Manitowoc UG080A Technician's Handbook

Also see for UG018A: Installation, operation and maintenance manual

Contents

Manitowoc UG080A Technician's Handbook Manual pdf 7 page image

Table of ContentsTable of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . 1General Information 1Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Installation 3Location of Ice Machine . . . . . . . . . . . . . . . . . . . . . 3Water Service/Drains . . . . . . . . . . . . . . . . . . . . . . 4Electrical Requirements . . . . . . . . . . . . . . . . . . . . 5Electrical Specifications . . . . . . . . . . . . . . . . . . . . 6Power Consumption - kwh per 24 hours . . . . . . . 7Ice Machine Heat of Rejection . . . . . . . . . . . . . . . 8Component Identification 9Component Removal . . . . . . . . . . . . . . . . . . . . . 11Spray Bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Maintenance 17Cleaning & Sanitizing Procedure . . . . . . . . . . . . 18Operation 23Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 23Cube Shape . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Troubleshooting 29All Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Ice Machine Will Not Run . . . . . . . . . . . . . . . . . . 29Compressor Won’t Run . . . . . . . . . . . . . . . . . . . 30Compressor Electrical Diagnostics. . . . . . . . . . . 31Diagnosing Start Components . . . . . . . . . . . . . . 33Water Pump Won’t Run . . . . . . . . . . . . . . . . . . . 34Hot Gas Valve Won’t Energize. . . . . . . . . . . . . . 34Water Inlet Valve Won’t Energize. . . . . . . . . . . . 34Ice Machine Prematurely Harvests . . . . . . . . . . 35ce Machine Will Not Harvest . . . . . . . . . . . . . . . 36Evaporator Thermostat. . . . . . . . . . . . . . . . . . . . 37Water System Checklist . . . . . . . . . . . . . . . . . . . . 44Ice Production Check . . . . . . . . . . . . . . . . . . . . . . 45Analyzing Discharge Pressure . . . . . . . . . . . . . . 46Discharge Pressure High Checklist . . . . . . . . . . 47Freeze Cycle Discharge Pressure Low Checklist 48Analyzing Suction Pressure. . . . . . . . . . . . . . . . . 49Suction Pressure High Checklist . . . . . . . . . . . . 51