49
90 - 140 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
PGm
B4
T2
N
T1
L1
S3
N
L2
L1
VP
VS
1
2
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
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
VP
Main valve
VS
Safety valve