MirCli 9363073010, Refrigerant R407C Installation Manual
– 1 –
INSTALLATION MANUAL
Floor Console /
Under Ceiling Dual Type
This air conditioner uses new refrigerant HFC (R407C).
SPLIT TYPE AIR CONDITIONER
(PART NO. 9363073010)
(1) For the air conditioner to operate satisfactorily, install it as outlined in this
installation installation manual.
(2) Connect the indoor unit and outdoor unit with the air conditioner piping and cords
available standards parts.
This installation installation manual describes the correct connections using the
installation set available from our standard parts.
(3) Installation work must be performed in accordance with national wiring standards
by authorized personnel only.
(4) If refrigerant leaks while work is being carried out, ventilate the area.
If the refrigerant comes in contact with a flame, it produces a toxic gas.
(5) Never cut the power cord, lengthen or shorten the cord, or change the plug.
(6) Also, do not use an extension cord.
(7) Plug in the power cord plug firmly. If the receptacle is loose, repair it before using
the air conditioner .
(8) Do not turn on the power until all installation work is complete.
• Be careful not to scratch the air conditioner when handling it.
• After installation, explain correct operation to the customer , using the operating
manual.
• Let the customer keep this installation installation manual because it is used when
the air conditioner is serviced or moved.
For authorized service personnel only.
This mark indicates procedures which, if improperly performed, might lead to the
death or serious injury of the user.
This mark indicates procedures which, if improperly performed, might possibly result
in personal harm to the user, or damage to property.
WARNING!
CAUTION!
Refrigerant
R407C
SELECTING THE MOUNTING POSITION
– 2 –
(1) Do not install where there is the
danger of combustible gas leakage.
(2) Do not install the unit near a source
of heat, steam, or flammable gas.
(3) If children under 10 years old may
approach the unit, take preventive
measures so that they cannot reach
the unit.
Install at a place that can withstand the
weight of the indoor and outdoor units
and install positively so that the units
will not topple or fall.
Decide the mounting position with the customer as
follows:
INDOOR UNIT
(1) Install the indoor unit level on a strong wall, floor,
ceiling which is not subject to vibration.
(2) The inlet and outlet ports should not be obstructed :
the air should be able to blow all over the room.
(3) Install the unit near an electric outlet or special
branch circuit.
(4) Do not install the unit where it will be exposed to
direct sunlight.
(5) Install the unit where connection to the outdoor unit
is easy.
(6) Install the unit where the drain pipe can be easily
installed.
(7) Take servicing, etc. into consideration and leave the
spaces shown in Fig.1. Also install the unit where
the filter can be removed.
Fig. 1
Left Right
12" (30 cm)
or more
12" (30 cm)
or more
• Floor console
Ceiling
Left
Indoor unit
Right
• Under ceiling
6" (15 cm)
or more
12" (30 cm)
or more
Ceiling
3/4" (2 cm)
or more
– 3 –
Description Q’ty Application
STANDARD PARTS
CONNECTION PIPE REQUIREMENT
The following installation parts are furnished.
Use them as required.
1
1
2
1
1
4
4
4
2
6
1
1
Cover plate (left)
Cover plate (right)
Tapping screw (ø4 x 10)
Bracket (left)
Bracket (right)
Installation template
For suspending
the indoor unit
from ceiling
Name and Shape Q’ty Application
1
1
1
1
1
2
1
For positioning
the indoor unit
For under ceiling
type
INDOOR UNIT ACCESSORIES
OPTIONAL PARTS FOR INDOOR UNIT
Anchor bolt (M12)
Spring washer
Special nut
Wall bracket
For suspending
the indoor unit on
the wall
Tapping screw
(ø4 x 20)
For fixing the wall
bracket
Table 1
ELECTRICAL REQUIREMENT
Table 2
Diameter
2.5
1.5
MAX
MIN
Connection
cord (mm
2
)
Small Large
9.53 mm 15.88 mm
• Use 0.7 mm to 1.2 mm thick pipe.
• Use pipe with water-resistant heat insulation.
• Use pipe that can withstand a pressure of 3,040 kPa.
• Always use H07RN-F or equivalent as the connection cord.
• Install the disconnection device with a contact gap
of at least 3 mm nearby the units. (Both indoor unit
and outdoor unit)
Coupler heat insulation
(large)
Coupler heat insulation
(small)
For indoor side
pipe joint
(large pipe)
For indoor side
pipe joint
(small pipe)
Nylon fastener
Drain hose
For fixing the
drain hose
Insulation (drain hose)
Adhesive type
70 x 230
VT wire
For fixing the drain
hose L 280 mm
Indoor capillary tube
BR sheet
65 x 130 x T5
Description Part No. Application
9302812021
Joint pipe-A
For indoor side
pipe joint
1.
PREPARING INDOOR UNIT INSTALLATION
2. INDOOR UNIT INSTALLATION
INSTALLATION PROCEDURE
REMOVE THE INTAKE GRILLE
Open the intake grille and remove the three screws
(Fig. 2).
Remark : The main unit can be wired before the
indoor unit is installed. Select the most
appropriate installation order.
Install the air conditioner as follows:
Fig. 2
Tapping screw
Machine screw
Tapping screw
Intake grille
Fig. 3
Fig. 4
Drain hose
(left side)
Drain hose
(right side)
A. FLOOR CONSOLE TYPE
1. DRILLING FOR PIPING
Select piping and drain directions (Fig. 3).
The piping and drain can be made in three directions
as shown below.
The drain hose can be connected to either the left or
right side (Fig. 4).
2. INSTALLING DRAIN HOSE
INSTALL THE DRAIN HOSE
Select whether the drain hose will be connected to the
left or right side (Fig. 4).
Insert the drain hose into the drain pan, then secure
the drain hose with a nylon fastener (Fig. 7).
Wrap the insulation (drain hose) around the drain
hose connection (Fig. 8).
Fig. 7
Drain pan
Nylon fastener
Drain hose
Fig. 6
– 4 –
Fig. 5
Wall
4" (100 mm)
When the directions are selected, drill a 4” (10 cm) dia.
hole on the wall so that the hole is tilted downward
toward the outdoor for smooth water flow. When the
pipe is led out from the rear, make a hole in Fig. 5, at
the position shown.
When installing set to wall install the accessory wall
bracket at the position shown in Fig. 6, and mount the
set to it.
Indoor side
1/4" (6 mm)
Outdoor side
4" (10 cm) hole
2" (5 cm) hole
5" (12.5 cm) hole
4" (10 cm) hole
26" (65.5 cm)
21" (53 cm)
1-3/4" (4.5 cm)
2-1/2" (6.5 cm)
20" (50 cm)
39" (99 cm)
2-1/2" (6.5 cm)
9-5/8"
(24.5 cm)
Wall bracket
Side of set
Fig. 8
Drain pan
Insulation
(drain hose)
Drain hose
– 5 –
Do not install the unit so that the drain
hose side is too high. Height A should be
less than 5 mm (Fig. 10).
Be sure to arrange the drain hose so that it is leveled
lower than the drain hose connecting port of the
indoor unit.
Fig. 9
OK
NO
NO
Drain hose
Arrange the drain hose
lower than this portion
Fig. 10
Drain hose
A
A
BAD
BAD
When the directions are selected, drill 3-1/8” (80 mm)
and 2” (50 mm) or 6” (150 mm) dia. hole on the wall
so that the hole is tilted downward toward the outdoor
for smooth water flow.
Fig.11
35.4" (900 mm)
7-7/8"
(200 mm)
Installation
template
Install the drain hose at the rear; it
should not be installed on the top or
right side.
B. UNDER CEILING TYPE
Using the installation template, drill holes for piping
and anchor bolts (for holes) (Fig. 11).
2. DRILLING HOLES FOR ANCHOR BOLTS AND
INSTALLING THE ANCHOR BOLTS
With a concrete drill, drill four 1/2” (12.7 mm) dia.
holes (Fig. 14).
Insert the anchor bolts into the drilled holes, and drive
the pins completely into the anchor bolts with a
hammer (Fig. 15).
1. DRILLING FOR PIPING
Select piping and drain directions (Fig. 12).
Drilling position
for anchor bolt
Ceiling
Wall
Drilling position
for piping
Fig.13
Wall
1/4" (6 mm)
Indoor side
Outdoor side
Fig.14
ø1/2" (12.7 mm)
2-3/8" to 2-3/4"
(60 to 70 mm)
Fig.15
Fig.12
Top
Rear
(Install the drain hose
in this direction.)
Right
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