k c a - 영 문
78
Working Mode
* Schematic Diagram for heating Operating Mode
13
H
e
a
ti
n
g
R
e
tu
rn
D
H
W
O
u
tl
e
t
D
H
W
I
n
le
t
G
a
s
S
u
p
p
ly
C
o
n
d
e
n
s
a
te
D
ra
in
Expansion Tank
Nozzle
Exhaust Duct
Copper H/E
STS H/E
Exhaust Safety Thermostat
Air Vent
Heating Strainer
Pump
Siphon
Orifice
Fan
Mix Chamber
Burner
Ignition&Flame Dectection Rod
NTC Sensor
Safety Thermostat
Three Way Valve
DHW H/E
Gas Valve
DHW Flow S/W
DHW NTC Sensor
1
2
3
4
5
6
Copper H/E
1
2
3
4
5
6
7
7
Heating Water Supply
H
e
a
ti
n
g
S
u
p
p
ly
Pump
STS H/E
Three Way Valve
Heat Supply
Room Heating(Heating Coil, Radiator)
Heating Return
Heating Strainer
Air Intake
Air Intake