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Preliminary Site Survey
•
A place protected from rain, direct sunlight and well-ventilated wherever practicable.
•
A place capable of bearing the weight of the outdoor unit and isolating noise and vibration.
•
A place where there are no obstruction of air flow into or out the unit.
•
Do not put any object which may become obstacle for the air flow into or out the outdoor unit.
•
The location must not be susceptible to high concentration dust, oil, salt or sulfide gas.
•
Select the coolest possible place where intake air temperature is not greater than the outside air temperature (maximum
45°C).
Outdoor Unit Installation
•
Install the outdoor unit firmly and horizontally. Maintain a space clearance from the obstruction as shown in below for
servicing and air ventilation.
NOTE
If there is any obstacle higher than 2m, or if there is any obstruction at the upper part of the unit, please allow more space
than figure indicated at the above table.
Refrigerant piping is important in particular. Refrigeration cycle of the split air conditioner is realized
by the perfect piping work.
Piping Length And Elevation
If the piping is too long, both the capacity and reliability of unit will drop. As the number of bends increase, resistance to
flow of refrigerant system increases, thus lowering cooling capacity and as a result the compressor may become defective.
Always choose the shortest path and follow the recommendation as tabulated below.
Model
Indoor
Outdoor
Max. length (m)
Max. elevation (m)
Max. no. of bends
Liquid pipe size
Gas pipe size
NOTE
Be sure to add the proper amount of additional refrigerant, failure to do so may result in reduced performance.
Remark: The refrigerant pre-charged in the outdoor unit is for the piping length up to 7.5m.
All manuals and user guides at all-guides.com
INSTALLATION OF THE OUTDOOR UNIT
A
B
SL series
A
300
Min. distance, mm (in)
(11.8) (39.4) (11.8) (19.7)
REFRIGERANT PIPING WORK
(5)CK20E(R) (5)CK25E(R) (5)CK28E(R) (5)CK40E(R) (5)CK40E(R) (5)CK50E(R)
(5)SL20C(R) (5)SL25C(R) (5)SL28C(R) (5)SL35C(R) (5)SL40C(R) (5)SL50C(R)
15m
15m
8m
8m
10
10
1/4"
3/8"
5/8"
5/8"
1-10
C
D
B
C
D
1000
300
500
15m
45m
8m
25m
10
10
3/8"
3/8"
5/8"
3/4"
45m
45m
25m
25m
10
10
3/8"
3/8"
3/4"
3/4"
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