Mitsubishi Electric City Multi PURY-M200YNW-A1 Data Book page 78

11. PIPING DESIGN
1. Refrigerant and water pipe size
(1) Refrigerant pipe between outdoor unit and HBC controller (Part A, A1, A2, and A3)
Use of one HBC controller
Unit model
Model name
PURY-(E)M200
PURY-(E)M250 CMB-WM108V-AA
CMB-WM1016V-AA
PURY-(E)M300
PURY-(E)M350
Use of two HBC controllers
Unit model
Model name
PURY-(E)M300
PURY-(E)M350
CMB-WM108V-AA
PURY-(E)M400
CMB-WM1016V-AA
PURY-(E)M450
PURY-(E)M500
(2) Water pipe between HBC controller and indoor units (Sections a, b, c, d, e, and g)
Indoor unit
W(P)10 - W(P)50
W(P)63 - W(P)125
*The diameter of HBC ports is 20A.
20A-to-32A increasers are required to connect the models of indoor units between W(P)63 and W(P)125 to HBC controller ports.
(3) Water pipe between HBC controller and Sub-HBC
Cold-water side
Hot-water side
(4) Refrigerant pipe between HBC controller and HBC controller
ø15.88 [5/8" ] (Brazed connection)
2. Connecting the HBC controller
(1) Size of the pipe that fits the standard HBC controller ports
(A)
(C)
(B)
(F)
(E) (E) (E)
(A) To outdoor unit
(B) End connection (brazing)
(C) Main-HBC controller
(D) Sub-HBC controller
(E) Indoor unit
(F) Twinning pipe (field supply)
(G) Up to three units for 1 branch hole; total capacity: below 80 (but same in cooling/heating mode)
MEES18K068
HBC controller
High pressure side Low pressure side
ø19.05 (Brazed)
ø15.88 (Brazed) ø22.2 (Brazed)
ø28.58 (Brazed)
Between outdoor unit and twinning pipe
High pressure side Low pressure side
ø22.2 (Brazed)
ø15.88 (Brazed)
ø28.58 (Brazed)
ø19.05 (Brazed)
Inlet pipe size
20A
32A
Inlet pipe size
20A
20A
Unit: mm [inch]
(D)
(E) (E) (E)
(G)
*1
HBC controller
Between twinning pipe and HBC
High pressure side
ø15.88 (Brazed) for
each HBC controller
Outlet pipe size
20A
32A
Outlet pipe size
20A
20A
(E) (E)
R2-Series
Low pressure side
ø19.05 (Brazed) for
each HBC controller
ø22.2 (Brazed) for
each HBC controller
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