Checking The Connections And Pipes; Cleaning The Combustion Chamber And Condensate Siphon/Condensate Box - Daikin A2 F Installation And Operating Instructions Manual

9 Service and maintenance
Item Designation
6 Water tap
7 Automatic vent valve
8 Manometer
9 Vent valve (on site)
Tab. 9-1 Legend for Image 9-1
1 Connect the filling hose (Image
valve and an external manometer
KFE cock (Image 9-1, item 2) and secure it against slipping off
with a hose clamp.
2 Make sure that the automatic vent valve cap is open
item A).
For the initial filling, the heating system must be vented via an air
vent installed in the heat distribution system on site.
Image 9-2 Undoing the automatic vent valve cap
Item Designation
A Automatic vent valve cap
Tab. 9-2 Legend for Image 9-2
1 Open the water tap (Image 9-1, item 6) on the feed pipe.
2 Open the KFE cock (Image
sure gauge (Image 9-1, item 8).
3 Fill the system with water until the pressure gauge shows that
the system target pressure is reached (system height + 2 m,
1 m water column corresponds to 0.1 bar). The overpressure
valve must not actuate!
4 Close the KFE cock (Image
5 Close the water tap (Image 9-1, item 6) on the feed pipe.
6 Disconnect the filling hose (Image
valve from the KFE cock (Image
9.2.2

Checking the connections and pipes

WARNING
All work performed on live components must be carried out
in accordance with the proper procedures, otherwise there
may be a danger to the life and health of individuals and
the function of the A2 F may be impaired.
▪ Rectification of damage to live components of the A2 F
must only be carried out by heating engineers author-
ised and recognised by the energy supply company.
1 Remove the boiler cladding, see
2 Check all oil and water-conducting components and connections
for leakage and damage. If damaged, determine the cause and
change the damaged parts.
(8)
if not already installed in the heating system
Installation and operating instructions
46
9-1, item 1) with the non-return
8
(on the building side) to the
(Image
9-1, item 2) and observe the pres-
9-1, item 2).
9-1, item 1) with non-return
9-1, item 2).
Chap. 4.10.
3 Check the system pressure. If the pressure is too low, determine
and remedy the cause of the pressure loss. Refill the system ac-
cording to Chap.
4 Check all components of the flue system for leakage and dam-
age. Repair any damaged parts or replace them.
5 Check all electrical components, connections, and pipes. Repair
any damaged parts.
Checking the MC-7 universal micro exchangeable filter insert
▪ Check the MC-7 universal micro exchangeable filter element in
the breather oil filter (use only paper filters with max. 25 μm) and
replace if necessary.
9-2,
9.2.3 Cleaning the combustion chamber and
condensate siphon/condensate box
If there are impurities in the combustion chamber or unsatisfactory
combustion values are detected, the combustion chamber and
burner must be cleaned. If necessary, readjust the burner.
1 Remove the boiler cladding (see
2 Lift out the burner (see
or hook the burner in the mounting bracket (accessory).
Image 9-3 Pull off the burner
9.2.1.
Chap. 4.10).
Chap. 7.4) and place it next to the boiler
Daikin/ROTEX A2 F
Oil condensing boiler A2 F
008.1546499_01 – 03/2018 – EN