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Ventilating fan control from remote control
[Function]
• The start/stop operation can be operated from the wired remote control when air to air heat exchanger or
ventilating fan is installed in the system.
• The fan can be operated even if the indoor unit is not operating.
• Use a fan which can receive the no-voltage A contact as an outside input signal.
• In a group control, the units are collectively operated and they can not be individually operated.
1. Operation
Handle a wired remote control in the following procedure.
∗
Use the wired remote control when turning off the system.
∗
Be sure to set up the wired remote control to the header unit. (Same in group control)
∗
In a group control, if the wired remote control is set up to the header unit, both header and follower units
are simultaneously operable.
1
Push concurrently + + buttons for 4 seconds or more.
The unit No. displayed firstly indicates the header indoor unit address in the group control.
In this time, the fan of the selected indoor unit turns on.
2
Every pushing
UNIT LOUVER
button (button of left side), the indoor unit numbers in group control
are displayed successively.
In this time, the fan of the selected indoor unit only turns on.
3
Using the temperature setup
/
button, specify the CODE No.
31
31
31
31
31
.
4
Using the timer time
/
button, select the SET DATA. (At shipment:
0000
0000
0000
0000
0000
)
The setup data are as follows:
5
Push button. (OK if display goes on.)
• To change the selected indoor unit, go to the procedure
2
).
• To change the item to be set up, go to the procedure
3
).
6
Pushing returns the status to the usual stop status.
2. Wiring
SET DATA
0000
0001
Handling of operation of air to air heat exchanger or ventilating fan
Unavailable (At shipment)
Available
1
2
1
2
CN032
FAN DRIVE
(2P WHI)
Outside control
input of fan
To terminal
Relay (DC12V, procured locally)
Corresponds to the relay up
to one that the rated current
of the operation coil is approx. 16mA
Indoor control
P.C. board
Note)
Determine the cable length between the
indoor control P.C. board and the relay within 2m.
Correspond up to a relay in which rated current of the
operation coil is approx. 16mA (Does not correspond to a
terminal block type relay on the market.)
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