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Typical Selections

Open plan office with false ceiling

One of the most popular uses of Artus is for offices. The example here is one with the ceiling 2.7m above the floor. Using the guidance from the British Council of Offices (BCO) Guide, the recommended shape for a perimeter office is 4.5m deep and 6 m wide. A typical Artus selection for this would be:

 

LocationSouth perimeter
Dimensions4.5m x 6m, 27m2
Cooling load, W/m287*
Cooling load, W2349
Chilled water flow/return °C6/12
Artus air flow, lit/sec155
Peak specific fan power, W/lit/sec0.10
Sensible cooling capacity, W2410
Unit sound power level, Lw(A)52
Finishescarpet, metal perf ceiling tile
Noise at observer, NR40**
Perimeter office - noise from Artus

Perimeter office – noise from Artus

Cellular offices

Artus is proving to be a versatile option for cellular offices due to the very small plan area of 600 x 600mm. The example here is one with exposed services which are popular aesthetic. It is exactly half of a BCO perimeter zone, i.e. 4.5m deep and 3 m wide. The low load gives a very low noise level and a very low specific fan power. A typical Artus selection for this would be:

 

LocationSouth perimeter
Dimensions4.5m x 3m, 13.5m2
Cooling load, W/m287*
Cooling load, W1175
Chilled water flow/return °C6/12
Artus air flow, lit/sec65
Peak specific fan power, W/lit/sec0.05
Sensible cooling capacity, W1190
Unit sound power level, Lw(A)35
Finishescarpet + absorption to give Rt 0.5s
Noise at observer, NR28**
Cellular Offices Example

Cellular office – noise from Artus

Densely occupied conference room

Artus is useful for very challenging spaces such as densely occupied conference room with high cooling loads, but where a low noise level is also required. The design strategy is to keep adding Artus units, and running them more slowly, until the required cooling load and noise level is achieved. The example below is for a 30m2 conference room with a high cooling load but also a low noise requirement. A typical Artus selection for this would be:

Dimensions5m x 6m, 30m2
Cooling load, W/m2160
Cooling load, W4800*
Chilled water flow/return °C6/12
Number of Artus units4
Artus air flow, lit/sec70
Peak specific fan power, W/lit/sec0.06
Sensible cooling capacity, W1270
Unit sound power level, Lw(A)36
Finishescarpet, metal perf ceiling tile
Noise at observer, NR29**
Densely occupied conference room - noise from Artus

Densely occupied conference room – noise from Artus

Residential living rooms

Artus is being increasingly used for air conditioned living rooms. Two Artus units neatly fit into a living room of, for example, 24m2, with low air flows and low noise. A typical Artus selection for this would be:

Dimensions6m x 4m, 24m2
Cooling load, W/m260
Cooling load, W1440*
Chilled water flow/return °C6/12
Number of Artus units2
Artus air flow, lit/sec57
Peak specific fan power, W/lit/sec0.05
Sensible cooling capacity, W1080 each
Unit sound power level, Lw(A)34
FinishesTimber floor, mats, plaster walls and ceiling
Noise at observer, NR26**
Residential living room - noise from Artus

Residential living room – noise from Artus

Bedrooms

A single Artus unit neatly matches the cooling load for a 14m2 bedroom. The low air flow rate gives a very low noise level, even at 100% of the cooling capacity. A typical Artus selection for this would be:

Dimensions4.7m x 3m, 14m2
Cooling load, W/m260
Cooling load, W840*
Chilled water flow/return °C6/12
Number of Artus units2
Artus air flow, lit/sec45
Peak specific fan power, W/lit/sec<0.05
Sensible cooling capacity, W840
Unit sound power level, Lw(A)31
FinishesWool carpet, plaster walls and ceiling
Noise at observer, NR21**
Residential bedroom - noise from Artus

Residential bedroom – noise from Artus

Note. * Calculated with return air 27°C. ** Noise estimates at observer, NR, to be confirmed by an acoustic consultant.

Artus Air-Conditioning Unit

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