LG ARUM080LTE5 Engineering Product Data Book page 768

Multi V 5
1. Caution For Refrigerant Leaks
1.2.2 Calculate refrigerant concentration level
Calculate the volume of the room where indoor unit is installed as single room or the smallest room.
1. Without partition
2. With partition but opened which serve passage of air to adjoining room
3. With partition and without opening which serve as passage of air to adjoining room
 Calculate refrigerant concentration
Total amount of refrigerant
system (kg)
Volume of smallest room where
indoor unit is installed (m
Indoor unit
Indoor unit
Opening
Partition
Smallest
room
Maximum concentration
limit
(kg/m
(R410A)
Outdoor unit
Outdoor unit
In the case of opening
without door , or 0.15
% or more openings
(to floor space) both
above and below door)
Outdoor unit
Indoor unit
In case the result of calculation exceeds
the concentration limit, perform the
same calculations by shifting to the
second smallest, and the third smallest
rooms until at last the result is below the
concentration limit.
Special Guide
3