Technical Manual Downflow - Airedale International Air Conditioning

AIR & WATER COOLED
30
-DF
Precision Air Conditioning
Technical Manual : 6259014 v1.3.0 02_2013
Precision Air Conditioning
General Specification - Air & Water Cooled Models
MECHANICAL DATA
DF40X-EZ DF45X-EZ DF50X2-EZ DF55X2-EZ DF60X2-EZ
DF40WX-EZ DF45WX-EZ DF50WX2-EZ DF55WX2-EZ DF60WX2-EZ
Standard Matched Condenser - X
Capacity
CS50 C50 CS65 CS80 CS80
Nom Cooling (Gross) - X (1) kW 40.6 43.9 50 57.4 60.7
Nom Cooling (Gross) - WX (2) kW 41.7 45.9 51.2 59.0 62.7
Total Heat of Rejection - WX (2) kW 54.9 60.9 51.9 77.6 82.3
Capacity Steps 1 1 2 2 2
Fan Gain kW 3.58 3.58 2.86 2.86 3.90
Dimensions - H x W x D mm 1940 x 1835 x 1940 x 1835 x 1940 x 2170 x 1940 x 2170 x 1940 x 2170 x
750
750
750
750
750
Weight - Machine - X kg 522 550 665 678 674
Weight - Machine / Operating - WX (3) kg 581 / 587 628 / 638 747 / 756 761 / 771 757 / 767
Construction Panels: Galvanised Sheet Steel, Epoxy Baked Powder Paint - Light Grey, (RAL 7035)
Material/Colour
Frame: Anodised Aluminium Frame with Black Nylon Corners
Evaporator Rifled Copper Tube/Turbulated Hydrophilic Coated Aluminium Fins
Cooling/Dehum Stages 1/1 1/1 2/2 2/2 2/2
Condenser - WX Stainless Steel Brazed Plate
Water Volume l 6.1 9.9 9.9 9.9 9.9
Fan & Motor Centrifugal Belt & Pulley- Designed to 25Pa ESP
Quantity / Motor Size kW 1 x 5.5 1 x 5.5 2 x 2.2 2 x 2.2 2 x 3.0
Speed @ 25Pa / Maximum ESP rpm 1094 / 1186 1094 / 1186 1167 / 1170 1167 / 1170 1307 / 1311
Maximum ESP Pa 175 175 35 35 75
Nominal Airflow m³/s 3.7 3.7 4.2 4.2 4.6
Compressor - Scroll Single Tandem
Quantity 1 1 2 2 2
Oil Charge Volume (Total) l 3.30 6.20 6.50 7.60 7.60
Oil Type Polyol Ester
Refrigeration Single Circuit
Refrigeration Control Thermostatic Expansion Valve (Optional EEV)
Refrigeration Type (4) R407C
Holding Charge - X Inert Gas
Charge (Total) - WX
Connections
kg 8.9 11.7 11.6 13.3 13.3
Liquid (Sweat) - X in 7/8 7/8 7/8 7/8 7/8
Discharge (Sweat) - X in 1 1/8 1 1/8 1 3/8 1 3/8 1 3/8
Water Inlet / Outlet - WX mm 35 42 42 42 42
Condensate Drain Hose mm 19 19 19 19 19
Filtration Disposable to BS EN 779 - G4 - 75mm
Quantity
OPTIONAL EXTRAS
Upgraded Condenser Match - X
3 3 4 4 4
Nom Cooling (Gross) (1) kW 41.2 44.8 51.2 58.5 61.8
Electric Heating (Total)
Humidifier
kW 20 20 30 30 30
Capacity kg/hr 3.0 - 15.0 3.0 - 15.0 3.0 - 15.0 3.0 - 15.0 3.0 - 15.0
Feed/Drain
Condensate Pump
3/4” BSPF Braided flexible hose / 19mm hose connection
Head m 10.8 10.8 10.8 10.8 10.8
Flow l/m 5 5 5 5 5
Drain 10mm S/Steel Stub Connection
Larger / Next Larger Fan Motor Size
Quantity / Motor Size kW N/A / N/A N/A / N/A 2 x 3.0 / 2 x 4.0 2 x 3.0 / 2 x 4.0 2 x 4.0 / N/A
Maximum ESP Pa N/A / N/A N/A / N/A 310 / 360 310 / 360 275 / N/A
Speed @ Maximum ESP rpm N/A / N/A N/A / N/A 1448 / 1498 1448 / 1498 1497 / N/A
Fan Gain kW N/A / N/A N/A / N/A 3.90 / 5.20 3.90 / 5.20 5.20 / N/A
Low Pressure Hot Water Copper Tube/Aluminium Fin
Capacity Gross (5) kW 31.50 31.50 38.30 38.30 39.80
Water Flow (Nominal) l/s 0.70 0.70 0.85 0.85 0.89
LPHW Connection Sizes
Threaded Connection - WX
mm 22 22 22 22 22
Brass Male Taper in 1 1/4 1 1/2 1 1/2 1 1/2 1 1/2
(1) Entering air 24°C/45% RH ambient 35°C.
(2) Entering air 24°C/45% RH condensing water in / out: 30°C /35°C.
(3) Machine weight includes a refrigerant charge / Operating weight includes calculated water volume.
(4) For refrigerant charges, refer to the Refrigerant Charging Guide - X Type Models table in this section.
(5) Based upon low pressure hot water 82°C inlet/71°C outlet. Air on 20°C. Refer to the Low Pressure Hot Water (Optional Extra) - X & WX Type
Models in this section.