Mitsubishi Electric CITY MULTI CMB-WP108NU-AA Manual De Instalación página 5

Item
Between outdoor unit and HBC
controller (refrigerant pipework)
Pipe Lengths
Water pipework between indoor units
and HBC controller
Above outdoor unit
Between
indoor and
outdoor units
Below outdoor unit
Difference of
elevation
Between indoor units and
HBC controller
Between indoor units
Notes:
*1 Indoor units that are connected to the same branch joint cannot be
simultaneously operated in different operation modes.
2. CMB-WP108NU-AA + CMB-WP108NU-AB
(CMB-WP1016NU-AA) (CMB-WP1016NU-AB)
[Fig. 2.4.2]
A
B
A
2
H
B
A
1
G B
A
3
a
D
b
D
3. Installing the HBC controller
3.1. Checking the accessories with the HBC
controller
The following items are supplied with each HBC controller.
Item
1 Installation manual
2 Wrench
Item
1 Installation manual
3.2. Installing HBC controllers
Installing hanging bolts
Install locally procured hanging bolts (threaded rod) following the procedure given in
the figure. The hanging bolt size is ø10 mm [13/32 in] (M10 screw).
To hang the unit, use a lifting machine to lift and pass it through the hanging bolts.
The suspension bracket has an oval hole. Use a large diameter washer.
[Fig. 3.2.1]
14 [9/16]
A
B
<Top view>
1
1 Hanging method
A: Min.30 mm [1-3/16 in]
A Hanging bolt ø10 mm [13/32 in] (field supply)
(Unit: m [ft])
Piping
Allowable value
portion
A 110 [360] or less
f + g 60 [196] or less
H 50 [164] or less
H1 40 [131] or less
h1 15 [49] or less
h2 15 [49] or less
D
I
C
f
N
c
g
d e
D D
J
D
Model name
CMB-WP108NU-AA
CMB-WP1016NU-AA
Qty
1
1
Model name
CMB-WP108NU-AB
CMB-WP1016NU-AB
Qty
1
(Unit: mm [in])
B Washer (field supply)
A Outdoor unit
C Sub-HBC controller
E Less than H=50 m [164 ft] (when the outdoor unit is higher than the indoor unit)
F Less than H1=40 m [131 ft] (when the outdoor unit is lower than the indoor unit)
G Twinning pipe (field supply)
H Less than 110 m [360 ft]
J Up to three units for 1 branch port
Total capacity: less than 30 (but in same mode, cooling/heating)
K Less than 15 m [49 ft]
M Less than 15 m [49 ft]
Item
Between outdoor unit and
HBC controller (refrigerant pipe-
work)
Pipe
Lengths Water pipework between indoor
units and HBC controller
Between HBC controllers
Above outdoor
Between
unit
indoor and
Below outdoor
outdoor units
unit
Difference
of elevation Between indoor units and HBC
controller
Between indoor units
Between HBC controllers
Ⓐ
Ⓑ
<Ⓒ>
A Within 1.0º
B Drain socket
C Viewed from the front of the control box
D Viewed from the drain socket side
 Be sure to install the HBC controller horizontally. Check using a level. If
the controller is installed at an angle, drain water may leak out. If the unit
is slanted, loosen the fixing nuts on the hanging brackets to adjust its
position.
Install the HBC controller level (less than 1° tilt), so that the drain pan can
function correctly.
Caution:
• Be sure to install the unit horizontally.
Install the HBC controller level (less than 1° tilt), so that the drain pan can
function correctly.

Install the HBC controllers with the hanging length within 200 mm [7-7/8 in]
or shorter.
within 200 mm
[7-7/8 in]
HBC controller
B Main-HBC controller
D Indoor unit
I Less than 60 m [196 ft]
L Less than 15 m [49 ft]
N Branch joint (field supply)
(Unit: m [ft])
Piping portion Allowable value
A + A + A 110 [360] or less
1 2 3
f + g 60 [196] or less
B 40 [131] or less
H 50 [164] or less
H1 40 [131] or less
h1 15 [49] or less
h2 15 [49] or less
h3 15 [49] or less
Ⓐ Ⓐ
Ⓑ
Ⓑ
<Ⓓ>
Ceiling void
Ceiling
Ⓑ
5