Viessmann VITOCROSSAL 200 CI2 Series Installation Instructions Manual page 29

Vitocrossal 200 CI2 Installation
Electrical Connections
DIN rail CI2 399 to 1000
DIN rail CI2 1500/2000
Legend
A Low water cut-off power supply
B Low water cut-off feedback
C Flue gas damper for common venting feedback
(factory installed jumper)
D Flue gas damper for common venting power supply
E Boiler isolation valve (power open spring return)
F Boiler pump power supply
G Boiler pump modulation signal (0-10VDC)
F1 Fuse 6.3 (slow) 120VAC
(continued)
F1 F1
F1 F1
F1
Overview of terminal block connections
Installation
29