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P/N 2400204_H

2-5

HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.

Service Deli Merchandisers

DEFROST TERMINATION SWITCH

Merchandisers may use a defrost termination
switch, instead of an evaporator sensor to
terminate a defrost cycle. The defrost
termination switch is temperature activated
and senses the completion of defrost.

MANUAL DEFROST

Note:

This procedure initiates
a manual or forced
defrost.

IMPORTANT:

Return the control knob to its original setting
(Step 1) once the manual defrost has been ini-
tiated.

On

Off

Time

Off

On

Off

On

Com pressor

O ff Tim e If

Sensor Failed

Com pressor

O n Tim e If

Sensor Failed

Com pressor or

Refrigeration

Status

1

2

3 4 5

6

7

I

I

Warm

Cold

Rotate knob fully

counterclockwise

until it stops (full

2.

1

2

3 4 5

6

7

I

I

Warm

Cold

Note location of

knob setting

1.

1

2

3 4 5

6

7

I

I

Warm

Cold

3.After 10 seconds, but

before 20 seconds,

rotate knob fully

clockwise until it

stops (full cold position)

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Содержание NAV Series

Страница 1: ...dium Temperature Service Deli Self Contained Merchandisers Installation Operation Manual P N 2400204_H April 2017 IMPORTANT Keep in store for future reference Spanish 0531301 French 0531302 Æ MANUAL IO NAV NAVC SC ...

Страница 2: ......

Страница 3: ...es Rock Road Bridgeton MO 63044 2483 U S Canada 1 800 922 1919 Mexico 1 800 890 2900 www hussmann com 2017 Hussmann Corporation Merchandiser must operate for 24 hours before loading product Regularly check merchandiser temperatures Do not break the cold chain Keep products in cooler before loading into merchandiser ...

Страница 4: ......

Страница 5: ...h 2 5 Manual Defrost 2 5 Temperature Adjustment 2 6 Sequence of Operation 2 7 Safe NET Sensor Location 2 8 START UP OPERATION Start Up 3 1 Controls and Adjustments 3 1 Load Limits 3 2 Stocking 3 2 Maximum Shelf Weight Limits 3 3 Pencil Thermometer 3 4 MAINTENANCE Care and Cleaning 4 1 Cleaning Stainless Steel Surfaces 4 2 Cleaning Pencil Thermometer 4 2 Cleaning the Bottom Deck 4 3 Cleaning Coils ...

Страница 6: ...ON F Added Check Lists Page 1 7 Added Warning Page 1 3 Cleaning Coils 4 3 Maintaining Fluorescent Lights 4 4 Check Lists Page 4 6 REVISION E JANUARY 2011 1 Added Location Drawing Page 1 2 2 Added Light Switch Refrigeration Unit Access Page 1 4 3 Added Appendix A Technical Data vi ANSI Z535 5 DEFINITIONS DANGER Indicate s a hazardous situation which if not avoided will result in death or serious in...

Страница 7: ... with the correct parts SHIPPING DAMAGE All equipment should be thoroughly examined for shipping damage before and during unloading This equipment has been carefully inspected at our factory Any claim for loss or damage must be made to the carrier The carrier will provide any necessary inspection reports and or claim forms Apparent Loss or Damage If there is an obvious loss or damage it must be no...

Страница 8: ...t of the California State law known as the California Safe Drinking Water and Toxic Enforcement Act of 1986 which is commonly referred to as Proposition 65 This warning does not mean that Hussmann products will cause cancer or reproductive harm or is in violation of any product safety standards or requirements As clarified by the California State government Proposition 65 can be consid ered more o...

Страница 9: ...or damage to the merchandisers and serious personal injury could occur merchandisers are not structurally designed to support external loading such as the weight of a person Do not place heavy objects on the merchandiser SHIPPING SKID Each merchandiser is shipped on a skid to protect the merchandiser s base and to make positioning the case easier Do not remove the shipping skid until the merchandi...

Страница 10: ...ches for cleaning purposes An optional skirt kit can be provided to snap on the legs SERIAL PLATE LOCATION The serial plate is located in the top interior at the left side of the merchandiser It contains all pertinent information such as model serial number amperage rating refrigerant type and charge This information will be needed to maintain service or order parts for the merchandiser LIGHT SWIT...

Страница 11: ...local sanitary codes or if the customer desires merchandisers may be sealed to the floor using a vinyl cove base trim The size needed will depend on how much variation there is in the floor from one end of the merchandiser to the other Sealing of the lower front and rear panels on self contained models may hamper their removal for servicing or maintenance of the condensing unit NOTE Do not allow t...

Страница 12: ...n extension cord 6 Ensure that the proper electrical requirements for the equipment are supplied 7 Verify field electrical connections are tight 8 Verify all electrical wiring is secured and clear of any sharp edges or hot lines 9 Verify the condensate drain line is properly trapped and pitched 10 Verify all required clearances on the sides and back of unit 11 Verify there are no air disturbances ...

Страница 13: ...re the merchandiser is connected to any wall circuit use a voltmeter to check that the outlet is at 100 of the rated voltage The wall circuit must be dedicated for the merchandis er Failure to do so voids the warranty Do not use an extension cord Never plug in more than one merchandiser per electrical circuit Always use a dedicated circuit with the amperage stated on the unit Plug into an outlet d...

Страница 14: ...plugged or damaged it is best to replace the heat exchanger WASTE OUTLET For self contained models like NAV NAVC condensate waste from defrost drains into a condensate pan located beneath the merchandiser The condensate pan has a hot gas loop that evaporates waste Ensure the drain hose is properly trapped and the drain area is not clogged Ensure waste outlet cap is fitted securely in place Waste O...

Страница 15: ... clockwise for a colder setpoint The display shows the setpoint for a few seconds when changed then reverts to showing the sensed temperatures in the merchandiser The adjustment knob allows the user to select a pre configured cold setpoint warm setpoint or any setpoint within this range The adjust ment knob is also configured with Off On functionality to power off the controller The off position s...

Страница 16: ... occurs Flashing Temperature or Sensor Alarm LED E1 or E2 If the Temperature or Sensor Alarm LED red on the controller and display is flashing a temperature sensor has failed or sensor is disconnected The display shows E1 if the case sensor has failed or disconnected or E2 if the evaporator sensor has failed it is disconnected If the merchandiser sensor fails refrigeration will run continuously Tu...

Страница 17: ...ed defrost IMPORTANT Return the control knob to its original setting Step 1 once the manual defrost has been ini tiated On Off Time Off On Off On Com pr essor O f fTi m e I f SensorFai l ed Com pr essor O n Ti m e I f SensorFai l ed Com pr essoror Ref r i ger at i on St at us 1 2 3 4 5 6 7 I I Warm Cold Rot at e knob f ul l y count er cl ockwi se unt i li tst ops f ul l 2 1 2 3 4 5 6 7 I I Warm Co...

Страница 18: ...erchandiser settings turn the dial to warm and cold as shown above Output readings should be within one degree of the temperatures shown above The control has protective settings to prevent short cycling of the compressor A The compressor may run for up to 60 sec after Step 2 is completed Start the 10 sec count down for Step 3 once the display is blank B The defrost initiation may be delayed for u...

Страница 19: ...s initiated 1b If the case is cold as if it is turned off and then back on the defrost cycle will continue until the termination temperature is reached or the fail safe time has expired 2 The compressor will start 10 seconds after the power is applied 3 The compressor will run for 10 minutes Then defrost will be initiated 4 During defrost the display will show the temperature before defrost and it...

Страница 20: ...ww hussmann com Safe NET SENSOR LOCATION Yellow Defrost Sensor is centered between the wall and evaporator with adhesive patch and plastic belt The Black Ambient Sensor is inside the PVC tube between the evaporator and the roof drain assembly Yellow Defrost Sensor Black Ambient Sensor Detail A ...

Страница 21: ... removed d Turn on the electrical power power switch and start the merchandiser The merchandiser must pull down in temperature Allow merchandiser 24 hours to operate before loading product 1 The Safe NET III Controller controls refrigeration temperature This is factory installed in the control panel Adjust this control knob to maintain the discharge air temperature shown Measure discharge air temp...

Страница 22: ... of product during stocking is necessary to prevent product loss Always bring the oldest product to the front and set the newest to the back Air openings must remain open and free of obstruction at all times to provide proper refrigeration and air curtain performance Do not allow product packages signs etc to block these grilles Do not use non approved shelving baskets display racks or any accesso...

Страница 23: ...t load limits may cause damage to the shelf or shelves damage to the merchandiser damage to store products and potentially create a hazardous condition for customers and staff Exceeding the indicated maximum weight load limits constitutes misuse as described in the Hussmann Limited Warranty NAV C models have two standard shelves The top shelves are 13 inches wide and the bottom shelves are 16 inch...

Страница 24: ...RMOMETER NAV C models have pencil thermometers The thermometer is located at the top front center of the merchandiser s cabinet interior seen through front glass Temperature is displayed in Fahrenheit and Celsius degrees as a standard option The thermometer may be replaced if it becomes damaged Pencil Thermometer ...

Страница 25: ...d glass Ammonia based cleaners on acrylic parts Solvent oil or acidic based cleaners on any interior surfaces Do not use high pressure water hoses Do Disconnect electrical power before cleaning Remove the product and all loose debris to avoid clogging the waste outlet Store product in a refrigerated area such as a cooler Remove only as much product as can be taken to the cooler in a timely manner ...

Страница 26: ...hermometer 1 Remove the two screws securing the thermometer to its mounting bracket 2 Remove the plastic ends from the thermometer Then slide out the glass tube 3 Use non abrasive cleaning materials and a mild detergent to clean glass tube and thermometer cover 4 Replace thermometer Pencil Thermometer Do NOT use HOT water on Cold glass Surfaces This can cause the glass to shatter and could result ...

Страница 27: ...G COILS Condenser coils should be cleaned at least once per month Additional cleaning may be needed depending on the operational environ ment A dirty condenser blocks normal airflow through the coils Airflow blockage increases energy consump tion and reduces the merchandiser s ability to maintain operating temperature Unplug merchandiser before servicing Always wear gloves and protective eye wear ...

Страница 28: ...s from the evaporation pan Be sure to remove any dirt debris or liquids from the pan REMOVING SCRATCHES FROM BUMPER Most scratches and dings can be removed using the following procedure 1 Use steel wool to smooth out the surface area of the bumper 2 Clean area 3 Apply vinyl or car wax and polish surface for a smooth glossy finish 4 Make sure proper cleaning procedures are followed Lights and fans ...

Страница 29: ...unit Heat and air registers fans and doors etc x Check for water leaks x Clean evaporator coil s and fan blade s Do not use an acid base cleaner Rinse off any cleaner residue x Clean discharge air honeycombs or grilles Do not use an acid base cleaner Rinse off any cleaner residue x Clean condenser coil s and fan blade s Do not use an acid base Cleaner Rinse off any cleaner residue x Clean condensa...

Страница 30: ...4 6 Maintenance P N 2400204_H U S Canada 1 800 922 1919 Mexico 1 800 890 2900 www hussmann com Notes ...

Страница 31: ...l if allowed to sit in a non refrigerated area TROUBLESHOOTING GUIDE PROBLEM Compressor will not start no noise Compressor will not start cuts out on overload PROBABLE CAUSE 1 Power disconnected 2 Blown fuse or breaker 3 Defective or broken wiring 4 Defective overload 5 Defective temperature control 1 Low voltage 2 Defective compressor 3 Defective relay 4 Restriction pinched cap tube 5 Restriction...

Страница 32: ... Leak check replace drier evacuate and recharge 3 Move to cooler location or correct excessive heat source 4 Purge system evacuate and recharge 5 Compressor voltage must not be more than 5 below rating 1 Leak check replace drier evacuate and recharge 2 Decrease ambient temperature 3 Product past load line 1 Replace 2 Assure proper contact 3 Leak check replace drier evacuate and recharge TROUBLESHO...

Страница 33: ...X X Power Cord 0521094 X Power Cord 19S63612 X X GFCI Duplex Receptacle 0309655 X X X Fuse 3A 1801455 X X X Fuse Holder 1801456 X X X Wire Shelf White 16 X 47 1201558 X X X Wire Shelf Grey 16 X 47 7406929 X X X Wire Shelf White 13 X 47 1201559 X X X Wire Shelf Grey 13 X 47 7406928 X X X Wire Shelf White 16 X 23 5 1201560 X Wire Shelf Grey 16 X 23 5 7406931 X Wire Shelf White 13 X 23 5 1201561 X Wi...

Страница 34: ... Doors Solid Rear Door Exterior 7101316 X X Solid Rear Door Interior LH 7101317 X X X Solid Rear Door Interior RH 7101318 X Solid Rear Door Exterior Center 7101319 X Glass Rear Door Interior 7101326 X X X Glass Rear Door Exterior LH 7101327 X X Glass Rear Door Interior RH 7101328 X Glass Rear Door Exterior Center 7101329 X Sheel Metal Replacement Parts Front Louvered Access Panel 7408305 X Front L...

Страница 35: ...P N 2400204_H 5 5 HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A Service Deli Merchandisers Appendix A Technical Data A 3 NAV C 4 Plan View NAV C 6 Plan View Dimensions shown as inches and mm ...

Страница 36: ...5 6 Service P N 2400204_H U S Canada 1 800 922 1919 Mexico 1 800 890 2900 www hussmann com A 4 Appendix A Technical Data NAV C 8 Plan View NAV 8 Dimensions shown as inches and mm ...

Страница 37: ...C 4 2829 NAV C 6 2829 NAV C 8 3764 10º F evap and 110º F cond temperature DEFROST DATA Frequency hr NAV C 4 6 24 NAV C 8 24 Offtime Failsafe minutes NAV C 4 60 NAV C 6 60 Defrost Termination Time Terminated CO NDENSI NG UNI T EVAPO RATO R CO I L Dimensions shown as inches and mm Note This data is based on store temperature and humidity that does not exceed 80 F and 55 R H unless otherwise stated S...

Страница 38: ...rmine total merchandiser electrical load Lamps Provided Lamps Watts Total Watts NAV C 4 2 14 49 28 98 NAV C 6 2 19 32 38 64 NAV C 8 2 19 32 38 64 Condensing Unit 115V 1Ph 60Hz Standard NAV C 4 6 Compressor LRA 40 Compressor RLA 5 9 NAV C 8 Compressor LRA 68 Compressor RLA 6 8 Product Data NAV C 4 Refrigerator interior volume Cu Ft Case 22 78 ft3 case 654 34 liters case NAV C 6 Refrigerator interio...

Страница 39: ...HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A Service Deli Merchandisers Appendix A Technical Data A 7 Height includes leveling pods P 20P P 5 33 6 67 8 39 20 Wiring Diagram Shown on Next Page Color Code Shown Below ...

Страница 40: ...5 10 Service P N 2400204_H U S Canada 1 800 922 1919 Mexico 1 800 890 2900 www hussmann com A 8 Appendix A Wiring Diagram 0521228_C ...

Страница 41: ... information or other support contact your Hussmann representative Please include the model and serial number of the product Hussmann Corporation Corporate Headquarters Bridgeton Missouri U S A 63044 2483 01 October 2012 ...

Страница 42: ...Hussmann Corporation 12999 St Charles Rock Road Bridgeton MO 63044 2483 www hussmann com ...

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