7
- 2
Mini ECO-i System
Remote Control Functions
1. Control System for Each Indoor Unit
7
1-1. Remote Control (Interface Cable Between the Indoor Unit and the Remote Monitor)
G
In the case of flexible control, operation is possible when the wiring is connected to any of the indoor units.
1-1-1. Control items
(1) Start/stop (input): . . . . . . . . . . . . . . . . . Starts and stops unit operation.
(2) Central/individual switching (input): . . . Selects central control (remote-controller prohibited)
or individual control (remote controller permitted).
(3) Operating signal (output): . . . . . . . . . . This signal is output during operation
(Not output when an alarm occurs.)
(4) Alarm signal (output): . . . . . . . . . . . . . . This signal is output when an alarm is active
(serial communications trouble, indoor/outdoor unit protection device).
1-1-2. Control content
T10-1 and T10-2: The current status is reversed each time an instantaneous
short-circuit (300 ms or longer) occurs. (If a relay circuit is
included, in general the short-circuit should be 500 ms or longer.)
(See more explanation below.)
T10-2 and T10-3:
T10-4 and T10-5:
T10-5 and T10-6:
When short-circuited, prohibits start/stop from the remote
controller.
When open, permits start/stop from the remote controller.
Operating signal output
Alarm signal output
(Explanation continued from above.)
This is set as a pulse signal at the time of shipping from the
factory. To use as a static signal, the following change must
be made.
Use nippers or a similar tool to cut the jumper JP001
on the indoor unit control PCB.
1
2
3
4
5
6
T10
(Yellow)
+12V
COM
COM
Start/stop
Remote controller
prohibit/permit
Operating
signal output
Alarm
signal output
T10-1 and T10-2
( indicates short-circuited pulse signal)
T10-4 and T10-5
( indicates output.)
ON
OFF
ON
300ms or more
Unit operating status
Operating
Operating
Stopped
Fig. 1
Fig. 2
06-408 Mini_ECOi_SM7 11/10/06 7:24 PM Page 2
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