Manitowoc Indigo Series Technician's Handbook page 208

Self-Contained Charging Procedures
The charge is critical on all Manitowoc ice
machines. Use a scale to ensure the proper
charge is installed.
1. Be sure the ice machine is off.
LOW SIDE
ACCESS
VALVE
REFRIGERANT
CYLINDER
SCALE
208
Important
MANIFOLD SET
CLOSED
CHARGING CONNECTIONS
OPEN
HIGH SIDE
ACCESS
VALVE
CLOSED
Part Number STH025 02/12
VACUUM PUMP/
RECOVERY UNIT