– 24 –
(Indoor unit A)
Refrigerant pipe
at liquid side
(Outer dia : ØA)
Refrigerant pipe
at liquid side
(Outer dia : ØC)
Refrigerant pipe
at gas side
(Outer dia : ØB)
Distributor
(Strainer incorporated)
Strainer
TCJ sensor
TC sensor
Air heat
exchanger
To outdoor unit
Branch pipe
(Indoor unit B)
Refrigerant pipe
at liquid side
(Outer dia : ØA)
Refrigerant pipe
at liquid side
(Outer dia : ØD)
Refrigerant pipe
at gas side
(Outer dia : ØB)
Distributor
(Strainer incorporated)
Strainer
TCJ sensor
TC sensor
To outdoor unit
Branch pipe
Air heat
exchanger
Heating
Cooling
(Indoor unit)
Refrigerant pipe
at liquid side
(Outer dia : ØB)
Refrigerant pipe
at gas side
(Outer dia : ØA)
Distributor
(Strainer incorporated)
Strainer
Heating
Cooling
TCJ sensor
TC sensor
Air heat
exchanger
To outdoor unit
To outdoor unit
3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM
3-1. Indoor 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
SM40 × 2
Branch pipe RBC-
TWP30E2
A
B
C
D
6.4
12.7
9.5
15.9
Dimension table
Capillary tube specifications
Indoor unit
SM40, 45, 56 type
SM80 type
Outer diameter of refrigerant pipe
Gas side ØA
Liquid side ØB
12.7
6.4
15.9
9.5
Model
RAV-SM
∗∗∗
UT
SM56 type
SM80 type
Inner dia. × Length × Q’ty
Ø2 × 250 × 2, Ø2 × 350 × 1
Ø2 × 700 × 1
Ø2 × 250 × 3, Ø2 × 500 × 1
Model
RAV-SM
∗∗∗
SDT
SM40, 45, 56 type
Inner dia. × Length × Q’ty
Ø2 × 200 × 2, Ø2 × 350 × 1