Toshiba MMD-AP0726HP-UL Service Manual page 33

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 non-voltage normally open contact as an outside input signal.
• In a group control, the units are collectively operated and they cannot be individually operated.
1. Operation
Handle a wired remote control in the following procedure.
* Use the wired remote control during stop of 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
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
control are displayed successively.
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:
SET DATA
0000 0000 0000 0000 0000
0001 0001
0001 0001 0001
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
Pushing returns the status to the usual stop status.
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 79"(2m)
CL
SET
+ + buttons for 4 seconds or more.
button (left side of the button), the indoor unit numbers in group
or button, specify the CODE No.
or 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
31 31 31 31 31
Available
2
).
3
).
- 33 -
.
0000 0000
0000 0000 0000
)