(Indoor unit A)
Liquid side
(Outer dia : ØA)
Liquid side 
(Outer dia : ØC)
Gas side 
(Outer dia : ØB)
Distributor
(Strainer incorporated)
Strainer
TCJ sensor
TC sensor
Heat
exchanger
To outdoor unit
Branch pipe
(Indoor unit B)
Liquid side 
(Outer dia : ØA)
Liquid side 
(Outer dia : ØD)
Gas side 
(Outer dia : ØB)
Distributor
(Strainer incorporated)
Strainer
TCJ sensor
TC sensor
To outdoor unit
Branch pipe
Heat
exchanger
Heating
Cooling
(Indoor unit)
Liquid side
(Outer dia : ØB) 
Gas side
(Outer dia : ØA)
Distributor 
(Strainer incorporated)
Strainer
Heating
Cooling
TCJ sensor
TC sensor
Heat
exchanger
To outdoor unit
To outdoor unit
• Single type (Combination of 1 indoor unit and 1 outdoor unit)
• Twin type (Combination of 2 indoor units and 1 outdoor unit)
Indoor unit
HM56 × 2
Branch pipe
RBC-TWP30E2
ABCD
6.4 12.7 9.5 15.9
Dimension table
Indoor unit
HM40, HM56 type
Outer diameter of refrigerant pipe
Gas side ØA Liquid side ØB
12.7 6.4
HM80, 90,110
 140, 160 type
15.9 9.5
Capillary tube specifications
Model
RAV-HM∗∗∗CTP∗
HM40, HM56 type
HM80 type
HM901, 110, 
140, 160 type
Inner dia. × Length × Q’ty
Ø2 × 300 × 1, Ø2 × 350 × 1
Ø2 × 800 × 1
 300 
Ø2 × 400 × 1
Ø2 × × 1, Ø2 × 350 × 2
Ø2 × 150 × 1, Ø2 × 200 × 2
Ø2 × 250 × 1, Ø2 × 300 × 1
Ø2 × 350 × 1, Ø2 × 1000 × 1 
3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM
Indoor Unit