Daikin VAM 1000EJ, Service Manual

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Si-93 Operation
Operation 9
4. Ventilation mode changeover: button
“ “ (Automatic) mode ...... The temperature sensor of the unit automatically changes the
ventilation of the unit in [Bypass] mode and [Heat Exchange] mode.
“ “ (Heat Exchange) mode ...... In this mode, the air passes through the heat exchange element
to effect [Total Heat Exchanging] ventilation.
“ “ (Bypass) mode ...... In this mode, the air does not pass through the heat exchange element
but bypasses it to effect [Bypass] ventilation.
5. Indication of operation control method:
When the operation of HRVs are linked with the air conditioners, this indication may be shown. While
the indication is shown, the ON/OFF of HRVs cannot be operated by the HRV remote controller.
6. Indication of operation standby:
It indicates the precooling/preheating operation. This unit is at stop and will start operation after the
precooling/preheating operation is over.
Precooling/preheating operation means the operation of HRVs is delayed during the startup operation
of linked air conditioners such as before the office hours. During this period the cooling or heating load
is reduced to bring the room temperature to the set temperature in a short time.
7. Indication of centralized control:
When a remote controller for air conditioners or devices for centralized control are connected to the
HRVs, this indication may show.
During this indication appears on the display, the ON/OFF and timer operation may not be possible with
the HRV remote controllers.
8. Indication of air filter cleaning
When the indication “ “ appears on the display, clean the filter.
9. Filter signal reset button
10. Inspection button
This button is to be used only for service. It is not to be used normally.
HOW TO OPERATE WITH TIMER
11. Push the button “ “ and select either one of “ “ or “ “ .
Each time the button is pushed, the indication changes as shown below.
12. Push the button
“ “
and set the time.
Each time when
“ “
is pushed, the time advances one hour.
Each time when
“ “
is pushed, the time goes back one hour.
13. Push the button
“ “
.
Then, the reservation is finished.
Either
“ “
or
“ “
changes from flashing to lighting.
After the reservation is finished, the remaining time is indicated in the display.
For cancelling the timer operation, push the button
“ “
once again.
The indication disappears.