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E.04.99 • G. 13.11.07
Overview ........................................................................................................... 3
General information / safety information .................................................................................... 3
Declaration of conformity ........................................................................................................... 3
Checking scope of delivery and connection data....................................................................... 3
Operating instructions ................................................................................................................ 4
Instruction of operating personnel.............................................................................................. 4
Maintenance and customer service ........................................................................................... 4
Key for code designation ........................................................................................................... 4
Technical specifications ............................................................................................................. 4
Installation ......................................................................................................... 5
Installing flange and burner........................................................................................................ 5
Checking electrode setting......................................................................................................... 5
Installing gas assembly .............................................................................................................. 5
Establishing electrical connections ............................................................................................ 6
Function ............................................................................................................. 7
Control unit DMG 970 / 972 ....................................................................................................... 7
Air flow setting, dimension “A”.................................................................................................... 8
Air flap positioning motor .......................................................................................................... 9
Compact gas unit ...................................................................................................................... 10
Gas pressure monitor ................................................................................................................ 10
Start-up .............................................................................................................. 11
Adjustment tables RG20(-L) ...................................................................................................... 11
Adjustment tables RG20-Z(-M)-L .............................................................................................. 12
Adjustment tables RG30 ........................................................................................................... 13
Adjustment tables RG30-Z(-M)-L ............................................................................................... 14
Adjusting gas burner and boiler ................................................................................................. 15
Calculation principle for gas burner adjustment ......................................................................... 19
Design ............................................................................................................... 21
Exploded drawing and spare parts/parts list RG20.................................................................... 21
Exploded drawing and spare parts/parts list RG30.................................................................... 23
Service instructions/dimensions ........................................................................ 25
Service position.......................................................................................................................... 25
Reference dimensions, ignition and ionisation electrodes ........................................................ 25
Measuring ionisation current ..................................................................................................... 26
Servicing air pressure monitor .................................................................................................. 26
Wiring diagrams ......................................................................................................................... 27
Troubleshooting ......................................................................................................................... 31
Burner overall dimensions / boiler connection dimensions ........................................................ 32
Working ranges .......................................................................................................................... 32
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