5
M
Ph
N
HS
RT
EV
1
2
3
4
5
6
8
9
10
11
Z
SA
tvz tz ts tv2
7
tv1
12
STB
T
T
X7
X8
IS
X2
X3
X9
X5
X6
V1
V1
V2
V1
V2
V1
CIRCUIT AND TIMING DIAGRAM DVI 980/982
DVI 980/982
M
Ph
N
HS
RT
EV
1
2
3
4
5
6
8
9
10
11
Z
SA
tvz tz ts tv2
7
tlw tv1
12
LW
P
STB
T
X7
X8
IS
X2
X3
X9
X5
X6
V1
V1
V2
V1
V2
V1
T
M
Ph
N
HS
RT
EV
1
2
3
4
5
6
8
9
10
11
Z
SA
tvz tz ts tv2
7
tlw tv1
12
LW
P
STB
T
T
X3
X9
X5
X6
X7
X8
V1
V1
V2
V1
V2
V1
IS
X2
Valve supply not over air proving switch contact
Without air proving switch
Valve supply over air proving switch contact
Z
Ignition probe
V1
Solenoid valve 1st-stage
V2
Solenoid valve 2nd-stage
tlw
Max. reaction time for air
proving switch
tv1
Supervised pre-purge time
tvz
Pre-ignition time
tz
Ignition time total
ts
Safety time
tv2
Delay 2nd-stage
HS
Mains switch
EV
External reset and lock out button
RT
Control thermostat
LW
Air proving switch
STB Safety temperature delimiter
Using wire link for application
without STB.
M
Motor
SA
External lock out signal
IS
Ionisation probe (IRD 1020.1, UVD 971
see separate diagram)
max. 10A fast
6A slow
max. 10A fast
6A slow
max. 10A fast
6A slow
variation A
variation B
variation A
variation B
variation A
variation B
blue
black
brown
IRD 1020.1
UVD 971
IRD- OR UVD CONNECTION
Kl. X2/11
Kl. X8
Kl. X2/12
Using only the connection diagram for the wiring which is noted down for the respective model variation (see "7. model
functions", page 3).
A wrong wiring leads to malfunctions!
