OCH791 _105
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
Thermistor(TH7)
<Ambient>
Check valve
<Low pressure>
Ball valve
Strainer
4-way valve
Accumulator
High pressure
switch(63H)
Check valve
<High pressure>
Compressor
Distributor
Thermistor(TH3)
<Outdoor liquid pipe>
LEV-A
HIC
Oil separator
Solenoid
Valve(SV1)
Service port
High pressure
sensor(63HS)
Low pressure
sensor(63LS)
Capillary
tube
Thermistor(TH4)
<Compressor>
Thermistor(TH6)
<Suction pipe>
Thermistor(TH2)
<HIC pipe>
Refrigerant gas pipe
Strainer
Strainer
Strainer
Capillary
tube
LEV-B
Strainer
Strainer
Service port
Refrigerant liquid pipe
Stop valve
Strainer
Strainer
Capillary tube for oil separator: ø2.5 × ø0.8 × L1000
Capillary tube for solenoid valve: ø4.0 × ø3.0 × L500
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>
P200
ø9.52 <3/8>
ø19.05 <3/4>
Outdoor unit
P200
ø9.52 <3/8>*
ø19.05 <3/4>
* Use ø12.7 when farthest piping length is longer than 60m.
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.
