COMMERCIAL REACH-IN REFRIGERATOR & FREEZER SERVICE MANUAL FOR USE BY QUALIFIED SERVICE TECHNICIANS REACH-IN MODELS: A Series: 178A19FHC 178A19RHC 178A23FHC 178A23RHC 178A49FHC 178A49RHC SS Series: 178SS1F2HC 178SS1FHC 178SS1R2HC 178SS1RGHC 178SS1RHC 178SS2F4HC 178SS2FHC 178SS2R4HC 178SS2RGHC 178SS2RHC 178SS3FHC 178SS3RHC
Warning DANGER - RISK OF FIRE OR EXPLOSION. FLAMMABLE REFRIGERANT USED. TO BE REPAIRED ONLY BY TRAINED SERVICE PERSONNEL. DO NOT PUNCTURE REFRIGERANT TUBING. PELIGRO - RIESGO DE INCENDIO O EXPLOSION. REFRIGERANTE INFLAMABLE UTILIZADO. PARA SER REPARADO SOLAMENTE POR PERSONAL DE SERVICIO CALIFICADO. NO PINCHAR LA TUBER ÍA REFRIGERANTE. DANGER - RISQUE DE FEU OU D'EXPLOSION. LE FRIGORIGÈNE EST INFLAMMABLE. CONFIER LES RÉPARATIONS À UN TECHNICIEN SPÉCIALISÉ.
TABLE OF CONTENTS 1. EXPLODED VIEW AND PARTS LIST 1.1 SS1HC series 1.2 SS2HC series 1.3 SS3HC series 1.4 A19HC & A23HC series 1.5 A49HC series 2. WIRING DIAGRAM 2.1 One door refrigerators: SS1RHC/SS1RGHC/A19RHC/A23RHC 2.2 One door freezers: SS1FHC/A19FHC/A23FHC 2.3 Two door refrigerators: SS2RHC/SS2RGHC/A49RHC 2.4 Two door freezers: SS2FHC/A49FHC 2.5 Three door refrigerator: SS3RHC 2.6 Three door freezer: SS3FHC 3. PART DETAIL 3.1 Control Panel 3.2 Door 3.3 Shelf, Shelf Rails & Bracket 3.4 Hinges 3.
1. EXPLODED VIEW AND PARTS LIST 1.
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2. WIRING DIAGRAMS 2.
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2.5 Three door refrigerator: SS3RHC 2.
3. PART DETAILS 3.1 Control Panel 3.2 Door 3.
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4. CONTROLLER INSTRUCTIONS 4.1 Refrigerator Controller Digital Controller Model: PZGX Display and Functions During normal operation, the controller displays the value of the probe set using parameter/4(= 1 ambient probe, default, = 2 second probe, =3 third probe). In addition, the display has LEDS that indicate the activation of the control functions (see Table 1). The three controller buttons can be used to activate/deactivate various functions (see Table 2).
Additional Controller Instructions Setting the set point (desired temperature value) 1. Press SET for 1 second, the set temperature will start flashing after a few moments; 2. To increase or decrese the temperarture, use the UP or DOWN button; 3. Press SET to confirm new temperature. Switching the device ON/OFF Press UP for more than 3 seconds. The control and defrost algorithms are now displayed and the instrument displays the message "OFF" alternating with the temperature read by the set probe.
4.2 Freezer Controller Digital Controller Model: IR33 Signals on the display The blinking status indicates a request for activation that cannot be implemented until the end of the corresponding delay times.
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5. MAIN PARTS - REPLACEMENT INSTRUCTIONS CAUTION!! Before beginning, see that the unit has been disconnected from the power supply (pull the power plug) and that the unit has had time to cool down. 5.1 Control Panel Components - Control Panel - Controller - Power Switch - Door Switch - Lock Assembly and Key A. Remove the screws located on the bottom of the control panel. B. Flip up the control panel and place it on top of the cabinet.
5.2 Door, Hinges, and Gaskets A. Disassemble the control panel as described above. B. Remove the screws located on each side of the front grill and remove. C. Remove the top hinge * Note: Make sure when removing the last screw that you are firmly holding onto the door. You can replace the top hinge and spring loaded hinge here.
D. Remove the bottom hinge. CAUTION!! When removing the hinges, the door should be supported by another person to avoid injury. E. Once the top and bottom hinges have been removed, you may remove the door and replace the top/bottom hinges, spring loaded hinge and door. F. To reassemble the door, reverse the order of instructions. Assemble the bottom hinge while lifting the door and then assemble the top hinge. G.
5.3 Field Reversible Doors (Solid One Door Models Only) Please note: It is recommended to have a second person when reversing doors. Parts Needed: • 178CFD1KITFR hinge kit (SS Series) which includes the following parts: ◦ Part# 178HINGCFDTL: Top Left Hinge Bracket ◦ Part# 178HINGCFDBL: Bottom Left Pivot Hinge • 178AKITFR hinge kit (A Series) which includes the following parts: ◦ Part# 178HINGATL: Top Left Hinge Bracket ◦ Part# 178HINGABL: Bottom Left Pivot Hinge A.
D. Place the spacer onto the bottom hinge and place the door onto the spacer. Once the door is on the bottom hinge correctly, close the door. E. Set the top hinge the same way you set the bottom. Once the hinge is set properly, install the top hinge on the left side. F. Once the top hinge has been installed, check the door for proper operation. If door is closing properly, move the left cover plate to the right side. G. Reassemble the control panel and front grill.
5.4 Refrigeration System - Compressor & Compressor Components - Condenser Coil - Condenser Fan Motor, Blade and Cover - Outer Drain Pan - Filter Drier A. Remove the screws located on both sides of the front grill and set the grill aside. B. Remove the screw used to mount the condensing unit's installation board. C. Slide out the condensing unit in order to replace and clean parts.
5.5 Cooling System - Evaporator Cover, Evaporator Coil, and Temperature Sensor - Evaporator Fan Motors and Fan Covers - Evaporator Drain Pan - Defrost Heater, Drain Pan Heater, Drain Line Heater and Defrost Sensor (Freezer Models Only) A. To replace the evaporator fan motor cover, remove the 4 screws and replace. B. To replace the evaporator cover and evaporator drain pan, remove the screws located on each side of the evaporator cover (left, right and front).
C. Evaporator components are as pictured: Refrigerator Models: Freezer Models: D. Remove the screws located on the fan motor installation board and the temperature sensor mount to replace the fan motors or temperature sensor. E. Remove the screws located on each side of the evaporator drain pan and disconnect the cable connectors to replace the evaporator drain pan, drain pan heater, and drain line heater.
F. Photo of the evaporator coil once the evaporator fan motor and drain pan have been removed. (Freezer Models Only) G. In order to replace the defrost heater and temperature sensor, the control panel must also be disassembled. Once disassembled, cue the metal pins used to mount the defrost heater. Disconnect the cable connector and replacethe defrost heater. Please note: You will want to re-mount the defrost heater after installation. (Freezer Models Only) H.
5.6 Other - Lamp Components - Power Cord, Back Grill, and AC Contactor - Shelf and Shelf Rail Components Lamp Components: A. Remove the screws used to mount the lamp components and replace. Power Cord, Back Grill, and AC Contactor: A. Remove the screws located on each side of the back grill. B. Remove the back grill and remove the screws used to mount the power cord connector and replace the power cord. CAUTION!! When replacing the power cord, make sure the unit is unplugged to prevent electrical shock.
C. Remove the screw used to mount the AC Contactor and replace. (Model SS3FHC Only) CAUTION!! When replacing the AC Contactor, make sure the unit is unplugged to prevent electrical shock. Shelf and Shelf Rail Components: A. Slide the shelf towards you in order to replace or clean the shelving. You will also need to remove the shelf in order to place a full-size food pan on the shelf rails. B. Replace and clean the shelf rails by pulling upward and out.
C. Lift up on the front bracket (channel) to replace or clean. (SS Series Only) D. Remove the screws used to mount the back component in order to replace the back bracket (channel). (SS Series Only) E. Assemble the bracket (channel) by lining up the screw with the mounting bracket and pushing down on the bracket (channel) until secure.
F. Install the shelf rails by lining up the clips on the rail with the holes on the bracket and pushing down.
6. CLEANING AND MAINTENANCE 6.1 Cleaning CAUTION!! Prior to cleaning, ensure the unit is unplugged. A. Clean the exterior and interior of the cabinet with a damp and soft cloth. Dry and polish the cabinet with a soft and dry cloth. ▪ recommends Noble Chemicals Excel Stainless Steel Cleaner/Metal Polish B. Use a vacuum cleaner and soft brush to carefully clean the surface of a dirty condenser coil. Tips for Cleaning: 1. Clean the interior and exterior regularly. 2.
6.2 Maintenance A. It is recommended that you clean the exterior, interior, and condenser coil on a monthly basis. B. Check the main power cord for damage regularly. Never operate the unit if the cord is damaged. C. In case of damage or malfunction, please contact our Customer Service Center at 1-800-678-5517. D. If the unit is not going to be used for long periods of time, unplug the unit and remove product. Clean and dry the unit thoroughly. E.