7
- 3
Mini ECO-i System
Remote Control Functions
1. Control System for Each Indoor Unit
7
1. This cable includes the wiring from the indoor unit control PCB to the relay. The maximum wiring length is 2 m.
Lead wire with 6P plug (Service part: Part code/623 182 1650)
2. Do not use a relay which includes a built-in diode.
1-2. OFF-Reminder Control
[ Functions ]
G
This method is used to control the indoor units individually. Connect the wiring to the indoor unit control PCB.
G
For group control, connect the wiring to the indoor unit (control PCB), then set item code 2E at the indoor unit
where the wiring was connected.
G
This can be used when external start control is not necessary, but external stop control is needed.
G
If a card switch box, card lock, or similar device is used, this function can prevent cases in which the user forgets
to turn OFF the indoor unit.
•
When the card is inserted, start/stop control from the remote controller is permitted.
•
When the card is removed, the indoor unit stops if it is operating, and start/stop control from the remote
controller is prohibited.
1-2-1. Control items
(1) External contact ON:
Start/stop control from the remote controller is permitted.
(Card is inserted into the card switch box.)
(2) External contact OFF: Indoor unit is forced to stop if it is operating. (Control by remote controller is prohibited.)
(Card is removed from the card switch box.)
* If the card switch box does not allow the above contact operation, replace with a relay that includes a “b” contact.
1-2-2. Procedure
Perform the following steps from the wired remote controller. *Perform when unit is stopped.
(1) Press and hold the
(SET),
(CANCEL), and
(CHECK) buttons for 4 seconds or longer.
(2) Press the temperature setting
/
buttons and set item code
.
(3) Press the timer time
/
buttons and select 0001 for the setting data.
(4) Press the
(SET) button.
(5) Press the
(CHECK) button. (The remote controller returns to normal remote controller mode.)
NOTE
Fig. 3
1-1-3. Example of circuit wiring (using the operating signal for remote monitoring)
1
2
3
4
5
6
T10
(Yellow)
+12V
1
2
3
4
5
6
Max. 2m
Indoor unit control PCB
Relay (field supply)
To remote monitor
06-408 Mini_ECOi_SM7 11/10/06 7:24 PM Page 3
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