Giersch RG30 - Air Flow Setting, Dimension A

8
E.04.99 • G. 13.11.07
Function
Air flow setting, dimension “A”
1 Dimension “A”
2 Adjusting screw for air restrictor (RG20)
3 Adjusting screw for air restrictor (RG30)
RG20:
Turn screw (2) anticlockwise: increase air “+”
Turn screw (2) clockwise: reduce air “-”
RG30:
Turn nut clockwise (3): increase air “+”
Turn nut (3) anticlockwise: reduce air “-”
Air flap positioning motor
Cooling of furnace avoided during burner standstill.
SA2-F [for RG20-L-N(-F) only]:
Position “OPEN” - “CLOSED” of electric-motor-driven
unit indicated at display lever. When servicing/retrofit-
ting, refer to wiring diagram on Page 27.
Do not turn red positioning lever by hand as mecha-
nism is destructible.
Fault message Flash code Cause of defect
Fault shutdown safety time No flame detection within the safety time
External light fault External light during monitored phase, sensor possibly
defective
Air controller in working
position
Air controller contact fused
Air controller time-out Air controller does not close within a defined time span
Air controller opens Air controller contact opens during start-up or operation
Flame failure Flame failure signal in operation
RG 20
RG 30
2
1
1
3