25
7
Cold mode
control
(continued)
8
Filter symbol
display
1. The indoor header unit’s cumulative hours of operation are counted, and when
they exceed the prescribed value, a filter replacement signal is sent to the remote
controller to display a filter symbol on the remote controller.
• The setting of the prescribed number of hours can be changed with CODE No.
(DN) [01] of the DN setting.
0000: None
0001: 150 hours
0002: 2,500 hours (factory default)
0003: 5,000 hours
0004: 10,000 hours
2. When a filter reset signal is received from the remote controller, the timer
measuring cumulative hours is cleared. If the prescribed number of hours has
been exceeded, the measurement time is reset with the symbol on the remote
controller display erased.
1) In the Air to Air Heat Exchanger system linked with air conditioners, the
cumulative time of operation of the indoor header unit is the representative of
the group.
* In the Air to Air Heat Exchanger system linked with air conditioners, the
cumulative time of 24-hour ventilation operation is not counted.
* In the Air to Air Heat Exchanger system linked with air conditioners, the
cumulative time of the nighttime heat purge operation is not counted.
2) In the Air to Air Heat Exchanger system, the cumulative operating time of the
exhausting fan of the Air to Air Heat Exchanger header unit is the representative
of the group.
* In the Air to Air Heat Exchanger system, the cumulative operating time of 24-
hour ventilation is counted.
3) When the degree of dirt of the filter is set, its time is half the standard time.
• The setting of the degree of dirt of the filter can be changed with CODE No. (DN)
[02] of the DN setting.
0000: Standard (factory default)
0001: High degree of dirt (half the standard time)
CODE No. (DN)
[01][02]
• “
” lights up
NO.
Item
Specification outline
Remarks
Zone A?
Y
N
Y
N
N
Y
N
Zone B?
Y
Operating
Present ventilation mode continues
Zone C
Heat Exchange
Heat Exchange
mode continues
OA
RA/10°C + 12.5°C
Heat Exchange Supplying fan
stops (OFF for 10 minutes and
ON for 60 minutes) Exhausting
fan runs continuously
Heat Exchange Supplying fan
stops (OFF for 60 minutes and
ON for 5 minutes) Exhausting
fan runs continuously
Heat Exchange Supplying fan
stops and Exhausting fan
stops (OFF for 60 minutes
and ON for 5 minutes)
DN [4D]
Exhausting fan runs:
0000
Summary of Contents for VN-M1000HE
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