13
Rated heating
output
Pressure drop on the hot gas
side
kW Pa mbar
150 60 0.6
200 120 1.2
250 130 1.3
310 230 2.3
400 250 2.5
410 250 2.5
500 230 2.3
620 310 3.1
The minimum boiler water temperature for oil and gas
operation is 75 °C.
Safeguard the boiler return temperature (minimum
temperature) of 65 °C.
Set the minimum heating output for the base load
stage according to the conditions of the flue system.
Note that the flue system must be suitable for the low
flue gas temperatures that may occur.
In the event of frequent cycling in standby mode and
for partial loads below 40 %, we recommend the fol-
lowing:
■
Insulate the flue gas collector
■
Install a motorised flue gas damper
■
Set the minimum boiler runtime to 10 min
This extends the service life and reduces running
costs.
Instructing the system user
The installer should instruct the user in the operation of
the system.
Operating and service documents
1. Complete and detach the customer registration
card:
■
Hand system users their section for safekeeping.
■
Retain the heating contractor's section.
2. File all parts lists, operating and service instructions
in the folder and hand this over to the system user.
The installation instructions are no longer required
after the installation is complete and therefore do
not need to be retained.
Commissioning, inspection, maintenance
Adjusting the burner (cont.)
5692 701 GB
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