Text on figure
Drawing reference Description
(A) Blower and cubicle cooling air outlet
(B) Process air inlet
(C) Cooling air inlet, cubicle
(D) Cooling air inlet, oil cooler
(E) Cooling air inlet, motor
Warning
The maximum allowed pressure from the connected air net on the unit is 2 bar (29 psi).
Thermal insulation should be provided to protect against the high temperature of the air
outlet valve and air delivery pipe.
The units must not be used in a potentially explosive atmosphere.
Description
The numbered list items below refer to the balloon references in the figure.
1. Install the unit on a level floor suitable for taking its weight.
Recommended minimum distance between the top of the bodywork and the ceiling is 1200
mm (47 in).
Distances between units and walls stated are minimum.
2. The maximum total length of the air delivery pipe can be calculated as follows:
For SI Units
L
max
= (dp x d
5
x p) / (450 x Qc
1.85
)
• d = inner diameter of the delivery pipe (in mm)
• dp = pressure drop (recommended maximum = 0.1 bar)
• L = length of delivery pipe (in m)
• p= absolute pressure at the unit outlet (in bar(a))
• Qc = free air delivery of the unit (in l/s)
3. Avoid recirculation and intake of hot air in compressed air inlet grating
4. Entry of the electrical supply (2 alternatives)
5. Compressed air outlet valve (supplied by the customer)
6. Compensator
The outlet pipe should be connected stress-free to the unit.
7. Take measures to avoid noise radiation caused resonance of the discharge pipe:
• Consider the wall thickness of the discharge pipe.
• Apply acoustic insulation to the discharge pipe.
• Apply an anchoring method that avoids resonance transfer to the building.
• Carefully select the discharge pipe section to avoid resonance caused by air velocity.
Instruction book
AIF999999 47
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