Toshiba Carrier MMY-MAP0726FT9P-UL Installation Manual page 8

Discharge side gas piping / Liquid piping
▼ Figure 1
Correct
Header unit
A
Follower unit
B
Follower unit
C
Suction side gas piping
▼ Figure 3
Correct
Header unit
A
Follower unit
B
Follower unit
C
• When attaching a Y-shaped branch unit for the outdoor unit connection piping kit, attach it level with the
ground (Be sure not to exceed ±15 degrees.). Regarding a T-shape branch joints for the liquid side, there is no
restriction for its angle.
(Horizontal line)
Within ±15 degrees
A
(A arrow view)
B
• In case of using the Y-shaped branching joint for connecting between
outdoor units (Discharge gas joint and Suction gas joint), please keep
the straight part of at least 19.7" (500mm) at the inlet.
13-EN
▼ Figure 2
Incorrect
Header unit
A
Follower unit
B
Follower unit
C
Incorrect
To the indoor unit
[Inverse connection of a gas-side branch unit]
▼ Figure 4
Incorrect
Header unit
A
Follower unit
B
Follower unit
C
To gas-side branch unit
At a level position
(Horizontal line)
Within ±15
degrees
(B arrow view)
– 7 –
When drawing pipes downward
▼ Figure 5
Incorrect
Header unit
A
Suction gas joint
▼ Figure 6
Correct
Header unit
A
Do not connect
a branch unit
vertically.
Follower unit
B
A view
Suction gas joint
Unit
Vertical line
A
[Vertical connection of branch units]
▼ Figure 7
Incorrect
Follower unit
B
Follower unit
C
To gas-side
branch unit
To gas-side
branch unit
14-EN