Fujitsu AJ 126LELDH Series Design & Technical Manual page 1079

4. Install the duct.
a. Fasten the connecting parts of the ducts with bands, and wrap with vinyl tape to ensure
no air leaks. (Carry out the work to ensure no air leakage at a pressure of 200 Pa.)
NOTE: Do not construct the duct in the manner of below.
b. When using T-shaped pipe, suspend the kit with suspension bands for duct-use to avoid
unnecessary load bearing.
Completion figure
NOTE: When wiring of the duct fan is required, refer to
 Installation of Cassette grille
Pre-installation preparations:
1. Remove the control box cover.
2. Remove the connector from the existing temperature sensor on the circuit board of the indoor
unit.
4-way flow cassette type
CN8: White
8-4. Fresh air intake kit for Circular flow cassette type and 4-way flow cassette type
• Extreme bends
• Highly repetitive bends
• Making the connecting duct diameters smaller
Duct
(locally purchased)
T-shaped pipe (locally purchased) Fresh air intake kit
page 10-44.
- (10-49) -
Indoor unit
"Fresh air control output"
Circular flow cassette type
Temperature sensor holder
Bands for duct-use
(locally purchased)
on
CN8:
White
8. Optional parts installation