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Installation Space; Single Outdoor Unit Installation - Fujitsu Airstage J-II Series Design & Technical Manual

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3. INSTALLATION SPACE

● The installation space shown in the following examples is based on an ambient temperature under
cooling operation of 95 °F (35 °C) DB at the air intake of the outdoor unit.
Provide more space around the air intake than shown in the examples if the ambient temperature
exceeds 95 °F (35 °C) DB or if the thermal load of all of the outdoor units exceeds the capacity.
● Consider the transportation route, installation space, maintenance space, and access, and install
the unit in a location with sufficient space for the refrigerant piping.
● Observe the installation space specifications that are shown in the figures.
Provide the same space for the air intake at the rear of the outdoor unit.
If the installation is not performed according to the specifications, it could cause a short circuit and
result in a lack of operating performance.
As a result, the outdoor unit might easily be stopped by high-pressure protection.
Air intake
Rear view
● Installation methods not shown in the following examples are not recommended.
Performance may drop significantly.

3-1. SINGLE OUTDOOR UNIT INSTALLATION

„ WHEN THE UPWARD AREA IS OPEN
z Obstacles at rear only
6 (150)
z Obstacles at front only
40 (1,000) or more
„ WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD
AREA
z Obstacles at rear and above only
40 (1,000)
12 (300)
Max. 20 (500)
Caution
z Obstacles at rear and sides only
8 (200)
8 (200)
z Obstacles at front and rear only
40 (1,000) or more
z Obstacles at rear, sides, and above
only
10 (250)
10 (250)
- (03 - 04) -
Unit : in. (mm)
12 (300)
6 (150)
60 (1,500)
20 (500)
Max. 20 (500)

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