Phau Ntawv Qhia
En-11
5.4. Optional parts cable binding
Connection cable
(power supply)
Remote controller cable
Cable tie (accessories)
To various
optional kits
• Do not bind the connection cable (power supply) and other cables together.
CAUTION
To protect the cable insulation after opening a knockout hole, remove any burrs from
the edge of the hole.
6. REMOTE CONTROL INSTALLATION
6.1. Group control
A number of indoor units can be operated at the same time using a single remote controller.
*When different types of indoor units (such as wall mounted type and cassette type,
cassette type and duct type, or other combinations) are connected using group control
system, some functions may no longer be available.
(1) Connect up to 16 indoor units in a system. (indoor unit to remote controller)
A
BCDE
I.U. I.U. I.U. I.U.
Remote
controller
A, B, C, D, E : Remote controller cable.
A+B+C+D+E ≤ 1,640 ft (500 m).
Example of wiring method
Y1 Y2
Y1
Y2
Y1
Y2
Y1
Y2
Y1
Y2
Indoor unit 1 Indoor unit 2 Indoor unit 3 Indoor unit 4
Remote controller cable
Remote controller cable
Remote controller
6.2. Multiple remote control
Up to 2 remote controllers can be used to operate the indoor units.
A
I.U.
AB
I.U.
Master Master Slave
A, B : Remote controller cable. (Refer to “2.6. Electrical requirement”.)
A ≤ 1,640 ft (500 m), A+B ≤ 1,640 ft (500 m)
•
The timer and self-diagnosis functions cannot be used on the secondary units.
(1) Wiring method (indoor unit to remote controller)
Y1
Y2
Y1 Y2
Y1 Y2
Remote con-
troller cable
Indoor unit
Remote controller
Secondary unit
Primary unit
7. FUNCTION SETTING
Perform the Function setting according to the installation conditions using the remote
controller.
CAUTION
• Confirm whether the wiring work for outdoor unit has been finished.
• Confirm that the cover for the electrical enclosure on the outdoor unit is in place.
• This procedure changes to the Function settings used to control the indoor unit
according to the installation conditions. Incorrect settings can cause the indoor unit to
malfunction.
• After the power is turned on, perform the Function setting according to the installation
conditions using the remote controller.
• The settings may be selected between the following two: Function number or setting
value.
• Settings will not be changed if invalid numbers or setting values are selected.
7.1. Function details
■
Filter sign
Select appropriate intervals for displaying the filter sign on the indoor unit according to the
estimated amount of dust in the air of the room.
If the indication is not required, select “No indication” (03).
(♦... Factory setting)
Function
number
Setting
value
Setting description
11
00 Standard (2500 hours)
01 Long interval (4400 hours)
02 Short interval (1250 hours)
03 No indication ♦
■
Ceiling height
Select the appropriate ceiling height according to the place of installation.
(♦... Factory setting)
Function
number
Setting
value
Setting description
20
00 Standard (8 ft (2.7 m))
♦
01 High ceiling (9 ft (3.0 m))
In case of Cassette type models:
The ceiling height values are for the 4-way outlet.
Do not change this setting in the 3-way outlet mode.