Viessmann Vitotronic 300 KW3 Instructions d'exploitation télécharger pdf (Page 17)

DHW Production

Altering the Time Program for DHW Production

The time program consists of 4 DHW cy cles. Cycle 1 is preset at the factory from

05:30 to 22:00 hrs, i.e. domestic hot water is heated during this period.

The automatic mode is also selected, i.e. domestic hot water heating takes place

parallel to the central heating time program, but st arts 30 minutes earlier.

You have the following options to set the DHW cycles to suit your requirements:

 By setting the corresponding timer cycles, domestic hot water heating can be

switched on and off up to 4 times per day.

 You can set identical timer cycles for ev ery day of the week or individual timer

cycles for each day of the week.

If you require domestic hot water heating on a one time basis outside the

programmed DHW cycle, e.g. after 22.00 hrs., press

twice 2 to 3 seconds

apart.

The control unit is set up so that the

last setting change is applicable to all

heating circuits, i.e. a change of the

time program for heating circuit 1 is

also applied t o the other heating

circuits. If you require this to be

changed, please contact your heating

contractor.

When timer is programmed with --:--,

DHW production is disabled.

When timer is programmed with ON

00:00 OFF 24:00, DHW production is

possible 24 hours a day, 7 days a week.

Identical cycles for every day of the week

Automatic?

1Time prog. DHW

1 --- 7

1. Open the hinged cover on the

programming unit.

for ”DHW time pro-

gram”.Waituntilthe

display shown on the left

appears.

for ”Individual?”.

to confirm.

for ”DHW cycle 1”.

for ”DHW cycle 1 ON”.

/ to enter t he start of the

cycle.

to confirm; the display

changes to ”DHW cycle

1 OFF”.

/ to enter t he end of the

cycle.

10.

to confirm; the display

changes to ”DHW cycle

2ON”.

11. TosetthestartandendofDHW

cycles 2 to 4, follow the procedure

described in points 5 to 10.

12. Close the hinged cover on the

programming unit.

If you wish to exit the time program

setting mode, press

again.

Press

to skip a timer cycle.

After you have confirmed the last

input with , the display changes

and shows the boiler water

temperature.

5303 272 v1.3

IMPORTANT

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Viessmann Vitotronic 300 KW3 Instructions d'exploitation Page 17

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