31
23.13
Electrical connection diagram
1
2
5
6
8
10
11
12
3
FR
TR
∼
MB
EV1
LB
RP
Black
Blue
TC
TS
Ph
N
4
EV2
Preheater
F
7
B4:
Time Counter Contact.
S3:
Cut-off Light Contact.
TC:
Boiler Thermostat.
TS:
Safety Thermostat.
CH:
Time Counter.
IG:
Master Switch.
F:
Fuse.
LB:
Cut-off Light.
LB':
External Cut-off Light.
FR:
Photocell.
TR:
Transformer.
MB:
Motor Pump.
MB':
Auxiliary Motor Pump.
EV:
Valve.
RP:
Preheater Element.
Ph:
Phase.
N:
Neutral.
23.14
Quick connector
To connect and disconnect the red oil intake tube to the nozzle, proceed as follows:
- Press the connector ring in the direction of the arrow, pulling on the red tube at the same time.
P R E S S
R ING
T UB E
OIL
QUIC K C ONNE C TOR
