Initial Start-up, Inspection and Maintenance
50
Steps
(continued)
6. Relais tests
S
ervice
Start-up and Maintenance
The Vitodens 100-W boiler is factory
preset for operation with natural gas. It
is recommended that a CO
2
check be
performed at the boiler vent pipe
adaptor as part of the initial
start-up/maintenance procedure.
The cylinder burner of the Vitodens
100-W is preset. No adjustment or
readjustment of the burner is required.
The CO
2
value lies within the range of
H 6.6 to 10.0% for natural gas
The CO
2
value measured must be
compared with the above CO
2
value.
Note:
If step 7 above is not performed, the
process will end automatically after 30
minutes.
If the CO
2
value measured lies more
than 1% outside the stated range,
perform the following step:
H Check the venting system for leaks
(refer to the Vitodens Venting
System Installation Instructions).
1. To bring the boiler to a high fire
position, from a 12:00 o’clock
position quickly (in less than 2
seconds) turn selector dial “tr“
clockwise to the end, then back
again into the high fire control range
(between 12:00 and 4:00 o’clock).
See top illustration on left. Turning
the selector dial “tr“ counter
clockwise between the 12:00 and
8:00 o’clock position will bring the
boiler to the low fire position. See
illustration on bottom left.
2. Check the CO
2
content. Should the
actual value deviate by more than
1% from the above range, check the
seals in the balanced flue system.
3. Enter actual values into the service
report.
4. To bring the boiler to a low fire
position, from a 12:00 o’clock
position quickly (in less than 2
seconds) turn selector dial “tr“
clockwise to the end, then back
again into the low fire control range
(between 12:00 and 8:00 o’clock).
See bottom illustration on left.
Turning the selector dial “tr“
clockwise between the 12:00 and
4:00 o’clock position will bring the
boiler to the high fire position. See
illustration on top left.
5. Check the CO
2
content. Should the
actual value deviate by more than
1% from the above range, check the
seals in the balanced flue system.
6. Enter actual values into the service
report.
7. Once checked, turn the selector dial
“tr“ in less than 2 seconds
clockwise to the end and back again
into the control range.
5581 775 1.3
IMPORTANT
Control range - high fire
psi
SERV
F
blinking
Control range - low fire
psi
SERV
F
blinking
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