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Bosch Tronic TR2000TF Manual

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Installation instructions
11
TR2000TF – 6 720 875 992 (2021/08)
6 Safety valve
7 Through-way shutoff valve
8 Test connection piece for manometer
9 Test valve
10 Pressure reducing valve
(only when water supply pressure exceeds 0,5 MPa (5 bar))
11 Cold-water inlet
The fittings and safety devices indicated in the diagram must be used for
the installation and they must be fitted in the sequence shown
(see DIN 1988 or local regulations).
For easier installation we recommend the use of our compact safety
valve units.
If a central battery (thermostat battery) is used, a device must be fitted
directly to the hot-water outlet of the floor-standing water heater,
in order to measure the cut-out temperature.
Electrical connection (Fig. 5 )
• Electrical installation must only be carried out by an electrician from
the power supply company.
• The power supply must only be connected after the water supply.
Connections must be carried out according to the circuit and terminal
diagrams. The ratings permitted by the power supply company for
primary/rapid heating, as well as the heating duration, must be
observed. The internal circuit must not be altered. The rating plate,
norms, regulations and guidelines must be observed.
• Floor-standing water heaters have special connections on the
terminal strip for control cables and contactors.
• The protective conductor terminal is identified by the protective
conductor sign.
• An all-pole disconnecting device with a min. 3 mm gap construction
must be fitted by the installation company.
WARNING:
Electrocution!
▶Install a residual current device (RCD).
WARNING:
Electrocution!
▶Please note that the appliance must be connected to the earth
conductor.
CAUTION:
Attention!
▶The appliance must not be connected by a two-pole-and-
earthing-pin plug.
Connection work
• Remove switchroom cap.
• Push power cable and control lead through the cable inlet and
connect in accordance with the circuit diagram.
• Connect the protective conductor to the protective conductor
terminal.
• Tighten the screwed connections of the cable inlets.
• Place the rating stickers in the position marked on the rating plate.
•Fit the switchroom cap.
Rated voltage
Circuit diagram (Fig. 5 )
Mandatory circuit diagram inside the appliance.
Subject to change without notice.
Switch b2 has been preset at the factory to position „I“ (heating duration
8 hours).
b1 Push-button for rapid heating
b2 Selector switch for primary heating
k1 Contactor
k2 Contactor
f1 Thermostat and thermal cut-out
r1, r2, r3 Heaters, each 2 kW/230 V~
Other connection options (Fig. 6)
1 Power supply company contact
When operating without a controller from the power supply company,
place a bridge between L1 and 5.
Depending on the power supply company, the period in which off-peak
power is supplied may be restricted.
Primary heating can therefore be set with selector switch b2, so that the
floor-standing water heater heats up in either 4 or 8 hours.
If the power supply company does not permit peak-rate heating, the
push-button must be covered with the plastic cap situated in the
switchroom.
2-Dual meter measurement (comply with phase coincidence) (Fig. 7)
1Power supply company contact
k1 Contactor
k2 Contactor
1/N/PE – 230 V~: without broken lines
3/N/PE – 400 V~: with broken lines
Supply-voltage 1/N/PE
230 V~
3/N/PE
400 V~
Primary heating
8 h 2 kW 2 kW 3 kW 4 kW
4 h 4 kW 4 kW 6 kW 6 kW
Rapid heating 4 kW 6 kW
… 11 …


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