Commercial Freezer Service Manual
Contents
1. 3 Ad gt 9 36 da0 5 _ 37 ET Ac Condenser alarm differential MENN 39 Ad 0 40 d _ 00 _ 41 JAC2 5 _ 42 ntc gt Condenser alarm delay Delay of condenser temperature alarm at start up Compressor stop for condenser alarm Kind of probe 5 1 2 1 FRONT PANEL COMMANDS SET To display target set point Select a parameter or confirm an operation in programming mode DEF To start a manual defrost UP To view the last alarm occurrence in programming mode it browses the parameter codes or increases the display value DOWN view the last alarm occurrence in programming mode it browses the parameter codes or decreases the display value KEY COMBINATION lt gt w To lock amp unlock the keyboard SET To enter in programming mode SET loreturnto the room temperature display 1 1 Function of LEDS LED MODE FUNCTION Compressor enabled sk Flashing Programming Phase flashing with 4 Anti short cycle delay enabled Flashing Programming Phase flashing with E Drip time in progress a ON Fans enabled Flashing Fans delay after defrost in progress A temperature alarm occurred 2 MAIN FUNCTIONS 2 1 HOW TO VIEW THE SET POINT SET 1 Push and immediately release the SET key the display will show the set point value 2 Push and immediately release the SET key or wait for 5 seconas to disp2. 28F No coos Jenn 1 St 2 a4 3 Lover limit of main set point n O P2P Evaporator probe presence OE Evaporator probe calibration PP Condenser probe presence PSF condenserprobefunction amp 03 Condenserprobecalibration Ods Outputs delay at startup O AC Minimum time interval between the deactivation and 7 co C Lo Probe displayed Defrost end temperature Time interval between defrost cycle Max defrost cycle time Displaying during defrost Compressor on time during probe failure Real temperature display delay at defrost end Start defrost delay Dripping time First defrost cycle after controller start up Defrost delay after fast freezing Fan operating mode during normal controller Fan activation delay at controller startup and after defrost F F d Fan stop temperature ALC Temperature alarms configuration ALU Max temperature alarm differential A HERE Ea 00 Au2 _ 0 10 300 dE M _ 4 _ 60 20 _ 0 i _ 2 0 on 54 _ re 90 Minimum temperature alarm differential o 5 _ 6 _ 8 _ 9 _ 10 _ A _ 13 _ 4 15 _ 16 _ 8 _ 19 _ 20 _ 2 _ 2 _ 24 _ 2 _ 2 _ 2 _ 209 _ 31 _ 3 _ 33 _ 3 _ Minimum or minimum temperature alarm delay Delay of temperature alarm at start up Condenser alarm temperature
3. CAUTION PLEASE SWITCH POWER OFF BEFORE SERVICING UNIT Commercial Freezer Service Manual SALAD SANDWICH PREP TABLE PUC28F Please read this manual completely before attempting to install or operate this equipment TABLE OF CONTENTS 1 FEATURE CHART 1 1 OUTSIDE DRAWING AND MEASUREMENT FOR PUC28F 2 WIRING DIAGRAM 2 1 FREEZER PUC28F 3 PARTS DETAILS 3 1 BOTTOM PANEL 3 2 REFRIGERATION COMPARTMENT 3 4 DOOR 3 5 COOLING COMPARTMENT 4 MAIN COMPONENTS 4 1 COMPRESSOR 4 2 COMPRESSOR RELAY 4 3 CONDENSER DRYER 4 4 CAPACITOR 4 5 EVAPORATOR FAN MOTOR 4 6 CONDENSER FAN MOTOR 4 7 EVAPORATOR DEFROST HEATER 4 8 LAMP 4 9 THERMOSTAT 5 ELECTRONIC CONTROLLER INSTRUCTION 5 1 REFRIGERATOR CONTROLLER 5 1 1 DIXELL PARAMETER FOR FREEZER 5 1 2 HOW TO USE THE CONTROLLER 6 REPLACEMENT OF MAIN COMPONENTS 6 1 FRONT PANEL PARTS 6 2 DOOR CHANGING 6 3 REFRIGERATION COMPARTMENT PARTS 6 4 CONDENSING UNIT 1 1 OUTSIDE DRAWING OF PUC28F 1 FEATURE CHART MN ten 2 FE e ae SO Zo a m L m ata ae EH Em dt E Pug KEENE SETE TET PO OUTSIDE DRAWING OF PUC28F 2 WIRING DIAGRAM 2 1 PUC28F SWITCH N ST PLUG THERMOSTAT DISPLAY Y EVAPORATOR FAN EVAP SENSOR ROOM SENSOR DEFROST HEATER TT THRMAL CUT
4. OFF im OVERLOAD PROTECTOR CURRENT RELAY 3 PARTS DETAILS 3 1 BOTTOM PANEL THERMOSTAT MAIN SWITCH 3 2 REFRIGERATION COMPARTMENT CYCLE ASSEMBLY CONDENSER FILTER DRIER CONDENSER FAN MOTOR ATER PAN COMPRESSOR DRAIN CONDENSER FAN MOTOR ASSEMBLY FAN COVER CONDENSER FAN MOTOR BLADE CONDENSER FAN MOTOR 3 3 DOOR Magnetic gasket can be replaced without any tools 4 COMPONENTS 4 1 COMPRESSOR MODEL Voltage Comp Model Part code 4 2 COMPRESSOR RELAY Voltage Relay Model 4 3 CONDENSER DRYER MODEL Refrigerant Spec Part code PUC28F Refrigerant R 404A 115V 60Hz TUC27F 07 PUC28F 115V 60Hz X PUC28F R 404A XH 9 25g GN1410TN 14 4 4 CAPACITOR MODEL Voltage Running Starting 4 5 EVAPORATOR FAN MOTOR MODEL Voltage Motor Model Part code PUC28F 115V 60Hz X 189 227uf PUC28F 115V 60Hz 1238 TUC27 31 4 6 CONDENSER FAN MOTOR MODEL PUC28F Voltage Motor TM BD03 04 C06 Part code 54F 09 4 7 EVAPORATOR DEFROST HEATER MODEL PUC28F Spec 500 Part code TUC27F 04 4 8 LAMP MODEL PUC28F Voltage 115V 60Hz Spec Part code gt 4 9 MODEL PUC28F Voltage 115 60Hz Model XR60C Part code 27 11 5 ELECTRONIC CONTROLLER INSTRUCTION 5 1 1 DIXELL XR60C PARAMETER FOR FREEZER PUC
5. lay the sensor value again 2 2 HOW TO CHANGE THE SET POINT 1 Push the SET key for more than 2 seconds to change the set point value 2 he value of the set point will be displayed and the 4 LED starts blinking 3 To change the set value push the or Y key within 105 4 To set new point value push the SET key again or wait 10s 2 3 HOW TO START A MANUAL DEFROST Pushthe key for more than 2 seconds and a manual defrost will start ie 2 4 HOW TO LOCK THE KEYBOARD f 1 Hold and YW keys for more than 3s 2 The POF message will be displayed and the keyboard will be locked At this point it will be possible only to see the set point or the MAX or Min temperature stored 3 If a key is pressed more than 3s the POF message will be displayed 3 2 5 HOW TO UNLOCK THE KEYBOARD Hold the and Y keys together for more than 35 till the POF message is displayed 3 ALARM SIGNALS HOW TO VIEW THE ALARM AND RESET THE RECORDED ALARM Room failure Compressor output according to par 1 Hold the or Y key to Con and When the signal IS hold Eandenser pral paka 2 e disi ge D Maximum temperature alarm Outputs unchanged again The rst message will start LA Minimumtemperalure alam Outputs unchanged 237 Dooropen Compressor and fans restart blinking and the normal temperature will be displayed again Output unchanged Seriou
6. s extemal alarm i1F bAL 6 REPLACEMENT OF COMPONENTS 6 1 BOTTOM PANEL PARTS 6 1 1 UNSCREW BOTH SIDES OF THE BOTTOM PANEL 6 1 2 PULL THE BOTTOM PANEL OUT 6 1 3 UNSCREW THE JUNCTION BOX 6 2 DOOR CHANGING 6 2 1 UNSCREW THE BOTTOM HINGE 6 2 2 PULL DOWN DOOR 6 2 3 CHANGE THE DOOR HINGE A PUT THE DOOR ON A FLAT LEVEL PULL OUT THE SPRING HINGE 6 3 REFRIGERATION COMPARTMENT PARTS 6 3 1 OPENING THE REFRIGERATION COMPARTMENT PLEASE TAKE ALL THE PANS OUT AND TAKE THE PAN SUPPORT OFF 6 3 5 CHANGE EVAPORATOR AND WATER A UNSCREW THE EVAPORATOR BEFORE CHANGING THE EVAPORATOR CUT OFF THE EVAPORATOR PIPE AND DISCONNECT THE WIRE TO THE SENSOR C UNSCREW THE SCREWS FOUND AT THE TOP OF THE EVAPORATOR AND DISCONNECT IT REPLACE THE EVAPORATOR REATTACH THE PIPE AND CONNECT THE SENSOR WIRES 6 4 CONDENSING UNIT 6 4 1 TAKE OFF THE BACK COVER 6 4 2 UNSCREW THE UNIT BOARD YOU PULL THE UNIT BOARD OUT FOR ANY REPAIRS OR CLEANING Ao CAREFUL OF ELECTRIC SHOCK A CAUTION MAKE SURE THE POWER SUPPLY IS CUT OFF BEFORE ANY SERVICE IS PERFORMED CAUTION CONDENSING UNIT MAY BE VERY HOT BE SURE IT IS COOL BEFORE ANY SERVICE IS PERFORMED
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