INTIEL TD-3.1.1 Programmable Differential Thermostat User Manual
IV. Programming
The Thermostat automatically goes into start mode, after connection to the power supply, showing the water heater
temperature:
4.1. Inspection of water heater and solar panel temperatures.
When the Thermostat is not in program mode, by consecutively pressing of “SELECT” button the digital display indication
is being switched over between the water heater temperature and the solar panel one, activating their relevant indications Tb or
Tp.
4.2. Inspection of temperatures mentioned at points 2.1 – 2.6 (see II. Operation, page 2.)
After pressing “PROGRAM” button the digital display will automatically show the temperature mentioned at 2.1 - ∆Т.
Then, after pressing “SELECT” button five times more the temperatures 2.2 – 2.6 will be indicated. Next pressing of
“SELECT” button will return you to position 4.1. (Inspection of water heater and solar panel temperatures). The temperature
inspection does not change the current operation of the Thermostat.
4.3. Programming of temperatures 2.1 – 2.6.
The digital display will automatically show the temperature mentioned at 2.1 - ∆Т, after pressing “PROGRAM” button. The
temperature indication will start blinking 10 times, after second pressing of “PROGRAM” button. The adjustment of the same
temperature can be done during the blinking time by repeatedly pressing of the “SELECT” button, within the possible adjusted
range. If until the 10th blink “SELECT” button is not pressed or “PROGRAM” button is pressed, the last blinking value will be
accepted as adjusted one concerning the relevant temperature. If you want to make some corrections concerning just adjusted
temperature, you need to press “PROGRAM” button again, thus returning to above mentioned actions. You can go to next
temperature programming by pressing “SELECT” button. The Thermostat will go into start mode after you finish with
programming of all temperatures from 2.1 – 2.6 and the new adjusted values will become current. After the adjustment of
temperature 2.6 you can return to 4.1 (Inspection of water heater and solar panel temperatures) by pressing “SELECT” button.
For quick change of selected value – hold the “SELECT” button.
V. Emergency alerts
5.1. Indication Alarm
The light indication Alarm will be activated in the following cases:
- When the water heater temperature exceeds Tbmax.
- When the temperature of the solar panel is above Tpmax or bellow Tpdefros, in case a defrost mode is allowed.
5.2. The solar panel and water heater temperatures are out of preliminary fixed ranges:
- When one of the temperatures is grater than +120°C on the digital display is being indicated “Hi”.
- When one of the temperatures is lower than -20°C on the digital display is being indicated “Lo”
VI. Wiring
The wiring comprises the connection of temperature sensors, a power supply
and the circulation pump according Figure 2. The sensors are Pt1000 – non
polar. If necessary, the length of connection cables can be prolonged,
considering the total resistance of both cables, concerning indication sensibility
of 1°С/4Ω. The recommended cable length which do not affect to measurement
precision is up to 100m.
Terminals 7 and 8 are input for Pt1000 solar panel sensor.
Terminals 9 and 10 are input for Pt1000 water tank sensor
To terminals 1 and 2 are to be connected respectively phase and neutral from the
power supply.
The pump is to be connected to terminal 3 and 4, which are respectively neutral
and phase.
Caution!: In order to discharge the static electricity which could appear on
the solar panels as well their metal supports a ground connection is to be
provided. Otherwse, there is dangerous of damage concerning the sensors
even of the controller.
Terminals 5 and 6 are an independent contact which provides start/stop signal to the electrical heating elements.
3
| General | Details |
|---|---|
| Name | INTIEL TD-3.1.1 Programmable Differential Thermostat User Manual |
| Make | INTIEL |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.17 MB |
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