M4 Burner fan
mains Mains Connection 230V/50Hz
P1 PWM output
QX1...3 Multifunctional output
S1 Operating switch
S2 Unlocking
STB Safety temperature limiter
T1 Ignition transformer
TLP Domestic water charging pump *)
TWF DHW sensor type 36
TZP Domestic water circulation pump *)
X11,60 Bus module interface
X12,13 Service interfaces
Y2 Gas solenoid valve
*) Accessories
rs pink
rt red
vi purple
gr green
bl blue
sw black
or orange
br brown
gnge green/yellow
3 Technical specifications
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7703301 - 01 - 16072018