BOSCH RT20 RF Room Thermostat User Manual
Installation
Connecting the receiver to the wall-hung boiler
3.2 Electrical connection
The receiver is connected to the wall-hung boiler by a T.A wire:
▶
After disconnecting the boiler power supply, find the
terminal to be connected to the receiver.
Remove the terminal short wiring.
The electrical connection must meet the current standards for
electrical installations in the country of use.
▶
▶
Connect to the receiver T.A wire
The appliance must be installed by a professional.
DANGER
Risk of electric shock!
▶
Isolate the appliance from the power supply before carrying
out any work on electrical parts.
Receiver wiring connection
▶
▶
Prepare the connection wire and insert the wire connector.
Unscrew the two back cover fixing screws at the bottom of
the receiver and detach the back cover.
Remove and discard the hole cover at the bottom of the
receiver.
0010042946-001
▶
▶
Fig. 5
Wiring diagram
Connect the blue and brown wires to the power terminal
and connect the black wire to the control terminal.
Reattach the back cover.
▶
▶
Refer to wall-hung boiler manual for more terminal information.
Insert the two screws back at the bottom of the appliance
and tighten them.
2.
3.
1.
0010042945-001
Fig. 4
Receiver wiring connection
TR20 RF Room Thermostat – 6721844607 (2022/03)
24
| General | Details |
|---|---|
| Name | BOSCH RT20 RF Room Thermostat User Manual |
| Make | Bosch |
| Language | English |
| Filetype | PDF (Download) |
| File size | 4.26 MB |
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