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[ 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
, P
) to remote controller 2 (SUB).
1
2
Indoor unit 1
Indoor unit 2
Crossover wire (P
Remote controller 1
(MAIN)
10-3 REMOTE CONTROL (FORCED OFF AND ON/
OFF OPERATION)
• Connect input lines from the outside to the terminals T
and T
on the terminal block (6P) for remote controller to
2
achieve remote control.
• See the "11. FIELD SETTING AND TEST RUN" for
details on operation.
REMOTE
TRANSMISSION
CONTRL
Wire specification
Sheathed vinyl cord or cable (2 wires)
Gauge
Length
Contact that can ensure the minimum applica-
External terminal
ble load of 15 V DC, 1 mA.
10-4 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.
11. 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 "Mode No.", "FIRST CODE NO." and
"SECOND CODE NO." can be selected.
• The "Field Settings" included with the remote controller
lists the order of the settings and method of operation.
SECOND
CODE NO.
FIRST
CODE NO.
SETTING
• Lastly, make sure the customer keeps the "Field Settings"
manual, along with the operating manual, in a safe place.
English
Max. No. of
indoor units
. P
)
1
2
Remote controller 2
(SUB)
FORCED
OFF
WIRING
Input A
2
0.75 - 1.25 mm
Max. 100 m
Mode No.
FIELD SET
MODE
11-1 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.
External static
pressure
Standard
(10Pa)
High static pres-
sure setting
(30Pa)
11-2 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.)
External ON/OFF input
1
Forced off
ON/OFF operation
• Input A of forced off and ON/OFF operation work as shown in
the table below.
Forced off
Input A "on" to force a stop
(remote controller reception prohibited)
Input A "off" to allow remote controller
11-3 SETTING THE FILTER SIGN DISPLAY INTERVAL
• Explain the following to the customer if the filter dirt settings
have been changed.
• The filter sign display time is set to 2500 hours
(equivalent to 1 year's use) when shipped.
• The settings can be changed not to display this value.
• When installing the unit in a dusty place, set the filter sign dis-
play time to shorter intervals (1,250 hours).
• Explain it to the customer that the filter needs to be cleaned
regularly to prevent clogging and also the time that is set.
Mode No.
0
1 (low/high)
10 (20)
3
FIRST
Mode No.
CODE NO.
13(23)
5
FIRST
Mode No.
CODE NO.
12(22)
1
ON/OFF operation
Unit operated by changing input A from
"off" to "on"
Unit stopped by changing input A from "on"
to "off"
FIRST CODE NO.
Filter dirt
Displayed time
(units: hours)
Filter sign
display
SECOND
CODE NO.
01
02
SECOND
CODE NO.
01
02
SECOND
CODE NO.
01
02
low
high
2500/
10000/
1250
5000
ON
OFF
13
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