Closed Water Heater; Open Outlet Water Heater - Bosch TR5500T 80 Montage- Und Gebrauchsanweisung

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Closed water heater

• Only a prototype-tested diaphragm safety valve may be installed.
• During the heating process, expansion water must drip out of the
safety valve outlet.
The outlet pipe of the safety valve must remain open to the
atmosphere.
• The safety valve prevents excessive pressure from developing in the
water heater during the heating process. Expansion water must be
able to drain off via the safety valve.
• Do not block the outlet pipe!
• The size of the outlet pipe must suit the fully opened safety valve. The
blow-off opening of the safety valve must remain open to the
atmosphere.
• The blow-off pipe of the safety group must be installed with a
constant decline in a frost-free room. Regular maintenance and
operation of the safety valve are required to remove deposits and to
ensure that the safety valve is not blocked.
• The installation instructions of the safety group must be followed.
• A shutoff valve must not be installed between the safety valve and the
water heater.
• Supplied stickers: "For reasons of safety, water must come out of the
outlet pipe during the heating period! Do not block!" – attach the
stickers to the outlet pipe in a clearly visible position.
• The safety valve must be operated regularly to verify its function and
to decalcify the valve.
• If a stationary appliance is not fitted with a supply cord and a plug, or
with other means for disconnection from the supply mains having a
contact separation in all poles that provide full disconnection under
overvoltage category III conditions, the instructions shall state that
means for disconnection must be incorporated in the fixed wiring in
accordance with the wiring rules.
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Open outlet water heater

• The water heater is only suitable for use with an open
(unpressurised) and a single tap connection. The warm water
outlet is used for pressure compensation and may only be
connected to suitable fittings (Order-No. BZ11114, BZ12411).
• The tap outlet must always remain free. Do not use perlators
(diffusers) or shower taps.
• The instructions for unpressurised (open) water heaters that are
used with a spray head must state that the spray head must be
regularly cleaned and water scale removed.
• The installation instructions for unpressurised (open) water heaters
must state that the water outlet must only be connected to the
specified valves and fittings and NOT to any others.
TR5500T – 6 720 875 993 (2017/12)
Closed water heater
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