35
7-3. REFRIGERANT SYSTEM DIAGRAM
PUMY-P112VKM3(-BS) PUMY-P125VKM3(-BS)
PUMY-P140VKM3(-BS)
PUMY-P112YKM3(-BS) PUMY-P125YKM3(-BS)
PUMY-P140YKM3(-BS)
PUMY-P112YKME3(-BS) PUMY-P125YKME3(-BS)
PUMY-P140YKME3(-BS)
LEV-A
LEV-B
HIC
Solenoid
valve (SV1)
High pressure
sensor (63HS)
High pressure
switch (63H)
Low pressure
sensor(63LS)
Oil separator
Service port
Strainer
Distributor
Compressor
Refrigerant piping specifications <dimensions of flared connector>
Capillary tube for oil separator :
[
2.5
o
[
0.8
o
L1000
Capacity
Item
Liquid piping
Gas piping
P15, P20, P25, P32, P40, P50
P63, P80, P100, P125, P140
P112, P125, P140
Indoor unit
Outdoor unit
[
6.35 <1/4>
[
9.52 <3/8>
[
9.52 <3/8>
[
12.7 <1/2>
[
15.88 <5/8>
[
15.88 <5/8>
Thermistor (TH4)
<Compressor>
Thermistor (TH7)
<Ambient>
<Outdoor liquid pipe>
Thermistor (TH3)
Unit: mm <in>
Ball valve
Strainer
Refrigerant Gas pipe
4-way valve
Check valve
<Low pressure>
Thermistor (TH6)
<Suction pipe>
Check valve
<High pressure>
Strainer
Strainer
Strainer
Strainer
Thermistor (TH2)
<HIC pipe>
Refrigerant
Liquid pipe
Stop valve
Service port
Capillary
tube
Accumulator
Strainer
Refrigerant flow in cooling
Refrigerant flow in heating
Note:
When connecting the CONNECTION KIT (PAC-LV11M-J) and an M-series indoor unit, refer to the installation manual for
the CONNECTION KIT.
OCH632A
