Sime 25-35 BF TS Manual Del Usaurio página 70

2.7.2 "DUETTO 25-35 BF TS / DUETTO 35 BF TS PR" wiring diagram
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
2.7.3 "SOLO 25 BF TS - 35 BF TS PR / DUETTO 25 BF TS - 35 BF TS PR" functional diagram
Consensus for start-up
Heater stat
Heater
Motor
Ignition transform.
Gas-oil valve
Flame
Stop light
NOTE: On "DUETTO 25 BF TS - 35 BF TS PR" without stat, the heater is always fed in winter position.
2.7.4 "SOLO 35 BF TS - DUETTO 35 BF TS" functional diagram
Consensus for start-up
Motor
Ignition transform.
Gas-oil valve
Flame
Stop light
70
PA Water switch
PI C.H. pump
PB D.H.W. pump
B Burner
TA Room stat
C RVA 43.222 unit
connectors (optional)
SS Boiler immersion
probe QA721 (optional)
SC Heater immersion
probe QA721 (optional)
SE External temperature
probe QAC31 (optional)
Normal
0÷150 s ~ 12 s
Normal
~ 12 s
UA Room unit QAA70 (optional)
OP Time programmer
NOTE: When connecting the room stat
(TA) remove the bridge between termi-
nals 17-18.
When connecting the RVA 43.222 unit
remove the bridge between terminals
13-14 and 17-18.
When connecting the time program-
mer (OP) remove the bridge between
terminals 15-16.
Stopped due to failure to ignite
0÷150 s ~ 12 s ~ 5 s
Stopped due to failure to ignite
~ 12 s ~ 5 s
Fig. 9/a