3. OUTDOOR UNIT & BRANCH BOX
INSTALLATION SPACE3.
OUTDOOR UNIT3-1.
Caution
The installation space shown in the following examples is based on an ambient temperature under
cooling operation of 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 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.
SINGLE OUTDOOR UNIT INSTALLATION3-1-1.
WHEN THE UPWARD AREA IS OPEN
Unit : mm
Obstacles at rear only
Obstacles at rear and sides only
150
200
200
300
Obstacles at front only
Obstacles at front and rear only
1000 or more
1000 or more
150
WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD
AREA
Obstacles at rear and above only
Obstacles at rear, sides, and above
only
300
Max. 500
1000
1500
250
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