Toshiba Carrier MMU-AP0182H2UL Service Manual page 64

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.
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
Power peak-cut from indoor unit
When the relay is turned on, a forced thermostat-OFF operation starts.
(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 to the setup data.
0001
64
.
2E
2E