Functional Checks (Commissioning Part Ii) 6; Functional Checks; Procedure - Vaillant ecoMAX SERIES Instructions For Installation And Servicing

5 Finally, keep the "i" button pressed for about five
seconds, or until the display stops flashing. The value
is now saved to memory. The display will now return to
its normal state (current heating–system flow tempera-
ture, e.g. 45 °C).
Fig. 5.7 Adjusting the central heating output
6 Press the "i" and "+" buttons simultaneously to cancel
adjustment mode.
Adjustment mode is also cancelled if no button is ope-
rated for a period of 4 minutes.
Fig. 5.8 Adjustment of heating system part–load
Appliance
ecoMAX 613/2 E
ecoMAX 618/2 E
ecoMAX 622/2 E
ecoMAX 635
ecoMAX 824/2 E
ecoMAX 824/2 E
ecoMAX 835 E
Tab. 5.2 Heating system part–load adjustment ranges
Instructions for installation and servicing ecoMAX

Functional checks (commissioning part II) 6

≈ 5 sec
Heating Output
in kW
5 to 14
11 to 19
13 to 23
10 to 35
11 to 19
13 to 23
10 to 27
Commissioning Part I 5
6 Functional checks (commissioning part II)

6.1 Functional checks

6.1.1 Procedure

Once the unit has been installed and the gas supply has
been checked, operate the system to ensure that it is
working correctly.
• Operate the system, following the operating instruc-
tions supplied with the boiler.
• Check the system for water leaks and escaping gas.
• Check that the flue has been correctly installed, accor-
ding to the fitting instructions supplied with the flue
assembly.
• Check the burner for correct ignition and flame picture.
• ecoMAX 800: Check the hot water system for correct
operation.
• Check the heating system for correct operation.
Fig. 6.1 Test for correct functioning
I
0
39 39