
50
210 PM/2-E
TS
MB
TR
L1
IG
RM
F
L1
L2
L3
N
ST
LR
L1
9
8
7
6
5
4
3
2
1
2
2
3
4
5
6
7
8
9
10
11
12
TC
LR1
400 V
L2
L3
N
2
1
2
20
19
18
17
16
15
14
13
24
23
22
21
230 V
MR
PA
EC
MPE
31
32
AT
230V-5A-F "POLVERE QUARZO"
230V-5A-F "SAND FILLED"
230V-5A-F "FUSIBLE AU SABLE"
230V-5A-F "SANDGEFULLTE SCHMELZ"
230V-5A-F "RELLENO DE ARENA"
(LFL..)
Ima
F
RT
CT
BRM
L
U3
U1
N
FA
LF
LR
N
L2
L1
PS
LP
C.CT
B4
T2
N
T1
L1
S3
C.VE.PG
1
13
3
MMS
(SQN..PM/2)
N
5
10
9
3
4
8
13
1
2
6
11
7
3
6
5
2
1
4
3
2
1
3
6
5
2
1
4
1
2
3
VDK
PGm
B4
T2
N
T1
L1
S3
VP
VS
1
2
LEGEND
BRM
Motor relay coil
C.CT.
Connector seal check
CT
Thermal relay contact
C.VE.PG.
Connector gas valve-gas pressure
EC
Control electrode
F
Fuses
FA
Anti-disturbance filter
IG
Main switch
Ima
On/Off switch
LF
Operating light
LP
Lamp presence flame
LR
Blocking-mode light
LR1
Blocking-mode light (if present)
MB
Burner motor
MMS
Servo control motor terminal board LANDIS SQN 30...
MPE
Control box terminal board - LANDIS LFL1.322
MR
Transmission terminal board
PA
Air pressure switch
PGm
Minimum gas pressure switch
PS
Release-reset pushbutton
RM
Motor relay contacts
RT
Thermal relay
TC
Boiler thermostat
Tmf
2nd flame modulation thermostat (if present)
TR
Starting transformer
VDK
Seal check
VP
Main valve
VS
Safety valve