Toshiba MMK-AP0072H Service Manual page 33

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 SET +
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
sively.
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
Push SET 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
Pushing returns the status to the usual stop status.
(2) Wiring
Relay (DC12V, procured locally)
CN32
1 1
FAN DRIVE
2 2
(2P WHI)
Indoor control
P.C. board
Note) Determine the cable length between the
indoor control P.C. board and the relay within 2m.
+ buttons for 4 seconds or more.
CL
button, the indoor unit numbers in group control are displayed succes-
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
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
33
FILE NO. SVM-05052
!
.

)