hajdu PT 500 CF.2, Operating Instructions Manual

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2
PT 500 CF.2 • PT 750 CF.2 • PT 1000 CF.2
as well as the mains in the case of auxiliary electric heating at the place of
installation.
• In order to minimize heat losses, install the buffer storage tank as close as
possible to the heat consumers. It is advisable to protect the pipelines with
thermal insulation.
• The unused connection sockets of the buffer storage tank must be closed, and it is
strongly recommended to insulate them.
It is mandatory to install a safety valve and an
expansion tank.
It is dangerous and prohibited to expose the
storage tank and the heat exchangers to
pressure greater than the permissible operating
pressure.
It is forbidden to install plumbing fixtures
between the safety valve and the buffer storage
tank.
It is mandatory to install a safety valve, but it is not provided with the tank.
The maximum opening pressure of the safety valve is 3 bar (0.3 MPa). All elements
of the system must be able to withstand the operating pressure.
• Installation and commissioning may only be carried out by a qualified
contractor.
• Before the installation of the valve, the tubing must be thoroughly flushed to avoid
damage caused by possible contamination.
• After installation, the pipes and the tank must be thoroughly rinsed, and then the
tank must be filled with water.
• The operation of the safety valve must be checked and air that may have collected
must be blown out.
• Before first use, the buffer storage tank must be completely filled and vented.
• The maximum buffer temperature set on boilers in the same system as the buffer
storage tank must not exceed 80 °C.
• After the first warm-up, check the seals.
• Product application area: For public health reasons, the temperature of water
intended for human use that comes into contact with the product must not
exceed 80°C. The water network section containing the product must be filled
with domestic hot water for at least 1 day. Rinsing water must be discharged
into drains, and it must not be used for domestic purposes. Only then may the