user manual

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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
SM56, 80 type
SM110, 140 type
Outer diameter of refrigerant pipe
Gas side ØA Liquid side ØB
12.7 6.4
15.9 9.5
Model AIU-
SM56 type
SM80 type
SM110, 140 type
Inner dia. × Length × Q’ty
Ø2 × 250 × 2, Ø2 × 350 × 1
Ø2 × 700 × 1
Ø2 × 250 × 3, Ø2 × 500 × 1
Ø2 × 200 × 1, Ø2 × 300 × 2
Ø2 × 350 × 2, Ø2 × 700 × 1
Dimension table Capillary tube specifications
Indoor unit
SM56 × 2
SM80 × 2
Branch pipe RBC-
TWP30E2
TWP50E2
ABCD
6.4 12.7 9.5 15.9
9.5 15.9 9.5 15.9
(Indoor unit)
Refrigerant pipe
at liquid side
(Outer dia : ØB)
Refrigerant pipe
at gas side
(Outer dia : ØA)
Distributor
(Strainer incorporated)
Strainer
TCJ sensor
TC sensor
Air heat
exchanger
To outdoor unit To outdoor unit
(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