Toshiba VN-M150HE Service Manual page 22

NO. Item
24-hour 1. 24-hour ventilation operation and setting
ventilation • By operating the [ON/OFF] and [VENT] buttons during operation of Air to Air
control
* The setting of 24-hour ventilation (Valid/Invalid) needs to be changed with
2. Setting the on/off ratio of 24-hour ventilation
• The on/off ratio complaint response mode can be changed with CODE No. (DN)
3. Changing the ventilation fan speed of 24-hour ventilation
• The setting of the ventilation fan speed of the 24-hour ventilation can be
4. In the Air to Air Heat Exchanger system, Air to Air Heat Exchangers stop if the
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[ON/OFF] button is pressed when they are running, and the system enters 24-
hour ventilation mode.
5. In the Air to Air Heat Exchanger system linked with air conditioners, Air to Air Heat
Exchangers and air conditioners stop if the [ON/OFF] button is pressed when they
are running, and the system enters 24-hour ventilation mode.
6. In the Air to Air Heat Exchanger system linked with air conditioners, Air to Air Heat
Exchangers stop if the [VENT] button is pressed when only the Air to Air Heat
Exchangers are running or when both the Air to Air Heat Exchangers and air
conditioners are running, and the system enters 24-hour ventilation mode.
* The setting of the single operation of the Air to Air Heat Exchanger needs to be
7. Operation during 24-hour ventilation
• During 24-hour ventilation, the ventilation fan speed and the ventilation mode
8. Stop of 24-hour ventilation
• From the NRC-01HE, 24-hour ventilation can be stopped temporarily by holding
• The "
Delayed 1. The delay setting needs to be changed with CODE No. (DN) [4B] of the DN setting
operation in the Air to Air Heat Exchanger system linked with air conditioners.
control After pressing the [ON/OFF] button, operation of the Air to Air Heat Exchanger is
delayed by [SET DATA of DN] × 10 minutes.
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* The delay time can be set between 10 and 60 minutes in the unit of 10 minutes.
* If the [VENT] button is pressed during single operation of Air to Air Heat
2. During delayed operation, "
Specification outline
Heat Exchangers, they stop operation and the system moves to 24-hour
ventilation (low): 60 minutes ON, 60 minutes OFF.
The ventilation mode is fixed to Heat Exchange.
CODE No. [49] of the DN setting.
0000: Invalid (factory default); 0001: Valid
[4A] of the DN setting.
0000: Normal; the air volume of ventilation: 1/2, fan is ON for 60 minutes and
OFF for 60 minutes (factory default).
0001–0059: the air volume of ventilation: Fan is ON for [SET DATA of DN]
minutes and OFF for [60-SET DATA of DN] minutes.
changed with CODE No. (DN) [47] of the DN setting.
0000: Operate with ventilation fan speed fixed to Low (factory default)
0001: Operate with the ventilation fan speed that was set before stop.
changed with CODE No. (DN) [31] of the DN setting. (Setting for the header air
conditioner)
0000: Invalid (factory default); 0001: Valid
cannot be changed, and they are not displayed.
the [VENT FAN] button down for four seconds when 24-hour ventilation is in
operation.
" display goes out.
0000: No delay (factory default)
0001–0006: Delay by [SET DATA of DN] × 10 minutes
Exchangers, delayed operation is not performed.
" lights up.
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Remarks
CODE No. (DN)
[47][31][49][4A]
• " " lights up
CODE No. (DN)
[4B]
• " " lights up.