Vitoligno 300-C Installation/Service
5790 980 - 04
44
Installation
Electrical Connections
(continued)
Low temperature protection package connections
Secondary heat generator activation connections
DIN rail X1
Alarm output connections
Legend
A
Boiler pump
B
Return temperature 3-way valve
Legend
A
Central fault messaging receiver (field supplied)
Legend
A
Secondary heat generator activation signal
Rated voltage ................................................... 120VAC
Maximum rated current .............................................. 2A
Note:
Maximum output 10 full load amps shared between
120VAC
outputs
sL a,S
DIN rail X1
power supply
Max. 120VAC/5A
Alarm
DIN rail X1
Boiler pump plug
sL
terminals
sL
-1,
sL
-G,
sL
Return temp control mixing valve plug terminals
a,S
-1, 2, N
Rated voltage ................................................... 120VAC
Maximum rated current output ................................. 0.1A
g
Ö
A is a dry contact connect, with closure on terminals
1 and 3 during a fault condition.
Rated voltage ................................................... 120VAC
Maximum rated current ........................................... 5FLA
jL
is a dry contact connect, with closure on terminals
1 and 3 for secondary heat generator activation.
Rated voltage ................................................... 120VAC
Maximum rated current ........................................... 5FLA
Refer to the low temperature protection package
Installation Instructions.