Toshiba MMD-AP0724H2UL Service Manual page 34

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
UNIT LOUVER
Every pushing
displayed successively.
In this time, the fan of the selected indoor unit only turns on.
3
Using the temperature setup
4
Using the timer time
The setup data are as follows:
SET DATA
0000
0001
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.
TEST
2. Wiring
Relay (DC12V, procured locally)
Corresponds to the relay up
to one that the rated current
of the operation coil is approx. 75mA
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.
All manuals and user guides at all-guides.com
CL
+ + buttons for 4 seconds or more.
button(button at left side), the indoor unit numbers in group control are
/ button, specify the CODE No.
/ button, select the SET DATA. (At shipment:
Handling of operation of air to air heat exchanger or ventilating fan
Unavailable (At shipment)
Outside control
input of fan
To terminal
– 34 –
31
.
0000 0000
0000 0000 0000
Available
2
).
3
).
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.)
)