Electrical installation 5
0020131978_00 VRT 350f Installation instructions
15
8. Connect the eBUS line to the terminal block of the boiler
(2)
.
5.2.2 Connecting the radio receiver unit to a
boiler with a "24V=RT terminal"
1.
Switch off the boiler.
2. Disconnect the power supply to the boiler.
3. Disconnect the boiler from the power mains by pulling
out the mains plug or de-energising the boiler using a
partition with a contact opening of at least 3 mm.
4. Secure the power supply to the boiler against being
switched back on again.
5. Check that there is no voltage in the boiler.
Burner
off
1
2
1
Radio receiver unit ter-
minal block
2 Boiler terminal strip
6. Check whether the bridge is installed between the 24
V=RT terminals on the PCB of the electronics box and,
if required, install the bridge between the 24 V=RT ter-
minals.
Summary of Contents for VRT 350f
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