ENGLISH
Performing leak test & insulation
Insulation
Pipes
"GUFSDIFDLJOHGPSHBTMFBLTJOUIFTZTUFNJOTVMBUFUIFQJQFIPTFBOE
cables. Then place the indoor unit on the installation plate.
1. To avoid condensation problems, place heat-resistant polyethylene foam
separately around each refrigerant pipe in the lower part of the indoor unit.
2. Wrap the refrigerant pipe and the drain hose in the rear of the indoor unit
with the absorbent pad.
X
Wind the pipe and hose three times to the end of the indoor unit with
the absorbent pad. [0.79 inch (20mm) interval]
3. Wind the pipe, assembly cable and drain hose with insulation tape.
4. Place the bundle (the pipe, assembly cable and drain hose) in the lower
part of the indoor unit carefully so it doesn’t project from the rear of the
indoor unit.
5.
)PPLUIFJOEPPSVOJUUPUIFJOTUBMMBUJPOQMBUFBOENPWFUIFVOJUUPUIF
right and left until it is securely in place.
6. Wrap the rest of the pipe with vinyl tape.
7.Attach the pipe to the wall using clamps (optional).
Installation
plate
Connecting wires
Connecting
pipes
Vinyl tape
Drain hose
X
-&",5&458*5)/*530(&/ CFGPSFPQFOJOHWBMWFT
*OPSEFSUPEFUFDUCBTJDSFGSJHFSBOUMFBLTCFGPSFSFDSFBUJOHUIFWBDVVNBOE
recirculating the R410A, it’s responsible of installer to pressurize the whole
system with nitrogen (using a pressure regulator) at a pressure above
4.1MPa (gauge).
X
-&",5&458*5)3" BGUFSPQFOJOHWBMWFT
#FGPSFPQFOJOHWBMWFTEJTDIBSHFBMMUIFOJUSPHFOJOUPUIFTZTUFNBOE
DSFBUFWBDVVN"GUFSPQFOJOHWBMWFTDIFDLMFBLTVTJOHBMFBLEFUFDUPSGPS
refrigerant R410A.
C
D
Leak test
t
Discharge all the nitrogen to create a vacuum and charge the
system.
Insulation
CAUTION
English-15