Manitowoc Ice Complete Guide on How to Drain and Winterize Your Machine

Maintenance Section 4

Removal From Service Winterization

Special precautions must be taken if the ice machine is to be removed from service for an extended period of time or exposed to ambient temperatures of 32°F (0°C) or below.

!Caution

If water is allowed to remain in the ice machine in freezing temperatures, severe damage to some components could result. Damage of this nature is not covered by the warranty.

Follow the applicable procedure below.

SELF-CONTAINED AIR-COOLED ICE MACHINES

1.Disconnect the electric power at the circuit breaker or the electric service switch.

2.Turn off the water supply.

3.Remove the water from the water trough.

4.Disconnect and drain the incoming ice-making water line at the rear of the ice machine.

5.Blow compressed air in both the incoming water and the drain openings in the rear of the ice machine until no more water comes out of the inlet water lines or the drain.

6.Make sure water is not trapped in any of the water lines, drain lines, distribution tubes, etc.

WATER-COOLED ICE MACHINES

Perform steps 1-6 under “Self-Contained Air-Cooled Ice Machines.”

1.Disconnect the incoming water and drain lines from the water-cooled condenser.

2.Insert a large screwdriver between the bottom spring coils of the water regulating valve. Pry upward to open the valve.

Pry Open the Water Regulating Valve

3.Hold the valve open and blow compressed air through the condenser until no water remains.

4-8 Part Number 000001130 12/08