Restrictions On Refrigerant Pipe And Water Pipe Size - Mitsubishi Electric PURY-M200YNW-A1 Service Handbook

[2-10 Restrictions on Refrigerant Pipes ]
2-10-2

Restrictions on Refrigerant Pipe and Water Pipe Size

(1) Refrigerant pipe between outdoor unit and HBC (Part A)
Unit model
PURY-(E)M200
PURY-(E)M250
PURY-(E)M300
PURY-(E)M350
PURY-(E)M400
PURY-(E)M450
PURY-(E)M500
(2) Water pipe (Sections a, b, c, d, e, f, g, h and k)
Total down-stream indoor unit capacity
W/WP/WL10
W/WP/WL11 - W/WP/WL15
W/WP/WL16 - W/WP/WL25
W/WP/WL26 - W/WP/WL32
W/WP/WL33 - W/WP/WL50
W/WP/WL51 - W/WP/WL63
W/WP/WL64 - W/WP/WL80
W/WP/WL81 - W/WP/WL100
W/WP/WL101 - W/WP/WL150
W/WP/WL151 - W/WP/WL250
W/WP/WL251 - W/WP/WL300
W/WP/WL301 - W/WP/WL750
*1. When connecting CMB-WM108/1016V-AA and CMB-WM108/1016V-BB, refer to the installation manual for CMB-
WM108/1016V-AA about pipe size.
*2. Piping length from Main-HBC to the farthest indoor unit
30
- chapter 2
Model name High pressure side
ø15.88 (Brazing)
ø15.88 (Brazing)
(HBC)
CMB-WM350F-AA
ø15.88 (Brazing)
ø15.88 (Brazing)
ø19.05 (Brazing)
(HBC)
ø19.05 (Brazing)
CMB-WM500F-AA
ø19.05 (Brazing)
Max 20 m
I.D. ≥ 12 mm
I.D. ≥ 12 mm
I.D. ≥ 15.5 mm
I.D. ≥ 15.5 mm
I.D. ≥ 19.9 mm
I.D. ≥ 19.9 mm
I.D. ≥ 25.2 mm
I.D. ≥ 25.2 mm
I.D. ≥ 32.6 mm
I.D. ≥ 32.6 mm
I.D. ≥ 39.6 mm
I.D. ≥ 50.8 mm
HBC
Low pressure side
ø19.05 (Brazing)
ø22.2 (Brazing)
ø22.2 (Brazing)
ø28.58 (Brazing)
ø28.58 (Brazing)
ø28.58 (Brazing)
ø28.58 (Brazing)
Pipe size between Main-HBC and Sub-HBC
Pipe size between Main-HBC and indoor unit
Pipe size between Sub-HBC and indoor unit
*2
Max 40 m
I.D. ≥ 12 mm
I.D. ≥ 12 mm
I.D. ≥ 15.5 mm
I.D. ≥ 19.9 mm
I.D. ≥ 19.9 mm
I.D. ≥ 25.2 mm
I.D. ≥ 25.2 mm
I.D. ≥ 25.2 mm
I.D. ≥ 32.6 mm
I.D. ≥ 32.6 mm
I.D. ≥ 39.6 mm
I.D. ≥ 50.8 mm
*1
*1
*1
*2 *2
Max 60 m
I.D. ≥ 12 mm
I.D. ≥ 15.5 mm
I.D. ≥ 15.5 mm
I.D. ≥ 19.9 mm
I.D. ≥ 19.9 mm
I.D. ≥ 25.2 mm
I.D. ≥ 25.2 mm
I.D. ≥ 32.6 mm
I.D. ≥ 32.6 mm
I.D. ≥ 39.6 mm
I.D. ≥ 50.8 mm
I.D. ≥ 50.8 mm
BS_02_L