En-6
3. 3. Installation dimensions
CAUTION
Install the unit where it will not be tilted by more than 3˚. However, do not install the
unit with it tilted towards the side containing the compressor.
When installing the outdoor unit where it may exposed to strong wind, fasten it
securely.
Decide the mounting position with the customer as follows:
(1) Install the outdoor unit in a location which can withstand the weight of the unit and
vibration, and which can install horizontally.
(2) Provide the indicated space to ensure good airflow.
(3) If possible, do not install the unit where it will be exposed to direct sunlight.
(If necessary, install a blind that does not interfere with the airflow.)
(4) Do not install the unit near a source of heat, steam, or flammable gas.
(5) During heating operation, drain water flows from the outdoor unit.
Therefore, install the outdoor unit in a place where the drain water flow will not be
obstructed. (Reverse cycle model only)
(6) Do not install the unit where strong wind blows or where it is very dusty.
(7) Do not install the unit where people pass.
(8) Install the outdoor unit in a place where it will be free from being dirty or getting wet by
rain as much as possible.
(9) Install the unit where connection to the indoor unit is easy.
3. 3. 1. Single outdoor unit installation
When the upward area is open
• When there are obstacles at the back side.
4 in. (100 mm)
or more
• When there are obstacles at the back and front sides.
AIR
4 in. (100 mm)
or more
24 in. (600 mm)
or more
3. 2. Drain installation
36 type only
CAUTION
Perform drain work in accordance with this Manual, and ensure that the drain water
is properly drained. If the drain work is not carried out correctly, water may drip down
from the unit, wetting the furniture.
When the outdoor temperature is 32 ° F (0 ° C) or less, do not use the accessory drain
pipe and drain cap. If the drain pipe and drain cap are used, the drain water in the pipe
may freeze in extremely cold weather. (Reverse cycle model only).
Outdoor unit to be fasten with bolts at the four places indicated by the arrows without fail.
Bottom side
Drain cap mounting place
Drain pipe mounting place
Since the drain water flows out of the outdoor unit during heating operation, install the
drain pipe and connect it to a commercial 16 mm hose. (Reverse cycle model only)
When installing the drain pipe, plug all the holes other than the drain pipe mounting hole
in the bottom of the outdoor unit with putty so there is no water leakage. (Reverse cycle
model only)
Drain pipe mounting hole
Base
Drain pipe
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