Wiring Diagram - Joannes AZ 4 Bedienungsanleitung

WIRING DIAGRAM

The wiring scheme to be carried out by technician are:
— Power Supply Line
— Thermostats Line
— Eventual blocking lamp and/or hour-meter
WARNING:
- Do not invert the neutral with the phase.
- Make the connection to an effi cient earthing system.
- Bridge 3-8 on base is found only on versions withouth preheater.
Key
CO Hour-meter (possible)
F Fuse
FA Anti-interference filter
FR Photoresistance
IG Main switch
LS Lock-out warning light (possible)
MA Control unit terminal board
MB Burner motor
PB Burner connector
PR Preheater (only mod.PR)
SC Plug
TA-TC Boiler environment thermostat
TR Ignition transformer
TS Safety thermostat
Tm Minimum thermostat
UK
VE Solenoid valve
28
1 2 2 2 3 4 5 6 7 8
MA
FA
M
MB
VE
B4
CO
H
N
101112
9
Tm
PR
TR
PB
S3 T2 T1 N L1
SC
TS
Z
TC-TA
F
LS
IG
N L
N
FR