Daikin EWWD550BJYNN [10/21] 2 electrical specifications

Daikin EWWD550BJYNN [10/21] 2 electrical specifications
Chillers • R-134A • EWWD-BJYNN
1
3
Hydronic Systems • Chillers
10
3 Specifications
Safety Devices High pressure (pressure switch)
Low pressure (pressure switch)
Compressor thermal
High discharge temperature on the compressor
Phase monitor
Star/delta transition failed
Low delta pressure between suction and discharge
Notes Nominal cooling capacity and power input are based on: 12/7 °C entering/leaving evaporator water temperature; 30/
35 °C entering/leaving condenser water temperature.
Unit length includes modulating condenser water flow valve.
3-2 ELECTRICAL SPECIFICATIONS
EWWD380BJYNN EWWD460BJYNN EWWD550BJYNN EWWD750BJYNN EWWD850BJYNN EWWD900BJYNN EWWDC10BJYNN EWWDC11BJYNN
Power Supply Name YN
Phase 33333333
Frequency Hz 50 50 50 50 50 50 50 50
Voltage V 400 400 400 400 400 400 400 400
Voltage
Tolerance
Minimum % -10%
Maximum % +10%
Unit Starting Current A 367 367 367 535 550 561 575 588
Nominal Running Current
Cooling
A 112 129 148 224 244 258 277 295
Maximum Running Current A 137 178 205 302 331 357 385 410
Max unit current for wires
sizing
A 142 183 210 307 336 362 390 415
Compressor Starting Method Star-delta
Notes Allowed voltage tolerance ± 10%. Voltage unbalance between phases must be within ± 3%.
Max unit starting current: Absorbed current of compressor n°1 at 75% + starting current of the other compressor.
Max unit current for wires sizing : compressor FLA (Full Load Ampere) + fans current.
3-1 TECHNICAL SPECIFICATIONS
EWWD380BJYNN EWWD460BJYNN EWWD550BJYNN EWWD750BJYNN EWWD850BJYNN EWWD900BJYNN EWWDC10BJYNN EWWDC11BJYNN

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