Manitowoc MII 302 Spécifications télécharger pdf (Page 81)

Part Number STH038 5/12 79

Sequence of Operation

SELF CONTAINED AIR OR WATER COOLED

NOTE: The power button must be depressed and the

water curtain/ice dampers must be in place on the

evaporator before the ice machine will start.

Initial Start-Up or Start-Up After

Automatic Shut-Off

1. Water Purge

Before the refrigerant compressor starts, the water

pump and water dump solenoid energize to purge the

ice machine of old water. This feature ensures that the

ice making cycle starts with fresh water.

2. Refrigeration System Equalization and

Start-Up

The harvest valve(s) and air pump(s) energize to

equalize high and low side refrigeration pressure.

After 5 seconds the contactor energizes the

compressor and supplies power to the condenser fan

motor. After 5 seconds the harvest valve(s) and air

pump(s) de-energize.

NOTE: The fan motor is wired through a fan cycle

pressure control and will cycle on and off when the

room temperatures is below 21°C (70°F).

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Manitowoc MII 302 Spécifications Page 81