Installation
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4.2.5 Example as 28 kW
(1). Selection the refrigerant pipe
Type of pipe
No.
Main pipe
(1) or (2) or (3)
Branch pipe
4—7
(2). Selection the dimension of main pipe
No.
Indoor units
below main pipe
Total kW of indoor units
below main pipe
A (kW)
Pipe dimension
(Gas/Liquid)
Branch joint
(1) main pipe
1#—4#
4x7.1 = 28.4 kW
22.4≤A<33.0
Φ
22.2 /
Φ
9.5
(2) main pipe
2#—4#
3x7.1 = 21.3 kW
16.8≤A<22.4
Φ
19.1 /
Φ
9.5
YDSA/FQ02
(3) main pipe
3#—4#
2x7.1 = 14.2 kW
A<16.8
Φ
15.9 /
Φ
9.5
YDSA/FQ01
(3) Selection the dimensions of branch pipe
Branch pipe
Pipe dimension (Gas/Liquid)
4-7
According to 4.2.4
(4) Selection connection method
Gas side
Liquid side
Outdoor unit
Welding
Welding
Indoor unit
Flaring nut
Flaring nut
Branch part( a—c )
Welding
Welding
Summary of Contents for R-410A
Page 103: ...Wall mount 102 Part 4 2 Wall Mounted...
Page 113: ...Wall mount 112 4 Dimensions 4 1 YDS 22 36EC 4 2 YDS 45 56EC...
Page 115: ...Wall mount 114 5 Piping Diagrams 5 1 YDS 22 56EC 5 2 YDS 22 56HC...
Page 116: ...Wall mount 115 6 Wiring diagrams 6 1 YDS 22 36EC 6 2 YDS 45 56EC...
Page 117: ...Wall mount 116 6 3 YDS 22 56HC...
Page 118: ...Wall mount 117 7 Sound level 7 1 Test condition 7 2 Noise spectrums YDS 22 36EC HC...
Page 119: ...Wall mount 118 YDS 45 56EC HC...
Page 120: ...Wall mount 119 8 Velocity temperature distribution Discharge angle 70...