En-11
■
Connection cable
Control line
Connection
cable
Power line
Outdoor
unit
Earth (ground)
■
Remote controller cable
DIP switch
Print circuit board
(PCB)
2-wire type
White
Red
Remote
controller
cable
Remote controller
Factory setting “2 WIRE”
3-wire type
Black
White
Red
Remote
controller
cable
Remote controller
Connecting the
Optional parts
Set to “3 WIRE”
*Earth (Ground) the remote controller if it has a earth (ground) wire.
(2) After wiring is complete, secure the remote controller cable, connection cable, and
power supply cable with the cable clamps.
Connection cable
(to outdoor unit)
Remote controller
cable
Cable tie (medium)
(Accessory)
Control box
(3) Seal the cable outlet or other gaps with putty to prevent dew condensation or insect
from entering the electric control box.
(4) Replace the control box cover.
CAUTION
Do not bundle the remote controller cable, or wire the remote controller cable in parallel,
with the indoor unit connection wire (to the outdoor unit) and the power supply cable. It
may cause erroneous operation.
3. 9. Remote controller installation
To install and set the remote controller, refer to the installation manual of the remote
controller (wired type).
4. OPTIONAL INSTALLATION WORK
4. 1. Optional kit installation
WARNING
Regulation of cable differs from each locality, refer in accordance with local rules.
Y1 Y2 Y3 1 2Y1 Y2 Y3 1 2
Terminal
(External in)
CN8 (Remote sensor)
CN48
(IR receiver)
CN65
(External in/out PCB)
CN47
(External out)
This air conditioner can be connected with the following optional kits.
For details on how to install optional parts, refer to the installation manual included in each
item.
Connector No. Option type
CN48 IR Receiver (UTY-LBTM)
CN8 Remote sensor (UTY-XSZX)
CN47*1 Connect wire (UTY-XWZXZG)
CN65*2 External input and output PCB (UTY-XCSX)
*1:
For external output terminal setting, refer to Function No.60 in “6. FUNCTION SETTING”.
*2: Other options (WLAN adapter, converters, etc.) may be available by using the optional
External input and output PCB.
4. 2. External input and output
4. 2. 1. External input
• Indoor unit functions such as Operation/Stop or Forced stop can be done by using
indoor unit terminals.
• “Operation/Stop” mode or “Forced stop” mode can be selected with function setting of
indoor unit.
•
A twisted pair cable (22 AWG) should be used. Maximum length of cable is 150 m (492 ft.).
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• The wire connection should be separate from the power cable line.
Connected device
Terminal
● Dry contact terminal
When a power supply is unnecessary at the input device you want to connect, use the Dry
contact terminal.
*1
PCB
Terminal
(External in)
Connected device
*1: The switch can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
■
Operation behavior
● Input signal type
Edge
ON
OFF
When function setting is “Operation/Stop” mode 1.
Input signal Command
OFF → ON Operation
ON → OFF Stop
9381386215-01_IM.indb 119381386215-01_IM.indb 11 12/5/2018 2:57:36 PM12/5/2018 2:57:36 PM
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