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4. SELECTING AN INSTALLATION
LOCATION
4.1. Dimensions and Name of parts
Remote controller unit
Hole: 9 × 4.5
(3/8 × 3/16)
120 (4-3/4)
20.4 (13/16)
(a) (b) (c) (d)
(a) Room temperature sensor (inside)
(b) On/Off button:
It is possible to operate only while displaying the Monitor Mode screen.
(c) LED lamp (Operation indicator)
(d) Touch panel display
Monitor mode screen
The home screen of this unit. Ex-
cept for in the following cases, the
screen will return to this screen
if there is no operation for over
10 min. (Unsaved settings will be
cancelled.)
• In Emergency Stop.
• In Transferring data.
• In checking the indoor unit
position
• In Function Setting
(a) Set Temp.: Set the operating temperature. Refer to operating manual.
(b) R.C. Group name: Refer to 6.3.4.
(c) Mode: Set the operation mode. Refer to operating manual.
(d) Status icons: Refer to operating manual.
(e) Clock: Refer to 6.2.4.
(f) Fan: Set the fun speed. Refer to operating manual.
(g) Room Temp.: Refer to 4.2. and 6.3.5.
(h) Menu: Set the various settings.
(i) Status: Check the status of indoor unit and error.
For the screen display other than Chinese, this product uses a Bitmap font
made and developed by Ricoh Company, Ltd.
4.2. Setting the room temperature detection
location
As the temperature sensor of remote controller detects the temperature
near the wall, when there is a certain difference between the room
temperature and the wall temperature, the sensor will not detect the
room temperature correctly sometimes. Especially when the outer side
of the wall on which the sensor is positioned is exposed to the open air,
it is recommended to use the temperature sensor of the indoor unit to
detect the room temperature when the indoor and outdoor temperature
difference is signifi cant.
En-2
30 (1-3/16) 33 (1-5/16)
23
(7/8)
Hole: 12.5 × 4.5
Hole: 6 × 4.5
(1/2 × 3/16)
(1/4 × 3/16)
(a)
(b)
Office
Mode
Set Temp.
(d)
26.0
26.0
Cool
(c)
°C °C
Room Temp.
Status
(d)
CAUTION
The detection location of the room tempera-
ture can be selected from the following 2
methods. The temperature sensor of the
indoor unit or the remote controller can be
used to detect the room temperature.
Choose the detection location that is best for
the installation location.
Unit: mm (in)
If using the remote control sensor, setting is required. Refer to 6.3.5.
RC (Remote Controller) Sensor Setting.
4.3. Installation space
• Do not embed this remote controller in a wall.
• Recommendation installation height of the remote controller is 1.4 m (55
in) (from the fl oor surface to the bottom of the remote controller).
• Even when you install a remote controller to one of a switch box and the
surface of a wall, secure the space shown in following fi gure. When there
is insuffi cient space, there may be remote controller sensor misdetec-
tions and remote controller removal may be diffi cult.
(d)
(e)
Fri 10:00AM
Fan
(f)
Auto
* Please secure enough space where a fl at-blade screwdriver to take off a
case can be inserted.
(g)
26.0°C
26.0°C
(h)
Menu
5. INSTALLING THE REMOTE
(i)
CONTROLLER
Always use the accessories and specifi ed installation work parts. Check
the state of the installation parts. Not using the specifi ed parts will cause
units to fall off, water leakage, electric shock, fi re, etc.
Install at a place that can withstand the weight of the unit and install
fi rmly so that the unit will not topple or fall.
When installing this unit, make sure that there are no children nearby.
Otherwise, injury or electric shock could result.
Before starting installation work, turn off the power of this unit and the
connection destination. Do not turn on the power again until installation
is completed. Otherwise, it will cause electric shock or fi re.
Use the accessories or specifi ed connection cables. Do not modify con-
nection cables other than those specifi ed, do not use extension cords,
and do not use independent branch wiring. The allowable current will be
exceeded and cause electric shock or fi re.
Install the remote controller cables securely to the terminal block. Con-
fi rm that external force is not applied to the cable. Use remote controller
cables made of the specifi ed wire. If intermediate connection or inser-
tion fi xing are imperfect, it will cause electric shock, fi re, etc.
When connecting the remote controller cable, route the cables so that
the rear case of this unit is securely fi xed. If the rear case is imperfectly
fi xed, it may cause fi re or overheating of the terminals.
Perform functional earthing work positively. Do not connect the func-
tional earthing wire to a telephone earth (Ground) wire, water pipe, or
conductor rod.
Always fasten the cable sheath of the connection cable with the cable
tie. If the cable sheath is chafed, electric discharge may occur.
A sensor of the remote
controller (inside)
30 (2) or
more
30 (2)
or more
220 (9)
or more*
Unit: mm (in)
WARNING
A sensor of the indoor
unit (inside)
30 (2)
or more
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