Daikin EWYT215B-XSA2 [6/75] General characteristics

GENERAL CHARACTERISTICS

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Safety device / logic for each refrigerant circuit

The following devices / logics are available:

• high pressure (pressure switch);

• high pressure (transducer);

• low pressure (transducer);

• fans circuit breakers;

• high compressor discharge temperature;

• high motor winding temperature;

• phase monitor;

• low pressure ratio;

• high oil pressure drops;

• low oil pressure;

• no pressure changes at start.

System security

The following securities are available:

• phase monitor;

• low ambient temperature lock-out;

• freeze protection.

Regulation type

Proportional integral derivative regulation on the cold heat exchanger leaving water output probe.

MicroTech 4

MicroTech 4 built-in terminal has the following features:

• Liquid crystal display with white back lighting, supports Unicode fonts for multi-lingual;

• Key-pad consisting of 3 keys;

• Push’n’roll control for an increased usability;

• Flash memory to protect the data;

• Password access to modify the setting;

• Application security to prevent application tampering or hardware usability with third party applications;

• Alarm history memory to allow an easy fault analysis.

Supervising systems (on request) MicroTech 4 remote communication

MicroTech 4 can communicate to BMS (Building Management System) based on the most common protocols as:

• ModbusRTU (Native);

• LonWorks,

• BACnet BTP certified over IP and MS/TP (class 4) (Native);

• Ethernet TCP/IP (Native).