Hoval UltraGas (35-650), Руководство по эксплуатации

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5. System start-up
Commissioning of a newly installed system may only be carried out by a qua-
lified installer. A full installation check must be completed prior to start-up.
- Set the main SYSTEM switch to “0”
- Open the shut-off valves in the flow and return lines.
- Open the gas shut-off cock in the boiler supply line
- Switch on the main switch outside the boiler room (if present). Frequently,
the heating system has an additional emergency switch that switches off
only the gas burner.
- With the UltraGas
®
, fill the odour trap (siphon) in the condensate drain pipe
with water before starting up the system.
5.1 Checks prior to start-up
Check the water level in the heating system.
The heating system must be filled with water and all the air removed. Observe
the regulations regarding antifreeze and water treatment.
Open the shut-off valves in the flow and return lines.
Check the fresh air supply to the heating system.
Check the settings for the operating modes.
5.2 Switching on the system
Open the gas cock.
Switch on the main switch on the boiler.
Set the boiler control unit to the desired operating mode and temperature.
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4. Functional principle of the heating system / 5. System start-up
According to the chosen heating principle, components can be added or reduced. Ask your specialist for
an explanation of your plant.
The water heated in the boiler will be leaded to the radiators or it will be added to the hot water (calorifier).
Radiator,
evt. floor heating
Heating pump
Heating boiler
Mixing valve
Calorifier
Chimney,
flue system