6
WIRING EXAMPLE
•
Fit the power supply wiring of each unit with a switch and fuse
as shown in figure 14.
1
Power supply
2
Main switch
3
Power supply wiring
4
Transmission wiring
5
Switch
6
Fuse
7
BS unit RSEYP only
8
Indoor unit
9
Remote controller
COMPLETE SYSTEM EXAMPLE (3 systems)
When using 1 remote controller for 1 indoor unit. (Normal
operation.) (see figure 15).
For group control or use with 2 remote controllers (see
figure 16).
When including BS unit (see figure 17).
1
Outdoor unit
2
Indoor unit
3
Remote controller (Optional accessories)
4
Most downstream indoor unit
5
For use with 2 remote controllers
6
BS unit
NOTE
•
It is not necessary to designate indoor unit address when
using group control. The address is automatically set when
the power is activated.
PRECAUTIONS
1. A single switch can be used to supply power to units on the
same system. However, branch switches and branch circuit
breakers must be selected carefully.
2. For a group control remote controller, choose the remote
controller that suits the indoor unit which has the most
functions.
3. Do not ground the equipment on gas pipes, water pipes,
lightning rods or crossground with telephones. Improper
grounding could result in electric shock.
Control by 2 Remote Controllers (Controlling 1 indoor
unit by 2 remote controllers)
•
When using 2 remote controllers, one must be set to "MAIN"
and the other to "SUB".
MAIN/SUB CHANGEOVER
1. Insert a wedge-head screwdriver into the recess between the
upper and lower part of the remote controller and, working
from the 2 positions, pry off the upper part. (see figure 18)
(The remote controller PC board is attached to the upper part
of the remote controller.)
2. Turn the main/sub changeover switch on one of the two
remote controller PC boards to "S". (see figure 19)
(Leave the switch of the other remote controller set to "M".)
1
Remote controller PC board
2
Factory setting
3
Only one remote controller needs to be changed
Computerised control (forced off and on/off operation)
1. Wire specifications and how to perform wiring.
•
Connect input from outside to terminals T1 and T2 of the
terminal board (remote controller to transmission wiring).
Wire specification
Sheathed vinyl cord or cable (2 wire)
Gauge
0.75-1.25mm
2
Length
Max. 100m
External terminal
Contact that can ensure the minimum applicable
load of 15V DC, 10mA
See figure 20
1
Input A
2. Actuation
•
The following table explains "forced off" and "on/off
operations" in response to input A.
Forced off
on/off operation
Input "on" stops operation
input off
➜
on: turns on the unit
(impossible by remote controllers)
Input "off" enables control
input on
➜
off: turns off the unit
(by remote controller)
3. How to select forced off and on/off operation
•
Turn the power on and then use the remote controller to
select operation.
•
Set the remote controller to the field set mode. For details,
refer to the chapter "How to set in the field", in the remote
controller manual.
•
When in the field set mode, select mode No. 12, then set
the first code (switch) No. to ´1´. Then set second code
(position) No. to ´01´ for forced off and to ´02´ for on/off
operation. (forced off at factory set.) (see figure 21)
1
Second code No.
2
Mode No.
3
First code No.
4
Field set mode
Centralized control
•
For centralized control, it is necessary to designate the group
No. For details, refer to the manual of each optional controller
for centralized control.
INSTALLATION OF THE DECORATION PANEL
Refer to the installation manual attached to the decoration panel.
After installing the decoration panel, ensure that there is no
space between the unit body and decoration panel.
TEST OPERATION
Refer to the installation manual of the outdoor unit.
•
The operation lamp of the remote controller will flash when an
error occurs. Check the error code on the liquid crystal display
to identify the trouble. An explanation of error codes and the
corresponding trouble is provided on "Caution for servicing"
sticker on the indoor units switch box.
PRECAUTIONS
In case something is wrong with the unit and it does not operate,
refer to the malfunction diagnosis label attached to the unit.
