Installation, Maintenance and Commissioning Manual :6877419 02/2013
Mechanical Data –X2C0
SC19D033-X2C0-0 SC19D038-X2C0-0 SC19D045-X2C0-0
Standard Condenser Match - 1 x CR50 1 x CR65 1 x CR65
Capacity
Nom Cooling (Gross) – X2 (1) kW 28.9 36.4 41.3
Nom Cooling (Gross) – C0 (2) kW 61.6 67.9 74.4
Capacity Steps 2 2 2
Fan Gain (7) kW 0.66 1.0 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 820 / 860 820 / 860 820 / 860
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 2/1
Cooling Coil – C0
Copper Tube / Turbulated Hydrophilic Coated Aluminium Fins
Cooling / Dehum Stages 1(Modulated)/ 1
Water Volume l 27.4 27.4 27.4
Water flow rate l/s 2.44 2.72 3.14
Pressure drop kPa 23.33 27.8 35.01
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 964 / 1360 1117 / 1360 1340 / 1360
Maximum ESP Pa 438 302 49
Nominal Airflow m³/s 3.7 4.3 5.1
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 1.57 2 x 1.57
Oil Type Polyolvinyl
Refrigeration
Single Circuit
Refrigeration Control & Type Thermostatic Expansion Valve (Optional EEV)
Refrigeration Type (4) R410A
Holding Charge Inert Gas
Charge (Total) kg 9.2 14.4 14.4
Connections
Liquid (Sweat) – X2 in 1/2 5/8 5/8
Discharge (Sweat) – X2 in 7/8 7/8 7/8
Water Inlet / Outlet – C0 mm 35 35 35
Condensate Drain Hose mm 22 22 22
Filtration
Disposable to BS EN 779-G4-600
Quantity 3 3 3
OPTIONAL EXTRAS
Hot Gas Reheat - X
Nom Heating (Gross) (5) kW 8.3 9.2 9.7
Electric Heating (Total)
kW 21 21 21
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 2 x 3.1 2 x 3.1 2 x 3.1
Speed @ 25Pa / Maximum ESP RPM 986 / 1520 1145 / 1520 1340 / 1520
Maximum ESP Pa 589 453 216
Fan Gain (7) kW 0.65 1.03 1.73
Second upgrade Fan Motor - EC Motor
Centrifugal direct drive
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 (7) kW N/A N/A N/A
Low Pressure Hot Water
Copper Tube / Aluminium Fin
Capacity Gross (6) kW 22.2 24.5 26.0
Water Flow (Nominal) l/s 0.49 0.54 0.58
Pressure drop kPa 9.4 9.7 10.1
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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