Daikin WRC-COA User Manual download pdf (Page 67)

screw

condenserless

screw

STRENGTHS

Cooling range: 328-1,422kW ›

EER range: 3.51-3.91 ›

Stepless single-screw compressor ›

Optimised for use with R-134a ›

1-2-3 truly independent refrigerant circuits ›

Standard electronic expansion valve ›

DX shell and tube evaporator – one pass refrigerant side ›

for easy oil circulation and return

All models are PED pressure vessel approved ›

STANDARD AVAILABLE

Main switch ›

Gauges ›

Electronic expansion valve ›

OPTIONS (factory mounted)

Total heat recovery ›

Partial heat recovery ›

Power factor 0.9 cos › φ

A/V meter ›

Soft starter ›

Liquid receiver ›

ACCESSORIES

Communication cards (EKAC200J – ›

EKACBAC –EKACLON)

Converter RS485 to RS232 ›

Converter RS485 to USB ›

Modem (EKMODEM – ›

EKGSMOD)

Bacnet gateway (EKBMSBNJ) ›

Remote user interface (EKRUPCK) ›

Sequencing panel (EKCSCII) ›

Buffer tanks (EKBT500N – EKBTC10N – ›

EKBT500C – EKBTC10C)

Plant visor (EKPV2J) ›

EWLD-EJYNN

Cooling only

320 400 420 500 600 650 750 800 850 900 950 C10 C11 C12 C13 C14 C15 C16 C17

Capacity (Eurovent) Cooling kW

328 391 428 504 596 657 730 788 850 919 966 1,003 1,078 1,125 1,188 1,267 1,319 1,370 1,422

Nominal input (Eurovent) Cooling kW

83.8 100 116 137 165 181 198 214 231 252 271 279 296 312 329 347 366 386 405

EER

3.91 3.69 3.68 3.61 3.63 3.69 3.68 3.65 3.56 -

Dimensions (Height x Width x Depth) mm

1,921x1,461x3,338 2,113x1,350x4,332 2,398x2,153x4,470

Weight

Machine weight kg

1,861 1,869 1,884 3,331 3,339 3,347 3,356 3,364 3,412 5,146 5,167 5,188 5,208

Operating Weight kg

2,054 2,052 2,056 3,602 3,603 3,604 3,605 3,645 5,667 5,671 5,677 5,680

Water Heat Exchanger

Evaporator

Type

Shell and tube

Water ﬂ ow rate Nominal l/min

939

1,119.8 1,227.6 1,445.6 1,709.6 1,884.1

2,093

2,258.3 2,436.5

2,634

2,768.2 2,874.6 3,090.3 3,223.9

3,407

3,631.7 3,780.2 3,928.8 4,077.4

Nominal water pressure drop

Cooling kPa

33.7 46.27 47.28 54.12 48.57 38.96 51.57 47.15 46.98 58.35 45.07 52.23 45.67 49.28 41.21 50.8 54.6 58.53 62.57

Compressor

Type

Screw compressor

Model Quantity

12 3

Sound Power Cooling dBA

93.6 94.6 96.6 96.9 97.3 97.8 98.8 99.8 98.3 98.6 99.8 100.6 101.2 101.8

Operating Range

Evaporator Min~Max °CDB

-8 (OPZL)~15

Condensor Min~Max °CDB

Water side Min~Max °CDB

Air side Min~Max °CDB

Condensing temperature

Min~Max °CDB

Evaporating temperature

Min~Max °CDB

Refrigerant circuit

Refrigerant type

R-134a

Refrigerant charge kg

No of circuits

12 3

Refrigerant control

Electronic expansion valve

Power Supply

3~/400V/50Hz

Piping connections Evaporator water inlet/outlet

168.30 219.10

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 119 120

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Daikin WRC-COA User Manual Page 67

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