Specifications

129
RB unit
Ceiling
RB unit (single type)
Flexible piping connection
A more flexible refrigerant piping work is
possible by the use of various piping and RB
Unit connections, for adjustments to the floor
layout and building structure.
Flexible installation of RB unit
Easy Installation & Maintenance
•2-way connection
•Up to 2 units can be
connected in series.
• Small & slim design saves space
• A drain pipe is not required
• The control box position can be changed to meet the installation
conditions
• Small design saves space
• A drain pipe is not required
• Simple installation series connection design
Installation possible from either
side for freedom of the control box
Installation possible on the
upper-side for use in narrow space
RB unit (multi type)
Height
198 mm
• The RB unit can be freely positioned between the first branch and the indoor unit.
• The maximum height difference between RB units is 15 m.
*2. RB Unit is not necessary for cooling only use.
RB Unit
(Multi type)
Max. 8 indoor unit
indoor units
Max.3 or 8
Separation tube
Single
connection
Group
connection
&
Single
connection
Group
connection
Individual
cooling and
heating
Application
Simultaneous
cooling and heating
Individual
cooling and heating
Simultaneous
cooling and heating
Cooling
only
RB Unit less
connection*
2
RB Unit
(Single type)
• Maintenance can be
performed from the side.
• Electrics box can be
temporarily fixed by sliding
down.
• Parts can be replaced easily even at narrow
space in the ceiling.
Easy to maintenance in a narrow space