English
11
The remote controller PC board is attached to the upper
part of remote controller.
(2) Turn the MAIN/SUB changeover switch on one of the
two remote controller PC boards to “S”.
(Leave the switch of the other remote controller set to “M”.)
Wiring Method
(See
‘‘11. ELECTRIC WIRING WORK’’
)
(3) Remove the control box lid.
(4) Add remote controller 2 (SUB) to the terminal block for
remote controller (P
1
, P
2
) in the control box.
(There is no polarity.)
[ PRECAUTIONS ]
•
Crossover wiring is needed when using group control and
2 remote controllers at the same time.
•
Connect the indoor unit at the end of the crossover wire
(P
1
, P
2
) to remote controller 2 (SUB).
11-3 REMOTE CONTROL (FORCED OFF AND ON/
OFF OPERATION)
•
Connect input lines from the outside to the terminals T
1
and T
2
on the terminal block (6P) for remote controller to
achieve remote control.
•
See the
“13. FIELD SETTING AND TEST RUN”
for
details on operation.
11-4 CENTRALIZED CONTROL
•
For centralized control, it is necessary to designate the group
No. For details, refer to the manual of each optional control-
lers for centralized control.
12. FIELD SETTING AND TEST RUN
Field settings may have to be performed using the
remote controller, depending on the type of installation.
(1) Make sure the control box lids are closed on the indoor
and outdoor units.
(2) Depending on the type of installation, make the field
settings from the remote controller after the power is
turned on, following the “Field Settings” manual which
came with the remote controller.
•
The settings can select “Mode No.”, “FIRST CODE NO.”
and “SECOND CODE NO.”.
•
The “Field Settings” included with the remote controller
lists the order of the settings and method of operation.
•
Lastly, make sure the customer keeps the “Field Settings”
manual, along with the operating manual, in a safe place.
12-1 SETTING THE STATIC PRESSURE SELECTION
•
Select the SECOND CODE NO. for the resistance of the con-
nected duct.
(The SECOND CODE NO. is set to “01” when shipped.)
•
See the technical documentation for details.
12-2 REMOTE CONTROL SETTING
•
Forced off and ON/OFF operation should be selected by
selecting the SECOND CODE NO. as shown in the table
below.
(The SECOND CODE NO. is set to “01” when shipped.)
Upper part of
remote controller
Lower part of
remote controller
Insert the screwdriver here and gently work off the
upper part of remote controller.
Only one remote controller
needs to be changed if
factory settings have
remained untouched.
(Factory setting)
S
M
S
S
M
Remote controller
PC board
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
REMOTE
CONTRL
TRANSMISSION
WIRING
Remote
controller 1
(MAIN)
Remote
controller 2
(SUB)
Remote controller wiring
terminal block
Remote controller 2
(SUB)
Remote controller 1
(MAIN)
Crossover wire (P
1
.P
2
)
Max. No. of
indoor units
Indoor unit 2
Indoor unit 1
Wire specification
Sheathed vinyl cord or cable (2 wires)
Gauge
0.75 - 1.25 mm
2
Length
Max. 100 m
External terminal
Contact that can ensure the minimum applica-
ble load of 15 V DC, 1 mA.
External static
pressure
Mode No.
FIRST
CODE NO.
SECOND
CODE NO.
Standard
(10Pa)
13(23)
5
01
High static pres-
sure setting
(30Pa)
02
External ON/OFF input
Mode No.
FIRST
CODE NO.
SECOND
CODE NO.
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
REMOTE
CONTRL
TRANSMISSION
WIRING
Input A
SETTING
Mode No.
SECOND
CODE NO.
FIELD SET
MODE
FIRST
CODE NO.
