43
5790 980 - 04
Vitoligno 300-C Installation/Service
Installation
Electrical Connections
(continued)
Accessory power supply connections (factory wired)
Safety equipment connections
(accessory)
Auxiliary safety equipment connections
(field supplied)
DIN rail X2
A
Legend
A
Power supply for accessories
sL a,S
B
Power supply for heating circuits (A1, A2 and A3)
C
Neutral jumper for accessories
sL a,S
D
Neutral jumper for heating circuits (A1, A2 and A3)
E
Power supply for auger system connection
sYF
,
sY
G
,
sYH
and
sYK
Legend
A
Low water cutoff device (typical)
Legend
A
Periphery safety equipment
DIN rail X2
A
LWCO
Power supply
(by others)
Install periphery safety equipment on terminal
a
B
S
,
when
no
periphery safety equipment is being used, install a
jumper across terminals 1 and 2 (field supplied).
Make connections for switching contact of the low water
cutoff at terminals 1 and 2 of
a
BD
.
Supply low water cutoff with power (there are no
provisions for LWCO power from the Ecotronic control,
the power supply is field supplied).
F3 120VAC 10A
F4 120VAC 10A
All jumpers are factory installed based on accessories
connected to the Ecotronic control.
DIN rail X1