Daikin EWAD420T-XSB2 [7/81] Supervising systems on request microtech iii remote communication
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Daikin EWAD420T-XSB2 [7/81] Supervising systems on request microtech iii remote communication

Daikin EWADH15T-XRB3 [7/81] Supervising systems on request microtech iii remote communication
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GENERAL CHARACTERISTICS
• Display of Ambient Temperature
• Display of refrigerant condensing/evaporating temperatures and pressures.
• Regulation of leaving evaporator water (cooling mode) or condenser water (heating mode).
• Display of compressor working hours and number of compressor starts.
• Re-start in case of power failure (automatic or manual depending on failure type).
• Soft load (optimized management of the compressor load during the start-up).
• Set point reset.
• Master/Slave operation (up to 4 chillers connected).
• Variable Primary Flow Management (available as option)
Alarms signaling (for more information refer to Unit Control Manual):
• Phase loss.
• Evaporator water flow loss.
• Evaporator water freezing protection.
• External alarm.
• Low evaporator refrigerant pressure.
• High refrigerant pressure (transducer).
• High refrigerant pressure (switch).
• Low pressure ratio.
• High refrigerant discharge temperature.
• High oil pressure differential.
• High motor temperature.
System security The following securities are available.
• Phase monitor.
• Low Ambient temperature lock-out.
• Freeze protection.
Regulation type Proportional integral derivative regulation on the evaporator leaving water output
probe.
MicroTech III_ MicroTech III built-in terminal has the following features.
• 164x44 dots 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.
• Memory to protect the data.
• General faults alarm relays.
• Password access to modify the setting.
• Application security to prevent application tampering or hardware usability with third party
applications.
• Service report displaying all running hours and general conditions.
• Alarm history memory to allow an easy fault analysis.
Supervising systems (on request) MicroTech III remote communication
MicroTech III is able
to communicate to BMS (Building Management System) based on the most common protocols as:
• ModbusRTU (Native)
• LonWorks, now also based on the international 8040 Standard Chiller Profile and LonMark
Technology.
• BacNet BTP certifief over IP and MS/TP (class 4) (Native).
• Ethernet TCP/IP (Native).

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