Vaillant EcoMAX E SERIES Bedienungsanleitung

For the user

Instructions for use

ecoMAX

Wall hung room sealed fan assisted condensing boilers

0020014608_00GB_032006 08.03.2006 17:15 Uhr Seite 1

1 General information . . . . . . . . . . . . . . . . . . 3

1.1 For your information . . . . . . . . . . . . . . . . . . . . . 3

1.2 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3 Liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.4 Specified use . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.5 EC designation . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Safety instructions . . . . . . . . . . . . . . . . . . . 4

2.1 Setup and adjustments . . . . . . . . . . . . . . . . . . . 4

2.2 Gas smell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.3 Modifications in and around the boiler . . . . . . 4

2.4 Explosive and flammable materials . . . . . . . . . 4

2.5 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Factory guarantee . . . . . . . . . . . . . . . . . . . . 4

3.1 Vaillant warranty . . . . . . . . . . . . . . . . . . . . . . . . 4

3.2 Registering with us . . . . . . . . . . . . . . . . . . . . . . 4

3.3 Immediate help . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.1.1 Operating controls . . . . . . . . . . . . . . . . . . . . . . . 5

4.1.2 Advanced multifunctional system display . . . . 5

4.2 Initial checks before turning ON . . . . . . . . . . . 5

4.2.1 Opening the service valves . . . . . . . . . . . . . . . . 5

4.2.2 Checking the water contents . . . . . . . . . . . . . . 6

4.3 Domestic hot water operation

(ecoMAX 646 and 665 only) . . . . . . . . . . . . . . . 6

4.3.1 Obtaining hot water . . . . . . . . . . . . . . . . . . . . . . 7

4.4 Heating operation . . . . . . . . . . . . . . . . . . . . . . . 7

4.4.1 Setting the maximum radiator temperature

control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.4.2 Setting the external controls . . . . . . . . . . . . . . 7

4.5 Status displays . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.6 Resetting the appliance . . . . . . . . . . . . . . . . . . . 8

4.7 Turning the boiler OFF . . . . . . . . . . . . . . . . . . . 8

4.7.1 To turn OFF the central heating only

(Summer mode) . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.7.2 To turn OFF the domestic hot water operation

(ecoMAX 646 and 665 only) . . . . . . . . . . . . . . . 9

4.7.3 Complete shutdown . . . . . . . . . . . . . . . . . . . . . . 9

4.8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.9 Care and maintenance . . . . . . . . . . . . . . . . . . . 9

4.10 Frost-protection . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table of contents

Instructions for use ecoMAX

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General information 1

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.

ecoMAX 600 series provides central heating and

domestic hot water where a separate indirect hot water

cylinder is also incorporated to the system.

The benchmark gas boiler commissioning checklist (in

the installation manual) should be completed by the

installer and/or the commissioning engineer.

All CORGI Registered Installers carry a CORGI ID card,

and have a registration number. Both should be recorded

in the Benchmark gas boiler commissioning checklist.

You can check your installer by calling CORGI direct on

01256 372300.

If, after reading these instructions, you have any

questions on the operation of the boiler, please contact

either your installer or Vaillant Technical Department.

1.2 Key to symbols

Attention!

Important Note

Note!

This symbol is used to indicate important

instructions.

• This symbol is used to indicate a required step.

1.3 Liability

Attention!

We can accept no liability whatsoever for dama-

ge or injury resulting from failure to observe

these instructions.

1.4 Specified use

Vaillant ecoMAX appliances are made to fulfil the latest

technical specifications and official safety regulations.

These appliances are designed as boilers for use in cen-

tral heating and hot water supply systems.

If the appliances are used for purposes other than or in

excess of these specifications, this shall be classed as

incorrect operation, and neither the manufacturer nor

supplier will accept any liability for resulting damage or

injury.

Use of this type is entirely at the owner’s risk.

The term “specified use” also covers observance of the

operating and installation instructions, along with adhe-

rence to the servicing schedules.

1.5 EC designation

The purpose of EC designation is to certify that the boi-

ler complies with the requirements of the directives

covering gasfired appliances (Council directive

90/396/EEC) and electromagnetic compatibility (Council

directive 89/336/EEC).

These appliances also comply with the requirements of

the directive on operating efficiency (Council directive

92/42/EEC).

Note!

Vaillant Ltd. support the Benchmark initiative.

In the installation manual you will find the

Benchmark gas boiler commissioning checklist.

It is very important that this is completed

correctly at the time of installation and com-

missioning.

Instructions for use ecoMAX

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2 Safety instructions

3 Factory guarantee

Instructions for use ecoMAX

2 Safety instructions

2.1 Setup and adjustments

Installation 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) Regulations 1998. (In

the U.K. “CORGI”. Registered installers undertake the

work to a safe and satisfactory standard).

If the boiler is installed in a compartment do not

obstruct any purpose provided ventilation openings, and

do not use the compartment for storage purposes.

2.2 Gas smell

If you smell gas or suspect a gas leak:

- Turn off the boiler

- Do not switch any electrical switches in the hazardous

area on or off

- Do not smoke in the hazardous area

- Turn off the gas supply at the gas meter

- Ventilate the room

- Consult your gas supplier, service agent or other com-

petent person.

2.3 Modifications in and around the boiler

No modifications may be made to the following items:

- The boiler

- The gas, water and electrical supply

- The flue system

- The safety valve for the heating water

- Any structural changes around the appliance that

could affect the operational safety of the boiler.

2.4 Explosive and flammable materials

Do not use or store any explosive or highly flammable

materials (e.g. gasoline, paper or paint) near to the appli-

ance.

2.5 Inspection

The boiler should be serviced annually. We recommend

that you sign a service agreement with your service

agent or Vaillant Ltd.

Attention!

The device may only be used

• for initial operation

• for testing

• for continuous operation

with the chamber cover closed and with the flue

system fully mounted and sealed.

3 Factory guarantee

3.1 Vaillant warranty

Vaillant provide a full parts and labour warranty for this

appliance. The appliance must be installed by a suitably

competent person in accordance with the Gas Safety

(Installation and Use) Regulations 1998, and the manu-

facturer's instructions. In the UK 'CORGI' registered in-

stallers undertake the work in compliance with safe and

satisfactory standards.

All unvented domestic hot water cylinders must be in-

stalled by a competent person to the prevailing building

regulations at the time of installation. (G3) Terms and

conditions apply to the warranty, details of which can be

found on the warranty registration card included with

this appliance.

Failure to install and commission this appliance in com-

pliance with the manufacturer's instructions may invali-

date the warranty (this does not affect the customer's

statutory rights).

3.2 Registering with us

Registration is simple. Just complete the Guarantee

Registration Card and return to Vaillant within 30 days

of installation. Your details will then be automatically

registered within the Vaillant scheme.

Note!

No receipt will be issued.

3.3 Immediate help

If your Vaillant boiler develops a fault your first action

should be to contact your installer, as his professional

assessment is needed under the terms of our Guarantee.

If you are unable to contact your installer, phone

Vaillant Service Solutions: 0870 6060 777

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Operation 4

Instructions for use ecoMAX

4 Operation

4.1 Overview

4.1.1 Operating controls

For access to the controls press the upper middle of the

lower front panel and drop it down. The following can be

seen:

Fig. B.1 Operating controls

1 Maximum radiator temperature control (page 7)

2 The “+” and “-” buttons for the display panel

3 Main ON/OFF control

4 Built in control/timer module (if fitted)

5 The “i” information button

6 Boiler display indicates current operating mode and additional

information

7 “Reset” button: (see page 8)

8 Maximum storage temperature control (page 6)

9 Pressure gauge displaying the pressure in the heating system

4.1.2 Advanced multifunctional system display

Fig. B.2 Advanced multifunctional system display

The boiler system display (Fig. B.2) shows – during nor-

mal operation – current information on the heating

system flow temperature (Fig. B.2. example gives flow

temperature of 45 °C).

In the event of a malfunction, this temperature display is

replaced by the relevant error code (see page 9).

The display also gives the following information:

1Indication of the current heating system flow tem-

perature, or display of a status (see page 8)

or error code

Fan speed malfunction

Heating mode active

Hot water on

Illuminated: hot water demand

Flashing: storage charging on (burner on)

Warmstart is on

Illuminated: storage charging ready

Flashing: storage charging on (burner on)

Internal pump is running

Gas valve is activated

Flame crossed out:

Boiler is at lock out and will display fault code

Normal flame:

Correct burner operation

4.2 Initial checks before turning ON

4.2.1 Opening the service valves

Fig. B.3 Opening the service valves (635)

bar

8 7 6 5 4

1 2 3 9

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4 Operation

Instructions for use ecoMAX6

Fig. B.3.1 Opening the service valves (646)

Fig. B.3.2 Opening the service valves (665)

• Ensure that the service valves in the heating flow and

return (4 and 3) and the gas service valve (1) are open.

The flow, return and gas service valves are open when

the line marking has the same direction as the pipe.

Attention!

The pressure relief valve is provided for safety

reasons and must not be interfered with.

4.2.2 Checking the water contents

Fig. B.4 Checking the water contents

•

Check the water contents of the system on the pressure

gauge (1).

The needle on the pressure gauge should be within the

green band (between 1 and 1.5 bar). If the needle dis-

plays a value below 0.8 bar when the appliance is cold,

follow the instructions left by your installer to refill the

system.

Alternatively, your installer should be called to refill the

system.

4.3 Domestic hot water operation

(ecoMAX 646 and 665 only)

Fig. Domestic hot water operation

ecoMAX 646 and 665 provides central heating and

domestic hot water where a separate indirect hot water

cylinder is also incorporated to the system.

Attention!

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.

• Turn the main switch (2) to the “l” position.

• Set the maximum hot water temperature control to the

desired setting using the control knob (3). It means

- all the way to the very left = frost protection 15 °C

- all the way to the very right = max.70 °C

When the domestic hot water temperature is adjusted,

the boiler display will show the corresponding water

temperature. This information appears on the display for

about 5 seconds and then the display returns to its nor-

mal state (current heating flow temperature e.g. 45 °C).

Note!

Domestic hot water operation with ecoMAX 635:

When the installation is equipped with an exter-

nal hot water cylinder, your installer should have

instructed you how to set the temperature and

how to switch ON and OFF.

bar

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Operation 4

Instructions for use ecoMAX 7

4.3.1 Obtaining hot water

On opening a hot water tap (1) at a supply point (basin,

shower, bath, etc.) the incorporated hot water cylinder

delivers hot water. When the temperature inside the hot

water cylinder falls below the set value, the boiler will

start to re-heat the external hot water cylinder. When

the set temperature will be reached, the boiler will stop

whilst the pump and fan will continue to operate for a

short period.

Fig. B.6 Obtaining hot water

4.4 Heating operation

Fig. B.8 Setting the maximum radiator temperature control

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.

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).

4.4.2 Setting the external controls

Fig. B.9 Setting the external controls

• Set the room thermostat and/or the thermostatic

radiator valves according to the instructions supplied

with the control(s).

Note!

Vaillant offer room thermostat/time control

accessories which give accurate and economic

room temperature control as well as improved

comfort.

Ask your installer!

The boiler will now operate automatically to provide cen-

tral heating for the conditions selected on the external

controls.

Whilst the boiler is operating, the boiler display indicates

the temperature of the water within the boiler circuit.

After the boiler stops operating the pump and fan will

continue to operate for a short period to fully disperse

the heat from the boiler.

Note!

The boiler incorporates an anti-cycling economi-

ser control to prevent energy wasteful ON and

OFF operation of the 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.

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4 Operation

Instructions for use ecoMAX

4.5 Status displays (for maintenance and servicing

work carried out by a qualified service engineer)

• The status displays are activated by pressing the "i" (1)

button.

Fig. B.10 Status displays

The display (2) now shows the corresponding status code,

e.g. "S.4" for burner operation. Please refer to table B.1

(below) for details of the most important status codes.

• Press the "i" button again to return to normal mode.

During changeover phases, such as when the system

restarts after the flame has been extinguished, the "S"

status message is displayed briefly.

Display Meaning

S. 0* No heat requirement

S. 1* Pump running

S. 3* Heating system ignition

S. 4* Burner ignited

S. 5* Fan and pump overrun

S. 6* Heating fan run-out

S. 7* Pump over run

S. 8* Anti cycling mode (after heating operation)

S. 14** Burner ignited

S. 20** Hot water cycle mode

S. 31* Summer mode

S. 34* Frost protection mode

Table B.1: Status displays (a complete list of status codes can be

found in the installation and maintenance instructions)

* Heating mode ** Hot-water mode

4.6 Resetting the appliance

When a hot water tap or the central heating system

requires heat, the boiler automatically ignites and starts

to operate. If the automatic ignition is not successful

within 5 attempts, then the boiler does not go into ope-

ration and switches to “Lock out”.

This is indicated by a fault code “F.28” or “F.29” on the

display.

A new attempt to ignite the flame can then only be per-

formed after pressing the “Reset” button.

• Press the “Reset” button (1) and hold for approx. 1 second.

Fig. B.11 Resetting the appliance

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 not

enough water in the system. This fault is indicated by

fault code “F.22” “F.23” or “F.24”.

The boiler can only be placed back in operation after the

heating system has been properly refilled with water.

In the unlikely event of any other fault developing, which

prevents the boiler from operating, the display will also

show other fault codes. If a fault code is displayed please

contact your installer or Vaillant Service Solutions.

Note!

If contacting Vaillant Service Solutions please

remember to quote the fault code, as this will

help to pinpoint the fault.

4.7 Turning the boiler OFF

4.7.1 To turn OFF the central heating only

(Summer mode)

• Turn the maximum radiator temperature control knob

used to control the heating supply temperature (1) all

the way to the left.

Note!

You can switch off the heating operation in sum-

mer, for example, but the boiler will continue to

provide domestic hot water whenever a hot

water tap is opened.

STOP

max. 3 x !

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Operation 4

Instructions for use ecoMAX

Fig. B.12 To turn OFF the central heating only (Summer mode)

4.7.2 To turn OFF the domestic hot water operation

(ecoMAX 646 and 665 only)

ecoMAX 646 and 665 in combination with separate indi-

rect hot water cylinder provides the possibility to turn

OFF the domestic hot water operation whilst the heating

operation still remains in function.

• Turn the water temperature control knob all the way

to the very left — only the frost protection of the hot

water cylinder remains in function.

4.7.3 Complete shutdown

Fig. B.13 Complete shutdown

If you want to turn the ecoMAX boiler 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 the frost protection hints detailed in

these instructions.

• Turn the main ON/OFF control (2) to the “0” position.

Note!

Do not turn the ecoMAX boiler OFF if a hot

water cylinder is also incorporated in the system

unless there is no demand for domestic hot

water.

4.8 Troubleshooting

In the unlikely event that a problem occurs with the ope-

ration of the ecoMAX boiler, the following points should

be checked:

Boiler fails to operate:

• Is the gas supply turned on? (see page 5)

• Is the water supply turned on? (see page 5)

• Is there enough water in the heating system?

(see page 5)

• Is the electrical supply switched ON?

• Is the main ON/OFF control in the “ON” position?

(switch position “I”)

• Is the burner lock out indicator light illuminated?

(see page 8)

Attention!

If your boiler still does not operate then please

consult your installer or Vaillant Service

Solutions (0870 6060 777).

4.9 Care and maintenance

Clean the outer casing of your boiler with a damp cloth

and a little soap. Do not use abrasive or solvent cleaning

agents that may damage the case or the plastic fittings.

The appliance should be serviced at least once per year.

To ensure regular 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 6060 777).

4.10 Frost protection

Your boiler is equipped with a frost protection function:

If the heating water temperature drops below 5 °C when

the main switch is ON, then the boiler goes into operati-

on and heats the boiler circuit to approx. 30 °C.

Note!

It cannot be guaranteed that water will circulate

throughout the entire heating system.

If the boiler is not operated for several hours during

very cold weather there is therefore the possibility of

the system freezing.

Please ensure that if you are absent during a period of

frost the central heating remains in operation and all

rooms are kept above freezing point.

It must be remembered, however, that the boiler will be

automatically switched off by the built in monitoring

devices if certain faults occur, e.g. interruption in the gas

or electricity supply or faults in the flue gas system. To

overcome this possibility you can drain both the central

heating system and boiler.

Note!

Frost protection and monitoring devices can

only function when the main switch of the unit

is set to the “I” position and the boiler is

connected to the electrical supply.

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0020014608_00GB_032006 08.03.2006 17:15 Uhr Seite 10

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