Skope SC112N-AC Service Manual

Skope SC112N-AC Service Manual

Four glass sided chiller
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SC112N-AC
Four Glass Sided Chiller
Type: HSC112NA/Z157

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Summary of Contents for Skope SC112N-AC

  • Page 1 SC112N-AC Four Glass Sided Chiller Type: HSC112NA/Z157...
  • Page 2 E-mail: skope@skope.com Website: www.skope.com Trademark Infringement The SKOPE trademark on this product is infringed if the owner, for the time being, does any of the following: • Applies the trade mark to the product after its state, condition, get-up or packaging has been altered in any manner •...
  • Page 3: Table Of Contents

    SC112N-AC ........
  • Page 4 5 Wiring Model: SC112N-AC ........33 Notes.
  • Page 5: Servicing Hydrocarbon

    Special service requirements are needed as R600a is a flammable refrigerant. Safety hazards The main R600a safety hazards are: • Flammable refrigerant. • Venting of R600a and compressor oil. • Asphyxiation. SKOPE does NOT recommend performing hazardous activities on the refrigeration system. Servicing Hydrocarbon Service Manual...
  • Page 6: Specifications

    SC112N-AC 2 Specifications SC112N-AC Description: Four Glass Sided Fridge Type: HSC112NA/Z157 Table 1: SC112N-AC specifications Dimensions External Internal 1165 to 1180 mm 725 mm Height 470 mm 382.6 mm Width 470 mm 369.5 mm Depth Floor area 0.22 m Refrigeration system...
  • Page 7: Electronic Controller

    3 Electronic Controller Electronic Controller Operations Overview The SC112N-AC fridge is fitted with a CAREL ECOBOX electronic controller. The electronic controller is visible on the front panel and is housed inside the controller box at the front of the refrigeration system.
  • Page 8: Faceplate

    SC112N-AC Faceplate Because the electronic controller plays such an important role, it’s helpful to know the parts of the faceplate you may use. Figure 2: Electronic controller faceplate Table 2: Controller faceplate Item Description Alarm Mute (up): Mutes the audible alarm buzzer.
  • Page 9: Running The Fridge

    SC112N-AC Running the Fridge Operating The electronic controller will automatically switch the fridge between Day Modes and Night modes depending on use, and into Cold Climate Protection (CCP) mode if necessary (see “Cold Climate Protection (CCP)” on page 10). If the front door (on the electronic controller side) is not opened for four hours, the fridge will automatically enter Night mode and the sign and interior lights will switch off.
  • Page 10: Messages And Alarms

    SC112N-AC Messages and Alarms Controller The following table explains messages that the electronic controller Display displays, and related alarms. Alarms signal unexpected operational changes in the fridge and can be muted by pressing the Alarm Mute (up) button on the electronic controller faceplate (see page 8).
  • Page 11: Programming The Electronic Controller

    SC112N-AC Programming the Electronic Controller Parameters The parameter configuration program is set by SKOPE at the factory. A label on the controller box indicates the parameter configuration program number (e.g. the SC112N-AC fridge uses program 089). The electronic controller parameters can be modified using the keypad.
  • Page 12: Parameter List - Sc112N-Ac Program 089

    SC112N-AC Parameter list – SC112N-AC program 089 Electronic Controller Parameter Sheet Revision No. 032 - B600F-3 (CO2) #N/A SC112A-AC Application Full List ECOBox EVO Controller Type SET0 PZHBC0H00VK (Rev 1.422) Controller Model & Revision ELZ10900 SKOPE Part Number CPS1014-036-SET0 Last Revised on:...
  • Page 13 SC112N-AC Electronic Controller Service Manual...
  • Page 14: Replacement Procedures

    SC112N-AC 4 Replacement Procedures Shelves Adjusting the The fridge is supplied with three wire shelves which may be positioned at Shelves different heights to suit various products. Each shelf is held in place with four shelf clips which engage in the corner shelf support strips.
  • Page 15: Lights

    SC112N-AC Lights The fridge is lit by four interior pillar lights, four top sign lights and two bottom sign lights. All lights are powered by a 12Vdc LED power supply located within the refrigeration system (see page 21). If one or several individual light/s fail on a light strip, the remaining lights will still receive power and should work.
  • Page 16: Top Sign Lights

    SC112N-AC Top Sign The fridge has four lit top signs, one on each side of the fridge. Each sign is Lights lit by one LED strip light (see page 36 for spare parts). Procedure 4: To replace a top sign light 1.
  • Page 17: Doors

    SC112N-AC Procedure 5: To replace a bottom sign light (continued) 4. Unplug and unclip the LED strip light, and remove from the fridge. 5. Fit the new light and plug it into the circuit. 6. Reassemble the cabinet and test for correct operation.
  • Page 18: Removing And Fitting Doors

    SC112N-AC Removing and For ease of servicing the doors can be removed from the fridge. Fitting Doors Procedure 6: To remove a door 1. Disconnect the fridge from the mains power supply by unplugging it from the wall socket. 2. Detach the top hinge from...
  • Page 19: Refrigeration System

    Ensure you have read and understood this manual before starting any servicing. Important • SKOPE hydrocarbon refrigeration systems must only be serviced by appropriately skilled and qualified refrigeration mechanics. • Servicing a sealed refrigeration system must occur at a hydrocarbon workshop or service area with dedicated hydrocarbon equipment and personal protective equipment (PPE).
  • Page 20: On-Site Work

    • Must be able to transport swap units. • Should carry minimum SKOPE hydrocarbon service parts. On-site Work The service technician must have required knowledge, skills, qualifications, and tools before beginning any on-site work on the refrigeration sealed system.
  • Page 21: Refrigeration Cartridge

    SC112N-AC The SC112N-AC refrigeration system is a bottom-mounted, electronically controlled serviceable system. It is made up of three levels, each containing specific parts and assemblies. Specifications for the refrigeration system are in the following table. Verify basic requirements before servicing.
  • Page 22: Refrigeration System Access

    SC112N-AC Refrigeration The following instructions explain how to access the refrigeration system. System Servicing can be completed by separating the top cabinet assembly from the Access bottom refrigeration system. Procedure 9: To access the refrigeration system 1. Disconnect the fridge from the mains power supply by unplugging it from the wall socket.
  • Page 23: Refrigeration System Dismantling

    SC112N-AC Procedure 9: To access the refrigeration system (continued) 8. Unplug the two plugs from the front of the cabinet (above the electronic controller). Fixing screw Fixing screw 9. Undo the top four screws from each refrigeration system pillar support...
  • Page 24 SC112N-AC Procedure 10: To dismantle the refrigeration system (continued) 3. Unclip and detach the control probe and cable from the evaporator shroud. 4. Detach the evaporator shroud by undoing the four fixing screws. Place aside. 5. Free all pipes and cables from the putty on the evaporator tray edge.
  • Page 25: Evaporator Fan

    SC112N-AC Procedure 10: To dismantle the refrigeration system (continued) 8. Detach the electrics tray from the assembly by undoing the eight fixing screws (two on each edge). 9. Tilt the electrics tray up and support with a block. You can now access the components on level one.
  • Page 26: Condenser Fan

    SC112N-AC Procedure 11: To replace the evaporator fan (continued) 5. Detach the failed evaporator fan from the evaporator shroud by undoing the four fixing screws. 6. Fit the new fan, ensuring the cables follow the original path. 7. Reassemble the cabinet and test for correct operation.
  • Page 27: Power Supply And Surge Protector

    SC112N-AC Power Supply The evaporator and condenser fan motor power supply, the sign and interior and Surge LED lights power supply, and the surge protector are located on level two Protector (the middle) of the refrigeration system. Parts within each power supply cannot be replaced individually.
  • Page 28: Compressor Electrics

    SC112N-AC Compressor The compressor electrics are located on the side of the compressor and Electrics include the start PTC (positive temperature coefficient) and motor protector. The complete assembly is supplied as a spare part if required. Figure 7: Compressor electrics...
  • Page 29 SC112N-AC Procedure 16: To access the electronic controller terminals 1. Disconnect the fridge from the mains power supply by unplugging it from the wall socket. 2. Remove the front lower bottom panel by undoing the three fixing screws and sliding down.
  • Page 30: Controller Terminals

    SC112N-AC Controller Refer to Figure 8 below for controller termination details. Terminals Door switch Black Evaporator probe Black Black White Control probe Blue Supply Brown Black Compressor Brown White Fans Figure 8: Controller Lights termination Control Probe The control probe is attached to a bracket on the evaporator shroud and plugs into the rear of the electronic controller.
  • Page 31: Evaporator Probe

    SC112N-AC Evaporator The evaporator probe is located inside the evaporator coil and plugs into the Probe rear of the electronic controller. Procedure 19: To replace the evaporator probe 1. Disconnect the fridge from the mains power supply by unplugging it from the wall socket.
  • Page 32: Door Switch

    SC112N-AC Door Switch The front door (electronic controller side) is fitted with a door switch. The switch is located under the liner bottom below the front door and is activated by a magnet at the bottom of the front door frame.
  • Page 33: Wiring

    SC112N-AC 5 Wiring Model: SC112N-AC GNYE Surge Protector Condenser Motor CAREL Controller Compressor Start Main Winding Winding Capacitor Relay Comp Motor Protector ACC Compressor AUX 1 12Vdc Power Supply All Cabinet AUX 2 Lighting Cabinet Temp. Probe Evaporator Evap Temp.
  • Page 34: Notes

    SC112N-AC Notes Wiring Service Manual...
  • Page 35: Spare Parts

    SC112N-AC 6 Spare Parts Cabinet Assembly Spare Parts Service Manual...
  • Page 36 SC112N-AC Table 6: Parts – Cabinet Item Description SKOPE part no. Customer part no. Glass door assembly HB0070807597 120076272 Top hinge HB0070109359 120076274 Side panel HB0070204927 120076275 Lower side panel HB0070204933 120076276 LED strip light (bottom sign) HB0071800053 Bottom sign panel (transparent)
  • Page 37: Refrigeration System Assembly

    SC112N-AC Refrigeration System Assembly 12 13 Spare Parts Service Manual...
  • Page 38 SC112N-AC Table 7: Parts – Refrigeration System Item Description SKOPE part no. CCA-AU part no. CCA-NZ part no. Evaporator fan motor HB0074001220 Evaporator tub HB0070509640 120081941 Condenser fan motor HB0074001214 Condenser fan blade HB0074000311 120076300 Fan motor 12Vdc power supply...
  • Page 39: Troubleshooting

    SC112N-AC 7 Troubleshooting Diagnostics For problems with the cabinet and refrigeration cartridge, refer to Table 8. Table 8: Cabinet and refrigeration cartridge troubleshooting Problem Possible cause Suggestions • Fridge not operating • Loss of power supply. • Check the mains power supply.
  • Page 40 SKOPE Industries Limited ABN: 73 374 418 306 AU: 1800 121 535 NZ: 0800 947 5673 skope@skope.com www.skope.com...

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Hsc112na/z157

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