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1-2. SELECTING
THE INSTALLATION
LOCATION
D • 0 "
Note:
Where airflow is not blocked.
In rooms where inverter type fluorescent
lamps are used,
Where cool air aspreads
over the entire room.
the signal from the wireless
remote controller
may not be
On a rigid wall to reduce the possibility of vibration,
received.
Where it is not exposed to direct sunlight.
Where it can be easily drained.
•
D ® • -
At a distance 3 ft. (1 m) or more away from a TV and
• Where it is not overly exposed to strong winds.
radio. Operation
of the air conditioner
may interfere
•
with radio or TV reception.
An amplifier
may be re-
•
quired for the affected device.
• In a place as far away as possible
from fluorescent
•
and incandescent
lights (so the infrared remote control
can operate the air conditioner
normally).
•
• Where the air filter can be removed and replaced easily.
•
Note:
Install the indoor unit high on the wall where air can dis-
°
tribute over the entire room.
"
•
•
"0
"
• Where it is convenient
to operate and easily visible.
• Where children cannot easily touch it.
• Select a position about 4 ft. (1.2 m) above the floor.
Check that signals from the remote controller from
that position are received by the indoor unit ('beep'
or 'beep beep' receiving tone sounds). Then, attach
remote controller
holder to a pillar or wall and install
wireless remote controller.
Where airflow is good and dustless.
Where
neighbours
are not annoyed
by operation
sound or hot air.
Where rigid wall or support is available
to prevent the
increase of operation sound or vibration.
Where there is no risk of combustible
gas leakage.
If installing the unit in a location high above the ground,
be sure to secure the unit legs.
Where it is at least 10 ft. (3 m) away from the antenna
of TV set or radio. Operation of the air conditioner
may
interfere with radio or TV reception in areas where re-
ception is weak. An amplifier
may be required for the
affected device.
Install the unit horizontally.
Please install it in an area not affected
by snowfall or
blowing snow. In areas with heavy snow, please install
a canopy, a pedestal and/or baffle boards.
Note:
•
It is advisable
to make a piping loop near outdoor unit
so as to reduce vibration.
•
For increased
efficiency,
install the outdoor
unit in a
location where continuous
direct sunlight or excessive
water can be avoided as much as possible.
Note:
When operating the air conditioner
in low outside tem-
3erature, be sure to follow the instructions
described
below.
•
Never install the outdoor unit in a place where its air
inlet/outlet side may be exposed directly to wind.
• To prevent
exposure
to wind,
install the outdoor
unit with its air inlet side facing the wall and a baffle
board on the air outlet side.
Avoid the following
places for installation where air
conditioner
trouble is liable to occur.
• Where flammable
gas could leak.
• Where there is an excessive amount of machine oil
in the air.
•
Salty places such as the seaside.
• Where
sulfide
gas is generated
such
as a hot
spring.
• Where there is high-frequency
or wireless equipment.
1=3. SPECIFICATIONS
1-3-1.
POWER
SUPPLY
AND
INDOOR/OUTDOOR
WiRE
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.
• Securely tighten screws.
Connecting
wires and the ground
wire
• Use solid conductor AWG14 or stranded conductor AWG14.
• Use double insulated copper wire with 600 V insulation.
• Use copper conductors
only.
• Follow local electrical codes.
Power supply
cable and ground
wire
• Use solid or stranded conductor AWG12.
• Use copper conductors
only.
• Follow local electrical codes.
Note:
When the indoor unit is powered from the outdoor unit, depending
on local code, a
disconnect
switch needs to be installed to a power supply circuit.
Electrical specifications
MODEL
MSY-D30NA
MSY-D36NA
MSZ-D30NA
MSZ-D36NA
Power supply
208/230,
1, 60
(V, PHASE, Hz)
Min. Circuit Ampacity
(A)
t.0
Fan motor (F.L.A.)
(A)
0.76
Power supply
(V, PHASE, Hz)
Max. Fuse size
(time delay)
(A)
Min. CircuitAmpacity
(A)
Fan motor (F.L.A.)
(A)
Compressor
(_
(A)
!(L.R.A)
(A)
Control voltage
208/230,
1, 60
25
21
0.93
t6
20
Indoor unit - Remote controller:
(Wireless)
Indoor unit - Outdoor unit: DC12-24 V (Polar)
1-3-2.
REFRIGERANT
PIPES
• To prevent condensation,
insulate the two refrigerant
pipes.
• Refrigerant
pipe bending radius must be 4 in. (100 mm) or more.
Z_ CAUTION
Be sure to use the insulation of specified thickness (table on the right). Excessive insula-
tion may cause incorrect installation of the indoor unit, and too little insulation may cause
condensate
to form.
• The unit has flared connections
on both indoor and outdoor sides.
• Remove the valve cover from the outdoor unit, then connect the pipe.
• Refrigerant
pipes are used to connect the indoor and outdoor units.
• Be careful not to crush or over bend the pipe in pipe bending.
• Refrigerant
adjustment...
If pipe length exceeds
25 ft. (7.5 m), additional
refrigerant
(R410A) charge is required.
(The outdoor unit is charged with refrigerant
for pipe length up to 25 ft. [7.5 m])
Pipe
For liquid
For gas
Outside
diameter
3/8 (9.52)
5/8 (15.88)
Minimum
wall thick-
ness
inch (mm)
0.0315 (0.8)
0.0394 (1.0)
Insulation
thickness
5/16(8)
5/16(8)
Insulation
material
Heat resistant foam
plastic 0.045 Specific
gravity
Limits
Pipe length
t00 ft. (30 m) max.
Height difference
50 ft. (15 m) max.
No. of bends
10 max.
Pipe length
Up to 25 ft. (7.5 m)
Exceeding 25 ft. (7.5 m)
No additional
charge is re-
quired.
Additional
charge is required.
(Refer to the table below.)
Refrigeran*
*o be added
t
NA t2900z
each
S ** '55 gJm
MSY-D30/36NA
1.08 oz. each 5 ft. (20 g/m)
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