Miller Syncrowave 250 DX Technical Manual page 77

Receptacle Pin
8
9
10
11
12
13
14
15
16
Syncrowave 250 DX
104 volts AC input from transformer T1, background voltage
104 volts AC input from transformer T1, background voltage
Ground reference for gas valve
+24 volts DC signal to gas valve
Ground reference for 19 volts AC winding
115 volts AC for fans prior to LB141715; 230 volts AC effective with LB141715
Fan-On-Demand control, 115 volts AC while on, 0 volts AC while off prior to LB141715; 230 volts AC
effective with LB141715
Machine select, 0 volts dc
Ground reference for machine select
Value
TM-359 Page 73