Commissioning Part I
44
Instructions for installation and servicing ecoTEC 839592_13
5
Boiler
Nominal net heat
input in kW
as per BS EN 483
Gas flow rate
Natural gas in m
3
/h
Propane in kg/h
nominal
+ 5%
- 10%
nominal
+ 5%
- 10%
ecoTEC plus 612
12.2
1.29
1.36
1.16
0.95
1.00
0.85
ecoTEC plus 615
15.3
1.62
1.70
1.46
1.19
1.25
1.07
ecoTEC plus 618
18.4
1.95
2.04
1.75
1.43
1.50
1.29
ecoTEC plus 624
24.5
2.59
2.72
2.33
1.90
2.00
1.71
ecoTEC plus 630
30.6
3.24
3.40
2.91
2.38
2.50
2.14
ecoTEC plus 637
37.8
4.00
4.20
3.60
2.94
3.08
2.64
ecoTEC plus 824
23.5
2.49
2.61
2.24
1.83
1.92
1.64
ecoTEC plus 831
31.6
3.34
3.51
3.01
2.45
2.58
2.21
ecoTEC plus 837
37.8
4.00
4.20
3.60
2.94
3.08
2.64
ecoTEC pro 24
23.5
2.49
2.61
2.24
1.83
1.92
1.64
ecoTEC pro 28
28.6
3.03
3.18
2.72
2.22
2.33
2.00
Table 5.1 Gas flow rates
>
If the measured gas flow rate lies outside the toler-
ance limits specified in Table 5.1, do not operate the
boiler and inform the Vaillant Service Solutions
(0870 6060 777).
If the measured gas flow rate is within the tolerance
limits shown in Table 5.1, then proceed as follows:
>
Take the boiler out of operation by
- Pressing the + and i buttons simultaneously and turn
down both thermostat control knobs.
- Only for combination boilers: Allow the boiler to cool
down by turning off water taps and allow pump over-
run to operate for a minimum of two minutes.
>
Record the boiler maximum gas flow rate onto the
Benchmark gas boiler commissioning checklist.
5.9.3 Checking the gas inlet working pressure
>
Ensure that the gas inlet working pressure can be
obtained with all other gas appliances in the property
working.
>
Remove the front casing from the boiler.
>
Close the gas isolation valve of the boiler.
Содержание ecoTEC plus
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