Mitsubishi Heavy Industries FDT Series Technical Manual page 289

2-1 DIS-WA1
Supported combinations
Liquid branching pipe
Outdoor unit model Indoor unit model
3HP
1.5HP 1.5HP
2HP 2HP
Connecting pipe
4HP
( 9.52)
ID9.52
1.5HP 2.5HP
2.5HP 2.5HP
Flare joint
5HP
Connecting pipe
2HP 3HP
( 9.52)
ID9.52
ID9.52
3HP 3HP
Flare joint
6HP
Connecting pipe
2HP 4HP
( 9.52)
ID9.52
Note When connect the indoor unit of an old model that is shown in the model list,
use the joint supplied with the branch piping set like A
2-5. Triple type for same model/same capacity or different model/same capacity
When the difference in length of pipes after the branch is longer than 3 m and shorter than 10 m
Outdoor unit
Indoor unit
a
b
Gas branching pipe
ID12.7
Joint B
ID15.88
Joint B
Flare joint
ID12.7
( 6.35)
Joint A
A
ID12.7
ID12.7
Joint B
Joint B
ID15.88
ID15.88
CAUTION
Joint B
Reference
ID15.88
ID12.7
Joint A
A
Flare joint
ID12.7
( 6.35)
ID15.88
Joint B
ID15.88
ID15.88
Joint B
ID15.88
ID12.7
( 6.35)
ID12.7
Joint A
Joint B
ID15.88
CAUTION
ID15.88
Reference
ID9.52
ID9.52 ID15.88
ID15.88
ID9.52
ID15.88
( 6.35)
ID12.7
Joint A
Joint B
ID15.88
CAUTION
ID15.88
ID9.52 Reference
Indoor unit model Branching pipe
Outdoor unit model
6HP
2HP 2HP 2HP
8HP 3HP 3HP 3HP
2-2 DIS-WB1
Supported combinations
Outdoor unit model Indoor unit model
3HP 5HP
8HP
4HP 4HP
10HP 5HP 5HP
Applicable to the difference in length of pipes after the branch being less than 3 m
2-3 DIS-TA1
* Connection is not allowed when the difference in length of pipes is larger than 3 m.
Supported combinations
Outdoor unit model Indoor unit model
ID9.52
6HP 2HP 2HP 2HP
2-4 DIS-TB1 Applicable to the difference in length of pipes after the branch being less than 3 m
* Connection is not allowed when the difference in length of pipes is larger than 3 m.
Supported combinations
Outdoor unit model Indoor unit model
8HP 3HP 3HP 3HP
ID9.52
OLD Model list
model name
FDTA251R
FDENA251R
FDKNA251R
FDURA251R
FDUMA252R
Branching pipe set type Liquid branching pipe
Connecting pipe
a
( 9.52)
ID9.52
DIS-WA1
Connecting pipe
( 9.52)
ID9.52
b
a DIS-WB1 ID9.52
Joint C
b DIS-WA1
ID9.52
- 288 -
'12 • PAC-T-173
Liquid branching pipe Gas branching pipe
ID9.52
ID9.52
ID25.4
Joint C
ID9.52
ID9.52
ID12.7
ID25.4
ID9.52
Liquid branching pipe Gas branching pipe
Connecting pipe
Joint A
( 9.52)
Flare
joint
( 6.35)
ID15.88
Joint A
CAUTION Reference
Liquid branching pipe Gas branching pipe
ID9.52
ID25.4
Gas branching pipe
Flare joint
( 6.35)
ID12.7
Joint A
Joint B
ID15.88
CAUTION
ID15.88
ID9.52 Reference
Flare joint
( 6.35)
ID12.7
Joint A
Joint B
ID15.88
CAUTION
Joint B
Reference
ID12.7
Joint A
Flare joint
( 6.35)
ID15.88
ID9.52
ID25.4
ID9.52
ID15.88
ID9.52
ID15.88
ID15.88
ID9.52
ID15.88
ID15.88
ID15.88
ID15.88
ID15.88
ID12.7
ID15.88