Convotherm OGS 6.10 - Page 197

Service Handbook OGS/OGB
 Atten
tion: Hang the measuring unit on the "right" chimney!
OGS OGB
6.10
6.20
10.10
10.20
12.20
6.10
6.20
10.10
10.20
12.20
OGS
20.10
*
20.20
*
HL1
HL
2
OGB
20.10
*
20.20
*
 Measure the gas exhaust value, after 1 minute read the measured value and
check with the CO
2
value on the Chart 4 "Gas exhaust values @ Max".
 Record the CO
2
and CO values. At a CO value > 500 ppm switch off the unit
and check the cause of the excessive CO value.
Page 7 / 12
 If necessary, set the correct value (see chart 4) by adjusting the Venturi screw
(1) with the screw driver.
Chart 4: Gas exhaust values @ Max
All gas types O
2
.= 4,8%±0,3%
All gas types  = 1,30±0,02
Erdgas /
Natural Gas CO
2
= 9,0%±0,1%
LP Gas =
Propan
Butan
CO
2
=
10,5%±0,2%
CO
2
=
12,2%±0,3%
 Attention: Read the measured value at least 1 minute after adjustment!
O
2

CO
2

O
2

CO
2

AS/11-2011 / Part No.: 7016396 6_25e_Readjusting the Gas valves_d