Mechanical Data – W2F0 Continued
SC25D067-W2F0-0 SC25D073-W2F0-0 SC25D080-W2F0-0
Standard Dry Cooler Match 1 x DR95 1 x DR95 1 x DR95 (EC)
Capacity
Nom Cooling (Gross) – W2 (1) kW 66.9 73.1 80.4
Nom Cooling (Gross) - F0 (Free Cooling) (2) kW 105.8 105.8 105.8
Total Heat of Rejection –W2 kW 85.4 93.8 104.4
Capacity Steps 2 2 2
Fan Gain (5) kW 3.01 3.01 3.01
Dimensions - W x D x H
mm 2549 x 890 x 1980 2549 x 890 x 1980 2549 x 890 x 1980
Weight - Machine / Operating
kg 1070 / 1110 1070 / 1120 1080 / 1120
Construction
Panels: Galvanised Sheet Steel, Epoxy Baked Powder Paint - Black Grey (RAL 7021)
Material/Colour Frame: Anodised Aluminium Frame with Black Nylon Corners
Evaporator
Rifled Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Cooling/Dehum Stages 2/1 2/1 2/1
Condenser
(4) Stainless steel Brazed Plate
Water Volume l
Glycol Flow l/s 4.2 4.6 5.1
Pressure Drop Condenser kPa 45.2 54.2 67
Glycol Coil
Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Water Volume l 42.2 42.2 42.2
Glycol Flow l/s 4 4 4
Pressure Drop F0 kPa 155.5 183.6 223.3
Unit
Water flow l/s 4.15 4.6 5.1
Pressure drop kPa 200.69 237.76 290.28
Dry Cooler
Water Volume L 55.9 55.9 55.9
Flowrate l/s 4.15 4.6 5.1
Pressure Drop kPa 83.2 96.4 114
Fan Motor
Backwards Curved, Centrifugal direct drive
Motor Type AC AC AC
Quantity x Motor Size kW 3 x 2.38 3 x 2.38 3 x 2.38
Speed @25Pa ESP / maximum ESP rpm 1364 / 1364 1364 / 1364 1364 / 1364
Maximum ESP Pa 20 20 20
Nominal Airflow m³/s 6.5 6.5 6.5
Compressor - Scroll
Configuration
Dual Cool - Circuit 1 Tandem Compressors (Water Cooled)
Circuit 2 Free Cooling
Quantity - W2 2 2 2
Oil Charge Volume - W2 l 2 x 3.3 2 x 3.3 2 x 3.3
Oil Type Polyolester
Connections
Glycol Connections Inlet/Outlet – F0 mm 54 54 54
Condensate Drain Hose mm 22 22 22
Filtration Disposable to BS EN 779-G4
Quantity 4 3 3
OPTIONAL EXTRAS
Hot Gas Reheat - X
Nom Heating (Gross) kW 12.2 12.2 12.2
Electric Heating (Total)
kW 31.5 31.5 31.5
Humidifier
Capacity kg/hr 15 15 15
Feed/Drain 3/4" BSPF Braided flexible hose / 19mm hose connection
Condensate Pump
Head m 10.8 10.8 10.8
Flow l/m 5 5 5
Drain 10mm Stainless Steel Stub Connection
First upgrade Fan Motor - EC Motor
Backwards Curved, Centrifugal direct drive
Quantity x Motor Size kW 3 x 2.2 3 x 2.2 3 x 2.2
Speed @ 25Pa / maximum ESP rpm 1337 / 1360 1337/ 1360 1337 / 1360
Maximum ESP Pa 45 45 45
Fan Gain (6) kW 2.6 2.6 2.6
Second upgrade Fan Motor - EC Motor
Backwards Curved, Centrifugal direct drive
Quantity x Motor Size kW 3 x 3.1 3 x 3.1 3 x 3.1
Speed @ 25Pa / maximum ESP rpm 1354 / 1520 1354 / 1520 1354 / 1520
Maximum ESP Pa 195 195 195
Fan Gain (6) kW 2.6 2.6 2.6
Low Pressure Hot Water
(5) Copper Tube/Aluminium Fin
Capacity Gross kW 35.7 35.7 35.7
Water Flow (Nominal) l/s 0.79 0.79 0.79
Pressure Drop kPA 21.8 21.8 21.8
LPHW Connection Sizes mm 22 22 22
(1) Entering air 24°C/ 45% RH condenser water in / out 35 / 40°C
(2) Entering air 24°C/ 45% RH condenser water in / out 7/12°C and based on water.
(3) Outlines 10% ethylene glycol solution content
(4) Pressure drop through condenser, free cooling coil, 3 port valve, Head pressure control valve and unit pipe work
(5) Based upon low pressure hot water 82°C inlet/71°C outlet. Air on 20°C
(6) Fan gain based on 25Pa ESP @ nominal air volume. Fan gain will change as airflow and ESP change.
W2F0
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