PART III: MAINTENANCE
17
ELECTRICAL DIAGRAMS
Electrical diagrams 01-320 Rev. 3 e 01-427 - Complete key
C1
Operation time counter first stage
C2
Operation time counter first stage
ER
Flame detection electrode
EV1
Gas solenoid valve, Ist stage, DUNGS MB-ZRDLE
EV2
Gas solenoid valve, 2nd stage, DUNGS MB-ZRDLE
F
Fuse
IL
Main switch
L
Phase
LAF
Burner in high flame operation light
LB
Flame lockout light
LBF
Burner in low flame operation light
LGB.. / LMG..
LANDIS flame control device
MA
Burner supply terminal board
MV
Fan motor
N
Neutral
PA
Air pressure switch
PG
Minimum gas pressure switch
SQN30.151
LANDIS servocontrol for air damper (alternate)
SQN70.224A20
LANDIS servocontrol for air damper (alternate)
ST
Group of thermostats or pressure switches
STA4.5B0.37/63N21L
BERGER servocontrol for air damper
STA6B3.41/63N21L
BERGER servocontrol for air damper (alternate)
TA
Ignition transformer
TAB
High-low flame pressure switch or thermostat (if fitted remove the bridge between terminals T6 and T8)
TS
Safety thermostat or pressure switch on boiler
VPS504
Dungs valves leakage control (optional)
SERVOCONTROL CAMS
ATTENTION:
1 - Power supply 230V 50Hz 2N a.c.
2 - Don’t reverse phase and neutral
3 - Ensure the burner is properly earthed
LANDIS
SQN30.151
BERGER
STA6BB3.41
LANDIS
SQN70.224A20
BERGER
STA4.5B0.37
I
ST2
RED
I High
flame
II
ST0
BLUE
II
Stand-by
III
ST1
ORANGE
IV
Low flame
V
MV
BLACK
III
Not used
Summary of Contents for S10
Page 18: ...PART III MAINTENANCE 18 ELECTRICAL DIAGRAMS Electrical diagram 01 320 Rev 3...
Page 19: ...PART III MAINTENANCE 19 Electrical diagram 01 427...
Page 20: ...PART III MAINTENANCE 20 SPARE PARTS...
Page 29: ...APPENDIX COMPONENTS CHARACTERISTICS 29...
Page 30: ...APPENDIX COMPONENTS CHARACTERISTICS 30...
Page 31: ...APPENDIX COMPONENTS CHARACTERISTICS 31...
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