NO. Item Specification outline Remarks
Frequency
fixed
operation
(Test run)
14
<In case of wired remote controller>
1) When pushing [CHK] button for 4 seconds or more, [TEST] is displayed
on the display screen and the mode enters in Test run mode.
2) Push [ON/OFF] button.
3) Using [MODE] button, set the mode to [COOL] or [HEAT].
• Do not use other mode than [COOL]/[HEAT] mode.
• During test run operation, the temperature cannot be adjusted.
• An trouble is detected as usual.
• A frequency fixed operation is performed.
4) After the test run, push [ON/OFF] button to stop the operation.
(Display in the display part is same as the procedure in Item 1.)
5) Push [CHK] button to clear the test run mode.
([TEST] display in the display part disappears and the status returns
to the normal stop status.)
Command frequency
is approximately [S7]
Indoor PMV
Max.opening
15
1500 pls
Safety contact
( P10 )
16
1. “P10” is displayed in the following cases.
• If detection of “Safety contact is open” at least in one indoor unit.
• During the cooling dry (automatic cooling) operation, if the open is
detected, the thermostat is forcibly turned off and the check code is
displayed.
If the open is continued for 1 minute during the heating blowing
operation, the thermostat is forcibly turned off and the check code is
displayed after 5 minutes continuation.
If this contact is not
used, a bridge
connection should
be installed on the
terminals DI1 / *DI1.
External trouble
Input ( L30 )
17
1. “L30” is displayed in the following cases.
• Detection of “External trouble Input (terminal DI2 / *DI2)” at least in
one indoor unit.
• During the operation, if the short-circuit is detected, the thermostat is
forcibly turned off, and the check code is displayed after 1 minute
continuation.
• If the check code is confirmed, only the target indoor unit stops.
Fan trouble input is
opened at shipping.
18
Auxiliary
temperature
sensor
(Tx)
The following functions can be used by connecting the Optional Sensor
(TCB-IFDES1001P-E) (sold separately).
※
Prepare an Optional Sensor according to the intended use and
c
o
n
n
e
c
t
i
t
to
CN10
5
.
(1) Select the intended use of Tx.
DN [4A7] = 0000: Not used / 0001: TA sensor / 0002: TF sensor
(2) Select whether to use Tx as a substitute for the sensor selected in
DN [4A7] or as an average.
DN [4A8] = 0000: Use as an alternative.
0001: Example of averaging and using) TA'= (TA + TX) / 2
(3) The Tx sensor value is displayed on the DN [F5] of the remote
controller.
Auxiliary temperature
sensor trouble is
notified as a Notice
code.
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