Hoshizaki FTW 177, Manual

Page 1: ...1 COMMERCIAL UNDERCOUNTER REFRIGERATOR FREEZER RTW FTW Date 22 08 2016 Rev No 0 DOC NO VDP SM 22 01 2016 ...

Page 2: ...dure to replace the Defrost Heater 17 10 Procedure to replace the Defrost Sensor 18 11 Procedure to replace the Appliance Sensor 19 12 Procedure to replace the Condenser Fan Motor 20 13 Procedure to replace the Carel Controller 21 14 Carel Controller Connections 21 15 Procedure to Replace the Door Switch 22 16 Procedure to replace the Door Gasket 23 17 Procedure to replace the Door Assembly 24 18 ...

Page 3: ...k area They may be injured by tools or disassembled products when there is no need to energize the unit during disassembly or cleaning be sure to unplug the unit or disconnect the main power supply before servicing the unit to prevent electric shocks If the unit must be energized for inspection of the electric circuit use rubber gloves to avoid contact with any live parts resulting in electric sho...

Page 4: ...r if necessary to prevent electric shocks 2 Always use service parts intended for the applicable models for replacement of defective parts Use proper tools to secure the wiring Otherwise abnormal operation or trouble may occur and cause electric shocks 3 Check for proper part installations wiring condition and soldered or soloderless terminal connections to avoid fire heat or electric shocks 4 Be ...

Page 5: ...ted food products This is mainly used in commercial establishment It operates at 230V 50Hz power input RTW 120 and RTW 150 are two door models and RTW 180 is four door model Both uses electronic temperature controller R134a as refrigerant CFC free insulation and are classified climatic class T 5 i e Ambient 40 C and 40 RH Nomenclature R Refrigerator T Undercounter W Made by Western Refrigeration F...

Page 6: ...ONS IN MM WITH LEGS RTW 120 FTW 120 1200 W x 750 D x 850 H RTW 150 FTW 150 1500 W x 750 D x 850 H RTW 180 FTW 180 1800 W x 750 D x 850 H RTW 126 FTW 126 1200 W x 600 D x 850 H RTW 156 FTW 156 1500 W x 600 D x 850 H RTW 127 FTW 127 1200 W x 700 D x 850 H RTW 177 FTW 177 1660 W x 700 D x 850 H ...

Page 7: ...the equipment s 3 Do not expose the unit to direct sun light or higher temperatures 4 Allow 50 mm clearance at front and back of the unit for smooth operation Also allow 100 mm clearance from the left side of the unit SET UP 1 Cut the vinyl shipping tape and remove the carton 2 Take out the accessory shelves shelf clips and legs Attach the shelf clips horizontally to the shelf posts Place the shel...

Page 8: ...e pallet tilt the unit sideways and screw in the two adjustable legs 4 Tilt the unit in opposite direction and screw the other two legs 5 Slide out the pallet form the unit 6 Level the freezer in both left and right front and rear sides ...

Page 9: ...Defrost system In compressor off cycle In compressor off cycle Compressor Tecumseh THK9414YJE 366 W Tecumseh THK9414YJE 366 W Condenser Forced Fin Tube Forced Fin Tube Evaporator Forced Fin Tube Forced Fin Tube Refrigerant R134a 260 gram R134a 260 gram Temperature control Electronic digital temperature indication adjust from 2 0 C to 12 C Electronic digital temperature indication adjust from 2 0 C...

Page 10: ...ion Defrost system In compressor off cycle In compressor off cycle Compressor Tecumseh THK9414YJE 366 W Tecumseh THK9414YJE 366 W Condenser Forced Fin Tube Forced Fin Tube Evaporator Forced Fin Tube Forced Fin Tube Refrigerant R134a 260 gram R134a 260 gram Temperature control Electronic digital temperature indication adjust from 2 0 C to 12 C Electronic digital temperature indication adjust from 2...

Page 11: ...ion Defrost system In compressor off cycle In compressor off cycle Compressor Tecumseh THK9417YJE 468 W Tecumseh THK9417YJE 468 W Condenser Forced Fin Tube Forced Fin Tube Evaporator Forced Fin Tube Forced Fin Tube Refrigerant R134a 300 gram R134a 300 gram Temperature control Electronic digital temperature indication adjust from 2 0 C to 12 C Electronic digital temperature indication adjust from 2...

Page 12: ...m Forced Air circulation Forced Air circulation Defrost system Heater defrost Heater defrost Compressor Embraco NEK2150GK 616 W Embraco NEU2168GK 744 W Condenser Forced Fin Tube Forced Fin Tube Evaporator Forced Fin Tube Forced Fin Tube Refrigerant R404A 315 gram R404A 300 gram Temperature control Electronic digital temperature indication adjust from 7 C to 23 C Electronic digital temperature indi...

Page 13: ...ter unscrewing the six screws open the Panel unscrew the Sensor screw as shown in figure Unscrew the six screws M5 TAPTITE fitted to the panel remove Fan socket as shown in figure STEP 3 Remove side panel Pull the Sensor from Evaporator pipe as shown in figure ...

Page 14: ...STEP 4 Remove Application Sensor socket white colour from Control panel For fix the Application sensor make reverse steps as shown in figure STEP 1 Unscrew the six screws M5 TAPTITE fitted to the panel remove Fan socket as shown in figure ...

Page 15: ...or as shown in figure STEP 3 Remove side panel Pull the Sensor from Evaporator pipe as shown in figure STEP 4 Remove Defrost Sensor socket Blue colour from Control panel For fix the Defrost sensor make reverse steps as shown in figure ...

Page 16: ...set key for 1 sec the screen displays the Set and set temperature will flash Press up and down key to set the temperature Then press the set key to accept the new cabinet temperature setting PROCEDURE TO REPLACE CAREL CONTROLER STEP 1 STEP 2 STEP 3 Remove the power box assembly by unscrewing the two screws placed on either side to the leg control box As shown in figure Then unplug all the connecto...

Page 17: ...he side brackets connected on either sides as shown in figure Now the CAREL CONTROLER can be removed from the power box Replace it with new one and adopt the procedure vice versa to reassemble the power box RELAY BASE OMRON PYF08A E 2 POLE SOCKET CAREL CONTROLLER PJEZCOP000 TYCO 10A CIRCUIT BREAKER W28 XQ1A ...

Page 18: ...18 1 EVAPORATOR MOTOR 6 INPUT PHASE 2 NO CONNECTION 7 INPUT NUTRAL 8 9 10 DEFROST AND APPLIANCE SENSOR 3 DRAIN AND BODY HEATER 4 COMPRESSOR CAREL CONTROLER CONNECTIONS ...

Page 19: ...19 POWER BOX ASSY HFW 77 ...

Page 20: ...KET Remove the old gasket by pulling it from any of the four corner After that fix the gasket into the groove from any one of the four corners and then simply press looking that the gasket if fixed into the groove throughout the door ...

Page 21: ... the cabinet Step 2 Remove the top door by pulling it upwards as shown in figure Remove the bottom hinge by unscrewing the two screws fixed to the cabinet now you can remove the bottom door by pulling it upwards Step 3 Replace the new doors accordingly and assemble them by adopting the procedure reverse side STEP 1 ...

Page 22: ...ARAMETERS 1 d0 Type of defrost 0 heater 1 hot gas 2 heater by time 3 hot gas by time 4 heater by time with temp cont C 0 4 0 0 0 2 dI Interval between two defrost F 0 199 h min 8 4 3 dt End defrost temperature F 50 0 127 0 ºC ºF 4 0 4 0 4 dP Max of effective defrost duration F 1 199 min s 30 0 60 0 5 d4 Defrost when the instrument switch on 1 activated C 0 1 0 1 6 d5 Defrost delay on start up or f...

Page 23: ... defrost sensor failure if this error displays on the carel controller display need to change defrost sensor fitted in evaporator fins Ed defrost ended by timeout this error belongs to defrost timeout if the defrost cycle finish without reaching the required temperature then this alarm will displays in carel For all these type of errors the values are programmed before to the carel controller CARE...

Page 24: ... Open the Side Panel M4 screw 2NOS Front Panel M4 screw 2nos as shown in figure Open the condenser fan motor screw 3 nos as shown in figure step 2 STEP 2 STEP 3 Open the Condenser screw 2 nos Dryer screw 2 nos pull condenser outside as shown in figure ...

Page 25: ... FTW ONLY STEP 4 Open the Condenser Motor bracket screw 2 nos as shown in figure pull the motor outside then open the fan blade screw replace motor STEP 1 Open the suction duct panel 6 screw as shown in the picture SUCTION DUCT STEP 2 ...

Page 26: ...EPLACEMENT OF LED DRIVER LS4 MODEL Turn remove the glass tube heater replace heater REMOVE THE LED DRIVER TO THE UNIT WITH SCREW S3X12 2Qty STEP 1 STEP 2 FIX THE LED DRIVER TO THE UNIT WITH SCREW S3X12 2Qty ...

Page 27: ...28 Wiring Drawing ...

Page 28: ...29 ...

Page 29: ...30 Trouble Shooting ...

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Page 31: ...32 DISPOSAL ...

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