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ACV HEATMASTER 100 N Manual

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ENFRRU PL DE IT ES NL
EN • 16
664Y5400•B
INSTALLATION
DHW CONNECTION
The DHW tank must be pressurized before putting the
primary circuit (heating) under pressure.
The HeatMaster® boiler can be connected directly to the DHW circuit.
Flush the system before connecting the domestic hot water circuit.
The installation must be fitted with an approved safety group, comprised
of a 7 bar safety valve, a check valve and a shut-off valve.
During the heating process, the domestic hot water expands and the
pressure increases. As soon as the pressure exceeds the safety valve
setting, the valve opens and discharges a small quantity of water.
Using a hot water expansion vessel (2 liters at least) will prevent this
phenomenon and reduce the water hammer effect.
The hot water output may reach temperatures in excess of
60°C, which can cause burns.
ACV therefore recommends that you install a thermostatic
mixing valve immediately after the appliance outlet.
If stop valves are used in the domestic hot water system,
they can cause pressure changes when closed.
Use devices designed to reduce water hammer effect to
avoid this phenomenon.
1. Cold water supply valve
2. Check valve
3. Pressure reducing valve
4. Domestic hot water safety valve set at 7 bar
5. DHW circuit expansion vessel
6. DHW secondary pump (if fitted)
7. Thermostatic mixing valve
8. Draw-off tap
9. Draining valve
10. Stop valve for cleaning
11. Temperature relief valve (UK only)
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EXAMPLE OF HEATING + STORAGE CONNECTION
Recommended for applications requiring a high peak flow.
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EXAMPLE OF PARALLEL CONNECTION
Recommended for applications with a high constant flow.
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EXAMPLE OF SERIES CONNECTION
Preferable for high-temperature applications with up to 3 units
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ACV HEATMASTER 100 N User Manual - German - 26 pages

ACV HEATMASTER 100 N User Manual - Dutch - 20 pages


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