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Leaving-ON prevention control
[Function]
This function controls the indoor units individually. It is connected with cable to the control P.C. board of
the indoor unit.
In a group control, it is connected with cable to the indoor unit (Control P.C. board), and the CODE No. 2E
is set to the connected indoor unit.
It is used when the start operation from outside if unnecessary but the stop operation is necessary.
Using a card switch box, card lock, etc, the forgotten-OFF of the indoor unit can be protected.
When inserting a card, start/stop operation from the remote controller is allowed.
When taking out a card, the system stops if the indoor unit is operating and start/stop operation from the
remote controller is forbidden.
1. Control items
1) Outside contact ON : The start/stop operation from the remote controller is allowed.
2) Outside contact OFF : If the indoor unit is operating, it is stopped forcedly.
* When the card switch box does not perform the above contact operation, convert it using a relay with b
contact.
2. Operation
Handle the wired remote controller switch in the following procedure.
* Use the wired remote controller switch during stop of the system.
1
Push concurrently
2
Using the setup temp
3
Using the timer time
4
SET
Push
button.
5
TEST
Push
button. (The status returns to the usual stop status.)
3. Wiring
Indoor control P.C. board
Power peak-cut from indoor unit
When the relay is turned on, a forced thermo. OFF operation starts.
Application control kit (TCB-PCDM4UL) is necessary.
Please refer to the manual of Application control kit for a detailed setting.
(Status that card is inserted in the card switch box)
(Start/Stop prohibited to remote controller)
(Status that card is taken out from the card switch box)
SET
CL
TEST
+
+
buttons for 4 seconds or more.
or
button, specify the CODE No.
or
button, set
Relay (procured locally)
CN61
1
1
T10
2
2
(YEL)
3
3
4
4
5
5
6
6
Note) Determine the cable length between the indoor control P.C. board and the relay within 79" (2m)
.
to the setup data.
Power supply
Outside contact (Card switch box, etc: Procured locally)
- 41 -
* In the figure, the contact indicates
a status that the card is taken out.
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