9
3. Refrigerant circuit
outdoor
indoor
C
1
B
1
A
1
filter
A heat exchanger
g a s -liqu id se pa ra to r
in
ve
rte
r
co
m
p
re
ss
o
r
d isc h a rge sile n c e r
d isc ha rg e te m p e ra tu re
s e n so r
S P
4-way valve
ou td o o r he a t e xc h a n ge r
fan
high press ure switch
B heat exchanger
C heat exchanger
filte r
filte r
filte r
Note: Not available for 14K/18K
m odel
C 2
C 3
B 3
B 2
A 2
A 3
Note: Not available for 14K/18K m odel
A1:A-unit electronic expansion valve
A2:A-unit gas pipe temperature sensor
A3:A-unit liquid pipe temperature sensor
B1:B-unit electronic expansion valve
B2:B-unit gas pipe temperature sensor
B3:B-unit liquid pipe temperature sensor
C1:C-unit electronic expansion valve
C2:C-unit gas pipe temperature sensor
C3:C-unit liquid pipe temperature sensor
D1:D-unit electronic expansion valve
D2:D-unit gas pipe temperature sensor
D3:D-unit liquid pipe temperature sensor