WIRING DIAGRAM
Key
IG
Main switch
TS
Safety thermostat, 100°C
TM
Minimum thermostat set to 45°C
TA
Room thermostat
IB
Burner switch
SB
Burner lockout indicator light
SL
Power indicator light
Ch
Hour counter
PI
System pump
IPi
System pump switch
TR1-TR2 2-stage thermostat 1
(30°-90°C Δt 1
F /K
Connection
for RVP temperature controller
L
N
3-20
- 39 -
GENERAL
st
- 2
nd
flame
st
- 2
nd
flame = 7°C)
Terminals on connection
terminal block