Installation And Operating Instructions; Maintenance/Service - Wilo Voda Air/Dirt Instrucciones De Instalación Y Funcionamiento

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Installation and operating instructions

1.
Application
The Wilo-Voda Air/Dirt can be used in heating/cooling systems (with glycol-based
additives, max. 50%).
Wilo-Voda Air/Dirt (10 bar, 16 bar DN50 - 65) is in accordance with the Pressure
Equipment Directive 2014/68/EU.
2.
Safety
Minimum / maxumum system temperature –10 °C to (see label).
Minimum / maxumum system pressure at the Wilo-Voda Air/Dirt 0.2 / 10 bars.
Maxumum flow velocity through the Wilo-Voda Air/Dirt 1.5 m/s.
Maximum static height above Wilo-Voda Air/Dirt:
central heating: 30 meter, cooling system: 15 meter (fig. 1, 2).
3.
Construction/installation
Do not install the product above a suspended ceiling or in the vicinity of electronic
devices! Install the Wilo-Voda Air/Dirt in a dry location not susceptible to frost which is
easily accessible for maintenance purposes.
Heating system: install the Wilo-Voda Air/Dirt according primarily desired function
(dirt- or air separation) or directly before the boiler in the return pipe, else after the
boiler or mixing valve, in the supply pipe, ideally before the circulation pump (fig. 3).
Chilled water system: just before the chiller.
Make sure installation is performed by qualified personnel only.
Local legislation & guidelines must be observed at all times.
Flush the installation thoroughly before fitting the Wilo-Voda Air/Dirt.
The Wilo-Voda Air/Dirt must be fitted vertically (fig. 4).
The bleed port on the Wilo-Voda Air/Dirt has a 22 mm connection for fitting a drain pipe
(fig. 4). For service purposes, there must be at least 100 mm clearance above the bleed
port (fig. 5). In order to promote good blowing down, we recommend fitting valves
before and after the Wilo-Voda Air/Dirt (fig. 6).
4.

Maintenance/service

The Wilo-Voda Air/Dirt must be visually inspected regularly.
Should there be a leak from the bleed port, it can be closed with the screw (fig. 7).
Dirt that collects in the Wilo-Voda Air/Dirt's dirt trap can be flushed out using the drain
cock (fig. 8). Floating dirt can be drained by using the upper drain cock (fig. 9, models
DN 50 – DN 600). Servicing may only be carried out when the system has been
de-pressurized and has cooled down.
5.
Removal
De-pressurize the system and remove the Wilo-Voda Air/Dirt from the system.
Local legislation must be adhered to when disposing of the Wilo-Voda Air/Dirt.
Installation and operating instructions Wilo-Voda Air/Dirt
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