Giatsu GIA-MDI-12IX43R32 Installation Manual page 63

CAUTION
While connecting the wires, please strictly
•
follow the wiring diagram.
The refrigerant circuit can become very
•
hot. Keep the interconnection cable away
from the copper tube.
4. Clamp down the cable with the cable clamp.
The cable must not be loose or pull on the
u-lugs.
5. Reinstall the electric box cover .
Using the wire controller to set external
static pressure (some models)
You can use the unit's automatic air ow
•
adjustment function to set external static
pressure.
Automatic air ow adjustment is the volume
•
of blow-o air that has been automatically
adjusted to the quantity rated.
1. Make sure the test run is done with a dry
coil. If the coil is not dry, run the unit for 2
hours in FAN ONLY mode to dry the coil.
2. Check that both power supply wiring and
duct installation have been completed
Check that any closing dampers are open.
Check that the air lter is properly attached
to the air suction side passage of the unit.
3. If there is more than one air inlet and outlet,
adjust the dampers so that the air ow rate
of each air inlet and outlet conforms with
the designed air ow rate. Make sure the
unit is in FAN ONLY mode. Press and set
the air ow adjustment button on the
remote control to change the air ow rate
from H or L.
4. Set the parameters for automatic air ow
adjustment. When the air conditioning unit
is o , perform the follwoing steps:
- Press"COPY".
- Press "+" or "-" to select the AF.
- Press "CONFIRM". The air conditioning
unit will then start the fan for air ow
automatic adjustment.
ON will ash during when the
fan is on during automatic
air ow adjustment.
CAUTION
DO NOT adjust the dampers when
•
automatic air ow adjustment is active.
After 3 to 6 minutes, the air conditioning
unit stops operating once automatic air ow
adjustment has nished.
CAUTION
If there is no change after air ow
•
adjustment in the ventilation paths, be
sure to reset automatic air ow adjustment.
If there is no change to ventilation paths
•
after air ow adjustment,contact your
dealer, especially if this occurs after
testing the outdoor unit or if the unit has
been moved to a di erent location.
Do not use automatic air ow adjustment
•
with remote control,if you are using
booster fans, outdoor air processing unit,
or a HRV via duct.
If the ventilation paths have been
•
changed, reset air ow automatic
adjustment as described from step 3
onwards.
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