Panasonic U-72MF1U9 Technical Data Manual page 24

1. Model Selecting and Capacity Calculator
Check of limit density
WARNING
1-7. Check of limit density
When installing an air conditioner in a room, it is neces-
sary to ensure that if the refrigerant gas accidentally
leaks out, its density does not exceed the limit level for
that room.
CAUTION
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3
4
5
6
7
8
Always check the gas den-
sity limit for the room in
which the unit is installed.
Pay special attention to any
location, such as a basement,
etc., where leaking refrigerant
can accumulate, since refrig-
erant gas is heavier than air.
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Design of 3WAY VRF SYSTEM