Airedale StoreMaster 50kW - 77kW - Manual (Page 37)

Comfort STOREMASTER
™
Comfort Range
37
Technical Manual : 6678403 V1.3.0_ 02_2013
General Specification
MECHANICAL DATA - COOLING ONLY
STM50R STM77R
Duty - Cooling
Nom Cooling (Gross) Total (1) kW 53.0 77.5
Nom Cooling (Gross) Sensible (1) kW 47.2 71.1
Fan Gains - Supply per unit (1) kW 1.52 2.88
EER - DX (Mechanical) Cooling (2) 2.99 2.79
EER - Free Cooling (3) 12.8 14.3
Capacity Steps % 0, 50 & 100 0, 50 & 100
Dimensions - H x W x L
Packaged Unit mm 2140 x 1900 x 4500 2140 x 1900 x 4500
Weights
Operating - Packaged Unit (4) kg 1987 2003
Construction - Material / Colour Galvanised Sheet Steel, Epoxy Baked Powder Paint - Light Grey (RAL 7035)
Evaporator Cross Hatch Copper Tube/ Hydrophilic Fins - Air Cooled
Face Area (Total) m² 2.275 2.275
Condenser Cross Hatch Copper Tube/ Hydrophilic Fins - Air Cooled
Face Area (Total) m² 2.270 2.270
Fan & Motor - Evaporator Backward Curved Impeller - EC Plug Fan
Quantity / Motor Size kW 2 x 1.9 2 x 3.6
Diameter mm 560 630
Air Volume m³/s 3.0 5.5
Maximum External Static Pa 470 200
Fan & Motor - Condenser Axial Fan
Quantity / Motor Size kW 2 x 0.98 2 x 0.98
Diameter mm 710 710
Air Volume m³/s 7.7 7.7
Compressor Tandem Scroll - Hermetic
Quantity 2 2
Oil Charge Volume (Total) l 6.6 6.6
Oil Type Polyol Ester
Refrigeration Single Circuit
Refrigerant Control Electronic Expansion Valve
Refrigerant Precharged (Packaged) R410A
Charge (Total) kg 23.1 26.2
Connections
Condensate Drain in 1 1
Filtration Disposable to BS EN 779 - G4 - 97mm
Quantity 6 6
OPTIONAL EXTRAS
Gas Fired Heating (Indirect) kW 90.0 90.0
Gas Consumption - Nat.gas G20 (5) m³/h 10.68 10.68
Gas Connection (6) Rc 1 1/4 1 1/4
Flue Diameter mm 130 130
Maximum Equivalent Flue Length (7) m 9 9
Electric Heating
Rating kW 72.0 84.0
Number of Stages 3 4
Low Pressure Hot Water Copper Tube/Aluminium Fin
Capacity Gross (8) kW 70.0 94.0
Water Flow (Nominal) l/s 1.57 2.10
Water Pressure Drop Pa 35 57
LPHW Connection Sizes mm 42 42
Fan - Return Air Short Case Axial Fan
Quantity / Motor Size kW 1 x 1.4 1 x 2.1
Air Volume m³/s 2.70 4.95
Maximum Static Pressure Pa 90 90
Split System
Dimensions - H x W x L Evaporator mm 2140 x 1900 x 3500 2140 x 1900 x 3500
Dimensions - H x W x L Condenser mm 2056 x 1900 x 1000 2056 x 1900 x 1000
Weights Operating - Evaporator (4) kg 1605 1617
Weights Operating - Condenser kg 382 386
Liquid Line in 7/8 1 1/8
Discharge Line in 1 1/8 1 1/8
Condenser Section - Precharged R10A kg 23.8 27.7
Evaporator Section - Holding Charge Inert Gas
(1) Nominal Cooling Duties based on 24°Cdb/50%RH and 35°C ambient
(2) EER is Total Cooling duty ÷ Unit Input Power (DX (mechanical) cooling), where input power includes compressor, supply fan and condenser fan.
(3) EER is Total Cooling duty ÷ Unit Input Power (100% free cooling), where input power includes compressor and supply at air on at 13°C ambient
(4) Includes gas fired heater, return air fan and weather louvres.
(5) Natural gas G20-Calorific value 10.48kWh/m³ GCV.
(6) Gas supply line size Rc 1- 1/4”.
(7) For internal applications reduce flue length by 1.5m for each 90° elbow and 0.75m for every 45° elbow.
(8) Based upon low pressure hot water 82°C inlet/71°C outlet. Air on 20°C.