Refrigerant Piping - Toshiba RBC-TWP101E Installation Manual

Branch Kit 1:2
2

REFRIGERANT PIPING

 Tolerance of pipe length and Height difference
<RAV-SM2244AT8, SM2804AT8 series>
Pipe Length
(One Direction)
Height
Difference
* Ensure that the shortest pipe length complies with the following:
L + b ≥ 5 m
a ≥ b
EN
Indoor unit B
Outdoor unit
Full length (L + a or L + b)
Branch piping (a, b)
Difference of branch piping length
(b – a, or a – b)
Outdoor Unit -
Indoor Unit
(H)
Between Indoor Units (Δh)
Remarks
Indoor unit A
b
Branch Branch
piping piping
L
Outdoor Unit Installed
Above Indoor Unit
Outdoor Unit Installed
Below Indoor Unit
3
a
H
Main piping
Below 70 m
(actual length)
Below 20 m
(actual length)
Below 10 m
Below 30 m
Below 30 m
Below 0.5 m
Less than 10 bends