5
2. OUTDOOR UNIT INSTALLATION
2-1. 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.
• Do not use the drain socket and the drain cap in the cold region.
Drain may freeze and it makes the fan stop.
Fix here with
M10 bolts.
Make the setting
depth deeper.
Make with wider.
Anchor leg
25
(1)
or
less
Anchor both length
Anchor both pitch
[Unit: mm (inch)]
2-2. CONNECTING WIRES FOR OUTDOOR UNIT
• Be sure to use special circuits for room air conditioner.
• 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
MSZ-A12NA
MSZ-A15NA
MSZ-A17NA
MSZ-A24NA
Power supply (V, PHASE, Hz)
208/230, 1, 60
Min. Circuit Ampacity (A)
1.0
1.0
1.0
1.0
1.0
Fan motor (F.L.A)
0.76
0.76
0.76
0.76
0.76
OUTDOOR UNIT
MXZ-3A30NA
MXZ-4A36NA
Power supply (V, PHASE, Hz)
208/230, 1, 60
Max. Fuse size (time delay) (A)
20
20
Min. Circuit Ampacity (A)
15
19
Fan motor (F.L.A)
0.93
0.93
Compressor
(R.L.A)
11
14.4
(L.R.A)
15
15
Control voltage
Indoor unit-Remote controller : (Wireless)
Indoor unit-Outdoor unit : DC12-24V
Terminal block for power supply
Service panel
500
(19.69)
330
(13.00)
1) Remove the service panel.
2) Fix the conduit connector to conduit cover with lock nut then secure it
against unit with screws.
3) Fix the conduit cover to the outdoor unit then secure it with screws.
4) Connect power supply and indoor/outdoor connecting wire to the terminal
block.
(Leave some slack in wires to allow easier servicing.)
5) Close the service panel securely. Make sure that 3-2. PIPE CONNECTION
is completed.
Connecting order
• Connect the terminal block in order,
from the A, B and C unit side.
Power supply
Terminal block for
indoor/outdoor unit
4A36NA
SG79Y871H02.indb 5
9/7/2007 1:09:40 PM