Precision Air Conditioning
SmartCool
TM
– D
Precision Air Conditioning
127
Installation, Maintenance and Commissioning Manual :6877419 02/2013
Mechanical Data – W2F0 Continued
SC19D064-W2F0
SC19D070-W2F0
SC19D076-W2F0
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) - F0 (Free Cooling)
(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
(5)
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
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
Condenser
(3)
Stainless steel Brazed Plate
Water Volume
l
Glycol Flow
l/s
4
4.4
4.9
Pressure Drop Condenser
kPa
59.6
70.8
86.7
Glycol Coil
Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Water Volume
l
29.4
32.4
32.4
Glycol Flow
l/s
2.93
2.93
2.93
Pressure Drop F0
kPa
125.8
147.8
178.6
Unit
Water flow
l/s
4
4.4
4.85
Pressure drop
kPa
185.42
218.66
265.34
Dry Cooler
Water Volume
l
55.9
55.9
55.9
Flowrate
l/s
4
4.4
4.9
Pressure Drop
kPa
76.8
89.7
106.8
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 ESP/ 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
Dual Cool - Circuit 1 Tandem Compressors (Water Cooled)
Circuit 2 Free Cooling
Quantity - W2
2
2
2
Oil Charge Volume - W2
l
2 x 3.3
2 x 3.3
2 x 3.3
Oil Type
Polyolester
Connections
Water Inlet / Outlet – W2
mm
42
42
42
Glycol Connections Inlet/Outlet – F0
mm
42
42
42
Condensate Drain Hose
mm
22
22
22
Filtration
Disposable to BS EN 779-G4
Quantity
3
3
3
OPTIONAL EXTRAS
Hot Gas Reheat - X
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 Fan 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
rpm
1364 / 1520
1364 / 1520
1364 / 1520
Maximum ESP
Pa
216
216
216
Fan Gain
(5)
kW
1.73
1.73
1.73
Second upgrade Fan Motor - EC Motor
Quantity x Motor Size
kW
N/A
N/A
N/A
Speed @ 25Pa
rpm
N/A
N/A
N/A
Maximum ESP
Pa
N/A
N/A
N/A
Fan Gain
(5)
kW
N/A
N/A
N/A
Low Pressure Hot Water
(4)
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 condenser water in / out 35 / 40°C
(2) Entering air 24°C/ 45% RH condenser water in / out 7/12°C and based on water.
(3) Pressure drop through condenser, free cooling coil, 3 port valve, Head pressure control valve and unit pipe work
(4) Based upon low pressure hot water 82°C inlet/71°C outlet. Air on 20°C
(5) Fan gain based on 25Pa ESP @ nominal air volume. Fan gain will change as airflow and ESP change.
W
2
F0