Sime SOLO 25 Manual De Instrucciones página 67

2.7.2 "DUETTO 25-35" wiring diagram (fig. 9/a)
KEY
IG. Main.switch
R. Relay
TM. Minimum.tem..stat
TL. Limit.stat
VP. Pressure.stat.valve
TS. Safety.stat
E/I. Summer/Winter.switch
TC. Boiler.stat
SPA.Water.pressure.gauge.triggered.light
SA. Power.on.light
SB. Burner."lock.out".warning.light
PA. Water.switch
PI. C.H..pump.high.efficiency
PB. D.H.W..pump.high.efficiency
B. Burner
TA. Room.stat
OP. Time.programmer
NOTE:
When connecting the room stat (TA) remove the bridge between terminals 17-18.
When connecting the time programmer (OP) remove the bridge between terminals 15-16.
Fig..9/a
67