Hussmann microSC MDN-BA Скачать руководство пользователя страница 29 | Manualshive

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P/N 9FQ-6-P110-075-00_B

3-7

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

Open Vertical Merchandisers

－

32

－

Moisture
Wicking Plate #1

Condenser

Moisture
Wicking Plate #2

(located under wicking
plate #1)

Fan Motor

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Содержание microSC MDN-BA

Страница 1: ...irculated by the fans If propane gas is present or even suspected do not allow untrained personnel to attempt to ﬁnd the cause The propane gas used in the unit has no odor The lack of smell does not indicate a lack of escaped gas If a leak is detected immediately evacuate all persons from the store and contact the local ﬁre department to advise them that a propane leak has occurred Do not let any ...

Страница 2: ...rsonnel to attempt to find the cause The propane gas used in the unit has no odor The lack of smell does not indicate a lack of escaped gas If a leak is detected immediately evacuate all persons from the store and contact the local fire department to advise them that a pro pane leak has occurred Do not let any persons back into the store until the qualified service technician has arrived and that ...

Страница 3: ...s Do not break the cold chain Keep products in freezer before loading into merchandiser These merchandisers are designed for only pre frozen products ATTENTION 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 These merchandisers are designed for only pre chill...

Страница 4: ... Field Wiring 2 1 Electrical Connections 2 1 Electrical Outlet 2 1 Power Switch 2 1 Refrigeration Self Contained Models 2 2 Waste Outlet and Water Seal 2 2 Controls and Adjustments 2 3 Controller Operation 2 4 Controller Connections 2 5 Controller Buttons 2 6 Setpoint 2 7 Shelves 2 8 Stocking 2 8 Drain Water 2 8 Service Safety 2 10 Replacing Refrigeration System Componets 2 11 Steps to Recover Ref...

Страница 5: ...considered more of a right to know law than a pure product safety law When used as designed Hussmann believes that our products are not harmful We provide the Proposition 65 warning to stay in compliance with California State law It is your responsibility to provide accurate Proposition 65 warning labels to your customers when necessary For more information on Proposition 65 please visit the Calif...

Страница 6: ...ng 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 noted on the freight bill or express receipt and signed by the carrier s agent otherwise carrier may refuse claim Conceal...

Страница 7: ...rsely affect performance and may damage the refrigeration system If the merchandiser is used or stored in a hot spring or coastal area it may be damaged due to sulfur or salt If the intention is to install the merchandiser in any of the above areas or locations contact the supplier or dealer where you purchased the merchandiser Do not lay the case sideways to move the case This may cause damage Ca...

Страница 8: ...e adjusted to match the size of the product stored Model MDN4775BA SA shown Tag molding Deck pan Front panel Hussmann logo Lamp switch Controller Main Switch Overflow drain pan KDEPLUS BUTTONS The KDEPlus keyboard has 4 keys as shown in the illustration 1 2 3 4 Each key has a different function depending on whether it is Pressed and released Pressed for at least 5 seconds Pressed and held at start...

Страница 9: ...o not block this outlet with product or the merchandiser will not cool properly Return air inlet Do not block this inlet with product or the merchandiser will not cool properly Caster Condensing unit Overflow drain pan Night Curtain hook Optional Handrail Condenser fan Evaporator fan Single phase 208V power cord NEMA L6 20P Air inlet Do not block this inlet or the merchandiser will not cool proper...

Страница 10: ...erial number amperage rating refrigerant type and charge EXTERIOR LOADING Do NOT walk on top of merchandisers or damage to the merchandisers and serious personal injury could occur Merchandisers are not structurally designed to support excessive external loading such as the weight of a person Do not place heavy objects or flammable materials on the merchandiser SHIPPING SKID Each merchandiser is s...

Страница 11: ... of an 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 disturba...

Страница 12: ...it must be dedicated for the merchandiser 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 designed for the plug Do not overload the circuit Do not use long or thin extension cords Never use adapters If in doubt call an electrician ...

Страница 13: ... be directed over the evaporator pan and defrost water in the pan may overflow Refrigeration lines are under pressure Refrigerant must be recovered before attempting any connection or repair When brazing pipes be sure to use an insulation blanket not shipped with the merchandiser to prevent damage to the metal merchandiser bottom LOCK OUT TAG OUT To avoid serious injury or death from electri cal s...

Страница 14: ...0 MDN4775BA SA MDN3575BA SA 25 F 27 F 4 C to 3 C 6 Off Time 45 F 7 C MDN4775BA SA MDN3575BA SA 6 Off Time 45 F 7 C 25 F 27 F 4 C to 3 C Update this table with the info described below We are adding the controller settings for each application 20 25 30 35 40 45 50 55 MDN4775BA SA NSF Type 2 Conditions Discharge Air Temperature ontroller settings Factory Setting Model Product Application Discharge A...

Страница 15: ...p orator fan s will start if the control is calling for cooling 3 The control will cycle the compressor but may also cycle evaporator fan s on and off determined by the Set Point and Differential temperatures a The Set Point is the adjustable preprogrammed temperature b The Differential is the non adjustable pre programmed temperature c The Control is designed to read and display a cabinet tempera...

Страница 16: ...ection to KDEPlus or KDWPlus external keyboard or ECPlus echo module 3 LINE These are power supply terminals 19 18 PB1 probe connection 4 OUT2 Shared Terminal 21 20 PB2 probe connection 5 N O OUT2 23 22 PB3 probe connection 6 N C OUT2 23 24 PB4 probe connection 7 OUT3 Shared Terminal 23 25 PB5 probe connection 8 N C OUT3 27 26 Digital input DI 9 N O OUT3 28 29 LINK2 Connection 1 local area network...

Страница 17: ...s through menu items Decreases values Activates the Manual Defrost function from outside menus 2 Scrolls through menu items Decreases values Function can be configured by the user from outside menus see parameter H32 3 Returns to the previous menu level Confirms parameter value Activates the Stand by function from outside menus 4 set Displays any alarms if active Opens Machine Status menu Confirms...

Страница 18: ... Key Action Pressed and released Press for at least 5 secs Start up 1 Scrolls through menu items Decreases values Activates the Manual Defrost function from outside menus 2 Scrolls through menu items Decreases values Function can be configured by the user from outside menus see parameter H32 3 Returns to the previous menu level Confirms parameter value Activates the Stand by function from outside ...

Страница 19: ...ust 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 the air inlet and air outlet Do not use unapproved shelving baskets dis play racks or any accessory that could hamper air curtain performance Contact your Hussmann representative for more information DRAIN WATER If the evaporation mechani...

Страница 20: ...propane equipment Failure to follow instructions can result in an explosion death injury and property damage If a leak is detected follow store safety procedures It is the store s responsibility to have a written safety procedure in place The safety procedure must comply with all applicable codes such as local ﬁre department s codes At minimum the following actions are required Immediately evacuat...

Страница 21: ... be used to charge the system The charge amount is shown on the serial plate Only R 290 grade refrigerant can be used Standard propane does not meet the purity moisture content of R 290 and therefore cannot be used to charge cases No gas charge adjustments are allowed When connecting hoses between the refrigeration system manifold gauges and refrigerant cylinder ensure that the connections are sec...

Страница 22: ...ervice ports If a Schrader valve is used on the compressor service tube it must be removed and the previous steps followed in order to braze the service tube shut WATER OUTLET AND WATER SEAL The condensate water outlet is located in the center of the merchandiser The outlet has a factory installed external water seal For self contained models this water seal drains into the condensate evaporator p...

Страница 23: ...Coarse paper towels on coated 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 Use 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 Disconnect e...

Страница 24: ...r details please contact Hussmann Customer Service WARNING g Or may cause electric power leakage and or electric shock Keep the product away from rainwater Empty the overflow drain pan completely when removed Contact a licensed service provider for disposal of the merchandiser er nt DO Installation relocation and nd Storage and disposal For details please contact Hussmann Customer Service Prohibit...

Страница 25: ...ord Do not place the power plug cord between heavy items Do not remove the plug from the power supply with a wet hand Do not hold the cord when removing the plug Do not use an extension cord or a multi plug connector Do not use a damaged or loose power plug cord Do not stress the power cord plug when placing the unit against a wall About the power plug cord In case of abnormalities or unit failure...

Страница 26: ...w blockage increases energy consumption and reduces the merchandiser s ability to maintain operating temperature To clean the coils use a vacuum cleaner with a wand attachment and a soft non metallic brush to remove dirt and debris Do not bend coil fins Always wear gloves and protective eye wear when cleaning near sharp coil fins and dust particles Shut Fans Off during cleaning process Do NOT use ...

Страница 27: ...comb down and out To secure the honeycomb push the entire honeycomb into the discharge air outlet beginning from the end position it horizontally and push the anchor tabs on the honeycomb removal fittings until they are aligned with the honeycomb engagement groove The honeycomb is at its optimum position when the groove and tab positions are aligned properly PP marke left rear Co Honeycomb removal...

Страница 28: ...r will reduce evaporation capacity The evaporation pan waste water will overflow and spill onto the floor if the heater is not properly operating Details of the evaporation system unit are shown on the next page CHANGING MOISTURE WICKING PLATES Wicking plates must be replaced at least once per year The expected life span of the mois ture wicking plates will differ in accordance with the installati...

Страница 29: ...9FQ 6 P110 075 00_B 3 7 HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A Open Vertical Merchandisers 32 Moisture Wicking Plate 1 Condenser Moisture Wicking Plate 2 located under wicking plate 1 Fan Motor ...

Страница 30: ...ours and during non business days to save energy To use the night curtain 1 Grasp the handle and pull downward Hook the handle over the night curtain hook located on the backside of handrail 2 Avoid the night curtain sheet touching the price tag molding or items placed inside the case Night Curtain Pull down Night Curtain Night Curtain hook Return air inlet Deck pan ...

Страница 31: ...ure Make sure not to store the unused case in a place where children can play Damage to the power cord or plug If the cord is damaged unplug the cord and contact your Hussmann representative for replacement Do not allow the the wheels of the merchandiser to rest on the cord Water on the floor If there is water around the merchandiser check overflowdrainpanunderneaththecase anddisposeof any accumul...

Страница 32: ...ess than 47 2 FPM 0 2 mps Refer to Page 1 1 for recommended operating ambient temperatures Move the location of the installation Refer to Location on page 1 1 and 1 2 Contact the supplier or dealer where you purchased the merchandiser or a licensed service provider The power supply is cut off The items are inserted without pre cooling The items close off the discharge air inlet or discharge air ou...

Страница 33: ... Unit Remove 2 screws of the front panel then the panel itself Disconnect the power cord Remove 8 screws in the area shown by in the figure Pull out the unit Unplug Remove 3 screws attached to the evaporation tray Marked with in the figure at right Step 1 DIRECT DRAIN The evaporation system can be modified for a direct floor drain Condensing Unit Cassette Display Case ...

Страница 34: ...ystem Tray Bracket Drain hose Remove upper moisture wicking plates Remove 6 screws from the 2 brackets that attach to the evaporation pipe Then remove evaporation tray assembly Do not remove the evaporation pipe Remove 4 screws that attach to the lower evaporation tray and lower moisture wicking plate Then remove the tray assembly and the moisture wicking plate Attach a drain hose to the socket on...

Страница 35: ...ts removed by the steps taken in a reverse order Then remove back guard from the rear side of merchandiser Pass the drain hose through the hole Make sure the back guard is mounted properly Handle the drain hose in a position lower than the evaporation trays If work in a position higher than the top of socket water leak may occur After this modification the drain hose may be hooked when pull out th...

Страница 36: ...6 P110 075 00_B U S Canada 1 800 922 1919 Mexico 01 800 890 2900 www hussmann com MDN Visual Depiction on Non Incendive Replacement Parts Main Switch Light Switch Sealed Relay ATEX Rated Control RTN400 Control Display KDE ...

Страница 37: ... 2 9 3082147 MOTOR 13W 70 264V NSC 2 10 4FL2422022600 EVAPORATOR 2 11 9FQ2460061400 COMPRESSOR NT2210U 208V R290 1HP 1 12 3117868A POWER SUPPLY 4A 24V 96W 1 13 3023537B CONTROL ELIWELL RTN400 1 14 3023554B SENSOR NTC 4 METER GREEN 1 15 3031571A SENSOR NTC 4 METER ORANGE 1 16 3023553D CONNECTOR 5 MTS CABLE CO000227 1 17 9FQ4F30002000 EMC FILTER RSEL2002A 1 18 9FQ4S20001900 RELAY DPDT 30ANO_10aNC 23...

Страница 38: ... 1 20 9FQ0423036300A FAN PACK CONNECTOR AS 1 21 9FQ0039012102 SHELF BLACK KIT ASSY 5 22 9FQ2224009302 INNER GLASS BLACK 1 23 9FQ2224009402 INNER GLASS BLACK 1 24 9FQ2140062402 PAINTED BLACK PAINTED EXTER TOP 1 25 9FQ2129060202 PAINTED BLACK EXTER COVER MDN L 1 26 9FQ2129060302 PAINTED BLACK EXTER COVER MDN R 1 27 9FQ0022030802 PAINTED BLACK DECK PAN ASSY MDN 45 1 28 9FQ2136048202 PAINTED BLACK EXT...

Страница 39: ... 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 40: ...Hussmann Corporation 12999 St Charles Rock Road Bridgeton MO 63044 2483 www hussmann com ...

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