6 Using the heating system – Performing a chimney sweep measurement
61
B
EFORE
THE
TEST
1.
Clean the heating system completely about three to four days
before the chimney sweep test.
✎
See chapter “7 Cleaning and servicing the heating system”,
section “7.1 Cleaning and servicing schedule”.
2.
Clean the lambda sensor and check that it is securely mounted,
tighten if necessary.
✎
See chapter “7 Cleaning and servicing the heating system”,
section “7.1 Cleaning and servicing schedule”.
O
N
THE
DAY
OF
THE
TEST
1.
On the day of test, heat up the boiler one hour before the
scheduled appointment.
✎
See chapter 6 “Using the heating system”, section 6.3 “Heating up
the heating system”.
2.
Only fill the fuel chamber up half way.
Caution!
Material damage and injury due to incorrect chimney sweep test
The chimney sweep test requires comprehensive technical
knowledge.
Only allow authorised specialists to perform the chimney sweep
test.
Important!
•
The boiler must have been heated at least once during the
period between the cleaning and the chimney sweep test.
•
Oak wood, wood briquettes, boards, scrap wood and wood chips
are not suitable for the chimney sweep test.
•
At the start of the test the boiler temperature should not be
below 60 °C. The temperature of the accumulator should not be
higher than 60°C. Ensure that the heating circuit has sufficient
heat transfer capacity.
•
The heating system must be fitted with a chimney draught
regulator to ensure that the maximum permissible flue draught
requirement of 20 Pa is not exceeded.
•
At the start of test, the residual oxygen value should be below
6%.
•
Having the test repeated by the combustion engineer or by HDG
specialists will incur charges.
Summary of Contents for F20
Page 1: ...hdg bavaria com HDG F20 25 30 HDG F40 50 Operating manual ...
Page 2: ......
Page 87: ......