Viessmann Vitotronic 300 KW3 Instructions d'exploitation télécharger pdf (Page 21)

DHW Production

Altering the Time Program for the DHW Recirculation Pump

The time program consists of 4 timer cycles. Cycle 1 is preset at the factory from

06:00 to 22:00 hrs, i.e. the DHW recirculation pump is on during this period.

The automatic mode is also selected, i.e. the DHW recirculation pump runs parallel

to the domestic hot water heating time program.

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

 By setting the corresponding timer cycles, the DHW recirculation pump 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.

The DHW recirculation pump should run at those times when you require hot water.

Please see the note headed ”Important” on page 16.

When timer is programmed with --:--, DHW recirculation pump is off.

When timer is programmed with ON 00:00, OFF 24:00, DHW recirculation pump

operates continuously.

Identical DHW recirculation pump cycles for every day of the week

Automatic?

1Time prog. DHW recirc.

1pump

1 --- 7

1. Open the hinged cover on the

programming unit.

for ”DHW recirc.

pump time program”.

Wait until the display

shown on the left appears.

for ”Individual?”.

to confirm.

for ”DHW recirc.

pump cycle 1”.

for ”DHW recirc.

pump cycle 1 ON”.

/ to enter t he start of the

cycle.

to confirm; the display

changes to ” DHW recirc.

pump cycle 1 OFF”.

/ to enter t he end of the

cycle.

10.

to confirm; the display

changes to ” DHW recirc.

pump cycle 2 ON”.

11. TosetthestartandendoftheDHW

recirculation pump cycles 2 to 4,

follow the procedure described in

points 5 to 10.

12. Close the hinged cover on the

programming unit.

To scan the timer cycles

Follow the procedure described above,

but without using the

and

buttons.

The DHW recirculation pump cycles at a

glance

1. Open the hinged cover on the pro-

gramming unit.

2. Press

and simultaneously; the

preset time cycles appear on a time

slot graphic.

3. 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

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 31 32

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Viessmann Vitotronic 300 KW3 Instructions d'exploitation Page 21

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