Fig. 2 the view of control components in the furnace
Before disconnecting the old trigger please must remember the connection diagrams
(see Fig. 3 and Fig. 4) and follows the diagrams to install the new trigger.
On the SCR there are 4 connecting pins (A, B, C, and D). Please only connect pin A
and pin B (two pins in the middle) on SCR.
For other connections please see Fig. 4 to know in detail.
Fig. 3 the connection diagram between the trigger and SCR
