38GL_M…G / 38YY(S)_M…G
GB - 4
Connections
햲
햳
햴
A / A1
A2
H
H
L1
L2
햴
A2
H
햵
B / B1
H
햶
B2
H
L3
L4
햲
햳
햶
햵
A / A
1
B / B1
B2
H
H
L1
L2
L3
L4
햴
A2
H
H
햲
Outdoor unit
햳
Indoor unit circuit A
햴
Indoor unit circuit A
햵
Indoor unit circuit B
햶
Indoor unit circuit B
Notes
1) When the indoor unit is as large as 009, use Ø 9,52 mm (3/8") pipes supplied with the flare tap adapter.
Important: do not connect the indoor unit size 012 to circuit B.
2) When the indoor unit is provided with a 15.87 mm (5/8") refrigerant connection, use Ø 12.70 mm pipes supplied with flare tap adapter.
3) All fittings are flare type.
4) Use only refrigeration grade pipes, (Cu DHP type according to ISO 1337), seamless, degreased, deoxidized and suitable for operating pressures of at
least 4200 kPa.
Under no circumstances must sanitary type annealed copper pipe be used.
Pipe diameter
Model
Liquid
Gas
38YY(S)
Indoor
(Liquid)
(Suction)
unit
mm
(inches)
mm
(inches)
2M18G
A
6.35
(1/4")
9.52
(3/8")
B
6.35
(1/4")
9.52
(3/8")
2M21G
A
6.35
(1/4")
9.52
(3/8")
B
6.35
(1/4")
12.70
(1/2")
2M24G
A
6.35
(1/4")
12.70
(1/2")
B
6.35
(1/4")
12.70
(1/2")
2M36G
A
6.35
(1/4")
12.70
(1/2")
B
6.35
(1/4")
12.70
(1/2")
2M48G
A
6.35
(1/4")
12.70
(1/2")
(note 2)
B
6.35
(1/4")
12.70
(1/2")
(note 2)
Pipe diameter
Model
Liquid
Gas
38GL
Indoor
(Liquid)
(Suction)
unit
mm
(inches)
mm
(inches)
2M12G
A1
6.35
(1/4")
9.52
(3/8")
A2
6.35
(1/4")
12.70
(1/2")
(note 1)
2M18G
A
6.35
(1/4")
9.52
(3/8")
B
6.35
(1/4")
9.52
(3/8")
2M24G
A
6.35
(1/4")
12.70
(1/2")
B
6.35
(1/4")
12.70
(1/2")
A1
6.35
(1/4")
9.52
(3/8")
3M21G
A2
6.35
(1/4")
12.70
(1/2")
(note 1)
B
6.35
(1/4")
9.52
(3/8")
A1
6.35
(1/4")
9.52
(3/8")
3M30G
A2
6.35
(1/4")
12.70
(1/2")
(note 1)
B
6.35
(1/4")
12.70
(1/2")
A1
6.35
(1/4")
9.52
(3/8")
4M24G
A2
6.35
(1/4")
12.70
(1/2")
(note 1)
B1
6.35
(1/4")
9.52
(3/8")
B2
6.35
(1/4")
12.70
(1/2")
(note 1)
2M36G
A
6.35
(1/4")
12.70
(1/2")
B
6.35
(1/4")
12.70
(1/2")
2M48G
A
6.35
(1/4")
12.70
(1/2")
(note 2)
B
6.35
(1/4")
12.70
(1/2")
(note 2)