En-6
4.3.2. Multiple outdoor unit installation
• Provide at least 250 mm of space between the outdoor units if multiple units are
installed.
• When routing the piping from the side of an outdoor unit, provide space for the piping.
• No more than 3 units must be installed side by side.
When 3 units or more are arranged in a line, provide the space as shown in the
following example when an obstruction in the upper space.
When the upper space is open
(Unit : mm)
(1) Obstacles at rear only
300 or more
250 or more
(2) Obstacles at front only
1,500 or more
250 or more
(3) Obstacles at front and rear
500 or more
1,500 or more
250 or more
When an obstruction in the upper space
(Unit : mm)
Obstacles at rear and above
1,500 or more
500 or more
250 or more
250 or more
Max. 300
1,500 or more
4.3.3. Outdoor units installation multi-row
(Unit : mm)
(1) Single parallel unit arrangement
150 or more
600 or more
1,000 or more
2,000 or more
(2) Multiple parallel unit arrangement
500 or more
600 or more
1,500 or more
250 or more
3,000 or more
250 or more
1,500 or more
500 or more
250 or more
NOTES:
• If the space is larger than stated above, the condition will be the same as when there
is no obstacle.
• Height above the
fl
oor level should be 50 mm or more.
• When installing the outdoor unit, be sure to open the front and left side to obtain
better operation ef
fi
ciency.
4.4. Installation
(Unit : mm)
570
340
• Install 4 anchor bolts at the locations indicated with arrows in the above
fi
gure.
• To reduce vibration, do not install the unit directly on the ground. Install it on a secure
base (such as concrete blocks).
50 mm or more
• The foundation shall support the legs of the unit and have a width of 50 mm or more.
• Depending on the installation conditions, the outdoor unit may spread its vibration
during operation, which may cause noise and vibration. Therefore, attach damping
materials (such as damping pads) to the outdoor unit during installation.
• Install the foundation, making sure that there is enough space for installing the
connection pipes.
• Secure the unit to a solid block using foundation bolts. (Use 4 sets of commercially
available M10 bolts, nuts, and washers.)
• The bolts should protrude 20 mm. (Refer to the
fi
gure below.)
• If overturning prevention is required, purchase the necessary commercially available
items.
Bolt
20 mm
Nut
Block
• Fix securely with bolts on a solid block. (Use 4 sets of commercially available M10
bolt, nut and washer.)
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1/12/2017 11:49:08 AM
