En-16
Multiple connections
5. 4.
CAUTION
When connecting multiple (maximum 3) units, be sure to install the unit with the largest capacity nearest to the
•
indoor unit.
For example) AJ 126LALH (Outdoor Unit1) + AJ 126LALH (Outdoor Unit2) + AJ A90LALH (Outdoor Unit3)
When connecting multiple units, set the unit with the largest capacity as the master unit, and the rest as the slave units.
•
(Refer to 7. Field Setting)
When connecting multiple units, use the optional outdoor unit branch kit.
•
Out
door u
nit 1
(Master
unit)
To
ind
oor u
nit
Out
door u
nit 2
(Slave unit 1
)
Out
door u
nit 3
(Slave unit 2)
To indoor unit
(To main pipe)
Outdoor unit
branch kit
(Optional)
Liquid pipe
(Field supply)
Gas pipe (Field supply)
Joint pipe
(Accessory)
To outdoor unit
To outdoor unit
Restriction when install
Be sure following restriction.
Installation angle
1)
Outdoor unit branch kit
A
B
C
A
C
B
0 to -10
0 to -10
Horizontal
Vertical
To indoor unit
To outdoor unit
To outdoor unit
or next branch kit
No
good
No
good
No
good
No
good
OK
No good
No good
No good
OK
Install the outdoor unit branch kit horizontally, within 0° to -10°, so that the refrigerant separates evenly.
•
Do not install the outdoor unit branch kit vertically.
•
Straight pipe length
2)
To indoor unit
(To main pipe)
To indoor unit (To main pipe)
To outdoor unit
To outdoor unit
To outdoor unit
To outdoor unit
To outdoor
unit
0.5m or more
0.5m or more
Leave the distance 0.5m or more for straight part to outdoor unit branch kit.
•
For details, refer to the Installation Instruction Sheet of the outdoor unit branch kit.
3)
Outdoor Capacity
2 Unit : Unit1
>
=
Unit2
3 Unit : Unit1
>
=
Unit2
>
=
Unit3
9378945029-03_IM_EN.indb 16
9378945029-03_IM_EN.indb 16
2011-9-20 16:25:52
2011-9-20 16:25:52
