Cleaning The Heat Exchanger; Checking The Burner; Checking The Ignition Electrode; 11.10 Cleaning The Condensate Siphon - Vaillant ecoFIT pure Installation And Maintenance Instructions Manual

11 Inspection and maintenance
7
7
8
10. Remove the burner seals (7) and the burner (8).
11. Check the burner and the heat exchanger for damage
and dirt.
12. If necessary, clean or replace the components accord-
ing to the following sections.
13. Install the two new burner seals.
11.7

Cleaning the heat exchanger

1
1. Protect the folded down electronics box against sprayed
water.
2. Clean the ribs of the heat exchanger (1) with water.
◁
The water runs out into the condensate tray.
11.8

Checking the burner

1. Search the surface of the burner for possible damage. If
you see any damage, replace the burner.
2. Install the two new burner seals.
11.9

Checking the ignition electrode

3 4
2
1
1. Disconnect the connection (2) and the earthing cable
(1).
2. Remove the fixing screws (3).
3. Carefully remove the electrode from the combustion
chamber.
4. Check that the electrode ends (4) are undamaged.
5. Check the electrode distance.
26
5
–
Clearance for the ignition electrodes: 3.5 ... 4.5 mm
6. Make sure that the seal (5) is free from damage.
▽
If necessary, replace the seal.

11.10 Cleaning the condensate siphon

C
1. Unclip the lower section of the siphon (1) from the up-
per section of the siphon (2).
2. Remove the float (3).
3. Flush out the float and lower section of the siphon with
water.
4. Fill the lower section of the siphon with water up to 10
mm below the upper edge of the condensate drain pipe-
work.
5. Reinsert the float (3).
Note
Check whether the float is present in the
condensate siphon.
6. Clip the lower section of the siphon (1) into the upper
section of the siphon (2).

11.11 Installing the gas-air mixture unit

1. Install the burner.
2. Install two new burner seals in the burner cover.
3. Install the gas-air mixture unit.
4. Tighten the screws on the gas-air mixture unit to 7 Nm.
5. Install the flue gas pipe.
6. Install the air intake pipe.
Installation and maintenance instructions ecoFIT pure 0020230533_01
2
B
A
3
1