GIG
19
ELECTRICAL CONNECTIONS - WIRING DIAGRAMS
Perform connections of the circulators, burner and the room thermostat, if present, following the instructions
of the diagrams attached . Place a bipolar switch between the mains and the unit.
It is also essential to connect the unit to a properly earthed system.
Joannes
will not be held liable for damages to persons or things caused by the failure
to connect the unit to a properly earthed system.
PRINCIPLE WIRING DIAGRAM
LEGEND
IG
Main switch
TS
Safety thermosta
TM
Minimum temp. thermostat 45
°
C
TA
Room thermostat
IB
Burner switch
SB
Burner blocking-mode light
SL
Lights
Ch
Hour meter (optional)
BURNER CONTROL BOX WITH HOUR
METER START SIGNAL
+ BURNER BLOCKING-MODE SIGNAL
Burner connector
2ª flame
PI
System pump
IPI
Sys. pump switch
TRC
Thermostat 2 stages 1
°
- 2
°
flame
(TR1-TR2)
(3
°
-85
°
C
∆
t 1
°
-2
°
flame = 7
°
C)
F4/K4
Connection thermoregulation RVP
L-N-N-20
Connection terminal board