaporator fan may cycle and or pulse independently of the compressor Consult the service manual or contact Technical Support at 1 800 733 8829 if you are unsure of the proper function For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com 1 1 Compact Refrigerators and Freezers Service and Installation Manual Refrigerator Wiring Diagram 400 and 4000 Series 115V 60Hz 1 L1 Black G N NEMA 5 15P Supply Cord amp L Plug Furnished White Evaporator Fan O LO w Temperature Control Condensing KE Unit Refrigerator Replacement Parts List 402 406 406CA 7T4048 UC4048 Part Description Part Description 3234025 3 Caster brake 3234025 3 Caster brake 3234024 3 Caster no brake 3234024 3 Caster no brake 3234160 5 Caster no brake 3234160 5 Caster no brake 3234161 5 Caster brake 3234161 5 Caster brake 3234791 6 Leg 3234791 6 Leg 000 B3I 0031 27 Door left hand 000 B3l 0035 24 Door left hand 000 B3I 0030 27 Door right hand 000 B3l 0034 24 Door right hand 0074057 Capillary tube 044 id x 144 0074057 Capillary tube 044 id x 144 3526997 Compressor 3526997 Compressor 3516446 Compressor relay 3516446 Compressor relay 2194787 C
14. nt is not damaged while being moved into the building 1 Delfield Visually inspect the exterior of the package and skid or container Any damage should be noted and reported to the delivering carrier immediately If damaged open and inspect the contents with the carrier In the event that the exterior is not damaged yet upon Opening there is concealed damage to the equipment notify the carrier Notification should be made verbally as well as in written form Compact Refrigerators and Freezers Service and Installation Manual Request an inspection by the shipping company of the damaged equipment This should be done within 10 days from receipt of the equipment Check the lower portion of the unit to be sure legs or casters are not bent Be sure to check the compressor compartment housing and visually inspect the refrigeration package Be sure lines are secure and base is still intact Freight carriers can supply the necessary damage forms upon request Retain all crating material until an inspection has been made or waived For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com 3 Compact Refrigerators and Freezers Service and Installation Manual Serial Number Location The serial number on 400 series compact refrigerators and freezers is printed on the right side of the interior back wall The serial tag on 4000 series compact refrigerators and freezers is located either
15. of 15 00 lb or 1 00 oz will be reimbursed 9 E lt Delfield 1 4 For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com e 1e Compact Refrigerators and Freezers Service and Installation Manual as J Delfield e 1e For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com 1 5 Delfield Mt Pleasant MI Covington TN Thank you for choosing Delfield Help is a phone call away Help our team of professional courteous customer service reps by having your model number and serial number available at the time of your call 800 733 8829 N For a list of Delfield s authorized parts depots visit our website at www delfield com Cantowoc Register your Delfield warranty online Go to www delfield com STAR under the service tab to complete SERVICE AND PARTS lt Delfield 980 S Isabella Rd Mt Pleasant MI 48858 U S A e 989 773 7981 or 800 733 8829 Fax 989 773 3210 e www delfield com Delfield reserves the right to make changes in design or oes Ss aon prior notice 2013 The Delfield Company All rights reserved Printed in the U S A DM400_4000 04 13 9294045
16. oil 2162715 Condenser fan motor 3516172 Condenser fan blade clear lexan 2194774 Defrost heater 3516173 Condenser fan guard 3516156 Defrost timer 2162715 Condenser fan motor 1702622 Door gasket 2194774 Defrost heater 3516418 Evaporator coil 1702623 Door gasket 3517356 Evaporator fan blade black 3516418 Evaporator Coil 3516173 Evaporator fan guard 3516172 Evaporator fan blade clear lexan 2162715 Evaporator fan motor 3516173 Evaporator fan guard 3516321 Filter drier 2162691 Evaporator fan motor 3978055 Heater guard 18 3516321 Filter Drier 0420067 Hinge kit left or right hinged 3978055 Heater guard 18 3978272 Shelf 0420067 Hinge kit left or right hinged 3517400 Thermostat Mechanical Freezer 3978271 Shelf 3235014 Shelf clip 2194817KT Temp control kit electronic w sensors 9294472 Wiring Diagram as J Delfield e 1e For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com 1 3 Compact Refrigerators and Freezers Service and Installation Manual Standard Labor Guidelines To Repair Or Replace Parts On Delfield Equipment Advice and recommendations given by Delfield Service Technicians do not constitute or guarantee any special coverage e A maximum of 1 hour is allowed to diagnose a defective component e A maximum of 1 hour is allowed for retrieval of parts not in stock e A maximum travel distance of 100 miles round trip and 2 hours will be reimbursed s Overtime installation start u
17. ompressor start capacitor 2194787 Compressor start capacitor 158 ATA 0050 149 AWM 0040 3516275 3516172 2162691 1702623 3516116 3516172 2162691 3516321 3237569 3237563 3237516 3237568 3237562 0420067 3978271 3235014 2194759KT 2194761 Condensate coil hot gas Condensate pan Condenser coil Condenser fan blade clear lexan Condenser fan motor Door gasket Evaporator coil Evaporator fan blade clear lexan Evaporator fan motor Filter drier Hinge Btm LT McDonalds Hinge Btm RT McDonalds Hinge Cartridge McDonalds Hinge Top LT McDonalds Hinge Top RT McDonalds Hinge kit left or right hinged Shelf Shelf clip Temp control control knob and dial plate Temperature control knob 158 ATA 0050 Condensate coil hot gas 149 AWM 0040 Condensate pan 3516275 Condenser coil 3516172 Condenser fan blade clear lexan 3516173 Condenser fan guard 2162691 Condenser fan motor 1702622 Door gasket 3516116 Evaporator coil 3516172 Evaporator fan blade clear lexan 3516173 Evaporator fan guard 2162691 Evaporator fan motor 3516321 Filter drier 0420067 Hinge kit left or right hinged 3978272 Shelf 2194759KT Temp control control knob and dial plate 2194761 Temperature control knob 9 e Delfield 1 2 For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com e 1e Compact Refrigerators and Freezers Service and Installation Manual Freezer Wiring Diagrams 400 and 4100 Seri
18. onding cabinet holes a ae 0 94 o o o o o 6 o o o o o o 3 40 2 82 O O NOTE NOTE NOTE If hole pattern on caster leg If hole pattern on caster leg matches If hole pattern on caster leg matches matches the one above mount in the one above mount in middle set the one above mount in inner set of outer set of holes of holes holes 6 Leg 3234569 3 Caster 3234024 2 Caster 3234148 5 Caster 3234161 6 Leg 3234791 as J Delfield e 1e For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com 7 Compact Refrigerators and Freezers Service and Installation Manual Refrigerator Temperature Control Operation After the unit is connected to power it will automatically begin Operating With the doors closed the temperature of the cabinet should reach 36 F to 40 F 2 C to 4 C on refrigerators in about one hour A thermostat located in the evaporator housing on interior rear of the unit controls the temperature in the box The factory setting for the control is 4 and maintains about 38 F 3 C in the box Set toward 1 for higher temperatures and toward 7 for lower temperatures Continuous opening and closing of the doors will hamper the unit s ability to maintain optimum refrigeration temperature Refrigerators defrost automatically with every cycle of the compressor The water generated is routed to a pan on the rear of t
19. p normal control adjustments general maintenance glass breakage freight damage and or correcting and end user installation error will not be reimbursed under warranty unless pre approved with a Service Work Authorization from Delfield You must submit the number with the service claim Labor Of 1 Hour Is Allowed To Replace s Thermostat s Contractor Relay e Infinite Switch e Transformer e Door Jam Switch e Evaporator Condenser Fan Motor and Blade e Solenoid Coil e Circulating Fan Motor and Blade e Hi limit Thermal Protector Switch e Microprocessor Control e Fan Delay Defrost Termination Switch e Water Level Sensor Probe e Compressor Start Components and Overload Protector e Door Hinges Locks and Gaskets e Defrost Timer e Condensate Element e Thermometer s Springs Lowerator e Gear Box Labor Of 2 Hours To Replace e Defrost Element e Heating Element e Locate Repair Leak Pressure Control Solenoid Valve Labor Of 3 Hours To Replace e EPR or CPR Valve e Condenser or Evaporator Coil e Expansion Valve Labor Of 4 Hours To Replace e Compressor This includes recovery of refrigerant and leak check 55 00 maximum reimbursement for refrigerant recovery includes recovery machine pump torch oil flux minor fittings solder brazing rod nitrogen or similar fees Refrigerants e R22 A maximum of 4 00 lb or 25 oz will be reimbursed e R134A A maximum of 5 00 lb or 31 oz will be reimbursed e R404A A maximum
20. r Off Evap Fan Evap Fan Off x X For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com 9 Compact Refrigerators and Freezers Service and Installation Manual The thermostat must be turned to OFF and the unit disconnected from the power source whenever performing service maintenance functions or cleaning the refrigerated area DANGER Refrigerators and Freezers The interior and exterior can be cleaned using soap and warm water If this isn t sufficient try ammonia and water or a nonabrasive liquid cleaner When cleaning the exterior always rub with the grain of the stainless steel to avoid marring the finish Do not use an abrasive cleaner because it will scratch the stainless steel and plastic and can damage the breaker strips and gaskets Cleaning the Condenser Coil The condenser coil requires regular cleaning recommended is every 90 days In some instances though you may find that there is a large amount of debris and dust or grease accumulated prior to the 90 day time frame In these cases the condenser coil should be cleaned every 30 days If the build up on the coil consists of only light dust and debris the condenser coil can be cleaned with a simple brush heavier dust build up may require a vacuum or even compressed air to blow through the condenser coil If heavy grease is present there are de greasing agents available for refrigeration
21. s While in this delay period the control initializes the control parameters and confirms that the temperature sensors and circuits are operational Service Alert During normal operation the evaporator fan may cycle and or pulse independently of the compressor Consult the service manual or contact Technical Support at 1 800 733 8829 if you are unsure of the proper function IMPORTANT NOTE REGARDING FREEZERS After initializing the control will immediately enter a DEFROST mode The compressor and condenser fan as well as the evaporator fan will remain off until initial defrost is complete This initial defrost cycle may take up to 15 minutes to complete at which time the freezing cycle will begin Whenever the freezer is plugged in and the control has completed initializing including the initial defrost cycle see above the electronic temperature control will cycle the compressor evaporator fan motor and condenser fan motor to maintain box temperature at the control setting Freezer Automatic Defrost The control also monitors compressor total running time and will enter a defrost cycle after total compressor running time is greater than 5 hours since the last defrost cycle OR if evaporator coil temperature drops below 34 F indicating excessive frost on the coil Freezer Manual Defrost If a manual defrost is desired simply unplug the unit for several seconds then plug unit back in This will cause the control to re ini
22. tialize and then enter a defrost cycle When the control enters the defrost mode whether manual or automatic it switches off the evaporator fan motor compressor and condenser fan motor and switches on the defrost heater to warm the evaporator coil and melt all frost accumulated during the previous refrigeration cycle The control will continue the defrost cycle for a MINIMUM of 8 minutes and a MAXIMUM of 30 minutes depending on the amount of frost accumulated on the evaporator coil After the defrost cycle is complete the control returns to a normal refrigeration cycle however the evaporator fan motor will not switch on for 2 minutes AFTER the compressor and condenser fan motor have begun operating Electronic Temperature Control Location amp Adjustment Never turn the knob more than 1 dial number and always allow 8 hours for temperature stabilization before making any additional adjustments The control is located in the control box at the rear of the unit see photo It is factory set at mid range to maintain about 3 F 18 C box temperature To adjust for colder temperatures turn the knob clockwise For warmer temperatures turn the knob counter clockwise Turn the knob fully counter clockwise to turn the refrigeration system off Evaporator Fan Operation 700 000 aS Delfield Cooling Cycle Compressor Off Evap Fan EvapFan Evap Fan Evap Fan On Off On Off On Defrost Cycle Compresso
23. to pull out of the frame which may damage both the doors and the door hinges In some cases this can require qualified service agents or maintenance personnel If it becomes necessary to adjust a door follow these instructions 1 Ifthe door needs lowering at the handle use a 5 16 wrench to loosen the hinge screws and install a spacer outside of the hinge see illustration 1 Tighten the screws 2 Ifthe door needs to be higher at the handle use a 5 16 wrench to loosen the hinge screws and install a spacer inside of the hinge see illustration 2 Tighten the screws Illustration 2 spacer inside Illustration 1 spacer outside Drain Maintenance Each unit has a drain located inside the unit which removes the condensation from the evaporator coil and evaporates it at an external condensate evaporator pan Each drain can become loose or disconnected from moving or bumping the drain If you notice excessive water accumulation on the inside of the unit be sure the drain tube is connected from the evaporator housing to the condensate evaporator drain pan If water is collected underneath the unit you may want to check the condensate evaporator drain tube to be sure it is still located inside the drain pan The leveling of the unit is important as the units are designed to drain properly when on a level surface if your floor is not level this can also cause drain problems Be sure all drain lines are free of obstructions typical
24. use and specifically for the condenser coils The condenser coil may require a spray with the de greasing agent and then blown through with compressed air Failure to maintain a clean condenser coil can initially cause high temperatures and excessive run times continuous operation with dirty or clogged condenser coils can result in compressor failures Neglecting the condenser coil cleaning procedures will void any warranties associated with the compressor or cost to replace the compressor Never use a high pressure water wash for this Cleaning procedure as water can damage the electrical components located near or at the CAUTION condenser coil In order to maintain proper refrigeration performance the condenser fins must be cleaned of dust dirt and grease regularly It is recommended that this be done at least every three months If conditions are such that the condenser is totally blocked in three months the frequency of cleaning should be increased Clean the condenser with a vacuum cleaner or stiff brush If extremely dirty a commercially available condenser cleaner may be required 1 0 For customer service call 800 733 8829 800 773 8821 Fax 989 773 3210 www delfield com Maintenance Stainless Steel Care and Cleaning To prevent discoloration or rust on stainless steel several important steps need to be taken First we need to understand the properties of stainless steel Stainless steel contains 70 80 iron which will
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