Manitowoc QM20

6 Part Number 80-01111-9 7/10
Cleaning the Condenser . . . . . . . . . . . . . 43
Air-cooled Condenser . . . . . . . . . . . . . 44
Water-cooled Condenser and 
Water Regulating Valve . . . . . . . . . . . 44
QM45/Q130/Q170/Q210/Q270 . . . . . . . . . 45
Interior Cleaning and Sanitizing . . . . . 45
QM20/QM30 . . . . . . . . . . . . . . . . . . . . . . . 60
Cleaning and Sanitizing Procedure . . 60
SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Cleaning Procedure . . . . . . . . . . . . . . 67
Sanitizing Procedure . . . . . . . . . . . . . 68
Removal of Parts for Cleaning and
Sanitizing . . . . . . . . . . . . . . . . . . . . . . 69
Removal from Service/Winterization . . . 77
General . . . . . . . . . . . . . . . . . . . . . . . . 77
Air-cooled Ice Machines . . . . . . . . . . . 77
Water-cooled Ice Machines . . . . . . . . 78
OPERATION
QM45/Q130/Q170/Q210/Q270 . . . . . . . . . 79
Initial Start-up or Start-up After 
Automatic Shut-off . . . . . . . . . . . . . . . 79
Freeze Sequence . . . . . . . . . . . . . . . . 79
Harvest Sequence . . . . . . . . . . . . . . . 80
Automatic Shut-off . . . . . . . . . . . . . . . 80
Energized Parts Chart . . . . . . . . . . . . 81
QM20/QM30 . . . . . . . . . . . . . . . . . . . . . . . 83
Initial Start-up or Start-up After 
Automatic Shut-off . . . . . . . . . . . . . . . 83
Freeze Sequence . . . . . . . . . . . . . . . . 83
Harvest Sequence . . . . . . . . . . . . . . . 84
Automatic Shut-off . . . . . . . . . . . . . . . 84
Energized Parts Chart . . . . . . . . . . . . 85
SM50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Initial Start-up or Start-up After 
Automatic Shut-off . . . . . . . . . . . . . . . 86
Energized Parts Chart . . . . . . . . . . . . 88
Operational Checks . . . . . . . . . . . . . . . . . 89
QM45/Q130/Q170/Q210/Q270 . . . . . 89
QM20/QM30 . . . . . . . . . . . . . . . . . . . . 92
SM50 . . . . . . . . . . . . . . . . . . . . . . . . . 95