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Installation
5.3 Installation in extreme weather conditions
5.3.1 Unit exposed to strong wind
• Do not install the unit in a location where the suction side may be directly exposed to wind.
• Install the unit so that the air outlet fan is 90° to the direction of the wind.
• If necessary, place a barrier (A) in front of the unit to protect it from particularly strong winds.
• Set the outlet side at right angles to the wind direction.
A wind speed of 5 m/sec. or more blowing against the unit's air outlet will cause a short circuit (exhaust air
intake), the consequences of which may be as follows:
• Decrease in operational capacity.
• Frequent acceleration of ice formation.
• Interruption of operation due to high or low pressure alarm.
When a strong and continuous wind blows against the front of the unit, the fan may start to rotate very fast
until it breaks.
A
Fig. 16
Strong wind
Strong wind
Strong wind
If the wind direction can be predicted, refer to the figures below for installation of the unit.
Turn the air outlet side towards the wall, boundary element or building shield.
A
Fig. 17
Size A(mm)
2.1~3.1 ≥1000
4.1~8.1 ≥1500
9.1~14.1 ≥1500
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