Amico CSA Triplex SCD Modular Stack Mount User Manual
Page 6
Amico Source Equipment
SAMPLE SYSTEM SELECTION
1.
Site conditions: A new hospital is being built, located in Vancouver, British Columbia with 298 medical air
outlets. Space availability will be programmed based on system selection. The hospital is located 2 meters
above sea level. Power and emergency generator system will be selected upon system selection.
2.
Using Figure 2, an average PCL is determined.
3.
Through consultation with medical staff, some adjustments and modification might be necessary to the PCL
as previously determined in step two. We will add 3.5 SCFM for correction.
4.
Subsequent to the consultation with Facility Planning, we discover that a new addition is being added to the
hospital. It will require another 11.98 SCFM.
5.
There is no need to compensate for altitude because the elevation is not beyond 152 meters.
6.
Based on total PCL of 107.49 SCFM, we can choose from the following systems:
Triplex Scroll 15hp with a system
Note: All sizing methods are only approximations and should be used judiciously. If an existing
compressor is being replaced, the operating characteristics of that compressor can be an important gauge
of likely future use. For example, if an existing 5 HP. compressor provides an ample amount of medical air,
but the sizing tables yield much larger requirements; it may be suitable to use a smaller compromise unit in
preference to simply relying on the results from the Amico Sizing Guide.
6.3.4 Altitude Adjustment
If the compressor is to be operated at higher elevations, the peak calculated demand should be multiplied by the
corresponding correction factor. Specifically, at altitudes above sea level, all medical air systems have reduced flow.
In such cases, the required sizing will need to be adjusted by taking the total PCL (SCFM) and multiplying it by the
correction factor (See Figure 3 below).
Altitude
Multiplier Used for Required SCFM(Hg)
Figure 3: Altitude Correction Chart
Multiplie
Sea Level
1.00
609 m (2000 ft.)
1.03
1219m (4000 ft.)
1.06
1828 m (6000 ft.)
1.10
2438 m (8000 ft.)
1.15
3048 m (10,000ft.)
1.19
305 m (1000 ft.)
1.01
900 m (3000 ft.)
1.05
1525 m (5000 ft.)
1.08
2133
m
(7000
ft.) 1.12
2743 m (9000 ft.)
1.17
4