7
Accessories
Please check if items below are included in installation accessories.
Name
Insulation
(for pipe)
Insulation
(for base)
Installation
manual
Pattern
sheet
Cable tie
Pipe socket
MCU-S1*
MCU-S2*
MCU-S4*
MCU-S6*
MCU-S8*
MCU-S12*
Shape
-
J Soundproof and soundproong materials
Name MXJ-YM1509M
Shape
Selecting the refrigerant pipe for installation
The design pressure of MCU for R-410A is about 4.1 MPa (594.6psi). For safe use of the product, please refer to the table below in
selecting the installation pipe.
Outer diameter Minimum thickness
Temper grade
mm inch mm inch
6.35 1/4 0.70 0.028
Annealed
9.52 3/8 0.70 0.028
12.70 1/2 0.80 0.031
15.88 5/8 1.00 0.039
19.05 3/4 0.90 0.035
Drawn
22.22 7/8 0.90 0.035
25.40 1 1.00 0.039
28.58 1 1/8 1.10 0.043
31.75 1 1/4 1.10 0.043
34.92 1 3/8 1.21 0.048
38.10 1 1/2 1.35 0.053
41.28 1 5/8 1.43 0.056
44.45 1 3/4 1.60 0.063
50.80 2 2.00 0.079
53.98 2 1/8 2.10 0.083
CAUTION
• For pipes larger than Ø 19.05mm(3/4"), drawn type (C1220T-1/2H or C1220T-H) type copper pipe must be used. If an
annealed type (C1220T-O) copper pipe is used, pipe may break due to its low pressure resistance and cause personal injury.
MISE EN GARDE
• Pour les tuyaux de diamètre supérieur à Ø 19,05mm (3/4"), du cuivre étiré (C1220T-1/2H ou C1220T-H) doit
être utilisé. Si du tuyau en cuivre recuit (C1220T-O) est utilisé, une rupture est possible compte tenu de sa faible
résistance à la pression, ce qui peut provoquer des blessures.
Preparing the installation
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