5800 Refrigerated Sampler Service Guide - Isco

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5800 Refrigerated Sampler Service Guide Table of Contents 2-11 Optical disk and sensor removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 2-12 Removing pump motor assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2-13 Idler and drive gears . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2-14 Pump motor plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 2-15 Pump motor wiring harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 2-16 Pump rotor and hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 2-17 Proper installation of pump gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2-18 Improper installation of pump gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 2-19 Removing the detector protective barrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15 2-20 Cut a notch in the top cover for the AC line cord to pass through . . . . . . . . . . 2-16 2-21 Install heat shield inside cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 2-22 Install heater under pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 2-23 Install line cord clip just inside the notch in the cover . . . . . . . . . . . . . . . . . . . 2-18 2-24 Distributor arm (A) and discharge tube (B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19 2-25 Distributor module removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20 2-26 Removal of stepper motor and optical sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 2-27 Distributor assembly, exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 2-28 Distributor gasket replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23 2-29 Reassembling the distributor shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24 2-30 Improperly positioned timing belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24 2-31 Installing the cover plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25 2-32 Timing belt alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25 2-33 Installing the optical sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26 3-1 Control panel module removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3-2 Ferrite bead on temperature sensor cable connector end . . . . . . . . . . . . . . . . . . . 3-4 3-3 Removing evaporator temp sensor: Cut cable ties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 3-4 Removing rear wall sensor (Power supply plate not shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 3-5 Temperature sensor wiring entry at rear of cabinet . . . . . . . . . . . . . . . . . . . . . . . 3-6 3-6 Temperature verification with the 24-bottle rack . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 3-7 Temperature verification with the bottle locating base . . . . . . . . . . . . . . . . . . . . . 3-8 3-8 Refrigeration service ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 3-9 Piercing service port .312 O.D. tubing with a saddle tap tool . . . . . . . . . . . . . . . 3-11 3-10 Refrigerant dryer, before and after installation and coating . . . . . . . . . . . . . . . 3-13 3-11 Refrigeration module components (possible leak areas indicated by arrows) . 3-14 3-12 Protective coverings for suction line and service ports . . . . . . . . . . . . . . . . . . . 3-15 3-13 Terminal cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 3-14 Condenser fan connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 3-15 Removal/replacement of condenser fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 3-16 Cut cable tie to free power cord (Full power cord length not depicted) . . . . . . . 3-18 3-17 Removing 230V adaptor from AC power cord . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19 3-18 Remove power cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19 3-19 Electrical connections on 115V compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19 3-20 Electrical connections on 230V compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 3-21 Removing evaporator temp sensor (Cut cable ties) . . . . . . . . . . . . . . . . . . . . . . 3-20 3-22 Drain tube and drip pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21 4-1 Control panel module removal/replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 4-2 Control panel wiring connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 4-3 5800 battery backup module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 4-4 Remove adapter from power cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 4-5 Remove power cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 4-6 Electrical connections on 115V compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 4-7 Electrical connections on 230V compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 4-8 Control panel removal /replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 4-9 Cord grip fitting on refrigerator wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 4-10 Remove fan mounting screws and disconnect cable (view from inside refrigerator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 4-11 Power supply back plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 viii
5800 Refrigerated Sampler Service Guide Table of Contents 4-12 Fast-blow fuse on the new power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 4-13 Secure AC Power cord with bushing and cable tie (Full line cord length not depicted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21 4-14 230V line cord plug adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21 4-15 Remove power supply cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23 4-16 Line cord connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24 4-17 Removing the line cord from the mounting plate . . . . . . . . . . . . . . . . . . . . . . . . 4-24 5-1 Distributor arm (A), discharge tube (B), and stop (C) . . . . . . . . . . . . . . . . . . . . . . 5-4 5-2 Distributor arm positioning, discharge tube removed . . . . . . . . . . . . . . . . . . . . . . 5-5 A-1 Location of serial tag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 A-2 5800 wiring diagram - 115V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3 A-3 5800 wiring diagram - 230V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4 A-4 5800 CPU schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5 List of Tables 1-1 5800 Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1-2 Unterminated Connect Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 1-3 Replacement Pump Tubes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 2-1 Pump Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 2-2 Distributor Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26 3-1 Replacement Parts for 5800 Refrigerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3-2 Refrigeration System Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 4-1 Test Point Functions and Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6 4-2 CPU Board Functional Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 4-3 Control Panel Identification and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 ix
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5800 Refrigerated Sampler Service Guide - Isco

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