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

Page 38: Comfort range

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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)

2.275

2.275

Condenser

Interlaced Dual Circuit Cross Hatch Copper Tube/ Hydrophilic Fins - Air Cooled

Face Area (Total)

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.

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