Refrigerant System Diagram - Mitsubishi Electric MSH09TW Service Manual

9

REFRIGERANT SYSTEM DIAGRAM

MSH09TW MSH09TW -
INDOOR UNIT
Indoor coil
thermistor
Indoor
RT12
heat
exchanger
Room temperature
thermistor
RT11
MSH12TN MSH12TN
INDOOR UNIT
Indoor coil
thermistor
Indoor
RT12
heat
Distributor
exchanger
Room temperature
thermistor
RT11
U1
Stop valve
Refrigerant pipe [3/8
(with service
(Option)
port)
(with heat insulator)
Flared connection
Flared connection
Refrigerant pipe [1/4
Stop valve
(Option)
(with heat insulator)
-
U1
Refrigerant pipe [1/2
(Option)
(with heat insulator)
Stop valve
(with service
port)
Flared connection
Flared connection
Stop valve
Refrigerant pipe [1/4
(Option)
(with heat insulator)
Muffler
4-way
valve
Service
port
Fusible
plug
Muffler
Compressor
Capillary tube CT3
O.D. 0.12 I.D.
0.063 31-1/2
Capillary tube CT2
O.D. 0.12 I.D.
0.063 17-11/16
Strainer
Check
valve
4-way
Muffler
valve
Fusible
plug
Service
port
Muffler
Compressor
Strainer
51
MUH09TW MUH09TW -
OUTDOOR UNIT
Service
Outdoor
port
heat
exchanger
Strainer
Defrost
thermistor
RT61
Capillary tube CT1
O.D. 0.12 I.D. 0.055
19-11/16
R.V. coil
heating ON
cooling OFF
Flow of refrigerant (cooling)
Flow of refrigerant (heating)
MUH12TN
MUH12TN -
MUH12TN -
OUTDOOR UNIT
Service
Outdoor
port
heat
Strainer
Defrost
exchanger
thermistor
RT61
Capillary tube CT1
O.D. 0.12 I.D.
0.055 19-11/16
Capillary tube CT1
O.D. 0.12 I.D.0.071 11-13/16
R.V.
coil
heating ON
cooling OFF
Flow of refrigerant (cooling)
Flow of refrigerant (heating)
Unit:inch
U1
Unit:inch
U1
U2