Toshiba VN-M150HE Service Manual page 122

1) When switching the remote controller between invalid/valid from an external device
(locally procured)
(1), (2)
No voltage
a-contact
The remote controller is
inoperable when SW1 is
closed.
As these terminals are not used, insulate them.
SW1 [Remote controller Invalid: ON, Valid: OFF]
• For NRC-01HE (remote controller for the Air to Air Heat Exchanger), when one of the buttons below is
pressed, blinks and the operation is invalid.
* [ON/OFF] button
* [VENT] button
* [VENT MODE] button
* [VENT FAN] button
• For RBC-AMT32E, AMS41E (remote controller for the air conditioner), pressing the [ON/OFF] button has
no effect.
• When the remote controller is inoperable, the 24-hour ventilation mode and nighttime heat purge operation
are not available.
• If a command is sent to one of the units in the group, the invalid/valid setting of the remote controller in the
group can be switched.
2) When switching between low/high from an external device
(locally procured)
(1), (3)
No voltage
a-contact
Low is applied when SW2
is closed, and High when
it is open.
As these terminals are not used, insulate them.
SW2 [Low: ON, High: OFF]
• For NRC-01HE (remote controller for the Air to Air Heat Exchanger), the message on the display is
changed. However, when the air conditioner operates Air to Air Heat Exchanger system linked with air
conditioners, ventilation fan speed (Low/High) is changed though the ventilation amount is not shown on
the display.
• If a command is sent to one of the units in the group, all the Air to Air Heat Exchangers in the group operate
together.
• The latter operation of the remote controller or the external device overrides the former.
Remote ON/OFF Adapter NRB-1HE
SW1
Remote ON/OFF Adapter NRB-1HE
SW2
Green (1)
Yellow (2)
Red (3)
White (4)
Black (5)
2m
Green (1)
Yellow (2)
Red (3)
White (4)
Black (5)
2m
121
CN705
Control circuit board of the
Air to Air Heat Exchanger
CN705
Control circuit board of the
Air to Air Heat Exchanger