Panasonic ECOi 2 Way Manual de instalación Pagina 11

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WARNING
Always check the gas density
limit for the room in which the
unit is installed.
1-10. Check of Limit Density
When installing an air conditioner in a room, it is necessary to
ensure that even if the refrigerant gas accidentally leaks out, its
density does not exceed the limit level for that room.
15 to 30
B
A
B
A
Tube branching methods (horizontal use)
Arrow view
Horizontal
line
View as seen
from arrow
CAUTION
Pay special attention to any location,
such as a basement, etc., where leak-
ing refrigerant can accumulate, since
refrigerant gas is heavier than air.
1-11. Installing Distribution Joint
(1) Refer to “HOW TO ATTACH DISTRIBUTION JOINT” enclosed
with the optional distribution joint kit
(CZ-P680PJ1U, CZ-P1350PJ1U, CZ-P160BK1U,
CZ-P680BK1U, CZ-P1350BK1U).
(2) When creating a branch using a commercially available
T-joint (header joint system), orient the main tubing so that it is
either horizontal (level) or vertical. In order to prevent accumu-
lation 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 verti-
cal, 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 1.3 ft. of the distribution joint.)
If a trap or ball valve is not added, do not operate the sys-
tem 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.)
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