Service Handbook OGS/OGB
Step 10: Adjust burner (if necessary)
Instructions:
Check the measured gas exhaust values from Step 9 on Chart 5 "Gas exhaust
value @ Min" and if necessary, set the correct value on the gas valve using the
screw (Torx wrench).
Chart 5: Gas exhaust value @ Min
All gas types
O
2
.= 5,5%±0,3%
All gas types
= 1,35±0,02
Erdgas /
Natural Gas
CO
2
= 8,8%±0,1%
LP Gas =
Propan
Butan
CO
2
= 10,3%±0,2%
CO
2
= 11,6%±0,3%
Page 9 / 12
Attention: Read the measured value at least 1 minute after adjustment!
Step 11: Readjust MAX speed
Instructions:
In order to check again the adjustment of the burner for a full load, you have to
be in the Service programme in Service point c27/c28 = "Nmax" (!) readjust the
value of the MAX speed.
Instructions for adjusting the Service point are similar to those in Step 6
Chart 3: Speed (Start speed = Start)
6.10 6.20 10.10 10.20 12.20 20.10 20.20
HL MIN c26
4800 2800 2800 2800 2800 2800 2800
HL MAX c27
5500 5600 5600 6000 6500 5600 6000
HL START c28
4800 4200 4200 4500 4500 4200 4500
DE MIN c37
4500 4700 3000 3200 3200 3200 3200
DE MAX c38
5400 4900 4900 6000 7000 6000 7000
DE START c39
4500 2800 3000 3200 3200 3200 3200
Step 12: Start burner and check gas exhaust values at
MAX speed
Instructions: Start unit and measure gas exhaust values
When adjusting the convection burners Start the Convection programme
;
When adjusting the steam generator burners Start the Steam programme
.
AS/11-2011 / Part No.: 7016396 6_25e_Readjusting the Gas valves_d
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