48
YORK INTERNATIONAL
PHYSICAL DATA
MODEL NUMBER YCAS
0250EC
0270EC
0300EC
0330EC
0360EC
0400EC
0440EC
General Unit Data
Unit Capacity at 6.7°C water & 35°C ambient, kW
853.4
928.6
1009.2
1102.3
1235.7
1355.2
1470.9
Number of Independent Refrigerant Circuits
3
3
3
3
4
4
4
Refrig. Charge, R-22, Ckt.-1 / Ckt.-2, kg.
70 / 70
70 / 70
85 / 85
92 / 92
85 / 85
96 / 96
104 / 104
Ckt-3 / Ckt-4, kg.
70 / –
78 / –
80 / –
86 / –
85 / 85
90 / 90
98 / 98
Oil Charge, Ckt.-1 / Ckt.-2, liters
19 / 19
19 / 19
19 / 19
19 / 19
19 / 19
19 / 19
19 / 19
Ckt-3, Ckt-4, liters
19 / –
19 / –
19 / –
19 / –
19 / 19
19 / 19
19 / 19
Shipping Weight:
Aluminum Fin Coils, kg.
6,814
6,890
7,516
7,597
9,600
10,195
10,399
Copper Fin Coils, kg.
7,676
7,752
8,521
8,602
10,748
11,486
11,690
Operating Weight:
Aluminum Fin Coils, kg.
7,863
7,952
8,571
8,732
10,973
11,596
11,816
Copper Fin Coils, kg.
8,725
8,814
9,576
9,737
12,121
12,887
13,107
Compressors, DXS Semihermetic Twin Screw
Quantity per Chiller
3
3
3
3
3
3
3
Nominal Ton Size, Ckt.-1 / Ckt.-2
275/275
275/275
335/335
370/370
335/335
335/335
370/370
Ckt-3 / Ckt-4
275 / –
370 / –
335 / –
370 / –
275/275
335/335
370/370
Condensers, High Efficiency Fin / Tube with Integral Subcooler
Total Chiller Coil Face Area, m
2
35.67
35.67
41.62
41.62
47.57
53.51
53.51
Number of Rows
3
3
3
3
3
3
3
Fins per Meter
512
512
512
512
512
512
512
Condenser Fans
Number, Ckt.-1 / Ckt.-2
4 / 4
4 / 4
5 / 5
5 / 5
4 / 4
5 / 5
5 / 5
Number, Ckt-3 / Ckt-4
4 / –
4 / –
4 / –
4 / –
4 / 4
4 / 4
4 / 4
Standard Fans
Fan Motor, HP / kW
2 / 1.8
2 / 1.8
2 / 1.8
2 / 1.8
2 / 1.8
2 / 1.8
2 / 1.8
Fan & Motor speed, rev./sec.
19.0
19.0
19.0
19.0
19.0
19.0
19.0
Fan Diameter, mm
900
900
900
900
900
900
900
Fan Tip Speed, m/sec.
54
54
54
54
54
54
54
Total Chiller Airflow, l/sec.
80,983
80,983
94,481
94,481
107,978
121,475
121,475
Low Noise Fans
Fan Motor, HP / kW
2 / 1.53
2 / 1.53
2 / 1.53
2 / 1.53
2 / 1.53
2 / 1.53
2 / 1.53
Fan & Motor Speed, rev./sec.
14
14
14
14
14
14
14
Fan Diameter, mm
900
900
900
900
900
900
900
Fan Tip Speed, m/sec.
40
40
40
40
40
40
40
Total Chiller Airflow, l/sec.
79,568
79,568
92,829
92,829
106,091
119,352
119,352
High Static Fans
Fan Motor, HP / kW
5 / 3.79
5 / 3.79
5 / 3.79
5 / 3.79
5 / 3.79
5 / 3.79
5 / 3.79
Fan & Motor Speed, rev./sec
19.0
19.0
19.0
19.0
19.0
19.0
19.0
Fan Diameter, mm
900
900
900
900
900
900
900
Fan Tip Speed, m/sec.
54
54
54
54
54
54
54
Total Chiller Airflow, l/sec (@0.4" additional static)
80984
80984
94481
94481
94481
107979
107979
Evaporator, Direct Expansion
Water Volume, liters
524
524
425
425
611
679
679
Maximum
1
Water Side Pressure, Bar
10
10
10
10
10
10
10
Maximum Refrigerant Side Pressure, Bar
20.7
20.7
20.7
20.7
20.7
20.7
20.7
Minimum Chilled Water Flow Rate, l/sec.
14
14
16
16
19
21
21
Maximum Chilled Water Flow Rate, l/sec.
50
50
50
50
67
67
67
Water Connections, inches
10
10
10
10
10
10
10
SI UNITS
1
Optional 21 Bar Waterside available
Technical Data
Summary of Contents for MILLENNIUM YCAS 250
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