Toshiba MMK-AP0157HPUL Service Manual page 35

High wall types
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Leaving-ON prevention control (with Wired remote controller)
[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.
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
Push
SET
button.
5
Push
button. (The status returns to the usual stop status.)
TEST
3. Wiring
Indoor control P.C. board
Power peak-cut from indoor unit
When the relay is turned on, a forced thermostat-OFF operation starts.
• Wiring example
CN73
EXCT
(2P plug: RED)
Indoor control P.C. board
(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)
CL
+
+
buttons for 4 seconds or more.
SET
TEST
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)
Relay (procured locally)
1
1
2
2
Relay coil signal
2E 2E 2E 2E 2E
0001
0001
0001
0001
0001
to the setup data.
Power supply
Outside contact (Card switch box, etc: Procured locally)
Note) Determine the cable length between the indoor or
outdoor control P.C. board and the relay within 79"(2m)
- 35 -
.
* In the figure, the contact indicates
a status that the card is taken out.
2E

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