Daikin EWYT560B-XRA2 [74/75] Installations notes

Daikin EWYT215B-XSA2 [74/75] Installations notes
INSTALLATIONS NOTES
74 | 75
SPECIFICATIONS
Controller features
Controller shall be guarantee following minimum functions:
Management of the compressors,
Unit enabled to work in partial failure condition
Full routine operation at condition of:
-
high ambient temperature value
-
high thermal load
-
high Water Side Heat Exchanger entering water temperature (start-up)
Display of Water Side Heat Exchanger entering/leaving water temperature
Display of Outdoor Ambient Temperature
Display of condensing-evaporating temperature and pressure, suction and discharge superheat for each
circuit
Leaving water Water Side Heat Exchanger temperature regulation
Compressor and Water Side Heat Exchanger pumps hours counter
Display of Status Safety Devices
Number of starts and compressor working hours
Optimized management of unit load
Fan management according to condensing pressure
Re-start in case of power failure (automatic / manual)
Soft Load (optimized management of the unit load during the start-up)
Start at high Water Side Heat Exchanger water temperature
Return Reset (Set Point Reset based on return water temperature)
OAT (Outside Ambient temperature) set-point reset
Set point Reset from external signal (optional)
Application and system upgrade with commercial SD cards
Ethernet port for remote or local servicing using standard web browsers
Master / Slave (provided as standard)
Variable primary Flow (available as option)
Two different sets of default parameters could be stored for easy restore
High Level Communications Interface (on request)
The unit shall be able to communicate to BMS (Building Management System) based on the most common
protocols as:
-
ModbusRTU
-
LonWorks, now also based on the international 8040 Standard Unit Profile and LonMark Technology
-
BacNet BTP certified over IP

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