16 Cassette Type Air Conditioner
Installation
• Preparation of Piping
Connecting
Pipes to the Indoor Unit
Main cause of gas leakage is defect in flaring
work. Carry out correct flaring work in the
following procedure.
1) Cut the pipes and the cable.
• Use the accessory piping kit or the pipes
purchased
locally.
• Measure the distance between the indoor and
the
outdoor unit.
• Cut the pipes a little longer than measured
distanc
e.
• Cut the cable 1.5m longer than the pipe
length.
2) Burrs removal
• Completely remove all burrs from the cut
cross
section of pipe/tube.
• Put the end of the copper tube/pipe to
downward direction as you remove burrs in
order
to avoid to let burrs drop in the tubing.
3) Putting nut on
• Remove flare nuts attached to indoor and
outdoor
units, than put them on pipe/tube
having completed burr removal.
(Not
possible to put them on after flaring
work)
4) Flaring work
• Carry out flaring work using flaring tool as
sh
own below.
Fi
rmly hold copper tube in a bar(or die) as
indicated
dimension in the table above.
5) Check
• Compare the flared work with figure below.
• If flare is noted to be defective, cut off the
flared
section and do flaring work again.
To Next Page
Loading...