Leda LCN20 - Temperature Settings; Wiring Diagram

25
WIRING DIAGRAM
NOTE:
Only change black color switches.
Don't touch the other switches.
IG
Elect rod
W
Y
B L
O
R
F M
Remote
Controller
654321
Flow
Adjust
ment
Valve
347
7
O F F
P
P
7 8
Inlet
thermistor
Mixing
thermistor
Burning LED
Gas
Propor-
tional
Valve
Flame rod
Ground
Air-fuel ratio rod
Flow
Sensor
3
9
5 3
7 3
MV
SV 3
SV 2
SV 1
LB
G
O
R
O.H.C.F
H i -
l i mi t
s w it c h
BL
BLBL
BL
BL
On l y
BL
BLPK
PK
C
1 8
1 7
1 0
+
65
64
+85-
R
W
BK
BK
BK
BK
BK
BK
R
R
W
Y
G
O
Trans-
former
BK
W
Increase button
Decrease button MA X button
MI N butto n
Dipswitches
Ground
BK
W
Fuse
5A
PCB
Mo d e l 2 6
Mo de l 2 4
Heater
Thermostat
Heater
W
W
BK
BK
BK
W
W
W
240 VAC
Ground
BR
BL
Y&G
BK
W
BK
W
BK
W
BK
W
MA I N P C B
GS 0 0 W - A U
W WHITE
R RED
BK BLACK
P PURPLE
LB LIGHT
BLUE
BL BLUE
G GREEN
Y YELLOW
O ORANGE
BR BROWN
PK PINK
45 ℃ 40 ℃
55 ℃
50 ℃
error60 ℃
error
DEFAULT
Temperat ure Settings
OFF
ON
5 6 7 8 5 6 7 8
5 6 7 8 5 6 7 8
OFF
ON
OFF
ON
OFF
ON
5 6
7 8
5 6
7 8
5 6 7 8
OFF
ON
OFF
ON
OFF
ON
5 6 7 8
OFF
ON
70 ℃
T
M
P
3
T
M
P
2
T
M
P
1
T
M
P
3
T
M
P
2
T
M
P
1
T
M
P
3
T
M
P
2
T
M
P
1
T
M
P
3
T
M
P
2
T
M
P
1
T
M
P
3
T
M
P
2
T
M
P
1
T
M
P
3
T
M
P
2
T
M
P
1
T
M
P
3
T
M
P
2
T
M
P
1
T
M
P
3
T
M
P
2
T
M
P
1
Gas type
Propane
Natur al
Gas
OFF
ON
1 2
3
1 2 3
OFF
ON