Connecting The Power Booster (Optional); Connecting Heater Sensor F1; Installing Bench Sensor F2 (Optional); Connecting Humidity Sensor Fts2 - Harvia SENTIO Professional D Série Instructions D'installation Et Mode D'emploi

Installation instructions, for professionals only

5.6. Connecting the power booster (optional)

1. Feed the cable for the power booster through the cable gland a into the
connection area for 230 V/400 V g.
2. Connect the cable for the power booster to the terminal strip e in
accordance with the connection diagram. To do so, use terminal
"ST1" for the safety circuit, and terminal "ST2" for the control circuit.
Observe the operating instructions for the appliance concerned.

5.7. Connecting heater sensor F1

1. Feed the wires for the heater sensor through the cable gland 5 into the
low-voltage connection area 1.
2. Connect the red wires for the heater sensor to the terminals labelled "STB"
in terminal strip 2.
3. Connect the white wires for the heater sensor to the terminals labelled "F1"
in terminal strip 2.

5.8. Installing bench sensor F2 (optional)

1. Feed the wires for the bench sensor through the cable gland 4 into the
low-voltage connection area 1.
2. Connect the wires for the bench sensor to the terminals labelled "F2" in
terminal strip 2.

5.9. Connecting humidity sensor FTS2

(optional, only Pro D3/Pro D3i)

1. Feed the wires for the sensor through the cable gland 4 into the low-voltage
connection area 1.
2. Connect the wires for the temperature sensor to the terminals labelled "F2"
in terminal strip 2.
a. Connect the black wire to the right terminal.
b. Connect the brown wire to the left terminal.
3. Connect the wires for the humidity sensor to the terminals labelled "+ S -"
in terminal strip 2.
c. Connect the green wire to terminal "+".
d. Connect the orange wire to terminal "S".
e. Connect the red wire to terminal "-".
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