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4
4. OUTDOOR UNIT INSTALLATION
4-1 INSTALLING THE UNIT
• Be sure to fix the unit’s legs with bolts when installing it.
• Be sure to install the unit firmly to ensure that it does not fall by an earthquake or a gust.
• Refer to the figure in the right for concrete foundation.
Note:
The length of anchor bolts should be within 25 mm from
each anchor leg.
• Do not use the drain socket and the drain cap in the cold
region.
Drain may freeze and it makes the fan stop.
CAUTION:
Be sure to carry out drain piping work following the in-
stallation manual.
If there is some deficiency in draining and piping work, it
may cause a risk of dripping from the unit, wetting or
forling your property.
4-2 MOUNTING ARRANGEMENT OF DRAIN SOCKET
Please perform the drain piping work only when draining from one place.
CAUTION:
Do not use drain socket and drain cap in the cold region.
Drain may freeze and it makes the fan stop.
1Please choose one hole to discharge drain and install the drain socket to the hole.
2Please close the rest of the holes with the drain caps.
3Please connect a vinyl hose of 25 mm in the inside diameter on the market with the drain socket and lead drain.
4-3 HOW TO REMOVE THE SERVICE PANEL AND THE CONNECT COVER
• Remove the four service panel securing screws, and pull
the panel down in an arrow direction to remove the service
panel.
• Remove the four connect cover securing screws to remove
the connect cover.
FREE SPACE REQUIRED AROUND OUTDOOR UNIT (Unit: mm)
500 or more
100 or more
200 or more
350 or more100 or more
500 or more
1. Top side obstacles
When there is an obstacle behind the rear side only,
it does not matter if there is an obstacle over the
top side as shown in the figure below.
2. Front (blowing) side open
As long as space like the one shown in the figure
can be maintained, it does not matter if there are
obstacles in three directions (but top side is open).
3. Obstacles on front (blowing) side only
In this case, the rear, both sides and top should be
open.
4. Obstacles on front and rear side only
The unit can be used by attaching an optional out-
door blowing guide (MAC-855SG) (but both sides
and top are open).
100 or more
500 or more
Blowing guide (MAC-855SG)
100 or more
500 or more
100 or more
Service space
350 or more
500 or more
5. Service space
Keep the service space as shown in the figure be-
low for maintenance.
Note:
Make sure not to install several outdoor units sideways next to each other.
500
330
Fix here with
M10 bolts.
Make the setting
depth deeper.
Make with wider.
Anchor leg
25 mm or less
Anchor both length
Anchor both pitch
(Unit: mm)
Service panel
Connect
cover