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TROVIS 5475-2 Heating and District Heating Controller

TROVIS 5475-2 Heating and District Heating Controller
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TROVIS 5475-2 Heating and District Heating Controller - 1

TROVIS 5400 Automation System TROVIS 5475-2 Heating and District Heating Controller On-off or three-step controller designed for wall or panel mounting (dimensions of front frame: 144 mm x 96 mm) Application Controller for self-optimizing, weather-sensitive flow temperature control in hot water heating systems and domestic hot water generation incorporating two control loops in which the integration of a solar collector loop is possible. Also applicable as controller with variable limitation of return flow temperature. The TROVIS 5475-2 Heating and District Heating Controller is a modern, weather-sensitive heating controller which is capable of calculating the ideal heating characteristic from the measured room temperature, thus eliminating the need to manually set the heating characteristic. Moreover, the instrument can be used for optimizing heating in periodically used buildings. It is provided with an adaptive algorithm for determining the buildings heating characteristic from the measured temperatures and calculating the optimum switch-on and switch-off times of the system. More features: Domestic hot water generation from either the primary loop, or from the secondary loop (priority loop) Differential temperature control for solar-supported heating of the drinking water storage tank configurable in two systems Up to four binary outputs for controlling the heating circulation pump, heat exchanger charging pump or solar circulation pump, storage charging pump and circulation pump Inputs for connection of maximum 7 PTC and Pt 100, or 7 Pt 1000 and Pt 100 or 7 NTC and Pt 100 temperature sensors Outdoor temperature can also be applied as current signal of 4(0) to 20 mA Storage temperature sensor can be replaced by a storage tank thermostat Variable limitation of return flow temperature with respect to the outdoor temperature Minimum and maximum limitation of flow temperature Three keys and symbols displayed on LCD provide easy operation 365-day clock with up to 3 time programs and automatic summertime/wintertime changeover Optional connection of a room temperature sensor to correct the set point and choose the operating mode Configuration and parameterization on the PC, data transmission by means of a memory module Version TROVIS 5475-2 (Fig. 1) ⋅ Heating and District Heating Controller Fig. 2 ⋅ Operator interface 1 LCD 2 Operator keys 3 Operating mode selector Heating circuit 4 Set point adjuster Domestic hot water 5 Connecting socket for memory module

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TROVIS 5475-2 Heating and District Heating Controller - 2

Inputs and outputs (Fig. 3) Inputs and outputs of the heating and district heating controller are determined by the system code number (see example in Figs. 8 and 9). There are connections for maximum 7 temperature sensors. It is possible to use either PTC and Pt 100 sensors, or Pt 1000 and Pt 100 sensors, or NTC and Pt 100 sensors in combination. Storage temperature sensors can be replaced by a storage tank thermostat that has its own binary input. The signal of a calorimeter which is proportional to the flow rate or the quantity of heat can be applied to a pulse input or current input....

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TROVIS 5475-2 Heating and District Heating Controller - 3

Optimizing switch-on and switch-off times (Figs. 6 and 7) The heating and district heating controller is supplied with a program for optimizing the switch-on and switch-off times of the heating system in periodically used buildings. Energy consumption depends on four factors, duration of energy supply, difference between room temperature and outdoor temperature, the building's thermal features, and the properties of the building's heating system. The controller determines the building's heating characteristic and the dynamic behavior of the heating system from the behavior of room and...

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TROVIS 5475-2 Heating and District Heating Controller - 4

Electrical connection and assembly The controller consists of a controller housing containing the electronic components, and a separate terminal board for the electrical connections. Two wires of max. 1.5 mm2 can be connected to each terminal. The 230 V supply lines and the sensor connection lines have to be installed in separate cables. To increase noise immunity, it is recommended to keep a distance of at least 10 cm between the two cables. For wall mounting, the terminal board has to be attached to the wall by using screws. When all electrical connections are completed the housing has to...

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TROVIS 5475-2 Heating and District Heating Controller - 5

Fig. 8 ⋅ System code number 5.0 Outdoor temperature sensor Solar collector sensor Solar circulation pump (St1 level 1, St2 level 2) Remote control unit Heating circuit Cold water Room temperature sensor Return flow Return flow temperature sensor Storage temperature sensor Storage charging pump Thermostat Domestic water circuit Heating circulation pump Flow rate/heat output limitation Flow temperature sensor Flow temperature sensor for domestic water Flow Circulation Circulation pump Without time program

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TROVIS 5475-2 Heating and District Heating Controller - 6

SAMSON AG ⋅ MESS- UND REGELTECHNIK Weismüllerstraße 3 ⋅ D-60314 Frankfurt am Main Telefon (069) 4 00 90 ⋅ Telefax (069) 4 00 95 07 Internet: http://www.samson.de

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