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Function 4

0020253095_01 ecoTEC sustain Operating instructions

11

4.2 Opening the isolator devices

1. Ask the competent person who in-

stalled the product to explain to you
where these isolator devices are loc-
ated and how to handle them.

2. Open the gas isolator cock installed

on-site.

3. Open the gas isolator cock, which is

directly below the product or in its im-
mediate vicinity.

4. Open the service valves in the heating

installation's flow and return.

5. Open the cold water stop valve.

4.3 Switching on the product

1. Only start up the product once the cas-

ing has been completely closed.

2. If the display is switched off, press

for less than 3 seconds.

The basic display is shown in the
display.

4.4 Setting the heating flow

temperature

Note

If the eBUS room temperature con-
trol is connected to the product,
the domestic hot water temperat-
ure and the heating flow temperat-
ure cannot be set via the operating
display.

Conditions

: The temperature is controlled by the

product

Press

.

The heating flow temperature
flashes in the display.

Press the

or

button to set the tem-

perature.

is shown in the display.

Confirm by pressing

.

Note

If you press the

button again,

the heating installation pressure
is shown in the display.

Press

.

The basic display is shown.

Conditions

: Controller-regulated temperature

You cannot set the heating flow tem-
perature.

Note

If you press the

button, the

heating installation pressure is
shown in the display.

4.5 Setting the hot water

temperature

Note

If the eBUS room temperature con-
trol is connected to the product,
the domestic hot water temperat-
ure and the heating flow temperat-
ure cannot be set via the operating
display.

Summary of Contents for ecoTEC sustain 24

Page 1: ...instructions ecoTEC sustain 24 28 34 GB Operating instructions Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 49 21 91 18 0 Fax 49 21 91 18 2810 info vaillant de www vai...

Page 2: ...e hot water temperature 11 4 6 Switching off the product s functions 12 4 7 Guaranteeing the correct filling pressure in the heating circuit 12 4 8 Switching the product to standby mode 13 4 9 Protect...

Page 3: ...eat ing installations and for hot wa ter generation Intended use includes the fol lowing observance of the operating instructions included for the product and any other system components compliance wi...

Page 4: ...cal switches mains plugs door bells telephones or other communication systems in the building If it is safe to do so close the emergency control valve or the main isolator If possible close the gas is...

Page 5: ...by insufficient supply of combustion air Conditions Open flued opera tion Ensure that there is a suffi cient supply of combustion air 1 3 7 Risk of corrosion damage due to unsuitable combustion and ro...

Page 6: ...erial damage due to maintenance and repairs carried out incorrectly or not carried out at all Never attempt to carry out maintenance work or repairs on your product yourself Faults and damage should b...

Page 7: ...ecoTEC sustain 24 VUW 246 7 2 H GB 0010019980 ecoTEC sustain 28 VUW 286 7 2 H GB 0010019981 ecoTEC sustain 34 VUW 346 7 2 H GB 0010019982 Gas Council Numbers ecoTEC sustain 24 VUW 246 7 2 H GB 47 044...

Page 8: ...aning Fault in the product Appears instead of the basic display S XX Status code OFF Heating mode is switched off summer mode Hot water handling mode is switched off product with integrated hot water...

Page 9: ...er The serial number can be found on the rear of a plastic plate at the bottom of the front casing and on the identification plate 3 6 CE label The CE label shows that the products comply with the bas...

Page 10: ...change If for example you press the left hand selection button in the basic display the current function switches from Do mestic hot water temperature to Back Adjustable values are always displayed as...

Page 11: ...temperature Note If the eBUS room temperature con trol is connected to the product the domestic hot water temperat ure and the heating flow temperat ure cannot be set via the operating display Condit...

Page 12: ...basic display Conditions Controller regulated temperature You cannot switch off heating mode on the product See the instructions for the controller 4 6 2 Switching off the hot water handling mode Con...

Page 13: ...son for details Note The competent person is respons ible for filling the heating installa tion the first time 1 On site connect the filling cock to a cold water pipe as explained by the competent per...

Page 14: ...ded period frost protection can be guar anteed by completely draining the heating installation and the product Consult a competent person about this 5 Troubleshooting 5 1 Detecting and rectifying fau...

Page 15: ...devices are only active while the unit is connected to the power mains and switched on via the on off button and when the gas isolator cock is open Temporarily decommission the product only if no fros...

Page 16: ...rn to Vaillant within 30 days of installation Your details will then be automatically registered within the Vaillant scheme Immediate help If your Vaillant boiler develops a fault your first action sh...

Page 17: ...s that are not listed here can be found in the installation instructions Status code Meaning Displays in heating mode S 00 Heating mode No requirement S 02 Heating mode Pump pre run S 03 Heating mode...

Page 18: ...ld water stop valve The product is switched off Switch on the product Page 11 The heating flow tem perature hot water temperature has been set too low and or the heating mode hot wa ter generation has...

Page 19: ......

Page 20: ...e DE56 1JT Telephone 0330 100 3461 info vaillant co uk www vaillant co uk These instructions or parts thereof are protected by copyright and may be reproduced or distributed only with the manufacturer...

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