Installing Distribution Joint; Tube Branching Methods (Horizontal Use); Type - Sanyo SPW-CR365GXH56 Technical Data Manual

2. System Design

2-13. Installing Distribution Joint

(1) Refer to "HOW TO ATTACH DISTRIBUTION
JOINT" enclosed with the optional distribution
joint kit (APR-RP160AG).
(2) In order to prevent accumulation of refrigerant oil in
stopped units, if the main tubing is horizontal then
each branch tubing length should be at an angle
that is greater than horizontal. If the main tubing is
vertical, provide a raised starting portion for each
branch.
(3) If there are height differences between indoor units
or if branch tubing that follows a distribution joint is
connected to only 1 unit, a trap or ball valve must
be added to that distribution joint. (When adding
the ball valve, locate it within 40 cm of the
distribution joint.)
(Consult with SANYO separately concerning the
ball valve.)
If a trap or ball valve is not added, do not operate
the system before repairs to a malfunctioning
unit are completed. (The refrigerant oil sent
through the tubing to the malfunctioning unit will
accumulate and may damage the compressor.)
Design of Mini ECO-i SYSTEM

Tube branching methods (horizontal use)

Types of vertical trap specifications
(When using ball valve)
Main tubing
Ball valve
(BV: purchased
separately)
Indoor unit (1)
(When not using ball valve)
Main tubing
Branch tubing is
directed upward.
Indoor unit is directed downward
2 - 21
B
Horizontal
A
A
line
B
View as seen
from arrow
Arrow view
Indoor unit (more than 2 units)
(If only 1 unit is connected, a ball
valve is also needed on this side.)
Horizontal
Indoor unit
(Each unit is
connected to tubing
that is either level or
is directed
More than
downward.)
20 cm
2