Mechanical data - cooling & heat pump, Storemaster ™ comfort, General specification – Airedale StoreMaster 50kW - 77kW User Manual
Page 38: Comfort range

STOREMASTER
™
Comfort
38
Comfort Range
Technical Manual : 6678403 V1.3.0_ 02_2013
General Specification
MECHANICAL DATA - COOLING & HEAT PUMP
STM50RHP
STM77RHP
Duty - Cooling
Nom Cooling (Gross) Total
(1)
kW
52.8
76.5
Nom Cooling (Gross) Sensible
(1)
kW
46.5
69.9
EER - DX (Mechanical) Cooling
(2)
2.99
2.74
EER - Free Cooling
(3)
12.8
14.3
Fan Gains - Supply per unit
(1)
kW
1.52
2.88
Capacity Steps
%
0, 50 & 100
0, 50 & 100
Duty - Heating
Nom Heating (Nett) Total
(4)
kW
56.5
73.6
EER - DX Heating
(5)
2.8
2.8
Dimensions - H x W x L
Packaged Unit
mm
2140x 1900 x 4500
2140x 1900 x 4500
Weights
Operating - Packaged Unit
(6)
kg
2146
2150
Construction - Material / Colour
Galvanised Sheet Steel, Epoxy Baked Powder Paint - Light Grey (RAL 7035)
Evaporator
Interlaced Dual Circuit Cross Hatch Copper Tube/ Hydrophilic Fins - Air Cooled
Face Area (Total)
m²
2.275
2.275
Condenser
Interlaced Dual Circuit 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
2 x 3.3
2 x 3.3
Oil Type
Polyol Ester
Refrigeration
Dual Circuit
Refrigerant Control
Electronic Expansion Valve
Refrigerant Precharged (Packaged)
R410A
Charge (Total)
kg
2 x 17.0
2 x 18.2
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
(7)
m³/h
10.68
10.68
Gas Connection
(8)
Rc
1 1/4
1 1/4
Flue Diameter
mm
130
130
Maximum Equivalent Flue Length
(9)
m
9
9
Electric Heating
Rating
kW
24
36
Number of Stages
2
3
Low Pressure Hot Water
Capacity Gross
kW
N/A
N/A
Water Flow (Nominal)
l/s
N/A
N/A
Water Pressure Drop
Pa
N/A
N/A
LPHW Connection Sizes
mm
N/A
N/A
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
2126 x 1900 x 1000
2126 x 1900 x 1000
Weights Operating - Evaporator
(6)
kg
1740
1742
Weights Operating - Condenser
kg
406
408
Liquid Line
in
5/8
7/8
Discharge Line
in
1 1/8
1 1/8
Condenser Section - Precharged R10A
kg
2 x 17.7
2 x 19.0
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)
Nominal Heating Duties based on 22°Cdb/50%RH and 5°C ambient
(5)
EER is Total Heating duty ÷ Unit Input Power (DX heating), where input power includes compressor, supply fan and condenser fan.
(6)
Includes gas fired heater, return air fan and weather louvres.
(7)
Natural gas G20-Calorific value 10.48kWh/m³ GCV.
(8)
Gas supply line size Rc 1-
1/4”.
(9)
For internal applications reduce flue length by 1.5m for each 90° elbow and 0.75m for every 45° elbow.