Installing The Hbc Controller; Checking The Accessories With The Hbc Controller; Installing Hbc Controllers - Mitsubishi Electric CITY MULTI CMB-WM108V-AA Installation Manual

Warning:
(When R32 refrigerant is used)
• Do not use means to accelerate the defrosting process or to clean, other
than those recommended by the manufacturer.
• The unit shall be stored in a room without continuously operating ignition
sources (for example: open flames, an operating gas appliance or
an operating electric heater.)
• Do not pierce or burn.
• Be aware that refrigerants may not contain an odour.
• The unit shall be installed, operated and stored in a room with a floor area
according to the following figure.
• When installing an HBC controller, take safety measures in accordance
with the European Standard, based on the system refrigerant amount and
the room volume as shown in the figure below. (The installation restrictions
can be simply found by using the flowchart provided on a separate sheet.)

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 Drain hose
2 Cable tie
3 Hose band
Installation manual
4
5 Air vent manual
6 Wrench
Item
1 Drain hose
2 Cable tie
3 Hose band
4 Installation manual
5 Air vent manual
Notes:
•
•

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 (M10 screw).
Model name
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.
CMB-WM108V-AA
CMB-WM1016V-AA
Qty
1
1
1 
1
1
1
Model name
CMB-WM108V-AB
CMB-WM1016V-AB •
Qty
1
1

1
1
1
80
NG (ISO 5149)
70
60
At least two safety
50
measures are
required.
40
30
20
10
0
0 50 100 150 200 250 300 350 400 450 500 550 600 650
Room volume [m
Refer to the outdoor unit manual about additional refrigerant amount of
HBC and maximum amount of system refrigerant.
Be sure to protect pipings from physical damage.
[Fig. 3.2.1] (P.3)
1 Hanging method
A: Min.30 mm
A Hanging bolt ø10 (field supply)
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 level (less than 1° tilt), so that the drain pan can function
correctly.
Caution:
Be sure to install the unit horizontally.
Install the HBC 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
HBC controller
At least one safety
measure is required.
Construction guidance
]
3
B Washer (field supply)
Ceiling void
Ceiling
9