Panasonic WH-SXC09H3E5 / WH-SXC12H6E5 / WH-UX09HE5 / WH-UX12HE5 Service Manual ▷ View online
41
6. Refrigeration and Water Cycle Diagram
T
I
N
U
R
O
O
D
N
I
T
I
N
U
R
O
O
D
T
U
O
Pipe
Temp.
Sensor
Pipe
Temp.
Sensor
Pipe
Temp.
Sensor 2
Pipe
Temp.
Sensor
Air
Temp.
Sensor
Bypass
Exit
Temp.
Sensor
Eva.
Exit
Temp.
Sensor
Defrost
Sensor
Backup Heater
Indoor
Side
Outdoor
Side
Expansion
Vessel
Pressure
Relief
Valve
Control
Panel
Water
Flow
Sensor
Water
Pump
Water
Inlet
(Connect
to
Sanitary
Tank)
Water
Outlet
(Connect
to
Sanitary
Tank)
Drain
Refrigerant Cycle (Heating)
Water Cycle
Refrigerant Cycle (Cooling)
Water Cycle
Refrigerant Cycle (Cooling)
Heat
Exchanger
Heat
Exchanger
Strainer
Strainer
4-Way
Valve
Gas
Side
(3-Way
Valve)
Liquid
Side
(3-Way
Valve)
2-Way
Valve
Accumulator
in
out
Pressure
Switch
High
Pressure
Sensor
Compressor Discharge
Temp. Sensor
Compressor
Water
Pressure
Gauge
Capillary
Tube
Strainer
Strainer
Subcooler
Expansion
Valve
(Bypass)
Muffler
Expansion
Valve
Model Piping
size
Rated Length (m)
Gas Liquid
For Heat
Pump Indoor
Unit
For
Hydromodule
+ Tank
Max
Elevation
(m)
Min. Piping
Length
(m)
Max. Piping
Length
(m)
Additional
Refrigerant
(g/m)
UX09*E5*, UX12*E5*,
UD12*E5*,
UD16*E5*, UX09*E8*,
UX12*E8*,
UX16*E8*, UD09*E8*,
UD12*E8*,
UD16*E8*
Ø15.88 mm
(5/8")
Ø9.52 mm
(3/8")
7 5
20
3 30 50
Example:
If piping length is 30m, the quantity of additional refrigerant should be 1000g. [(30-10)m x 50 g/m = 1000g]
GWP (R410A) = 2088
42
6.1 Standard System (Optional PCB not connected)
Fan Coil Unit
(Heating / Cooling)
Panel Heater Unit
(Heating)
Floor Heating Panel
(Heating)
Cold Water
Supply
DHW Tank
External
Thermostat
Pressure
Gauge
TH
Water
Inlet
TH
Water
Outlet
Water
Flow
Sensor
Expansion
Vessel (10L)
Internal
Thermostat
T
External
Thermistor
Nothing
Indoor Unit
Heater
Air purge valve
Pump
R410A
R410A
HEX
WATER
OLP
THt
Room Thermo (4 option)
Extra Pump
Outdoor Unit
3-Way valve
2-Way valve
OLP
TH
Water Outlet 2
Heater:
OD 9kW series: 3kW
OD 16kW series: 6kW
6.2 Advance System (Optional PCB connected)
Cold Water
Supply
Heater
Indoor Unit
FloorHeating Panel
DHW Tank
Buffer
Tank
Fan Coil Unit
(Heating / Cooling)
OLP
THt
Zone1
Room Thermo (4 option )
External
Thermostat
Internal
Thermostat
T
External
Thermistor
T
Addtional
Outdoor Sensor
Without
Zone2
Room T hermo (4 option )
Pump
Water Temp
Thermistor
Hex
Zone1
Zone2
Either Zone2 Heat & Cool or Pool Heating
Panel Heater Unit
(Heating)
External
Thermostat
Internal
Thermostat
T
External
Thermistor
Without
2-Way valve
Mixing
Valve
FloorHeating Panel
Fan Coil Unit
(Heating / Cooling)
Pump
Pool
Pump
Water Temp
Thermistor
Solar
Panel
Thermistor
Buffer
Tank
Thermistor
Pool
Thermistor
Panel Heater Unit
(Heating)
2-Way valve
Mixing
Valve
Boiler
Outdoor Unit
3-Way valve
43
7. Block Diagram
7.1 WH-SXC09H3E5
WH-UX09HE5
OU
T
D
OO
R
U
N
IT
IN
D
OOR
U
N
IT
EL
C
B
N
L
PO
W
E
R
SUPPL
Y 2
1-
ph
as
e
A
C
23
0V
50
H
z
EL
C
B
N
L
PO
W
E
R
SUPPL
Y 2
1-
ph
as
e
A
C
23
0V
50
H
z
F
U
SE1
NOIS
E F
I LT
ER
NO
ISE F
I LT
ER
WA
T
E
R
PUM
P
SC
WATE
R P
UM
P
CIRC
UIT
M
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
M 1~
BO
O
S
T
E
R
H
EAT
E
R
RY
-B
O
O
S
T
E
R
BAC
KU
P
H
E
A
T
ER
R
Y-
H
T
(L3)
EX
T
R
A
PU
M
P
WA
T
E
R
PU
M
P
ZO
N
E
1
WA
T
E
R
PU
M
P
ZO
N
E
2
PO
O
L
WA
T
E
R
PU
M
P
SO
L
A
R
WA
T
E
R
PU
M
P
MI
X
IN
G
VA
LV
E
ZO
N
E
1
MI
X
IN
G
VA
LV
E
ZO
N
E
2
SU
B
RY
-V
3
SSR
1
S
S
R
200
S
S
R
201
S
S
R
202
S
S
R
203
S
S
R
204
S
S
R
205
S
S
R
206
S
S
R
207
3-
W
A
Y
S
VA
LV
E
RY
-V
2
2-
W
A
Y
S
VA
LV
E
FU
S
E
1
REL
A
Y
F
U
SE2
SC
R
EAC
T
O
R
PF
C CIR
CU
IT
CAPAC
IT
OR
CIR
CU
IT
REC
TIF
IC
AT
IO
N CIR
CU
IT
RY-H
T2
RY-H
T1
RY-H
OT
RY-V
1
2-W
AY
S VAL
VE
4-W
AY
S VAL
VE
BASE PAN
HE
AT
ER
CR
ANKC
ASE HEAT
ER
RE
CT
IFICA
TIO
N C
IR
CU
IT
NO
ISE F
IL
TER
MM
1
2
3
MS 3~
NOIS
E F
I LT
ER
44
7.2 WH-SXC12H6E5
WH-UX12HE5
ELC
B
ELC
B
F
U
SE1
WA
TE
R
PU
MP
NOIS
E F
ILT
ER
NO
IS
E FIL
TER
NO
ISE F
ILT
ER
WAT
ER
PUMP
CIRC
UIT
SC
RY-
V
2
R
Y
-H
T
(L
3
)
R
Y
-B
OOS
TE
R
BAC
KU
P H
EAT
ER
BO
O
S
T
E
R
H
EAT
ER
2
-W
AYS
VAVL
E
3
-W
AYS
VAVL
E
EXT
R
A
PU
MP
WA
TE
R
PU
MP
ZO
N
E
1
SO
L
A
R
WA
TE
R
PU
MP
MI
X
IN
G
VAL
VE
ZO
N
E
1
MI
XI
N
G
VAL
VE
ZON
E
2
RY
-V
3
SSR
1
S
S
R
200
SU
B
WA
TE
R
PU
MP
ZO
N
E
2
SSR
2
0
1
PO
O
L
WA
TE
R
PU
MP
SSR
2
0
2
S
S
R
2
0
3
SSR
2
0
4
S
SR
2
0
5
SSR
2
0
6
SSR
2
0
7
RE
LA
Y
INDO
O
R
UNI
T
O
U
T
DO
O
R
UN
IT
RE
A
T
O
R
RY-V
1
2-W
AYS VAL
VE
4-W
AYS VAL
VE
CR
ANKC
ASE H
EA
TE
R
BASE PA
N H
EATER
RY-H
OT
RY-H
T1
RY-H
T1
L
N
L
N
P
O
W
E
R
SUPP
LY 1
1-
p
has
e
A
C
23
0V
5
0
Hz
P
O
W
E
R
SUPP
LY 2
1-
p
has
e
A
C
23
0V
5
0
Hz
NOISE F
ILT
ER
RECTIF
IC
ATIO
N CI
RC
UIT
RE
CT
IF
ICAT
IO
N CIRC
UIT
CAPACIT
OR C
IRC
UIT
PFC C
IRC
UIT
F
USE2
1
2
3
FU
SE
1
SC
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