Panasonic WH-ADC0309H3E5 Service Manual page 17

Main Components
a
c
9
7
0
d
j
g
b
k
1 Remote Controller
2 Water Pump
3 Control Board Cover
4 Main PCB
Single Phase RCCB/ELCB
5-1
(Main Power)
Single Phase RCCB/ELCB
5-2
(Backup Heater)
Water Filter Set
6
Heater Assembly
7
8 3-Way Valve (Not Visible)
9 Overload Protector (Not Visible)
0 Expansion Vessel (Not Visible)
a Air Purge Valve
b Pressure Relief Valve
f
8
9
1
2
3
4
e
h
5-1
5-2
6
c Flow Sensor
d Water Pressure Gauge
e Front Plate
Top Plate
f
Right Plate
g
h Left Plate
i Rear Plate
j Tank Sensor (Not Visible)
k Safety Relief Valve
e c
f d
g
h
i
Connector name
Water Inlet
a
(From Space Heating/Cooling)
Water Outlet
b
(To Space Heating/Cooling)
Cold Water Inlet
c
(Domestic Hot Water Tank)
Hot Water Outlet
d
(Domestic Hot Water Tank)
Refrigerant Gas
e
Refrigerant Liquid
f
Domestic Hot Water Tank Discharge
g
(Drain Tap) Type: Ball Valve
Pressure Relief Valve Drainage
h
Drain Water Hole
i
a
b
i