EasyManua.ls Logo

Manitowoc SM050

Manitowoc SM050
236 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Part Number 8001119 10/19 7
Operational Checks . . . . . . . . . . . . . . . . . 89
QM45/Q130/Q170/Q210/Q270 . . . . . . 89
QM20/QM30 . . . . . . . . . . . . . . . . . . . . 92
SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Delay Start . . . . . . . . . . . . . . . . . . . . . . . . . 96
Repeat Delay Period Every 24 Hours . 96
TROUBLESHOOTING
QM45/Q130/Q170/Q210/Q270 . . . . . . . . . . 99
Diagnosing an Ice Machine
that Will Not Run . . . . . . . . . . . . . . . . . 99
Diagnosing Ice Thickness Control Circuitry
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Ice Production Check . . . . . . . . . . . . . 103
Installation and Visual Inspection Checklist
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Water System Checklist . . . . . . . . . . . 105
Ice Formation Pattern . . . . . . . . . . . . . 106
Safety Limit Feature . . . . . . . . . . . . . . 108
Analyzing Discharge Pressure . . . . . . 115
Analyzing Suction Pressure . . . . . . . . 117
Hot Gas Valve . . . . . . . . . . . . . . . . . . . 121
Comparing Evaporator Inlet/Outlet
Temperatures . . . . . . . . . . . . . . . . . . . 125
Discharge Line Temperature Analysis 126
Refrigeration Component Diagnostic Chart
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Final Analysis . . . . . . . . . . . . . . . . . . . 130
Refrigeration Component Diagnostic Chart
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
QM20/QM30 . . . . . . . . . . . . . . . . . . . . . . . . 134
Diagnosing an Ice Machine
that Will Not Run . . . . . . . . . . . . . . . . . 134
Refrigeration Diagnostics . . . . . . . . . . 135
Ice Formation Pattern . . . . . . . . . . . . . 137
QM45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Electrical . . . . . . . . . . . . . . . . . . . . . . . 139
Refrigeration Diagnostics . . . . . . . . . . 140
Flooding Expansion Valve . . . . . . . . . . 143
Starving Expansion Valve/Low Refrigerant
Charge . . . . . . . . . . . . . . . . . . . . . . . . . 143
Overcharged System . . . . . . . . . . . . . . 143

Table of Contents

Related product manuals