Daikin EWAD620-C17C-SS, Service Manual

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ESIE10-01 General Outline
Part 1 – System Outline 1–29
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Model EWAD~C-XL
C10 C11 C12 C13 C14
Capacity (1) Cooling kW 1074 1196 1280 1349 1409
Capacity control Type Stepless
Minimum capacity % 12.5 12.5 12.5 12.5 7
Unit power input (1) Cooling kW 338 364 400 411 437
EER (1) 3.18 3.29 3.2 3.29 3.23
ESEER 4.05 4.14 4.02 4.28 4.23
IPLV 4.44 4.51 4.47 4.59 4.56
Casing Colour Ivory White
Material Galvanized and painted steel sheet
Dimensions Unit Height mm 2540 2540 2540 2540 2540
Width mm 2285 2285 2285 2285 2285
Length mm 7985 9785 9785 9785 11985
Weight Unit kg 7760 8510 8530 9190 11000
Operating Weight kg 8160 8900 8920 10180 11490
Water heat
exchanger Type Single Pass Shell&Tube
Water volume l 403 386 386 979 491
Nominal water flow
rate Cooling l/s 51.32 57.13 61.18 64.45 67.34
Nominal Water
pressure drop Cooling kPa 69 45 51 71 77
Insulation material Closed cell
Air heat exchanger Type High efficiency fin and tube type with integral subcooler
Fan Type Direct propeller type
Drive DOL
Diameter mm 800
Nominal air flow l/s 85510 106888 106888 106888 128266
Model Quantity No. 16 20 20 20 24
Speed rpm 920 920 920 920 920
Motor input W 1.75 1.75 1.75 1.75 1.75
Compressor Type Semi-hermetic single screw compressor
Oil charge l 50 50 50 50 63
Quantity No. 2 2 2 2 3
Sound level Sound Power Cooling dB(A) 98.2 98.8 98.9 98.9 99.6
Sound Pressure (2) Cooling dB(A) 77.1 76.7 76.8 76.8 77.1
Refrigerant circuit Refrigerant type R-134a
Refrigerant charge kg 182 214 214 225 291
N. of circuits No. 2 2 2 2 3
Piping connections Evaporator water inlet/outlet mm 219.1 219.1 219.1 273 219.1
Safety devices High discharge pressure (pressure switch)
High discharge pressure (pressure transducer)
Low suction pressure (pressure transducer)
Compressor motor protection
High discharge temperature
Low oil pressure
Low pressure ratio
High oil filter pressure drop
Phase monitor
Emergency stop button
Water freeze protection controller