Mechanical Data – W2F0 Continued
SC19D064-W2F0 SC19D070-W2F0 SC19D076-W2F0
Standard Dry Cooler Match 1 x DR95 1 x DR95 1 x DR95 (EC)
Capacity
Nom Cooling (Gross) – W2 (1) kW 63.2 68.7 75.3
Nom Cooling (Gross) - F0 (Free Cooling) (2) kW 74.4 74.4 74.4
Total Heat of Rejection –W2 kW 81.6 89.2 99.1
Capacity Steps 2 2 2
Fan Gain (5) kW 1.7 1.7 1.7
Dimensions - W x D x H
mm 1985 x 890 x 1980 1985 x 890 x 1980 1985 x 890 x 1980
Weight - Machine / Operating
kg 950 / 980 950 / 980 960 / 990
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
(3) Stainless steel Brazed Plate
Water Volume l
Glycol Flow l/s 4 4.4 4.9
Pressure Drop Condenser kPa 59.6 70.8 86.7
Glycol Coil
Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Water Volume l 29.4 32.4 32.4
Glycol Flow l/s 2.93 2.93 2.93
Pressure Drop F0 kPa 125.8 147.8 178.6
Unit
Water flow l/s 4 4.4 4.85
Pressure drop kPa 185.42 218.66 265.34
Dry Cooler
Water Volume l 55.9 55.9 55.9
Flowrate l/s 4 4.4 4.9
Pressure Drop kPa 76.8 89.7 106.8
Fan Motor
Backwards Curved, Centrifugal direct drive
Motor Type EC EC EC
Quantity x Motor Size kW 2 x 2.2 2 x 2.2 2 x 2.2
Speed @25Pa ESP/ maximum ESP rpm 1340 /1360 1340 /1360 1340 /1360
Maximum ESP Pa 49 49 49
Nominal Airflow m³/s 5.1 5.1 5.1
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
Water Inlet / Outlet – W2 mm 42 42 42
Glycol Connections Inlet/Outlet – F0 mm 42 42 42
Condensate Drain Hose mm 22 22 22
Filtration Disposable to BS EN 779-G4
Quantity 3 3 3
OPTIONAL EXTRAS
Hot Gas Reheat - X
Nom Heating (Gross) kW 9.7 9.7 9.7
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 2 x 3.1 2 x 3.1 2 x 3.1
Speed @ 25Pa rpm 1364 / 1520 1364 / 1520 1364 / 1520
Maximum ESP Pa 216 216 216
Fan Gain (5) kW 1.73 1.73 1.73
Second upgrade Fan Motor - EC Motor
Quantity x Motor Size kW N/A N/A N/A
Speed @ 25Pa rpm N/A N/A N/A
Maximum ESP Pa N/A N/A N/A
Fan Gain (5) kW N/A N/A N/A
Low Pressure Hot Water
(4) Copper Tube/Aluminium Fin
Capacity Gross kW 26 26 26
Water Flow (Nominal) l/s 0.58 0.58 0.58
Pressure Drop kPA 10.1 10.1 10.1
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) Pressure drop through condenser, free cooling coil, 3 port valve, Head pressure control valve and unit pipe work
(4) Based upon low pressure hot water 82°C inlet/71°C outlet. Air on 20°C
(5) Fan gain based on 25Pa ESP @ nominal air volume. Fan gain will change as airflow and ESP change.
W2F0
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