OCH790 _120
10-2. Special function operation and settings for M-NET remote control-
ler
Refer to “Special function operation and settings” for setting details.
10-3. Refrigerant system diagram
LEV-A
LEV-B
HIC
Solenoid
valve (SV1)
High pressure
switch
Oil separator
Service port
Strainer
Distributor
Compressor
Thermistor (TH4)
<Compressor>
Thermistor (TH7)
<Ambient>
<Outdoor liquid pipe>
Thermistor (TH3)
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
High pressure
sensor (63H)
Low pressure
sensor(63LS)
Restrictor
valve
Refrigerant flow in cooling
Refrigerant flow in heating
Capillary tube for oil separator: ø2.5 × ø0.8 × L1000
Refrigerant piping specifications <dimensions of flared connector>
Unit: mm < in >
Item
Capacity
Liquid piping
Gas piping
Indoor unit
P10, P15, P20, P25, P32, P40, P50
ø6.35 <1/4>
ø12.7 <1/2>
P63, P80, P100, P125, P140
ø9.52 <3/8>
ø15.88 <5/8>
Outdoor unit
P112, P125, P140
ø9.52 <3/8>
ø15.88 <5/8>
Note:
•
When connecting the CONNECTION KIT (PAC-LV11M-J) and an M-series indoor unit, refer to the installation manual for the CONNECTION KIT.
10-4. Selecting pipe size
Refer to installation manual “Selecting pipe size” for piping connection.
10-5. System control
Refer to installation manual “Wiring transmission cables” for system control.
