Piping System - Mitsubishi Heavy Industries SRK25GZ-L1 Handbook

FDKN-H

12.2.5 Piping system

Models FDKN208HEN-S1, 258HEN-S1, FDKNP208HEN-S, 258HEN-S
Indoor unit
Strainer
Capillary
tube
Strainer
Models FDKNP308HEN-S, 308HES-S
Indoor unit
Strainer
Capillary
tube
Strainer
486
Gas line
Service valve
(ø15.88)
(Flare connecting)
Check joint
Thermistor
(Th -A)
I
Heat exchanger
Thermistor
Solenoid
(Th -R)
I
valve
(SV1)
Thermistor
Check
joint
Liquid line
208:ø6.35
( )
258:ø9.52
Strainer
Service valve
Flare
(Flare connecting)
connecting
Gas line
Service valve
(308:ø15.88)
(Flare connecting)
Check joint
Thermistor
(Th -A)
I
Heat exchanger
Thermistor
Solenoid
(Th -R)
I
valve
(SV1)
Thermistor
Check
joint
Liquid line
(ø9.52)
Strainer
Service valve
Flare
(Flare connecting)
connecting
Cooling cycle
Heating cycle
High pressure switch (63H )
2
(For fan motor control)
4way valve
High pressure
switch (63H )
1
( Only case of )
FDKNP model
Check joint
Muffler
Compressor
Accumulators
Capillary
tube
(Th -D)
O Strainer
Check valve
Capillary tube
Cooling cycle
Heating cycle
High pressure switch (63H )
2
(For fan motor control)
4way valve
High pressure
switch (63H )
1
Check joint
Muffler
Compressor
Accumulator
Capillary
tube
(Th -D)
O
Strainer
Check valve Solenoid valve (SV2)
Capillary tube
Outdoor unit
Thermistor
(Th -A)
O
Heat exchanger
Thermistor
(Th -R)
O
Sub-
cooling
coil
Outdoor unit
Thermistor
(Th -A)
O
Heat exchanger
Thermistor
(Th -R)
O
Sub-
cooling
coil