Installation, Maintenance and Commissioning Manual :6877419 02/2013
Mechanical Data- W2C0 Continued
SC19D064-W2C0 SC19D070-W2C0 SC19D076-W2C0
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) – C0 (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 (6) 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
(3) 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
Cooling Coil – C0
Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Cooling /Dehum Stages 1 (Modulated) / 1
Water Volume l 32.4 32.4 32.4
Water Flow l/s 3.14 3.14 3.14
Pressure Drop FC kPa 30.25 30.25 30.25
Condenser
Stainless steel Brazed Plate
Water Volume l 4.1 4.1 4.1
Water Flow l/s 3.98 4.36 4.85
Pressure Drop Condenser kPa 52.76 62.75 76.85
Dry Cooler
Water Volume L 55.9 55.9 55.9
Flowrate l/s 3.98 4.36 4.85
Pressure Drop kPa 76.8 77.9 105.1
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 / 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 – 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 35 35 35
Water Inlet / Outlet – C0 mm 35 35 35
Condensate Drain Hose mm 22 22 22
Filtration Disposable to BS EN 779-G4
Quantity 3 3 3
OPTIONAL EXTRAS
Hot Gas Reheat -
(4)
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 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 / Maximum ESP rpm 1340 /1520 1364 / 1520 1364 / 1520
Maximum ESP Pa 216 216 216
Fan Gain (6) kW 1.73 1.73 1.73
Second upgrade Motor - EC Motor
Quantity x Motor Size kW N/A N/A N/A
Speed @ 25Pa / Maximum ESP rpm N/A N/A N/A
Maximum ESP Pa N/A N/A N/A
Fan Gain (6) kW N/A N/A N/A
Low Pressure Hot Water
(5) 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 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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