Restrictions On Refrigerant Pipe Size - Mitsubishi Electric PURY-P200YLM-A(1) Service Handbook

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

Restrictions on Refrigerant Pipe Size

(1) Between outdoor unit and BC controller (Part A)
Outdoor units
(E)P200
(E)P250
(E)P300
(E)P350
(E)P400
(E)P450
(E)P500
(E)P550
(E)P600
(E)P650
(E)P700
(E)P750
(E)P800
(E)P850
(E)P900
(2) Between BC controller and indoor units (Sections a, b, c, d, e, and f)
Indoor unit
P15 - P50
P63 - P140
P200
P250
(3) Between the main and sub BC controllers (Section C)
Total capacity of downstream indoor
units
- P200
P201 - P300
P301 - P350
P351 - P400
P401 - P500
Select the proper size pipes for the main unit based on the total capacity of the indoor units that are connected to both sub
BC controllers. Select the proper size pipes for the sub controller side based on the total capacity of the indoor units that are
connected to the sub controller.
HWE1314A
High-pressure pipe Low-pressure pipe
ø15.88 [5/8"]
ø19.05 [3/4"]
ø19.05 [3/4"]
ø19.05 [3/4"]
ø22.2 [7/8"]
ø22.2 [7/8"]
ø22.2 [7/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
Liquid pipe
ø6.35 [1/4"]
ø9.52 [3/8"]
ø9.52 [3/8"]
ø9.52 [3/8"]
Liquid pipe High-pressure gas pipe
ø9.52 [3/8"]
ø9.52 [3/8"]
ø12.7 [1/2"]
ø12.7 [1/2"]
ø15.88 [5/8"]
- 59 -
Unit : mm [inch]
ø19.05 [3/4"]
ø22.2 [7/8"]
ø22.2 [7/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø28.58 [1-1/8"]
ø34.93 [1-3/8"]
ø34.93 [1-3/8"]
ø34.93 [1-3/8"]
ø41.28 [1-5/8"]
ø41.28 [1-5/8"]
Unit : mm [inch]
Gas pipe
ø12.7 [1/2"]
ø15.88 [5/8"]
ø19.05 [3/4"]
ø22.2 [7/8"]
Low-pressure gas pipe
ø15.88 [5/8"] ø19.05 [3/4"]
ø19.05 [3/4"]
ø19.05 [3/4"] ø28.58 [1-1/8"]
ø22.2 [7/8"] ø28.58 [1-1/8"]
ø22.2 [7/8"] ø28.58 [1-1/8"]
Unit : mm [inch]
ø22.2 [7/8"]
GB