Jaka HFD / HFS
16
16.14
Electrical connection diagram
WITH CONNECTOR
1
2
5
6
8
10
11
12
3
FR
TR
MB
EV1
LB
TC
TS
Ph
N
4
EV2
F
7
WITHOUT CONNECTOR
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: Boiler Thermostat.
TS:
Safety Thermostat.
CH:
Hour-counter.
IG:
Main switch
F:
Fuse.
LB: Cut-off Light.
LB':
External Cut-off Light.
FR: Photocell.
TR: Transformer.
MB: Oil Pump Motor.
MB': Auxiliar oil Pump Motor.
EV: Valve.
Ph: Phase.
N:
Neutral.
