15
ENGLISH
WARNING
• Regulation for refrigerant leakage
: the amount of refrigerant leakage should satisfy the following
equation for human safety.
If the above equation can not be satisfied, then follow the follow-
ing steps.
• Selection of air conditioning system: select one of the next
- Installation of effective opening part
- Reconfirmation of Outdoor Unit capacity and piping length
- Reduction of the amount of refrigerant
- Installation of 2 or more security device (alarm for gas leakage)
• Change Indoor Unit type
: installation position should be over 2m from the floor (Wall
mounted type
’
Cassette type)
• Adoption of ventilation system
: choose ordinary ventilation system or building ventilation sys-
tem
• Limitation in piping work
: Prepare for earthquake and thermal stress
Gas pipe
Liquid pipe
Ⓐ
Manifold Gauge
Ⓑ
Low pressure side Handle
Ⓒ
High pressure side Handle
!
WARNING
• Pipe to be vacuumed : gas pipe, liquid pipe
• If the refrigerant amount is not exact, it may not operate
properly.
• If additionally bottled refrigerant amount is over 10%, condenser
burst or insufficient indoor unit performance may be caused.
!
Refrigerant charging
Volume of the room at which Indoor Unit of
the least capacity is installed
Total amount of refrigerant in the system
≤
0.44 (kg / m
3
)
- Ensure that the branch pipes are attached vertically.
Slave
Master
Header
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
1st
1st
1st
Main pipe
Distribution
2nd
2nd
3rd
3rd
Main pipe
Distribution
Slave
Master
1st
3rd
3rd main pipe distribution
2nd
Horizontal Distribution
Vertical Distribution
The others
Distribution Method
Summary of Contents for ARUN BTE4 Series
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