1-4
The location must be well-ventilated, so that the unit can
draw in and distribute plenty of air thus lowering the
temperature.
A place capable of bearing the weight of the outdoor unit as
well as isolating noise and vibration.
A place protected from the direct sunlight. Use an
awning for protection if necessary.
The installation location must not be susceptible to highly
concentrated dust, oil, salt or sulfide gas.
Note:- If the obstacle is higher than 2 m or if there is any
obstruction at the upper part of the unit allow more
space than indicated in the table above.
Return Air
Service
Access
Discharge
Air
Return Air
Obstacle
Obstacle
INSTALLATION OF THE OUTDOOR UNIT
The outdoor unit must be installed such that there is no short
circuit of the discharge air or obstruction to smooth air flow.
Respect the installation clearance. Select the coolest possible
place where intake air should not be higher than the outside
temperature (maximum 45°C).
Ensure that there are no obstruction of air flow into or out
of the unit. Remove obstacles which block air intake or
discharge.
Outdoor Unit SL Series Clearance (in mm)
REFRIGERANT PIPING
Maximum Pipe Length And Maximum Number Of
Bends
When the pipe length becomes too long, both the capacity
and reliability drop. As the number of bends increases,
system piping resistance to the refrigerant flow increases,
thus lowering the cooling capacity. As a result, compressor
reliability will be affected. Always choose the shortest path
and follow the recommendation as tabulated below:
Obstacle
Obstacle
300
1000
300
500
A
C
B
A
C
B
C
Model
10
15
20
25
28
Data
Maximum Length, A m (ft)
12
12
15
15
35
(39.4) (39.4) (49.2) (49.2) (114.8)
Maximum Elevation, B m (ft)
5
5
8
8
10
(16.4) (16.4) (26.2) (26.2) (32.8)
Maximum No. of Bends, C
10
10
10
10
10
Model
30
38
40
50
60
Data
Maximum Length, A m (ft)
35
35
35
35
35
(114.8) (114.8) (114.8)(114.8) (114.8)
Maximum Elevation, B m (ft)
10
10
10
10
10
(32.8) (32.8) (32.8) (32.8) (32.8)
Maximum No. of Bends, C
10
10
10
10
8
Remark
: For CC60C cooling unit, recommended to add
6 kg external accumulator.
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