Daikin R410A Split Series User Manual

18
English
Pipe expanding method
Note:
Improper pipe expanding is the main cause of refrigerant leakage. Please expand
the pipe according to the following steps:
A: Cut the pipe
● Confirm the pipe length according to
the distance of indoor unit and
outdoor unit.
● Cut the required pipe with pipe cutter.
B: Remove the burrs
● Remove the burrs with shaper and
prevent the burrs from getting into
the pipe.
C: Put on suitable insulating pipe
D: Put on the union nut
● Remove the union nut on the indoor
connection pipe and outdoor valve;
install the union nut on the pipe.
pipe cutter
pipe
leaning uneven burr
pipe
shaper
downwards
union pipe
pipe
E: Expand the port
● Expand the port with expander.
Note:
● "A" is different according to the
diameter, please refer to the sheet
below:
F: Inspection
● Check the quality of expanding port.
If there is any blemish, expand the
port again according to the steps
above.
Outer diameter
(mm)
A(mm)
Max Min
Ø6 - 6.35(1/4") 1.3 0.7
Ø9.52(3/8") 1.6 1.0
Ø12 - 12.7(1/2") 1.8 1.0
Ø15.8 - 16(5/8") 2.4 2.2
expander
hard
mold
pipe
smooth surface
the length is equal
improper expanding
leaning damaged
surface
crack uneven
thickness

Daikin R410A Split Series Specifications

General

Refrigerant	R410A
Cooling Capacity	Varies by model
Heating Capacity	Varies by model
Energy Efficiency Ratio (EER)	Varies by model
Coefficient of Performance (COP)	Varies by model
Indoor Unit Noise Level	Varies by model
Outdoor Unit Noise Level	Varies by model
Indoor Unit Dimensions (HxWxD)	Varies by model
Outdoor Unit Dimensions (HxWxD)	Varies by model
Indoor Unit Weight	Varies by model
Outdoor Unit Weight	Varies by model