Installing The Hbc Controller; Checking The Accessories With The Hbc Controller; Installing Hbc Controllers - Mitsubishi Electric CITY MULTI CMB-WM108V-AA Manuel D'utilisation

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 following figure.
• The HBC controller(s) shall not be installed in a condition with certain floor
area and the refrigerant amount as shown in the figure below.
500
450
400
350
Installation "Good"
300
250
200
150
100
50
0
0 5 10
System refrigerant amount [kg]
(When installed in the ceiling of 1.8 meters high)
• Even when installing the unit that uses R32 refrigerant in a machine room,
observe the installation floor area and the installation height in the figure
above.

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
4 Installation manual
5 Air vent manual
6 Wrench
Item
1 Drain hose
2 Cable tie
3 Hose band
4 Installation manual
5 Air vent manual
Installation "NG"
15 20 25 30 35 40
Model name
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
Notes:
• 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.

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).
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] (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.
B Washer (field supply)
9