Te
ch
nic
al
Chillers
DeltaChill™ Air Cooled and FreeCool
91
Chiller Technical Manual 7267818 V1.13.0_01_2018
Fre
eC
oo
l
55
56
57
DCF053DX-10DYY0
DCF049DX-11DXY0
DCF051DX-11DPY0
FreeCooling
Yes
Yes
Yes
Enhance Capital Allowance
No
No
No
Number of Refrigeration Circuits
2
2
2
Cooling Duty - EC Fans
Nominal Output - Mechanical
(1) kW
520.1
484.0
500.7
Nominal Input - Mechanical
kW
186.4
155.8
160.7
EER
(2)
2.79
3.11
3.12
ESEER
3.97
4.21
4.11
Nominal Output - Free Cooling
kW
375.1
394.2
398.3
Ambient temperature for
100% Free Cooling
(5) °C
-1.7
0.2
-0.1
Capacity Steps
%
20-35-55-70-85-100
15-35-50-70-85-100
25-45-65-85-100
Minimum Turndown Ratio
0.19
0.16
0.24
Dimensions (H x W x L)
mm
2682 x 2200 x 5978
2682 x 2200 x 7110
2682 x 2200 x 7110
Weight
Machine
(3) kg
5335
5770
5650
Operating
kg
6085
6595
6470
Water Volume (Total Internal)
l
750
825
820
Maximum Waterflow
l/s
46.7
35.1
35.1
Minimum Waterflow
l/s
10.7
8.0
13.4
Face Area (Total)
m²
2.38
2.38
2.38
Nominal Airflow - EC Fans
m³/s
40.0
44.0
44.0
Quantity
10
11
11
Maximum Speed - EC Fans
rpm
725
725
725
Compressor
Trio + Trio
Trio + Trio
Trio
Quantity of Compressors
6
6
5
Oil Charge Volume (Total)
l
3 x 5.3 + 3 x 5.3
3 x 5.3 + 3 x 5.3
2 x 5.3 + 3 x 5.3
Refrigeration
R410A / 2088
Charge (Total)
kg
32 + 33
31 + 35
31 + 36
GWP Tonnes Equivalent CO
2
tCO2
67 + 69
65 + 73
65 + 75
Refrigerant Control
Electronic Expansion Valve (EEV)
Water Inlet / Outlet - Unit
DN125
DN125
DN125
Water Drain / Bleed - Evap
inch
1/2
1/2
1/2
Water System
Minimum System Water Volume
(4)
l
1774
1408
2227
Maximum System
Operating Pressure
Bar
10
10
10
(1)
Based on units performance at 15/10°C return/supply temperatures, 35°C ambient, 20% Ethylene Glycol.
All performance data supplied in accordance with BBS EN14511-1:2013
(2)
EER = DX Cooling Output / (Compressor input power + Fan Input Power),
(3)
Based on standard unit without options, operating weight includes refrigerant charge and water volume.
For unit weights with waterside options fitted please refer to Airedale.
(4)
For minimum system volume, refer to Design Features & Information - Minimum System Water Volume Calculations
(5)
Ambient temperature that full Freecool capacity can be achieved
DCF Mechanical Data Extra Quiet
