Mitsubishi Electric PURY-WP-YJM-A Data Book page 198

3. Piping Design
3-2. Piping Design
3-2-1. Restrictions on pipe length
Note1. Group the indoor units that are connected to the same port.
OU
H H'
h1
Piping length limitation
Item
Distance between OU and HBC
Farthest IU from HBC controller
Height between OU and IU (OU above IU) H
Height between OU and IU (OU under IU)
Height between IU and HBC
Height between IU and IU
OU : Outdoor Unit ; IU : Indoor Unit ; HBC : HBC controller
A
HBC controller
a
IU
(WP20-WP50)
Piping in the figure
A
B+d
H'
h1
h2
SYSTEM DESIGN
IU
Joint
d
h2
B
c
IU
Max.3 units for 1 port.
Total capacity <= WP80
(m [ft.])
Max. length Max. equivalent
110 [360'] 130 [426']
60 [196'] 70 [229']
-
50 [164']
-
40 [131']
-
15 [49']
15 [49'] -
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