Mitsubishi Electric CMB-WM108V-AA Service Handbook page 70

[ II Restrictions ]
3) Use of one HBC controller
Unit model
PQRY-P200
Heat
PQRY-P250
source
Unit
PQRY-P300
side
PQRY-P350
4) Use of two HBC controllers
Unit model
PQRY-P300
PQRY-P350
Heat
source
PQRY-P400
Unit
side
PQRY-P450
PQRY-P500
*1. PQRY-P400YLM model or larger requires a connection of two main-HBC controllers in parallel.
(2) Water pipe between HBC controller and indoor units (Sections a, b, c, d, e, and g)
Total down-stream indoor unit capacity
W/WP/WL10–50
W/WP/WL51–125
* For other indoor units, refer to the indoor unit's DATA BOOK.
* The pipe diameter depends on the capacity of indoor units.
Refer to the indoor unit's DATA BOOK for details.
(3) Water pipe between Main-HBC and Sub-HBC controller (Section f)
Total down-stream indoor unit capacity
W/WP/WL10–100
W/WP/WL101–200
W/WP/WL201–300
W/WP/WL301–400
W/WP/WL401–500
W/WP/WL501–525
* The diameter of Main-HBC ports is O.D. 22.0 mm.
* The diameter of Sub-HBC ports is O.D. 22.0 mm (-AB model) or 28.0 mm (-BB model).
(4) Refrigerant pipe between HBC controller and HBC controller
ø15.88 [5/8"] (Brazed connection)
HWE1708A
Model name
(HBC CONTROLLER)
CMB-WM108V-AA
CMB-WM1016V-AA
Model name
(HBC CONTROLLER)
CMB-WM108V-AA
CMB-WM1016V-AA
Water inlet
O.D. 22 mm
Pipe size between Main-HBC and Sub-HBC controller
Unit : mm [inch]
HBC CONTROLLER
High pressure Low pressure
side
ø15.88
(Brazing) (Brazing)
ø19.05
(Brazing) (Brazing)
ø19.05
(Brazing) (Brazing)
ø22.2
(Brazing) (Brazing)
HBC CONTROLLER
Between outdoor unit and twin-
ing pipe
High pressure Low pressure
side
ø19.05
(Brazing) (Brazing)
*1
ø22.2
(Brazing) (Brazing)
ø22.2
(Brazing) (Brazing)
ø22.2
(Brazing) (Brazing)
ø22.2
(Brazing) (Brazing)
Connection size
Water outlet
O.D. 22 mm
I.D. ≥ 20.0 mm
I.D. ≥ 25.8 mm
I.D. ≥ 30.0 mm
I.D. ≥ 33.3 mm
I.D. ≥ 36.2 mm
I.D. ≥ 36.8 mm
- 61 -
side
ø19.05
ø22.2
ø22.2
ø28.58
Between twining pipe and HBC
High pressure
side side
ø15.88
ø22.2
(Brazing)
for each HBC
ø15.88
ø28.58
(Brazing)
for each HBC
ø15.88
ø28.58
(Brazing)
for each HBC
ø19.05
ø28.58
(Brazing)
for each HBC
ø19.05
ø28.58
(Brazing)
for each HBC
Pipe size
Water out
I.D. ≥ 20 mm
I.D. ≥ 30 mm
Low pressure
side
ø19.05
(Brazing)
for each HBC
ø19.05
(Brazing)
for each HBC
ø19.05
(Brazing)
for each HBC
ø22.2
(Brazing)
for each HBC
ø22.2
(Brazing)
for each HBC
Water return
I.D. ≥ 20 mm
I.D. ≥ 30 mm
GB