Toshiba MMY-SUG0801MT8P-E Installation Manual page 39

Allowable length of refrigerant pipes and allowable height difference between units
Heat pump
Main piping L1
First branching
L3
Height difference
between outdoor
and indoor units
H1
75-EN
Outdoor unit
Branching header
Branching pipe L2
a b c
Indoor unit
Farthest piping length L
The longest piping length from the first branch Li
L6
L5
L4
L10
f g h
Y-shaped branching joint
L7
d e
i
j
– 38 –
Height difference
between indoor
units H2
EN
76-EN