S1 Mini Vivaldi II
Owner’s Manual
Page 19
6.2 Control Board Connection Diagram
6.3 Triac Board Connection Diagram
Note these two boards and the fan have been replaced with a single
– dual
Solid State Relay module (SSR) on new models.
BOILER TRIAC BD GROUP TRIAC BD
(Cooling Fan is below this board
and runs only when boiler is heating)