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STDITR01ADP2090EV TECNOFRIGO TUSCANY srl
Connections of hot water coil for supplementary heating
CAUTION! The power supply lines of hot water must be designed and made by qualified
personnel and in accordance with the legal provisions in force.
CAUTION! If there is a risk that the temperatures fall causing frosts, you must install a sensor
to be used with the coil for frost protection. If there is a risk of freezing and not installed the
sensor protection, the coil may be severely damaged.
CAUTION! If there is a risk that the temperatures fall, causing frost, it is advisable to install
a damper on the input of the reactivation air with automatic closing in case of low
temperature, to protect the coil. The damper is not included in the delivery.
NOTE! The hot water coil is adjusted for each delivery. For installation dimensions and/or
space, refer to the specific design.
NOTE! Any additional control equipment required for compliance with local regulations are
not included in the supply of TFT srl. For installation, refer to the documentation on the
external equipment.
Installation.
The connections to the hot water coil are located outside the unit. The shut-off valves are not included
in the standard delivery, but it is recommended to install them for easy maintenance and assistance.
Connection to the hot water coil: 3-way valve:
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