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15.- ELECTRICAL DIAGRAMS
WITHOUT CONNECTOR
WITH PRE-HEATER
WITHOUT
PRE-HEATER
1
2
5
6
8
10
11
12
3
FR
TR
MB
EV1
LB
RP
Black
Blue
TC
TS
Ph
N
4
EV2
Pre-heater
F
7
TP
Brown
1
2
5
6
8
10
11
12
3
FR
TR
MB
EV1
LB
TC
TS
Ph
N
4
EV2
F
7
WITH CONNECTOR
WITH PRE-HEATER
WITHOUT
PRE-HEATER
1
2
5
6
8
10
11
12
3
FR
TR
MB
EV1
LB
RP
Black
Blue
4
EV2
TC
TS
Ph
N
B4
S3
T2
T1
N
L1
IG
F
CH
LB'
7
TP
Brown
Pre-heater
1
2
5
6
8
10
11
12
3
FR
TR
MB
EV1
LB
4
EV2
TC
TS
Ph
N
B4
S3
T2
T1
N
L1
IG
F
CH
LB'
7
B4:
Contact of hour-counter.
S3:
Contact of blocking lamp.
TC:
Control thermostat.
TS:
Safety thermostat.
CH:
Hour-counter.
IG:
General switch.
F:
Fuse.
LB:
Blocking lamp.
LB':
External blocking lamp.
FR:
Photocell sensor.
TR:
Ignition transformer
MB:
Oil pump.
MB':
Auxiliary oil pump.
EV:
Electrovalve.
TP:
Pre-heater thermostat
RP:
Pre-heater resistance.
Ph:
Phase.
N:
Neutral
Summary of Contents for Domestic D-3
Page 2: ......
