Checking Function And Leak-Tightness; Thoroughly Flushing The Heating Installation ("Hot"); Adapting The Unit To The Heating Installation; Calling Up Diagnostics Codes - Vaillant ecoTEC pro Installation And Maintenance Instructions Manual

7.12

Checking function and leak-tightness

Before you hand the product over to the operator:
▶
Check the gas line, the flue gas installation, the heating
installation and the hot water pipes for leaks.
▶
Check that the air/flue pipe and condensate drain pipe-
work have been installed correctly.
▶
Check that the front casing has been installed correctly.
7.12.1 Checking the heating mode
1. Make sure that there is a heat requirement.
2. Call up the Live Monitor.
◁
If the product is working correctly, the display shows
S.04.
7.12.2 Checking the hot water generation
1. Open a hot water valve all the way.
2. Call up the Live Monitor.
◁
If the hot water generation is working correctly, S.14
appears in the display.
7.13 Thoroughly flushing the heating installation
("hot")
1. Operate the appliance until the boiler and the heating
system are up to temperature.
2. Check the heating system for leaks.
3. Connect a hose to the drain valve located at the lowest
position of the heating system.
4. Shut off the boiler, open the drain valve and all purge
valves on the radiators and allow the water to flow out
of the heating system and the boiler quickly and fully.
5. Close the drain valve.
6. Fill the heating system again with water as described in
Filling the heating installation (→ Page 19) and Purging
the heating installation (→ Page 20).
7. Re-fill the system until the system design pressure of
0,1 MPa (1,0 bar) is attained.
Note
The actual reading on the digital pressure
gauge should ideally be 0,05 MPa (0,5 bar)
plus an additional pressure corresponding
to the highest point of the system above the
base of the boiler – 10 m head equals an ad-
ditional 1 bar reading on the pressure gauge.
The minimum pressure should not be less
than 0,1 MPa (1 bar) in any installation. If
the system is to be treated with an inhibitor it
should be applied at this stage in accordance
with the manufacturer's instructions. Further
information can be obtained from Sentinel,
Betz Dearborn Ltd., Tel: 0151 420 9595, or
Fernox, Alpha– Fry technologies. Tel: 0870
8700362.
8. Install the front casing.
0020209589_01 ecoTEC pro Installation and maintenance instructions

Adapting the unit to the heating installation 8

8 Adapting the unit to the heating
installation
8.1

Calling up diagnostics codes

You can find the setting options in the diagnostics codes in
the installer level.
Overview of diagnostics codes (→ Page 31)
▶
Call up the installer level. (→ Page 17)
8.2

Burner anti-cycling time

To prevent frequent switching on and off of the burner and
thus prevent energy losses, an electronic restart lockout
is activated for a specific period each time the burner is
switched off. The burner anti-cycling time is only active
for the heating mode. Hot water handling during a burner
anti-cycling time does not affect the time function element
(default setting: 20 mins).
8.2.1 Setting the burner anti-cycling time
1. Navigate to diagnostics code D.002 in the installer level
and confirm by pressing
2. Set the burner anti-cycling time and confirm by pressing
.
T
Flow
(tar-
get)
[°C]
30
35
40
45
50
55
60
65
70
75
T
Flow
(target)
[°C]
30
35
40
45
50
55
60
65
70
75
.
Set maximum burner anti-cycling time [min]
1 5 10 15
2.0 4.0 8.5 12.5 16.5
2.0 4.0 7.5 11.0 15.0
2.0 3.5 6.5 10.0 13.0
2.0 3.0 6.0 8.5 11.5
2.0 3.0 5.0 7.5 9.5
2.0 2.5 4.5 6.0 8.0
2.0 2.0 3.5 5.0 6.0
2.0 1.5 2.5 3.5 4.5
2.0 1.5 2.0 2.5 2.5
2.0 1.0 1.0 1.0 1.0
Set maximum burner anti-cycling time
[min]
35 40 45 50
29.0 33.0 37.0 41.0
25.5 29.5 33.0 36.5
22.5 26.0 29.0 32.0
19.5 22.5 25.0 27.5
16.5 18.5 21.0 23.5
13.5 15.0 17.0 19.0
10.5 11.5 13.0 14.5
7.0 8.0 9.0 10.0
4.0 4.5 5.0 5.5
1.0 1.0 1.0 1.0
20 25 30
20.5 25.0
18.5 22.0
16.5 19.5
14.0 17.0
12.0 14.0
10.0 11.5
7.5 9.0
5.5 6.5
3.0 3.5
1.0 1.0
55 60
45.0 49.5
40.5 44.0
35.5 38.5
30.5 33.0
25.5 28.0
20.5 22.5
15.5 17.0
11.0 11.5
6.0 6.5
1.0 1.0
23