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INSTALLATION
23 24 25 26 27 28
23 24 25 26 27 28
M1D3
23 24 25 26 27 28
b
h
b
h
b
h
J6-3
b
SR
J6-10
h
J6-12
h
SF
J6-5
b
J7-6
b
FL
J7-7
bl
J7-8
h
J12-1
r
TS
J12-4 w
J12-5
h
SM
J12-2
b
J8 J11 J12
J7
J15
J6
J5
J4
J3
F1
VG1
EA
VE1
PC
AE
IG
g
M2D3
113 114 115 116 117 118
b
h
113 114 115 116 117 118
CLOSE
OPEN
L
N
L
N
L
113 114 115 116 117 118
Key
TB
M1D3
Low-voltage terminal board Dep3
TSC
M2D3
High-voltage terminal board Dep3
VG1
M1D4
Low-voltage terminal board Dep4
PC
M2D4
High-voltage terminal board Dep4
IG
SR
Return probe
IM3
SF
Exhaust flue probe
IM4
Pm
Minimum pressure switch
VE1
FL
Flow-meter
TS
Safety thermostat
SM
Flow probe
EA
Ignition/detection electrode
AE
Power supply
23 24 25 26 27 28
23 24 25 26 27 28
M1D4
23 24 25 26 27 28
b
h
b
h
b
h
b
J6-3
SR
J6-10
h
J6-12
h
SF
J6-5
b
J7-6
b
h
TSC
J7-7
bl
b
FL
bl
J7-8
h
J12-1
r
TS
J12-4 w
J12-5
h
SM
J12-2
b
J9
J8 J11 J12
J7
J15
J6
J1
J2
J5
J4
J3
F1
VG1
EA
VE1
PC
AE
g
M2D4
113 114 115 116 117 118
IM3
113 114 115 116 117 118
CLOSE
OPEN
L
N
L
N
L
113 114 115 116 117 118
Bus connection
Cable colour
Auxiliary display connection
b
brown
Gas valve 1
h
blue
Pump
r
red
Main switch
w
white
Module switch 3
bl
black
Module switch 4
g
yellow/green
Fan
y
yellow
gr
green
44
Version with valve
1
1
MO1
1
b
h
SR
J6-3
b
J6-10
h
SF
J6-12
h
b
J6-5
h
TB
b
Pm
J7-2
h
h
J7-4
b
TSC
b
J7-6
b
bl
FL
J7-7
bl
J7-8
h
TS
J12-1
r
J12-4 w
SM
J12-5
h
J12-2
b
J9
J1
J2
EA
AE
g
IM4
Key
MO1
Low-voltage terminal board
MO2
High-voltage terminal board
M1D2
Low-voltage terminal board Dep2
M2D2
High-voltage terminal board Dep2
SR
Return probe
SF
Exhaust flue probe
Pm
Minimum pressure switch
FL
Flow-meter
TS
Safety thermostat
SM
Flow probe
EA
Ignition/detection electrode
AE
Power supply
2
3
4
5
6
7
8
9 10
11 12 13 14
15 16 17 18
19 20 21 22
SCH
2
3
4
5
6
7
8
9 10
11 12 13 14
15 16 17 18
19 20 21 22
M1D2
2
3
4
5
6
7
8
9
10
11 12 13 14
15 16 17 18
19 20 21 22
b
h
b
h
b
h
b
h
b
h
b
h
b
h
b
h
b
h
b
h
h
b
h
b
bl
h
b
bl
SR
J6-3
J6-10
SF
J6-12
J6-5
J7-6
FL
J7-7
J7-8
TS
J12-1
J12-4 w
J12-5
SM
J12-2
J8 J11 J12
J7
J15
J6
J9
J5
J4
J3
J1
J2
F1
VG1
EA
VE1
PC
MO2
g
101 102 103 104 105 106 107 108 109 110 111 112
IM1
101 102 103 104 105 106 107 108 109 110 111 112
L
N
L
N
L
N
L
N
101 102 103 104 105 106 107 108 109 110 111 112
TSC
Auxiliary display connection
SCH
Display and control card
VG1
Gas valve 1
PC
Pump
IM1
Module switch 1
IM2
Module switch 2
VE1
Fan
45
INSTALLATION
23 24 25 26 27 28
23 24 25 26 27 28
23 24 25 26 27 28
b
h
b
h
b
h
b
h
h
b
b
h
TSC
bl
b
bl
h
r
h
b
J8 J11 J12
J7
J15
J6
J9
J5
J4
J3
J1
J2
F1
VG1
VE1
AE
M2D2
g
IM2
113 114 115 116 117 118
113 114 115 116 117 118
CLOSE
OPEN
L
N
L
N
L
113 114 115 116 117 118
Cable colour
b
brown
h
blue
r
red
w
white
bl
black
g
yellow/green
y
yellow
gr
green
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