Hussmann DDSS-4MC Installation & Operation Manual Download

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P/N 0515957_M

iii

IMPORTANT

KEEP IN STORE FOR FUTURE REFERENCE

Quality that sets industry standards!

12999 St. Charles Rock Road • Bridgeton, MO 63044-2483

U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900

www.hussmann.com

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 pre-chilled products only.

Summary of Contents for DDSS-4MC

Page 1: ... MO 63044 2483 U S A DDSS 4MC Medium Temperature Self Contained Open Vertical Merchandisers Installation Operation Manual P N 0515957_M June 2018 IMPORTANT Keep in store for future reference DDSS 4MC Spanish 0531283 French 0531284 Æ ...

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Page 3: ...2483 U S Canada 1 800 922 1919 Mexico 01 800 890 2900 www hussmann com 2018 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 These merchandisers are designed for pre chilled products only ...

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Page 5: ...on 3 3 Connections 3 4 LED 3 4 KDE Plus Buttons 3 4 Setpoint 3 7 Sensor Location 3 8 Controls and Adjustments 3 10 Shelves 3 11 Load Limits 3 11 Stocking 3 11 Thermometer 3 12 Lighting 3 12 Night Cover 3 12 MAINTENANCE Care and Cleaning 4 1 Do NOT Use 4 1 Do 4 1 Removing Scratches from Bumper 4 2 Cleaning Under Fan Plenum 4 2 Cleaning Stainless Steel Surfaces 4 2 Cleaning Discharge Honeycomb 4 3 C...

Page 6: ... Added Warning Page 1 3 Cleaning Coils 4 3 Maintaining Fluorescent Lights 4 4 REVISION E FEBRUARY 2012 1 Updated Wiring Diagrams 2 Updated Mexico phone number REVISION D JANUARY 2012 1 Removed DDSS 4 Model 2 Added new part numbers 3 Revised refrigeration data 4 Added LED replacement Page 5 2 REVISION C MAY 2011 1 Revised Cross Section Shelf Length page A 4 REVISION B OCTOBER 2010 1 Added self cont...

Page 7: ...vided with the cor rect 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...

Page 8: ...ents Plan View Air Exhaust Air Exhaust Air Intake Air Intake Front Back This product may contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm This warning is the result 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 ...

Page 9: ...f 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 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 Remove the top of the cra...

Page 10: ...CASTERS The merchandiser is equipped with optional casters Use the brake to lock the merchandiser in place SEALING MERCHANDISER TO FLOOR If required by 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 varia tion there is in the floor from one end of the merchandiser to the other Sealing of ...

Page 11: ...f 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 disturbanc...

Page 12: ...e Back Top Are there any air disturbances external to the unit Heat and air registers fans and doors etc Start up unit record total unit amp draw after 5 minutes of operation Total unit amps Record compressor amp draw Amps Record anti sweat heater amp draw if applicable Amps N A Record voltage reading with unit running Volts Verify condenser and evaporator fans are working Is condenser air inlet o...

Page 13: ...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 Self contained models have factory installed power cords attached at the electrical box REFRIGERATION Self Contained Models Each self contained model is equipped with its own condensing unit and control panel located beneath the displ...

Page 14: ...ate air around the base to keep condensation from forming NOTE All lower base panels must be in place when the refrigerator is operating If not airflow from the condenser self contained will be directed over the evaporation pan and defrost water in the pan may overflow When brazing pipes be sure to use the insulation blanket shipped with the merchandiser to prevent damage to the metal merchandiser...

Page 15: ...grammed temperature b The Differential is the non adjustable pre programmed temperature c The Control is designed to read and display a cabinet temperature not a product temperature This cabinet temperature may reflect the re frigeration cycle of the Set Point and it s Dif ferential The most accurate temperature on a cabinets operation is to verify the product temperature Taking as an example a VR...

Page 16: ...atible with Unicard and Multi function key 2 SPECIFICATIONS TECHNICAL DATA Classification electronic automatic control not safety device for incorporation Mounting panel mounting Type of action 1 B Pollution class 2 Material class IIIa Overvoltage category II Nominal pulse voltage 2500V Temperature Use 5 55 C Storage 30 85 C Power supply SMPS 100 240Va 10 50 60 Hz Power consumption 5 5W max Fire r...

Page 17: ...utputs OUT1 1 SPST relay 2HP max 240Va OUT2 1 SPDT relay 1HP max 250Va OUT3 1 SPDT relay 8 4 A max 250Va OUT4 1 SPST relay 8 4 A max 250Va OC Open Collector Output OC 1 multifunctional output 12Vc 20mA MECHANICAL CHARACTERISTICS Dimensions 121x92 mm Terminals faston and screw for wires with cross section of 2 5mm2 TTL for Unicard Device Manager connection via DMI Usage Storage 10 90 RH non condens...

Page 18: ...tion 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 1...

Page 19: ...ermanently on Defrost active Blinking Activated manually or from Digital Input OFF otherwise 3 Fans Permanently on Fans active OFF otherwise 4 Reduced SET Economy Permanently on Energy Saving active Blinking Reduced setpoint active OFF otherwise 5 Alarm Permanently on alarm active Blinking Alarm acknowledged OFF otherwise 6 F readout Permanently on F setting dro 1 OFF otherwise 7 AUX Permanently o...

Page 20: ... 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 menus 4 set...

Page 21: ...ey 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 me...

Page 22: ... IDENTIFIED WITH SYMBOL 3 MATERIAL Error No reference 4 REF K OUT3 OUT2 OUT1 OUT4 RS 485 MODULE RTN400 SM OUT2 OUT3 OUT1 OUT4 LINE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 GND D GND D OC 12V TTL OPTIONAL SENSOR TEMP DEFROST ORANGE 12V D GND KEYB 15 cm MAX NEUTRO NEUTRO PB1 PB2 SENSOR TEMP AIR GREEN Green Air Sensor on Interior Liner 28 inches 2 inches Orange...

Page 23: ...omb Defrosts are time initiated and temperature terminated for self contained and remote including Koolgas models The defrost setting is factory set as shown above To ensure a thorough defrost defrost must be terminated by the temperature termination setting not by time CONTROLS and ADJUSTMENTS Refrigeration Controls Defrost Controls Model DDSS 4MC Product Application Discharge Air Temperature Def...

Page 24: ...or only lightly covered with frost and the merchandiser is within 10 F of its expected operating temperature Adjust the valve as Follows a Attach a probe to the suction line near the expansion valve bulb b Obtain a pressure reading from the factory installed Schraeder valve Convert the pres sure reading to a saturated temperature for the refrigerant Temperature b minus Temperature a is the superhe...

Page 25: ...he front and set the newest to the back Air discharge and return flues 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 accessory that could hamper air curtain performance Do not allow product to be placed outs...

Page 26: ...3 12 Start Up Operation P N 0515957_M U S Canada 1 800 922 1919 Mexico 01 800 890 2900 www hussmann com NOTES ...

Page 27: ...monia based cleaners on acrylic parts Solvent oil or acidic based cleaners on any interior surfaces Do not use high pressure water hoses Do 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 electrical power before cleaning Thoroughly...

Page 28: ...lways wipe rails dry after wetting Use alkaline chlorinated or non chlorine containing cleaners such as window cleaners and mild detergents Do not use cleaners containing salts as this may cause pitting and rusting of the stainless steel finish Do not use bleach SHUT FANS OFF DURING CLEANING PROCESS Do NOT use HOT water on Cold glass Surfaces This can cause the glass to shatter and could result in...

Page 29: ... 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 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 an...

Page 30: ...unit has returned to normal operating temperatures MAINTAINING FLUORESCENT LAMPS IF APPLICABLE Many of the self contained cases are equipped with LEDs For cases with fluorescent lamps follow these directions to ensure long lasting life of the lights Fluorescent lamps should not be allowed to run to failure If a re lamp schedule is not in place the tubes should be inspected for signs of degradation...

Page 31: ...0 Verify that motor is working and blade is turning in the correct direction 11 Close air gaps under fan plenum Warmer air moving into refrigerated air reduces effective cooling If the plenum does not rest against the case bottom without gaps apply foam tape to the bottom of the fan plenum to reduce improper air movement Use silicone sealant to close other gaps 12 Reinstall display pans Bring merc...

Page 32: ... located under the top sign REPLACING FLUORESCENT LAMPS OR LED FIXTURES The lamp is removed as shown in the image below The lamp twists out of its end cap The lamp can be replaced without removing the top panel Fluorescent lamps contain mercury vapor Mercury exposure at high levels can harm the brain heart kidneys lungs and immune system of people of all ages Do not break or puncture fluorescent l...

Page 33: ...3 in 1 rod at 732 F 389 C X Ergon Acid core at 455 F 235 C Technique 1 Locate Leak 2 REMOVE ALL PRESSURE 3 Brush area UNDER HEAT 4 Use PRESTOLITE TORCH ONLY Number 6 tip 5 Maintain separate set of stainless steel brushes and use only on aluminum 6 Tin surface around area 7 Brush tinned surface UNDER HEAT thoroughly filling the open pores around leak 8 Repair leak Let aluminum melt solder NOT the t...

Page 34: ...5 4 Service P N 0515957_M U S Canada 1 800 922 1919 Mexico 01 800 890 2900 www hussmann com ...

Page 35: ...65C 0524122 X Safe Net III Display F 65C 1H59052001 X Safe Net III Display Interface Cable 1M 0509783 X Safe Net III Control Harness 0513058 X Condensate pan heater relay SPDT NC 208V 0342599002 X Compressor Relay T92P7A22 240 1804241 X Power Switch 03S422 X Caster 35S088 X Honeycomb 29S866 X Power Cord NEMA 6 20P 1804385 X Fluorescent light Canopy F32T8 06S214 X Safety Shield for Fluorescent ligh...

Page 36: ...21 X Evaporator coil 26S138 X Distributor TYP 1 BA1016 01 17S579 X TXV FBSE 1 2 C 0515679 X Evaporator Fan Motor Motor 12W basket less blade 0523011 X Evaporator Fan Blade 014278002 X Condensate Pan DDSS4 MC Description Part Number Electric Condensate Pan Assy w heater ﬂoat switch 1H11037001 X Condensate Pan Heater 750w 1H07734001 X Float Switch 1804342 X Sheet Metal Replacement Parts Painted DDSS...

Page 37: ... Length Note Includes One Pair Ends 4ft 51 1295 Maximum O S dimension of case back to front 30 1 2 775 Note Includes bumper Waste Outlet RH end of case from outside of End Assembly 25 1 2 648 to center of waste outlet Electrical Outlets Drain Control Panel 4 in Minimum Clearance Refrigeration Outlet Evaporator Pan FRONT Condensing Unit DDSS 4MC ...

Page 38: ...e defrost at night while lights are off DDSS 4MC Condensing Unit hp 1 Condensing Unit Capacity 9992 Btu hr at std rating conditions DEFROST DATA Frequency hr 6 Offtime Failsafe minutes 40 Defrost Termination Temperature 45 F 7 2 C PHYSICAL DATA Refrigerant Charge DDSS 4MC 44 oz 1 248 kg Condensing Unit for Optional Self Contained Case 4 in Minimum Clearance FAN C O I L DDSS 4MC Dimensions shown as...

Page 39: ...1Ph 60Hz Standard Self Contained Compressor LRA 33 7 Compressor RLA 6 8 Minimum Circuit Ampacity Self Contained 230V 1Ph 60Hz Standard 10 85 230V 1Ph 60Hz Energy Efficient 10 67 Maximum Over Circuit Protection 208 230V Self Contained 20 Maximum Circuit Ampacity Remote 230V 1Ph 60Hz Standard 4 65 Maximum Over Circuit Protection 208 230V Remote 15 DDSS 4 DDSS4MC AHRI Total Display Area 1 Sq Ft Case ...

Page 40: ... LEVEL SWITCH T STAT LIMIT RELAY SWITCH S1 S2 BK BK 230 V 60HZ 1HP 0 1 2 6 4 8 POWER SUPPLY LED CAP END BL BL LED CAP END BL BL BK R BL W ELECTRIC BOX 0513061_K Y B Y R R 5 1 2 C S R BK W START CAPACITOR RUN CAPACITOR POTENTIAL RELAY BK R NEMA 6 20 P LAMP LAMP BL R R BL OPTIONAL 2 ROW OPTIONAL 2 ROW OPTIONAL W COMPRESSOR COM NO NC COM COM NO NO OVERLOAD BK OUT3 OUT2 OUT1 OUT4 RS 485 MODULE RTN400 ...

Page 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 ...

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

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