Manual Viessmann VITOTROL 100 - UTDB-RF2 (page 27 of 32) (English)

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Note

For further causes, see the boiler oper-

ating instructions.

Î

flashes in the display

Cause Remedy

The batteries are spent. Change the batteries (see next chapter).

The Vitotrol 100 has a power reserve of

3 min. If you replace the batteries within

this time, all set details will be retained.

After the power reserve has been excee-

ded, carry out a reset (see next chap-

ter).

Note

If the batteries are not changed, the dis-

play switches off.

Central heating and DHW heating are

carried out according to the settings on

the boiler control unit.

Changing the batteries

Disposal

Batteries/rechargeable batteries should

not be disposed of in domestic waste.

Always dispose of spent batteries/

rechargeable batteries via an authorised

collection site.

■ Use only alkaline batteries, 1.5 V

Mignon alkaline cells, type LR6/AA

that do not contain noxious substan-

ces.

■ Never use rechargeable batteries.

■ Replace both batteries every 18

months.

What to do if...

There is no hot water

(cont.)

5592 620 GB

1

Thermostat won’t drop below 18 have tried reset but no change Submitted on 24-10-2022 at 12:52
Reply Report abuse
I am trying to change the on / off time settings for the heating but it won't save the changes Submitted on 6-12-2021 at 15:39
Reply Report abuse
how can i alter the control to stop the heating system working every time i put the boiler on? i only switch it on for hot water to save money, but the radiators come on too? i seem not to be able to alter the manual setting....
any advice would be very appreciated.
thank you Submitted on 19-8-2021 at 18:43
Reply Report abuse
- Hi, Having the same problem with the stat resetting at random times and the heating coming on. New batteries have been installed. Answered on 1-9-2022 at 14:45
  Vote up Report abuse
heating control set for prog 1 batteries strong time set correc t heating does not come on at correct times Submitted on 23-10-2018 at 21:37
Reply Report abuse

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Others manual(s) of Viessmann VITOTROL 100 - UTDB-RF2

Viessmann VITOTROL 100 - UTDB-RF2 Installation Guide - English - 16 pages

Viessmann VITOTROL 100 - UTDB-RF2 Installation Guide - Dutch - 16 pages

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