Installation manual

38GL_M…G / 38YY(S)_M…G
R-410A
GB - 3
ENGLISH
Minimum clearances and connections
Connections
A
B
A
B
A
B
38YY2M18G
38YY(S)2M36G
38YY(S)2M48G
38YY2M21G
38YY2M24G
B
A
C
D
E
F
A
F
DE
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.
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.
2) All fittings are flare type.
3) 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.
38GL2M36G
38GL2M18G 38GL2M48G
Models 38GL2M24G 38YY2M21G
38GL3M21G 38YY2M24G
38GL4M24G
38YY(S)2M36G
38GL2M12G 38YY2M18G 38YY(S)2M48G
A mm 50 100 100
B mm 250 250 250
C mm 500 500 500
D mm 50 50 100
E mm 470 470 670
F mm 400 400 400
A
B
38GL2M36G
38GL2M48G
Connections
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 1)
B 6.35 (1/4") 12.70 (1/2")
(note 1)
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")
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 1)
B 6,35 (1/4") 12,70 (1/2")
(note1)
A
B
A2
B1
B2
A1
A1
A2
A1
A2
B
38GL2M12G
38GL2M18G
38GL2M24G
38GL3M21G 38GL4M24G