Installation, Maintenance and Commissioning Manual :6877419 02/2013
Mechanical Data- W2C0 Continued
SC25D067-W2C0 SC25D073-W2C0 SC25D080-W2C0
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) – C0 (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 (6) 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
(3) 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
Cooling Coil – C0
Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Cooling /Dehum Stages 1 (Modulated) / 1
Water Volume l 42.2 42.2 42.2
Water Flow l/s 4.32 4.32 4.32
Pressure Drop kPa 61.68 61.68 61.7
Condenser
Stainless steel Brazed Plate
Water Volume l
Water Flow l/s 4.15 4.56 5.1
Pressure Drop Condenser kPa 56.74 67.92 83.87
Dry Cooler
Water Volume L 55.9 55.9 55.9
Flowrate l/s 4.15 4.56 5.10
Pressure Drop kPa 81.63 92.5 114
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 / Maximum ESP RPM 1360 / 1360 1364 / 1360 1364 / 1360
Maximum ESP Pa 20 20 20
Nominal Airflow m³/s 6.5 6.5 6.5
Compressor – Scroll
Configuration – W2C0 Dual Cool – Circuit 1 Tandem Compressors (Water Cooled) / Circuit 2 Chilled Water
Quantity – W2C0 2 2 2
Oil Charge Volume – W2C0 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
Water Inlet / Outlet – C0 mm 42 42 42
Condensate Drain Hose mm 22 22 22
Filtration Disposable to BS EN 779-G4
Quantity 4 4 4
OPTIONAL EXTRAS
Hot Gas Reheat -
(4)
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 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 1220 / 1360
Maximum ESP Pa 45 45 45
Fan Gain (6) kW 2.6 2.6 2.6
Second upgrade 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 condensing water in / out: 35/40°C
(2) Entering air 24°C/45% RH water 7°C/12°C
(3) Machine weight Includes a refrigerant charge / Operating weight includes calculated water volume
(4) Based on air temperature of 15.5 °C leaving the evaporator coil
(5) Based upon low pressure hot water 82 °C inlet / 71°C outlet. Air on 20°C.
(6) Fan gain based on 25 Pa ESP @ nominal air volume. Fan gain figure will change as airflow and ESP change.
W2C0
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