FREE SPACE REQUIRED AROUND OUTDOOR UNIT [Unit: mm (inch)]
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.
100 (3.94) or more
500 (19.68) or more
3. Obstacles on front (blowing) side only
In this case, the rear, both sides and top should be
open.
500 (19.68) or more
5. Service space
Keep the service space as shown in the figure be-
low for maintenance.
Service space
100 (3.94)
or more
500 (19.68) or more
100 (3.94)
or more
500 (19.68) or more
350 (13.78) or more
• When installing the unit in an area that is enclosed
on four sides such as a verandah, be sure to leave
move than 200 mm (7.87 in.) behind the unit as
shown.
• When there is a lack of airflow or there is a possi-
bility of becoming short cycle, install an outlet guide
and make sure there is enough space behind the
rear side of the air inlet.
Note:
Make sure not to install several outdoor units sideways next to each other.
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).
200 (7.87) or more
100 (3.94) or more
350 (13.78) or more
4. Obstacles on front and rear side only
The unit can be used by attaching an optional out-
door blowing guide (MAC-888SG) (but both sides
and top are open).
100 (3.94) or more
500 (19.68) or more
Outlet guide (MAC-888SG)
Window
More than 200 (17.87)
More than
More than
More than
100 (3.94)
350 (13.78)
More than 200 (17.87)
200 (17.87)
Less than 1,200 (47.24) of the
front surface side
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.
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.
1 Please choose one hole to discharge drain and install the drain socket to the hole.
2 Please close the rest of the holes with the drain caps.
3 Please connect a vinyl hose of 25 mm (1 in.) in the inside diameter on the market with the drain socket and lead
drain.
4-3
INDOOR/OUTDOOR WIRE CONNECTION AND OUTDOOR POWER
SUPPLY CORD CONNECTION
• Power should be taken from an exclusive branched circuit.
• Wiring work should be based on applicable technical standards.
• Wiring connections should be made following the diagram.
• Screws should be tightened so they won't loosen.
ELECTRICAL SPECIFICATIONS
INDOOR UNIT
MSZ-A09NA
Power supply (V, PHASE, Hz)
Min. Circuit Ampacity
1.0
Fan motor (F.L.A)
0.76
OUTDOOR UNIT
Power supply (V, PHASE, Hz)
Max. Fuse size (time delay) (A)
Min. Circuit Ampacity
Fan motor (F.L.A)
(R.L.A)
Compressor
(L.R.A)
Indoor unit-Remote controller: (Wireless)
Control voltage
Indoor unit-Outdoor unit: DC12-24V(Polar)
Note:
If the indoor unit is powered from the outdoor unit, a disconnect switch may need to be installed to
power supply circuit (between indoor and outdoor unit) depending on local code.
4
MSZ-A12NA
MSZ-A15NA
208/230, 1, 60
1.0
1.0
0.76
0.76
MXZ-2A20NA
208/230, 1, 60
20
15
0.96
10.1
15