Mitsubishi Heavy Industries FDTCVA SERIES Technical Manual page 122

(2) Twin type
Model 302
Indoor unit
Models 402, 502, 602
Indoor unit
Indoor unit
Gas branch
pipe
(φ12.7)
Gas line
(φ15.88)
Flare connecting
Heat exchanger
Thermistor
(Th -A)
I
Thermistor
(Th -R2)
I
Thermistor
(Th -R1)
I
Flare connecting
(φ6.35)
Liquid line
(φ9.52)
Diameter joint
of different
Liquid branch
pipe
Gas branch pipe
(
Indoor unit
Flare connecting
Heat exchanger
Thermistor
(Th -A)
I
Thermistor
(Th -R1)
I
Thermistor
(Th -R2)
I
Flare connecting
(φ6.35)
Diameter joint
Liquid
of different
branch pipe
(15~25 only)
Outdoor unit
Thermistor
(Th
Check joint
Muffler
Service valve
(Flare connecting)
High pressure
switch
(63H1)
Check valve
Muffler
Compressor
Service valve
(Flare connecting)
Strainer
Electronic
expansion valve
(EEVC)
20: φ12.7
(
25, 30: φ15.88
Outdoor unit
Check joint
Gas line
(φ15.88)
Service valve
(Flare connecting)
High pressure
switch
63H1
Muffler
Oil
separator
Check joint
Liquid line
(φ9.52)
Service valve
(Flare connecting)
(φ9.52)
121
- -
Cooling cycle
Check joint
-S)
O
Low pressure
sensor
(PSL)
4way valve
Thermistor
(Th -A)
O
Thermistor
Heat
(Th -D)
O
exchanger
Compressor
accumlator
Thermistor
(Th -R)
O
Solenoid
valve
(SV1)
Strainer
Strainer Strainer
Electronic
expansion valve
(EEVH)
Receiver
Cooling cycle
4way valve
Heat exchanger
Check
valve Thermistor
(Th -S)
O
Lower pressure sensor
Thermistor
(Th -D)
O
Strainer
(Discharge)
Capitaly
Compressor
tube
(Suction)
Strainer Strainer Strainer
Electronic
expansion
valve
(cooling)
(SM1)
Receiver
Heating cycle
Heating cycle
Thermistor
(Th -A)
O
Check joint
(LPT)
Thermistor
(Th -R)
O
Accumlator
Sub-cooling
coil
Strainer
Electronic
expansion
valve
(heating)(SM2)