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to test the operating functionality of the valve. Handle (Fig. 1, p. 15) is intended to open
the valve. It is necessary to control when operating water heater this handle to be in
position closing water draining from the tank.
Electrical safety and corrosion protection of EWH are guaranteed only if there is an
effective grounding in accordance with applicable electric installation rules and regula-
tions.
Plumbing pipes and fittings shall conform to parameters of water main and have
the required certificates of quality.
When installing and operating EWH the following is not allowed:
•
To power EWH if EWH is not filled with water.
•
To remove the protective cover when the power is on.
•
Use EWH without grounding or use water pipes as grounding.
•
To connect EWH to water supply with pressure exceeding 0.8 MPa.
•
To connect EWH to the water supply without safety valve.
•
To drain water from EWH with power switched on.
•
To use spare parts not recommended by the manufacturer.
•
To use water from the EWH for cooking.
•
To use water containing impurities (sand, small stones), which might lead to
EWH and safety valve breakdown.
•
To modify design and installation dimensions of EWH brackets.
Ambient temperature shall be within the range of 3ºС to 40ºС. Water in freezing
EWH at negative temperatures results in malfunction, which is not a warranty case.
Attention should be paid to children so that they do not play with EWH.
EWH is not intended for use by persons (including children) with limited
physical, sensory or mental capabilities, or by persons who do not know
how to use the EWH, except for cases when this happens under the
supervision or instructions by persons responsible for safety of the EWH.
During EWH operation, it shall be inspected regularly for proper health (absence
of dripping, burning smell, wiring sparks, etc.). In the case of long interruptions in water
heater operation, water supply failures, EWH shall be disabled and cold water inlet
valve shall be shut off.
5.
SPECIFYING SECURITY MEASURES
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