Connection and wiring diagrams
Connection and wiring diagramĂćĂpower supply and pump connections
97/98
5692Ă485ĂGB
*1
Circulation pump optionally with and without BUS connection.
*2
DHW circulation pump in the as delivered condition.
Optional use of the boiler circuit pump, subject to system design; observe coding.
PCB inside front frame
A2
INTERNAL ASSEMBLIES
EXTERNAL PUMP CONNECTIONS
INTERNAL POWER SUPPL Y
Circulation
pump to
DHW heating
DHW circu-
lation pump
Heating circuit
pump
Burner
fan
INTERNAL
CONNECTIONS:
SEE PART 2
MAIN
CIRCUIT
BOARD
PART 1
LGM 29 BURNER CONTROL UNIT
EXTERNAL CONNECTIONS: SEE P ART 2
VR 20 control unit
A5
As delivered
condition
Ionisation amp-
lifier in special
networks
System supply
for accessories
230 ~ 3A
Mains supply
230 ~ , 50Hz
A3
Switch
circuit
board
Operating unit A4
or
Red
Green
Fan control
electronics
2.5 A 6.3 A
(slow) (slow)
6.3 A
(slow)
Junction box ć circulation pumps
Summary of Contents for Vitodens 200
Page 25: ...25 Initial start up inspection and maintenance 5692Ă485 GB ...
Page 96: ...96 Control unit for weather compensated mode with Comfortrol prog unit 5692Ă485 GB ...
Page 99: ...101 5692Ă485ĂGB ...
Page 105: ...109 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 107: ...111 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 109: ...113 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...