Piping System - Mitsubishi Electric FDF71VNXVD Technical Manual

6. PIPING SYSTEM

(1) Single type
Models 71, 100, 125, 140
Indoor unit
Indoor unit
Refrigerant line (one way) pipe size
Model
In case of ø22.22 : 35m
200
In case of ø25.4 orø28.58 : 70m
250
Outdoor unit
Gas line
( ø 15.88)
Service valve
(Flare connecting)
Flare connecting
Thermistor
(Heat exchanger)
High pressure
(ThI-R3)
switch
Thermistor
(Return air)
(ThI-A)
Heat exchanger
Thermistor
(Heat exchanger)
(ThI-R2)
Thermistor
(Heat exchanger)
(ThI-R1)
Flare connecting
Liquid line
Service valve
( ø 9.52)
(Flare connecting)
Outdoor unit
Gas line
Service valve
(Flare connecting)
Flare connecting
Thermistor
(Heat exchanger)
(ThI-R3)
Thermistor
(Return air)
(ThI-A)
Heat exchanger
Thermistor
(Heat exchanger)
(ThI-R2)
Thermistor
(Heat exchanger)
(ThI-R1)
Flare connecting
Liquid line
Service valve
(Flare connecting)
Gas line Liquid line
In case of ø9.52 : 40m
In case of ø12.7 : 70m
In case of ø12.7 : 70m
Check joint
4way valve
Check
valve
Thermistor
63H1
(ThO-S)
Muffler
Thermistor
(ThO-D)
(Discharge)
Compressor
Check joint (Suction)
Strainer Strainer
Electronic
expansion valve
(cooling)(EEVC)
Cooling cycle
Check joint
4way valve
Muffler
High pressure
switch
63H
Check
valve
Oil
separator
Strainer
Capillaly
(Discharge)
tube
Compressor
(Suction)
Check joint
Strainer Strainer
Electronic
expansion
valve
(cooling)
Receiver
(EEVC)
Receiver
38
- -
Cooling cycle Heating cycle
Thermistor
(ThO-A)
Check joint
Heat exchanger
Lower pressure sensor
(LPT)
Thermistor
(ThO-R1)
Accumlator
Thermistor
(ThO-R2)
Sub-cooling
coil
Strainer Strainer
Electronic
expansion valve
(heating)(EEVH)
Receiver
Heating cycle
Thermistor
(ThO-A)
Check joint
Lower pressure
sensor
(LPT)
Heat exchanger
Thermistor
(ThO-S)
Thermistor
(ThO-D)
Thermistor
Thermistor
(ThO-R2)
(ThO-R1)
Thermistor
Sub-cooling
(ThO-H)
coil
Strainer Strainer
Electronic
expansion
valve
(heating)(EEVH)
'11 • PAC-T-160