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5. REFRIGERANT CYCLE DIAGRAM
Indoor unit
He
a
t exch
a
nger
a
t indoor
s
ide
F
a
n
M
F
a
n motor
S
en
s
or
(TA)
S
en
s
or
(TC1)
G
as
s
ide
Liq
u
id
s
ide
S
tr
a
iner
C
a
pill
a
ry t
ub
e
P
u
l
s
e Motor
V
a
lve (PMV)
S
tr
a
iner
S
en
s
or
(TCJ)
S
en
s
or
(TC2)
Functional part name
Pulse Motor Valve
PMV
1.TA
(Connector CN082 (6P): Blue)
1) Controls super heat in cooling operation
2) Controls under cool in heating operation
3) Recovers refrigerant oil in cooling operation
4) Recovers refrigerant oil in heating operation
Temp. Sensor
(Connector CN104 (2P): Yellow)
1) Detects indoor suction temperature
Functional outline
2.TC1
(Connector CN100 (3P): Brown)
1) Controls PMV super heat in cooling operation
3.TC2
4.TCJ
(Connector CN101 (2P): Black)
1) Controls PMV under cool in heating operation
(Connector CN102 (2P): Red)
1) Controls PMV super heat in cooling operation
Explanation of functional parts in indoor unit
