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Operation 4

Instructions for use ecoMAX

7

• The warmstart system is switched OFF by turning the

hot water temperature control knob (1) anticlockwise
to position c. The "

" is NOT now illuminated. Reset

the hot water temperature control knob to the desired
setting, e.g. setting b

Note! 

Irrespective of whether the warmstart facility is
switched ON or OFF, the boiler will automatically
operate to provide hot water whenever a hot
water  tap is opened.

4.3.3 Obtaining hot water (ecoMAX 800 series only)

Fig. B.7 Obtaining hot water (ecoMAX 800 series only)

On opening a hot water tap (1) fig. B.7) at a supply point
(basin, shower, bath, etc) the ecoMAX 800 series boiler
will automatically operate to deliver hot water.
On closing the tap the boiler switches OFF (or continues
to operate for central heating if required). 
The pump and fan will continue to operate for a short
period.

4.4 Heating operation

The boiler should only be used when the heating system
contains water. Use of the boiler without water may
cause damage to the boiler or its components.

Fig. B.8 Setting the maximum radiator temperature control

4.4.1 Setting the maximum radiator temperature 

control

• Turn the main switch (1) to the “l” position.
• Set the maximum radiator temperature control to the

desired setting using the control knob (2). 
We recommend the following settings:
- Left setting during spring and autumn,
- Middle setting during mild winter,
- Right setting during cold winter.

When the temperature is adjusted, the boiler display will
show the corresponding water temperature. This infor-
mation appears on the display for about 5 seconds and
then the display returns to its normal state (current hea-
ting flow temperature e.g. 45 °C).

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Summary of Contents for ecoMAX SERIES

Page 1: ...For the user ecoMAX 613 2 E ecoMAX 618 2 E ecoMAX 622 2 E ecoMAX 635 E ecoMAX 824 2 E ecoMAX 828 2 E ecoMAX 835 E GB Instructions for use ecoMAX Wall hung room sealed fan assisted condensing boilers...

Page 2: ...n 11 1 General information 1 1 For your information Thank you for choosing a Vaillant boiler The information given in this booklet will enable you to obtain the best performance from your boiler ecoMA...

Page 3: ...stallation and adjustment of the boiler as well as servi ce maintenance and repair of the boiler may only be car ried out by a competent person in accordance with the Gas Safety Installation and Use R...

Page 4: ...nt is needed under the terms of our Guarantee If you are unable to contact your installer phone Vaillant Service Solutions 0870 6060 777 4 Operation 4 1 Overview 4 1 1 Operating controls For access to...

Page 5: ...urner is on Warmstart is on ecoMAX 800 series only Illuminated warmstart turned on Flashing warmstart demand burner is on Internal pump is running Gas valve is activated Flame crossed out Boiler is at...

Page 6: ...rature and anti clockwise to decrease the temperature Note This control adjusts the maximum domestic hot water temperature If adjusting the control upwards appears to have no effect on the tem peratur...

Page 7: ...or continues to operate for central heating if required The pump and fan will continue to operate for a short period 4 4 Heating operation The boiler should only be used when the heating system conta...

Page 8: ...he boiler for short periods when in the central heating mode When turning the room thermostat to a higher setting there may therefore be a short delay before the boiler operates 4 5 Status displays Fi...

Page 9: ...hold for approx 1 second Attention If the boiler still shuts off after a third attempt then please consult your installer or Vaillant Service Solutions The boiler also switches to Fault when there is...

Page 10: ...OFF for a longer period of time e g holidays and there is no danger of frost then you should also turn off the gas supply the cold water service valve see page 5 and the electrical supply Please note...

Page 11: ...ar servicing it is strongly recommended that arrangements are made with your service agent or Vaillant Ltd For further details please contact Vaillant Service Solutions 0870 6060777 4 11 Frost protect...

Page 12: ...834215_14 GB 03 2005 Subject to alteration...

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