27
4.1.4 Main
Components
1
Control Panel
2
Water Pump
3
Control Board Cover
4
PCB, Printed Circuit Board
5-1
Single Phase RCCB/ELCB
(Main Power)
Single Phase RCCB/ELCB
(Backup Heater)
6
Water Filter Set
7
Anode Bar (Not Visible)
8
Heater Cover
9
Heater Assembly
0
3-Way Valve
a
Overload Protector (Not Visible)
b
Expansion Vessel (Not Visible)
5-2
c
Air Purge Valve
d
Pressure Relief Valve
e
Flow Switch
f
h
g
Water Pressure Gauge
Top Front Plate
Bottom Front Plate
i
Top Plate
j
Right Plate
k
Left Plate
l
Rear Plate
m
Temperature and Pressure
Relief Valve (Not visible)
n
Access Plate
o
Tank Sensor (Not Visible)
Connector name
Water Inlet
(From Space Heating/Cooling)
a
Water Outlet
(To Space Heating/Cooling)
b
Cold Water Inlet
(Domestic Hot Water Tank)
c
Hot Water Outlet
(Domestic Hot Water Tank)
d
Refrigerant Gas
e
Refrigerant Liquid
f
Domestic Hot Water Tank
Discharge (Drain Tap)
g
Type: Ball Valve
Pressure Relief Valve Drainage
h
Drain Water Hole
i
5-1
5-2
7
6
8
o
9
0
a
b
cdef
1
2
3
4
m
g
h
n
j
l
i
k
i
a
b
c
d
e
f
g
h
