Xylem MOH2 Multi zone mixing module (obsolete) Manual do Utilizador descarregar pdf (Página 15)

Installation and operation manual MOH2

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Pressure test

• Pressurize the pressure hose

• Now all heating loops including the compression fittings are being

pressure tested.

Start-up

Preconditions:

•The system boiler loop must be filled properly.

• The floor heating system must be filled properly

• A suitable control for the MOH2 module must be in place. Caution:

operation without a suitable control can result in overheating of the floor

heating system.

• The bypass valve must be set in accordance with the control method

selected and the system parameters.

• The presetting knob must be set correctly for the system.

• The heating loops must be open.

• The connection to the boiler loop [ball valves 10 and 11] must be open.

Start-up

• If the preconditions are met, the system can be started up.

• First switch on the control.

• The first heating up of a floor heating system can take a long time since

the floor can absorb a lot of heat. Additionally, in new construction, the

high humidity in the slab can delay the heat up process.

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Xylem MOH2 Multi zone mixing module (obsolete) Manual do Utilizador Página 15