Panasonic CS-Z20TKEW / CS-Z25TKEW / CS-Z35TKEW / CS-Z42TKEW / CS-Z50TKEW / CS-Z71TKEW / CS-XZ20TKEW / CS-XZ25TKEW / CS-XZ35TKEW / CS-XZ50TKEW / CU-Z20TKE / CU-Z25TKE / CU- / 35TKE / CU-Z42TKE / CU-Z50TKE / CU-Z71TKE / CU-Z20TKE / CU-Z25TKE / CU-Z35TKE / CU-Z50TKE Service Manual ▷ View online
29
7. Refrigeration Cycle Diagram
7.1 CS-Z20TKEW
CU-Z20TKE
CS-Z25TKEW CU-Z25TKE
CS-Z35TKEW CU-Z35TKE CS-Z42TKEW CU-Z42TKE
CS-XZ20TKEW CU-Z20TKE CS-XZ25TKEW CU-Z25TKE
CS-XZ35TKEW CU-Z35TKE
CS-XZ20TKEW CU-Z20TKE CS-XZ25TKEW CU-Z25TKE
CS-XZ35TKEW CU-Z35TKE
INDOOR
OUTDOOR
INTAKE
AIR
TEMP.
SENSOR
AIR
TEMP.
SENSOR
PIPE
TEMP.
SENSOR 1
PIPE
TEMP.
SENSOR 2
TANK
SENSOR
PIPE
TEMP.
SENSOR
LIQUID
SIDE
2-WAY
VALVE
VALVE
3-WAY
VALVE
VALVE
GAS
SIDE
COOLING
HEAT EXCHANGER
(EVAPORATOR)
HEATING
COMPRESSOR
4-WAYS VALVE
CONDENSER
MUFFLER
MUFFLER
STRAINER
EXPANSION
VALVE
30
7.2 CS-Z50TKEW
CU-Z50TKE
CS-Z71TKEW CU-Z71TKE
CS-XZ50TKEW CU-Z50TKE
INDOOR
OUTDOOR
INTAKE
AIR
TEMP.
SENSOR
PIPE
TEMP.
SENSOR
AIR
TEMP.
SENSOR
LIQUID
SIDE
2-WAY
VALVE
VALVE
3-WAY
VALVE
VALVE
GAS
SIDE
COOLING
HEAT EXCHANGER
(EVAPORATOR)
HEATING
COMPRESSOR
CONDENSER
PROCESS
TUBE
STRAINER
EXPANSION
VALVE
4-WAYS VALVE
TANK
SENSOR
PIPE
TEMP.
SENSOR 1
PIPE
TEMP.
SENSOR 2
RECEIVER
MUFFLER
(Z71TKE only)
31
8. Block Diagram
8.1 CS-Z20TKEW
CU-Z20TKE
CS-XZ20TKEW CU-Z20TKE
IC19
NOISE FILTER
FUSE103
FUSE101
FUSE104
C103
MS 3 ~
REACT
OR
4-W
A
YS
VA
LV
E
SC
TH1
NTC
CT101
R
Y
-PWR
R
Y
-AC
PTC
PTC1
FUSE501
FUSE500
3
2
S1
MS 3 ~
R
Y
-PWR
TEMP.
F
U
SE
U
F
U
S
E
301
SC
M
TEMP.
F
U
SE
(INDOOR UNIT)
(OUTDOOR UNIT)
SINGLE
PHASE
POW
E
R
SU
PP
L
Y
R
Y
-PWR2
N
L1
32
8.2 CS-Z25TKEW
CU-Z25TKE
CS-Z35TKEW CU-Z35TKE
CS-Z50TKEW CU-Z50TKE CS-Z71TKEW CU-Z71TKE
CS-XZ25TKEW CU-Z25TKE CS-XZ35TKEW CU-Z35TKE
CS-XZ50TKEW CU-Z50TKE
CS-XZ25TKEW CU-Z25TKE CS-XZ35TKEW CU-Z35TKE
CS-XZ50TKEW CU-Z50TKE
2
(OUTDOOR UNIT)
S1
3
FUSE501
FUSE500
R
Y
-PWR
TEMP.
F
U
SE
U
F
U
S
E
301
SC
M
TEMP.
F
U
SE
(INDOOR UNIT)
SINGLE
PHASE
POW
E
R
SU
PP
L
Y
R
Y
-PWR2
N
L1
NOISE FILTER
MS 3 ~
COMPRESSOR
Q1
MS 3 ~
IC19
F
AN MOT
OR
FUSE3
FUSE6
FUSE5
REACT
OR
FUSE8
4-W
A
Y
VA
LV
E
R
Y
-AC
R
Y
-PWR
PTC
PTC2
TH1
NTC
SEN1
FUSE1
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