7
- 4
Mini ECO-i System
Remote Control Functions
1. Control System for Each Indoor Unit
7
1-2-3. Wiring
The maximum wiring length from the indoor unit control PCB to the relay is 2 m.
Lead wire with 6P plug (Service part: Part code/623 176 6814)
1
2
3
4
5
6
T10
(Yellow)
1
2
3
4
5
6
Indoor unit control PCB
Relay (field supply)
Power
External contact (surrounded by dotted line)
(card switch box or similar device – field supply)
The contacts in the figure
show the conditions
when the card is removed.
NOTE
1-3. Operating the ventilation fan from the remote controller
[ Functions ]
G
Total heat exchangers and ventilation fans can be installed in the system and can be started and stopped from
the wired remote controllers.
G
The ventilation fan can be operated even when the indoor unit is stopped.
G
Use a ventilation fan which can accept the no-voltage contact A as the external input signal.
G
In the case of group control, all fans will operate together. They cannot be operated individually.
1-3-1. Procedure
Perform the following steps from the wired remote controller. *Perform when unit is stopped.
* Be sure to set at the main unit in the case of group control.
* In the case of group control, when a main unit is set, then it becomes possible to operate both the main unit and
sub units at the same time.
(1) Press and hold the
(SET),
(CANCEL), and
(CHECK) buttons for 4 seconds or longer.
* The unit No. which appears first is the indoor unit address of the main unit for group control.
At this time, the fan at the selected indoor unit turns ON.
(2) Each time the
(UNIT) button is pressed, the display changes to the next indoor unit No. for group
control.
* At this time, the fan at the selected indoor unit turns ON.
(3) Press the temperature setting
/
buttons and set item code
.
(4) Press the timer time
/
buttons to select the setting.
(The setting is 0000 at the time of shipment.)
The setting data is as shown below.
Operation of the total heat exchanger or ventilation fan
Cannot be used (setting at time of shipment).
Can be used.
Setting data
0001
0000
06-408 Mini_ECOi_SM7 11/10/06 7:24 PM Page 4
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