Installation, Maintenance and Commissioning Manual :6877419 02/2013
Mechanical Data – X2X2 Continued
SC25D080-X2X2 SC25D090-X2X2 SC25D0100-X2X2
Standard Condenser Match 2 x CR65 2 x CR65 2 x CR80
Capacity
Nom Cooling (Gross) – kW 76.2 82.3 94.3
Capacity Steps 4 4 6
Fan Gain kW 2.16 2.61 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
Kg 1020 / 1020 1100 / 1120 1130 / 1130
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 4/1 4/1 6/1
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 1070 / 1360 1207 / 1360 1360 / 1360
Maximum ESP Pa 353 200 20
Nominal Airflow m³/s 5.2 5.9 6.5
Compressor – Scroll
Configuration – X2X2 Dual Circuit – Circuit 1 Tandem Compressors / Circuit 2 Tandem Compressors
Quantity – X2X2 4 2 2
Oil Charge Volume – X2X2 l 4 x 1.57 4 x 3 4 x 3.3
Oil Type Polyolvinyl Polyolester
Refrigeration
Dual Circuit
Refrigerant control and type Thermostatic Expansion Valve (Optional EEV)
Refrigerant type R410A
Holding Charge Inert Gas
Charge (per circuit) kg 15.6 16.2 14.8
Connections
Liquid (sweat) in 7/8 7/8 7/8
Discharge (sweat) in 1 1/8 1 1/8 1 1/8
Condensate Drain Hose mm 22 22 22
Filtration Disposable to BS EN 779-G4
Quantity 4 4 4
OPTIONAL EXTRAS
Hot Gas Reheat -
Nom Heating (Gross) kW 11.5 12.2 12.2
Electric Heating (Total)
kW 21 21 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 1050 / 1340 1220 / 1360 1337 / 1360
Maximum ESP Pa 327 180 45
Fan Gain kW 1.32 1.86 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 1070 1520 1212 1520 1354 1520
Maximum ESP Pa 487 351 195
Fan Gain kW 1.3 1.85 2.6
Low Pressure Hot Water
Copper Tube/Aluminium Fin
Capacity Gross kW 32.5 34.1 35.7
Water Flow (Nominal) l/s 0.72 0.76 0.79
Pressure drop kPa 37.4 21 21.8
LPHW Connection Sizes mm 22 22 22
(1) Entering air 24°C /45°C RH ambient 35°C
(2) Machine weight excludes a refrigerant charge
(3) For refrigerant charges, refer to Unit Refrigerant Charge (kg/Circuit).
(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 25Pa ESP @ Nominal air volume. Fan gain figure will change as airflow and ESP change
X2X2
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