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GB-049A_f.
1. Read and strictly follow the installation and operating instructions to ensure a long
life and reliable boiler operation.
2. An efficient electrical installation which has been completed in accordance with the
binding norms of electric installation.
3. A wet central heating system equipped with appropriate expansion vessel made
according to the binding norms of hydraulic installation – closed system.
4. A wet central heating system must be flushed before boiler installation.
5. Do not install any barrier fittings (e.g. valves) on the outlet of the safety valve.
6. Its recommended for CH with thermostatic radiator valves to apply the differential
pressure relief valve (bypass). It allows the system to keep minimal flow of medium
through the boiler and reduces a noises in installation during the thermostatic valves
closing. The valve must be installed in by- pass conduit (before the boiler) according
to manufacturer’s instruction.
7. Boiler must not be installed in a humid place or in a place exposed to the danger
of explosion.
8. Boiler installation and all electrical and hydraulic work must be performed by
a qualified professional installer only.
9. All installation work must be performed when the power and water supply is cut off.
10. Electric installation should be equipped with residual current protective devices
and other solutions which will ensure disconnecting the heater from the source of
power (intervals between all their poles should not be less than 3 mm).
11. Do not drain the water from central heating system after the heating season.
12. Leave the controller in stand-by mode and do not cut off power supply between the
heating seasons.
Safety instructions
