Mitsubishi Electric City Multi PUMY-SP112VKM Technical & Service Manual page 32

7-3. REFRIGERANT SYSTEM DIAGRAM
PUMY-SP112VKM(R1).TH
PUMY-SP112YKM(R1).TH
PUMY-SP112VKM(R1).TH-BS PUMY-SP125VKM(R1).TH-BS PUMY-SP140VKM(R1).TH-BS
PUMY-SP112YKM(R1).TH-BS PUMY-SP125YKM(R1).TH-BS PUMY-SP140YKM(R1).TH-BS
Service port
Strainer
Refrigerant Gas pipe
Ball valve
Thermistor (TH2)
<HIC pipe>
Stop valve
Refrigerant
Liquid pipe
Service port
Capillary tube for oil separator : [2.5 o [0.6 o L1000
Refrigerant piping specifications <dimensions of flared connector>
Capacity
P15, P20, P25, P32, P40, P50
City multi
indoor unit
P63, P80, P100, P125, P140
Outdoor unit SP112, SP125, SP140
Note:
When connecting the CONNECTION KIT (PAC-LV11M-J) and an M-series indoor unit, refer to the installation manual for
the CONNECTION KIT.
OCH668B
PUMY-SP125VKM(R1).TH
PUMY-SP125YKM(R1).TH
4-way valve
Low pressure
sensor(63LS)
Solenoid
Check valve
valve
<Low pressure>
(SV1)
Thermistor (TH6)
<Suction pipe>
Accumulator
HIC
Strainer
LEV-B
Strainer
Item
The farthest piping length from the first joint [ 30 m [ 6.35 <1/4>
The farthest piping length from the first joint > 30 m [ 9.52 <3/8>
PUMY-SP140VKM(R1).TH
PUMY-SP140YKM(R1).TH
Check valve
<High pressure>
Oil separator
High pressure
sensor (63HS)
Strainer
Capillary High pressure
tube
switch (63H)
Thermistor (TH4)
<Compressor>
Compressor
Strainer
LEV-A
Refrigerant flow in cooling (Main)
Refrigerant flow in heating (Main)
Refrigerant flow in cooling (Sub)
Liquid piping
[9.52 <3/8>
[9.52 <3/8>
32
Thermistor (TH7)
<Ambient>
Distributor
Thermistor (TH3)
<Outdoor liquid pipe>
Strainer
Unit: mm <inch>
Gas piping
[12.7 <1/2>
[15.88 <5/8>
[15.88 <5/8>