Other Supporting Controls - Haier AU96NFTAHA Service Manual

8. Other supporting controls

(1) Forcing full opening function of indoor PMV
This function can make the PMV of indoor unit group force fully opening for 2 minutes through operation the
switch on the I/F PCB of outdoor unit.
[Operating method]
SW01 setting is "0", SW02 setting is "8"; press SW04 for over 2 seconds.(Afterward within 2 minutes, the display of nixie t
[Eliminating]
The PMV of indoor unit will automatically resume usual opening after 2 minutes. If the PMV is required to
maintain full opening, cut off the power supply of indoor unit within the time when the PMV is in full opening
(2 minutes).
(The indoor PMV full opening signal sent out by PCB of indoor unit to the outdoor unit is only allowed to
carry out for 2 minutes.)
(2) Function of outdoor PMV full opening and full closing
This function can make the PMV of outdoor unit force full opening or full closing for 2 minutes through operating
the switch on the I/F PCB of outdoor unit.
[Full opening]
Conduct short circuit for CN30 on the I/F PCB of outdoor unit
[Full closing]
Conduct short circuit for CN31 on the I/F PCB of outdoor unit
* Full opening, full closing will all resume usual opening after 2 minutes. The short circuit must be removed
after confirmation.
(3) The display of remote controller when the running HP of indoor unit is less than 0.8 HP.
When the total HP of the running indoor unit is below 0.8 HP, the outdoor unit will be in the state of not running.
In order to let you know the means of not running, the remote controller will display "standby".
* When the total HP of the running indoor unit is above 0.8 HP, this control will be eliminated and the normal
running will be resumed.
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