Vaillant ecoTEC pro 24, Instructions For Installation And Servicing

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Instructions for installation and servicing ecoTEC / 839592_09
5.6 Filling the condensate siphon
1
Fig. 5.4 Filling the condensate siphon
Danger!
Note that if the boiler is run with an empty
condensate trap there is a danger that fumes
might escape into the room and cause poison-
ing. For this reason, it is important to ensure
that the trap is topped up each time the unit is
cleaned.
• Remove the lower part ( 1 ) of the condensate siphon by
turning the bayonet catch in anticlockwise direction.
• Fill the lower part with water until about 10 mm below
the upper edge.
• Refit the lower part of the condensate siphon.
5.7 Adjusting the pumping capacity
Only in ecoTEC plus boilers:
The capacity of the two-stage pump can be adjusted to
the requirements of the heating system. If needed,
change the setting of the operating mode dependent
pump speed under the diagnostic number “
d.19 ” (see
section 8.1.2).
5.8 Adjusting the by-pass
The appliances have an adjustable by-pass valve.
The pressure can be adjusted between 170 and
350 mbar. Approx. 250 mbar is preset (mid-position).
The pressure changes by approx. 10 mbar each time the
adjusting screw is rotated. By turning right, the pressure
increases and turning left decreases it.
1
Fig. 5.11 Adjusting the by-pass valve (in combination boilers)
1
Fig. 5.12 Adjusting the by-pass valve (in system boilers)
• Regulating the by-pass on the adjusting screw ( 1 ).
5.9 Checking the gas supply
5.9.1 Factory settings
Caution!
Before operating the boiler check the data
badge and ensure that the correct gas type
appliance has been installed.
The boiler is supplied ready adjusted and no further gas
adjustments are necessary, however both the gas inlet
working pressures and maximum gas rates should be
checked as detailed in 5.9.2 and 5.9.3.
5 Commissioning Part I