Installation, Maintenance and Commissioning Manual :6877419 02/2013
Mechanical Data – X2C0 Continued
SC31D055-X2C0-0 SC31D065-X2C0-0 SC31D075-X2C0-0
Standard Condenser Match - 1 x CR80 1 x CR105 1 x CR105
Capacity
Nom Cooling (Gross) – X2 (1) kW 52.7 61.0 65.7
Nom Cooling (Gross) – C0 (2) kW 107 121.6 135.2
Capacity Steps 3 2 3
Fan Gain (7) kW 1.25 2.06 3.22
Dimensions - W x D x H
mm 3113 x 890 x 1980 3113 x 890 x 1980 3113 x 890 x 1980
Weight - Machine / Operating
(3) kg 1150 / 1200 1150 / 1210 1160 / 1210
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 3/1 2/1 3/1
Cooling Coil – C0
Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Cooling /Dehum Stages 1(Modulated)/ 1
Water Volume l 44 44 44
Water Flow l/s 4.18 4.7 5.16
Pressure Drop kPa 46.7 55.9 65.2
Fan Motor
Backwards Curved, Centrifugal direct drive
Motor Type EC EC EC
Quantity x Motor Size kW 3 x 3.1 3 x 3.1 3 x 3.1
Speed @ 25Pa / Maximum ESP 1061 / 1520 1261 / 1520 1480 / 1520
Maximum ESP Pa 528 330 77
Nominal Airflow m³/s 5.8 6.9 7.9
Compressor - Scroll
Configuration Dual Cool - Circuit 1 Tandem Compressors (Refrigeration) / Circuit 2 Chilled water
Quantity 2 2 2
Oil Charge Volume l 2 x 3.3 2 x 3.3 2 x 3.3
Oil Type Polyolester
Refrigeration
Single Circuit
Refrigeration Control & Type Thermostatic Expansion Valve (Optional EEV)
Refrigeration Type R410A
Holding Charge Inert Gas
Charge (Total) kg 15.9 24.2 24.2
Connections
Liquid (Sweat) – X2 in 7/8 7/8 7/8
Discharge (Sweat) – X2 in 1 1/8 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 14.6 16.1 16.1
Electric Heating (Total)
kW 31.5 31.5 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
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
Second upgrade Fan 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 (7) kW N/A N/A N/A
Low Pressure Hot Water
(6) Copper Tube/Aluminium Fin
Capacity Gross kW 40.6 43.8 45.2
Water Flow (Nominal) l/s 0.9 0.97 1.01
Pressure drop kPa 35.9 35.9 35.9
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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