Auto-tuning temperature controller Honeywell Cooling and Refrigeration

The Honeywell Icon 300 Series measure, display and control the temperature and lighting of refrigerated cases and coldrooms. They operate with up to three 2k NTC or PT1000 probes (air-on, air-off and evaporator probes), and has up to six relay outputs (alarm, auxiliary, light, compressor, defrost and fan). The Icon 300 series has a RS485 connection to enable the controller to interface to Honeywell Genus® Network.

The Icon 300 series comes in three variants:

Icon 343C - 4 relays with fast-on spade terminals
Icon 363C - 6 relays with fast-on spade terminals
Icon 363CS - 6 relays with screw terminals

Features:

Up to six relay outputs (alarm, auxiliary, light, compressor, defrost and fan).
Controls the temperature through weighted average of the Air-On / Air-Off probes in order to maintain a set value.
Honeywell Genus® network - Can be linked to a Honeywell central supervisor for central monitoring, logging and defrost scheduling.
Internal real-time clock for up to 6 scheduled defrost cycles per 24 hours.
Defrost cycles can also be controlled via a Honeywell front-end system.
Time based light control.
Displays messages, values and alarms.
HotKey - Allows for multiple controller programming.
Dual Probe types (NTC 2k and PT1000).
Low Humidity mode to keep the fan of the refrigeration plant running.