Vogt VT Series - Page 5

Maintenance - Section 6
Preventive Maintenance ..................................................................................... 6-1
Preventive Maintenance Program ....................................................................... 6-2
Air Cooled Condenser Cleaning .......................................................................... 6-3
Compressor Oil ................................................................................................... 6-3
Chopper Gear Reducer Oil .................................................................................. 6-4
Water Distributor ................................................................................................. 6-4
Troubleshooting - Section 7
Machine Fault Light ............................................................................................ 7-1
Control Power Light ............................................................................................ 7-1
PLC ..................................................................................................................... 7-2
Damaged Bin Control Sensor .............................................................................. 7-2
Machine Inoperative ............................................................................................ 7-3
Machine “Freeze-Up”........................................................................................... 7-4
Additional Troubleshooting ................................................................................. 7-5
Service Operations - Section 8
Principle Of Operation ........................................................................................ 8-1
Pressure Switches .............................................................................................. 8-2
CoreSense
(Copeland Compressor Protection )........................................................ 8-3
Bin Control
(Electronic Temperature Control) ........................................................... 8-4
PLC
(Programmable Logic Controller) ...................................................................... 8-5
Compressor......................................................................................................... 8-6
TXV & Solenoid Valve ......................................................................................... 8-7
Adjusting TXV...................................................................................................... 8-8
Inlet Pressure Regulator...................................................................................... 8-8
Water Tank Parts ............................................................................................... 8-9
Chopper Assembly ........................................................................................... 8-10
Evaporator Housing Covers .............................................................................. 8-11
Freeze Cycle Piping Schematic
(No Hot Gas Loop) ............................................ 8-12
Harvest Cycle Piping Schematic
(No Hot Gas Loop) ........................................... 8-13
Freeze Cycle Piping Schematic
(With Hot Gas Loop) .......................................... 8-14
Harvest Cycle Piping Schematic
(With Hot Gas Loop) ......................................... 8-15
Freeze Cycle Piping Schematic
(With Suction Stop Valve) ......................................8-16
Harvest Cycle Piping Schematic
(With Suction Stop Valve) .....................................8-17
Replacement Parts List .................................................................................... 8-18
Options and Accessories - Section 9
Voltage Monitor (Wagner Model DTP-3) ...................................................................9-1
Remote Switch
(Includes Ice/Off/Clean selector switch, start button & fault light) ...........9-3