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The minimum distances, reported above, ensure functionality of the unit in most applications. However, there are specific
situations which include multiple unit installations: in this case the following recommendations have to be followed:
Multiple unit installed side by side in a free field with dominant wind.
Considering an installation in areas with a dominant wind from a specific direction (as shown in the Fig.6):
•
Unit N°1: is performing normally without any ambient over-temperature
•
Unit N° 2: is working in a warmed ambient. The first circuit (from the left) is working with air recirculating from Unit
1 and the second circuit to the recirculating air from the unit N°1 and recirculation from itself.
•
Unit N° 3: circuit on the left is working in a over-temperature ambient due to the recirculating air from the other
two units, circuit on the right is working quite normally.
Fig. 6 - Multiple Chiller Installation
In order to avoid the hot air recirculation due to dominant winds, the installation where all units are aligned to the dominant
wind is preferred (see figure below):
