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Installation procedure for Twin type and Double twin type
CAUTION
• Do not mistake the direction of connection.
• Set the piping from the branch pipe to the indoor units to be the same length. (Max. difference: 8
m)
• Shorten the length of the piping after branching as much as possible. (Max. length: 20 m)
1.
Check the direction of connection.
Indoor unit
Indoor unit
Outdoor unit
2.
If the diameter of the connection piping is too large, use a pipe cutter to cut as shown below.
Cut in the center of the connections
locally purchased
• Always use a pipe cutter.
• After cutting, remove the burr and clean the cut section.
3.
Check the positioning of branch pipes.
If it is placed horizontally, keep it within ±15°. Otherwise, it will not separate the refrigerant
evenly, causing a reduction in performance.
t
i
n
u
r
o
o
d
n
i
o
t
+15°
-15°
- 203 -
3-4. Branch pipes
3. Pipe installation
SYSTEM
DESIGN
SYSTEM
DESIGN
Summary of Contents for AUYG18LVLB
Page 151: ...Part 2 OUTDOOR UNIT SIMULTANEOUS MULTI AOYG72LRLA AOYG90LRLA ...
Page 181: ...Part 3 SYSTEM DESIGN ...
Page 333: ...Part 4 OPTIONAL PARTS ...
