Toshiba
– 5 –
Fresh-air inlet box
Installation Manual
3
Installing the duct
• Perform the indentation ventilation on the Fresh-air
inlet box using the duct fan shown in the right figure.
CAUTION
• Confirm the processed outside air should be ranged
from 54°F to 86°F (12 to 30°C).
• Confirm the sound insulation chamber is installed.
4
Duct fan wiring
• The interlock wiring should be applied between the duct fan and the indoor unit ventilator.
Insert the connector to CN60 on the main P.C. board of the indoor unit and connect the duct fan driving relay
(DC12V).
The thick line (
) shows the connection circuit.
• After installing the duct, perform the test run to confirm whether the duct fan and the ventilation of the indoor
unit work starting or stopping at the same timing. (For the test run, following to the instructions described on
the indoor unit installation manual.)
Indoor unit
Fresh-air
chamber
Sound
insulation
chamber
Duct fan
Outside air filter
Processed
outside air
Fresh-air inlet box
CN60
Tighten the clamp with the (9)
wire and the remote control wire.
Draw the (9) wire in the same way
as remote controller wire. Pull out
an end of the wire from the indoor
unit frame.
Closed end connector
Closed end connector
Main control
P.C. board
MCC-1570
Duct fan drive relay
208/230V AC
Duct fan
(White)
RELAY
(9) Wire
5-EN
+00EH99678601_01EN_FreshAirInletBox-IM.book Page 5 Tuesday, December 8, 2009 2:03 PM
