Installation, Maintenance and Commissioning Manual :6877419 02/2013
Mechanical Data – X2C0 Continued
SC25D045-X2C0-0 SC25D050-X2C0-0 SC25D055-X2C0-0
Standard Condenser Match - 1 x CR65 1 x CR65 1 x CR80
Capacity
Nom Cooling (Gross) – X2 (1) kW 42.6 46.1 53.0
Nom Cooling (Gross) – C0 kW 91.4 98.8 105.8
Capacity Steps 2 2 3
Fan Gain (7) kW 2.24 2.65 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 940 / 980 990 / 1030 1000 / 1040
Construction
Panels: Galvanised Sheet Steel, Epoxy Baked Powder Paint - Black Grey (RAL 7021)
Material/Colour Frame: Anodised Aluminium Frame with Black Nylon Corners
Evaporator – X2
Rifled Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Cooling/Dehum Stages 2/1 2/1 3/1
Cooling Coil – C0
Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Cooling /Dehum Stages 1(Modulated)/ 1
Water Volume l 36.8 36.8 36.8
Water Flow rate l/s 3.8 4.02 4.32
Pressure Drop kPa 57.4 63 70.7
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 1092 / 1360 1220 / 1360 1360 / 1360
Maximum ESP Pa 328 188 20
Nominal Airflow m³/s 5.3 5.9 6.5
Compressor - Scroll
Configuration Dual Cool - Circuit 1 Tandem Compressors (Refrigeration) / Circuit 2 Chilled water
Quantity 2 2 2
Oil Charge Volume l 2 x 1.57 2 x 3 2 x 3
Oil Type Polyolvinyl Polyolester
Refrigeration
Single Circuit
Refrigeration Control & Type Thermostatic Expansion Valve ( Optional EEV)
Refrigeration Type R410A
Holding Charge Inert Gas
Charge (Total) (4) kg 15.6 14.7 14.7
Connections
Liquid (Sweat) – X2 in 5/8 7/8 7/8
Discharge (Sweat) – X2 in 7/8 1 1/8 1 1/8
Water Inlet / Outlet – C0 mm 42 42 42
Condensate Drain Hose mm 22 22 22
Filtration Disposable to BS EN 779-G4-600
Quantity 4 4 4
OPTIONAL EXTRAS
Hot Gas Reheat - X
(5)
Nom Heating (Gross) kW 11.9 12.2 12.2
Electric Heating (Total)
kW 21 21 31.5
Humidifier
Capacity kg/hr 8 8 8
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
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 1074 / 1360 1200 / 1360 1337 / 1360
Maximum ESP Pa 314 188 45
Fan Gain (7) kW 1.4 1.92 2.6
Second upgrade Fan Motor - EC Motor
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 1270 / 1520 1225 / 1520 1354 / 1520
Maximum ESP Pa 464 337 195
Fan Gain (7) kW 1.4 1.92 2.6
Low Pressure Hot Water
(6)
Capacity Gross kW 32.5 34.1 35.7
Water Flow (Nominal) l/s 0.72 0.76 0.79
Pressure drop kPa 20.2 21 21.8
LPHW Connection Sizes mm 22 22 22
(1) Entering air 24°C/45% RH 35°C Ambient
(2) Entering air 24°C/45% RH water 7/12°C
(3) Machine weight includes a refrigerant charge / operating weight includes calculated water volume
(4) For refrigerant charges, refer to Unit Refrigerant Charge (kg/Circuit)
(5) Based on air temperature of 15.5°C leaving the evaporator coil
(6) Based upon low pressure hot water 82°C inlet/71°C outlet. Air on 20°C
(7) Fan gain based on 25Pa ESP @ nominal air volume. Fan gain figure will change as airflow and ESP change.
X2C0
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