Toshiba SUPER MMK-AP0073H (IN) Service Manual page 51

n Ventilating fan control from remote controller
[Function]
• The start/stop operation can be operated from the wired remote controller 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 controller in the following procedure.
* Use the wired remote controller during stop of the system.
* Be sure to set up the wired remote controller to the header unit. (Same in group control)
* In a group control, if the wired remote controller is set up to the header unit, both header and follower
units are simultaneously operable.
1
Push concurrently
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
UNIT LOUVER
Every pushing
In this time, the fan of the selected indoor unit only turns on.
3
Using the setup temp
4
Using the timer time
The setup data are as follows:
Setup data
5
SET
Push button. (OK if display goes on.)
• To change the selected indoor unit, go to the procedure
• To change the item to be set up, go to the procedure
6
TEST
Pushing returns the status to the usual stop status.
2. Wiring
CN32
FAN DRIVE
(2P WHI)
Indoor control
P .C. board
Note) Determine the cable length between the
indoor control P .C. board and the relay within 2m.
CL
SET TEST
+ + buttons for 4 seconds or more.
button, the indoor unit numbers in group control are displayed successively.
or button, specify the item code
or button, select the setup data. (At shipment:
Handling of operation of air to air heat exchanger or ventilating fan
Relay (DC12V, procured locally)
1 1
2 2
31
Unavailable (At shipment)
Available
2
).
3
).
Corresponds up to a relay
in which rated current of the
operation coil is approx. 75mA
Outside control
input of fan
To terminal
51
.
)