D Series Upright Freezers
Contents
1. DY Z series Upright Freezers u Door Merchandisers al lt Z lt x LLI U PLEASE READ THE MANUAL THOROUGHLY PRIOR TO EQUIPMENT SET UP OPERATION AND MAINTENANCE INSTALLATION e The refrigeration system operates most efficiently when installed in an area with cool dry air circulation e There must be at least 6 inches of clearance on both sides and the back of the cabinet e Select a location away from heat and moisture generating equipment such as stoves ovens etc e Avoid placing unit in direct sunlight e Be sure that the floor where you intend to install the unit is level and strong enough to bear the full weight of the unit and its contents e To minimize shock and fire hazards be sure that the unit is properly grounded For your safety and protection all units are equipped with a special three pronged grounding plug on the service cord PRECAUTIONS e To minimize shock and fire hazards be sure not to overload the outlet e To minimize electric shock and malfunction do not spray products near the unit e To minimize fire hazards do not use flammable spray products near the unit e After unplugging the unit wait at least 6 minutes before re connecting Compressor failure could occur if re connected before a 6 minute waiting period e Cautions for cleaning 1 Unplug the power cord before cleaning 2 Do not unplug plug in the power c2. button to confirm If it is correct parameter code El will be displayed when it is set to 00 the password will be cancelled e Pressber button to select sequentially from E2 E3 E4 E5 E6 F0 F C4 e Press A or fy button the value of parameter will be displayed and can be modified and stored Ifno more button is pressed within 10 seconds it will return to normal operation mode 8 The factory default resumption press F button for second and then press A button simultaneously f r 6 seconds the LED flashes all parameters will be resumed to factory defaults After 10 seconds it returns to normal operation mode gt Parameters Locking in normal operating press 7 button and hold for 10 seconds to lock the parameters if OFF is displayed orto unlock if ON is displayed Parameters can be displayed only and can not be modified if locked but the adjustment of the set temp is still active factory default is ON Function details t Temperature contro After turning on for delay time the compressor starts operating when cold room temperature set temp Hysteresis and will be off when cold room temperature set temp amer spele limit ae temp 45 F E Higher sepoi int limit Sex temp eer 20F Temp Hystere sis Emi es omeo eap 20 a0e F 0 eee KT Display during defrost s To protect the compressor it can not re start unless the time when the compressor stops every time is longer than the
3. delay nme Parameter E4 2 Defrost li defrosts and heats only ifthe temp of the evap sensor is less than the defrost terminauon temperature Parameter F3 After operating for a defrost interval time it will automatically enter the state of defrost If the temperature of evap sensor is lower than the defrost termination temp the defrost LED will turn on the heater will work the compressor and the evaporation fan will stop When the temp of the evap sensor exceeds the temp of defrost termination or the defrost duration ends it will exit the defrost states The heater will stop After dripping time F i1 will enter the normal state of refrigeration when cold room temperature gt set temp hysteresis the compressor operates When the duration of defrost is set to 00 the function of automatic defrost will be cancelled gt Display during defrost When setting the parameter F4 the room temp is locked during defrost and the last value before defrost is displayed When defrost ends normal display will be resumed afer 20 minutes delay of room temp display or cold room temperatuse lt set temperature 4 C The defrost LED flashes during the delay Fan control When parameter F 5 2 afler the first time turning on power the compressor starts after delay time parameter E4 the fan follow the compressor to start After the compressor stops for the first time the fan start is decided by parameter FY the fan starts when evaporator te
4. cking the air duct Check the temperature controller to confirm proper setting Make sure door closes properly Check to see if refrigerant charge is low Turn light switch off then on Check that bulb is properly seated Replace bulb if it has blown Confirm unit is on level surface Check minimum 6 wall clearance Check for loose parts or mounting Make sure tubing is free from contact to avoid tubing rattle Reduce the relative humidity in the area where the unit is installed Door gasket is not sealing properly Clean or replace gasket Model SF 104 Digital Temperature Controller ReneS Features of Function e Mini sized and integrated intelligent control and applicable to the compressor of one HP Temperature Display Temperature Control Manual automatic defrost by electric heater Evap Fan Control Value Storing Self Testing Parameter Locking Specifications Output of the outside sealed transformer AC12V one transformer matched with one temp controller 2 Temperature sensor NTC Double sensors for cold room temp amp defrost contro 2m L 3 Range of temperature displayed 45 1500 45 150F Accuracy E1C 2F 4 Range of set temperature 45 45T 45 120 F Factory default 10C L14T 5 Dimension 77 Length X 35 Width X 60 Depth mm Mounting hole dimension 7 Length 29 Width mm 6 Temperature of the operating environment gt 10 60 14 140 F Relative Humidity 20 90 4 Non c
5. mperature drops to fan start temperature Dunng defrousting the fan stops working After defrost dripping time the fan start mode is decided by parameter F7 5 High low temperature overrun alarm After the first time tuning off the compressor when cold room temperature ts higher than C2 parameter set value after alarm delay time parameter C4 the cold room temperature will be display and flash the beater is disconnected the compressor will start When cold room temperature is lower than C3 parameter set value after alarm delay time parameter C4 the cold room temperature will be displayed and flash The defrosting heater works according to defrostng mode At the same time the buzzer will sound the sound can be cancelled by pressing random key When parameter C2 OF F high temperature alarm function will be cancelled when perameter C3 OFF low alarm function will be cancelled Abnormal work mode When room sensor is short circuited or overheated more than 50C 150 TT HH is displayed when room sensor is open circuited or temperature is too low less than 45 C 45T LL is displayed At that tume the compressor works automatically by the cycle of 45 minutes on and 15 minutes off When evap sensor fails or exceeds the displayed range the defrost termination will be just controlled by the defrost duration Parameter F1 7 Circuit Diagram 20A BA 40A 250VAC En on z
6. ondenging 7 Output contact capacity a Compressor N O 20A 250VAC apphicable ta HP compressor if more it needs to connect an AC contactor Defrost N O 10A 250VAC applicable to IKW load if more it aeeds to connect an AC contactor s Evap Fan N O SA 750VAC Front Panel Operation 1 Set temperature e Press BE button the set temperature is displayed Press Alor F button again to modify and store the displayed value Press fei button to exit the adjustment and display the cold room temperature e If no more button is pressed within 10 seconds the cold room temperature will be displayed 2 Manual start stop defrost Press el button and hold for 6 seconds to defrost or stop defrost 3 Display the evap temperature Press A button and hold 6 for senconds the evap temp is display after 10 seconds the cold room temp is resumed to be displayed 4 Refrigerating LED During refrigerating the LED is on when the cold room temp ts constant the LED is off during the delay the LED flashes 5 Defrost LED during defrosting the LED is on when it stops defrosting the LED is off 6 Evap Fan LED the LEDs on during fan operation The LED is off when the Evap fan stops operation 7 Parameters setup Press ay button for 6 seconds to enter parameter setting al the same time PAS will be displayed and flash press A or fy to enter a tens digit and press Ber bution to confirm and then press A orfy w enter a single digit and press eq
7. ord with wet hands 3 Do not use abrasive cleaners solvents or polishing agents on plastic parts Doing so might cause cracking or discoloration e When unit is not in use unplug the power cord and wipe down the interior with a dry cloth You may chose to leave the door open slightly to avoid moisture build up and odor OPERATION AND MAINTENANCE e When loading the unit be careful not to block the air duct located at the back and the fan on the ceiling of the unit with product Blocking the airflow may cause a decrease in performance For best performance maintain at least 4 inches of clearance between product and the air duct e Install the shelves packaged with your unit to fit your product height e The temperature controller is located at the right front corner of the ceiling Default temperature setting is on number 4 e Do not leave door open for very long For the most efficient operation close the door immediately after use TROUBLESHOOTING GUIDE SYMPTOMS SOLUTIONS Compressor will not start Poor performance No interior light Noisy unit Condensation on walls and floor Check if the power cord has been plugged in Check for blown fuse or circuit Move unit from direct sunlight and avoid installing heating devices nearby Install the unit in a well ventilated place with a minimum 6 clearance at the back Check the condenser and clean if there is heavy dust build up Check to see if product is blo
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