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4.1.4
Main Components
cdef
b
a
0
9
8
7
o
6
1 Control Panel
2 Water Pump
3 Control Board Cover
4 PCB, Printed Circuit Board
Single Phase RCCB/ELCB
5-1
(Main Power)
Single Phase RCCB/ELCB
5-2
(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)
k
1
g
2
m
3
h
4
5-1
5-2
c Air Purge Valve
d Pressure Relief Valve
e Flow Switch
Water Pressure Gauge
f
Top Front Plate
g
Bottom Front Plate
h
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)
i
l
j
n
Connector name
a
b
c
d
e
f
g
h
i
27
f
e
d
c
b
h
g
Water Inlet
(From Space Heating/Cooling)
Water Outlet
(To Space Heating/Cooling)
Cold Water Inlet
(Domestic Hot Water Tank)
Hot Water Outlet
(Domestic Hot Water Tank)
Refrigerant Gas
Refrigerant Liquid
Domestic Hot Water Tank
Discharge (Drain Tap)
Type: Ball Valve
Pressure Relief Valve Drainage
Drain Water Hole
a
i
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