17
Bentone BG550/650
General
6.4
List of components LME22 (BG550/BG550LN/BG650)
If S6 is missing, connection between T6 and T8.
Mains connection and fuse in accordance with local regulations.
max loading K1
Connection A1,A2 / 95, 96 / 97, 98 Max 0,2A/15W
A1
Gas burner control
A2
Power control
A3
Valve, leak tester, Dungs VPS 504
A6
Power control R316
A6(2) PT 100-sensor, Thermocouple, current/voltage
B1
Ionization electrode
F1
Operation fuse
F2
Operation fuse
F3
Operation fuse
F4
Operation fuse 1A
H1
Lamp, low capacity
H2
Lamp, high capacity (Optional)
K1
Motor contactor with thermal overload protector
M1
Burner motor
M2
Damper motor, L&S SQN75.624.A21B
S1
Operating switch
S2
Operating switch, stage 2
S3
Control thermostat
S4
Temperature limiter
S5
Micro switch for hinged door
S6
Control thermostat, stage 2
S7
Main switch 3-phase
S8
Air pressure switch
S11 Change-over switch, Aut.-m
S12 Change-over switch, Increase-Reduce
S15 Control thermostat, 3-pole (only for 2-stage
sliding)
S20 Main switch 1-phase
T1
Ignition transformer
X1
Connection terminal board
X2
Earth terminal
X3
Plug-in contact, burner
X4
Plug-in contact, boiler
X5
Plug-in contact, stage 2, burner
X6
Plug-in contact, stage 2 boler
X7
Plug-in contact, 3-phase, burner
X8
Plug-in contact, 3-phase, boiler
X9
Plug-in contact, power controller R316, burner
X10 Plug-in contact, power controller R316
X15 Plug-in contact, power controller, burner
X16 Plug-in contact, power controller
S9
Gas pressure switch
Y1
Gas solenoid valve 1
Y2
Gas solenoid valve 2
Y3
Safety solenoid valve2