Warmhaus EWA 2525C Manuel utilisateur

CONDENSING COMBI BOILERS

USER MANUAL

EWA 2525C

EWA 2530C

0089_00.WUK210702

EWA 2525C 25 kW

Our company are constantly striving to improve our

products and reserve the right to modify the details given

in this documentation at any time without notice. This boiler is not designed to be used by persons (including

children) with limited mental and sensory capabilities or

by persons who do not have enough experience and/or

knowledge, unless they are supervised by a person who is responsible

for their safety or they have been instructed by him/her about how to

use the boiler. Children must be supervised to ensure that they do not

play with the boiler.

These instructions are only meant to provide customers

with user information regarding the appliance.

0090_00.WUK210702

EWA 2530C 30 kW

warmhaus.co.uk

CONTENTS

1. INTRODUCTION ........................................................................................................................................................4

1.1. GENERAL WARNINGS................................................................................................................................................... 4

1.2. GENERAL WARRANTY CONDITIONS....................................................................................................................... 4

1.3. BOILER GAS CATEGORIES & DESTINATIONS........................................................................................................ 5

1.4. GAS LEAKAGES ............................................................................................................................................................. 6

2. USER’S SECTION.......................................................................................................................................................7

2.1. GENERAL WARNINGS FOR USER ..............................................................................................................................7

2.1.1. Use of boler............................................................................................................................................................................................................7

2.1.2. Selecton of On/O/Stand-by and Summer/Wnter Modes................................................................................................................... 8

2.1.3. On/O/Stand-by Postons............................................................................................................................................................................... 8

2.1.4. Operaton n Wnter Mode................................................................................................................................................................................ 8

2.1.5. Operaton n Summer Mode............................................................................................................................................................................. 9

2.1.6. Shuttng o the Boler ....................................................................................................................................................................................... 9

2.2. USE WITH ROOM THERMOSTAT (OPTIONAL) .....................................................................................................10

2.3. USE OF OUTSIDE TEMPERATURE SENSOR (OPTIONAL) .................................................................................10

2.4. CUSTOMIZING BOILER FEATURES ..........................................................................................................................11

2.5. TROUBLESHOOTING .................................................................................................................................................. 12

2.6. RECOMMENDATIONS FOR ECONOMICAL USE OF.............................................................................................16

2.7. ISSUES REQUIRED TO BE TAKEN INTO CONSIDERATION FOR WARRANTY CONDITIONS ....................16

4warmhaus.co.uk

1. INTRODUCTION

Warmhaus was established in 1996 and is an aliate of Beycelik Holding

which produces panel radiators, high capacity wall hung condensing

boilers and steel panel radiators. Beycelik Holding has also branches

in automotive, energy, tourism and insurance and currently provides

employment opportunities for almost 5.000 people.

We thank you for chosing the Warmhaus boiler to maintain your heating

and domestic hot water comfort for long years. Warmhaus products are

manufactured in accordance with EU standards and exported to many

countries.

1.1. GENERAL WARNINGS

This book should be carefully protected and referred to when necessary,

as it contains important information regarding operation of the product.

Please read these instructions fully before operating the appliance:

Radiator and DHW (Domestic Hot Water ) installations should be

performed by a competent and certiﬁed engineering company in

accordance with legal regulations in force.

This appliance must only be installed by a competent Gas Safe

registered engineer and if in Ireland an RGI (Registered Gas

Installer) and failure to adhere to this could lead to prosecution.

In order to enable use of the boiler with LPG bottles or LPG tanks,

conversation of the boiler should be performed by our authorised

Warmhaus service. Project design and application for LPG use

should be performed by the company supplying the tank in

accordance with local and legal rules.

1.2. GENERAL WARRANTY CONDITIONS

Manufacturer company cannot be held responsble for njury

of people, other lvng thngs (anmals, plants) or damage to

propertes due to nstallaton by unauthorsed people.

The maintenance and repairs as the result of failure of the product within

the warranty period due to material, production and installation errors shall

be performed as free of charge without claiming any workmanship costs

and spare part payments.

The intended use for this appliance is to heat

water and supply DHW in domestic premises.

Always refer to the appliance data badge for correct speciﬁcations and

ensure the boiler is operating within the safety settings outlined by

Warmhaus.

The installation of the appliance and controls must be done in accordance

to the current Gas Safety (Installation and Use) Regulations

Any intervention on a sealed component is forbidden.

Maintenance and repairment of the appliance must only be carried

out by a competent Gas Safe registered engineer and if in Ireland

an RGI (Registered Gas Installer)

Children must not operate the boiler.

These installation instructions only apply to GB and IE and must

be adhered to with the exception of all statutory regulations.

Boilers bear CE mark in accordance with below given directives:

- Gas Appliances Directive 2009/142/EC

- Boiler Eciency Directive 92/42/EEC

- Low Voltage Directive 2014/35/EU

- Electromagnetic Compatibility Directive 2014/30/EU

Manufacturer: WARMHAUS Isıtma ve Soğutma Sistemleri Tic. A.Ş. Bursa

Işıktepe OSB Mah. Park Cad. No:10 16140 Nilüfer-Bursa / Türkiye

WARMHAUS

Warmhaus Authorised Technical Service Centres maintain an assurance

regarding quality and professionalism. WARMHAUS is not responsible

for damages arising from repairs, part replacements and maintenances

performed by third persons and companies and product remains out of the

warranty scope under such conditions.

1015

WARMHAUS A.Ş. reserves the right to make all kinds of technical and

commercial amendments without giving information and rejects all

responsibilities depending on misspelling.

warmhaus.co.uk

1.3. BOILER GAS CATEGORIES & DESTINATIONS

Appliance Categories Gas Type

Gas Inlet

Supply

Pressures

Used Gas Countries of Destination

I 2H Natural Gas 20 mbar G20 AT, BG, CH, CZ, DK, EE, ES, FI, GB, GR, HR, IE, IT, LT, LU, LV, NO, PT, RO, SE, SI, SK, TR

I 2H Natural Gas 25 mbar G20 HU

I 2E Natural Gas 20 mbar G20 DE, LU, PL, RO

I 2E+ Natural Gas 20 mbar G20 BE, FR

I 2E(S) Natural Gas 20 mbar G20 BE

I 2ELL Natural Gas 20 mbar G20 DE

II 2H3P Natural Gas 20 mbar G20 CH, CZ, ES, GB, GR, HR, IE, IT, LT, PT, RO, SI, SK

II 2H3+ Natural Gas 20 mbar G20 CH, CY, CZ, ES, GB, GR, IE, IT, LT, PT, SI, SK, TR

II 2E+3+ Natural Gas 20 mbar

25 mbar G20 BE, FR

II 2E+3P Natural Gas 20 mbar

25 mbar G20 BE, FR

II 2H3B/P Natural Gas 20 mbar G20 AT, CH, CY, CZ, DK, EE, FI, GR, IT, LT, NO, RO, SE, SI, SK

II 2E3B/P Natural Gas 20 mbar G20 DE

II 2ELL3B/P Natural Gas 20 mbar G20 DE

I 2L Natural Gas 25 mbar G25 NL

I 2E+ Natural Gas 25 mbar G25 BE, FR

I 2ELL Natural Gas 20 mbar G25 DE

II 2L3P Natural Gas 25 mbar G25 NL

II 2L3B/P Natural Gas 25 mbar G25 NL

II 2ELL3B/P Natural Gas 20 mbar G25 DE

I 3+ Buthane Gas 28-30 mbar

37 mbar G30 BE, CH, CY, CZ, ES, FR, GB, GR, IE, IT, LT, PT, SI, SK

I 3B/P Buthane Gas 30 mbar G30 BE, CY, CZ, DK, EE, FI, GB, GR, HU, HR, IT, LT, NL, NO, RO, SE, SI, SK, TR

I 3B/P Buthane Gas 50 mbar G30 AT, CH, DE, FR, SK

II 2H3+ Buthane Gas 28-30 mbar

37 mbar G30 CH, CY, CZ, ES, GB, GR, IE, IT, LT, PT, SI, SK, TR

II 2E+3+ Buthane Gas 28-30 mbar

37 mbar G30 BE, FR

II 2H3B/P Buthane Gas 30 mbar G30 CY, CZ, DK, EE, FI, GR, IT, LT, NO, RO, SE, SI, SK

II 2H3B/P Buthane Gas 50 mbar G30 AT, CH, SK

II 2E3B/P Buthane Gas 50 mbar G30 DE

II 2L3B/P Buthane Gas 30 mbar G30 NL

II 2ELL3B/P Buthane Gas 50 mbar G30 DE

I 3P Propane LPG 37 mbar G31 BE, CH, CZ, ES, FR, GB, GR, HR, IE, IT, LT, NL, PL, PT, SI, SK, TR

II 2H3P Propane LPG 37 mbar G31 CH, CZ, ES, GB, GR, HR, IE, IT, LT, PT, RO, SI, SK

II 2L3P Propane LPG 37 mbar G31 NL

II 2E+3P Propane LPG 37 mbar G31 BE, FR

** EN 437+A1:2009, Codes for the representation of gases and names of countries and their subdivisions; Part 1: Country codes (ISO 3166-1:2006)

6warmhaus.co.uk

1.4. GAS LEAKAGES

IF YOU SMELL GAS:

DURING EMERGENCIES

INFORMATION: You can visit web sites of local gas authorities and NATURAL GAS EMERGENCY sections.

Advce: Please take note local emergency phone numbers.

AMBULANCE POLICEFIRE

DEPARTMENT

NATURAL GAS

EMERGENCY

Do not use lighters /

matches, do not smoke.

Turn o the gas supply

at the gas meter or an

appropriate emergency

control valve

Immediately

evacuate the

place

Call the National

Gas Emergency

Service –

0800111999

or in Ireland

1850 20 50 50

Do not make

any intervention

on installation.

Never close vent covers

ensuring discharge of the

gas from the environment

in case of a natural gas

leakage.

Do not use

the door bell.

Do not use

mobile phones

Do not operate electric

switches or unplug any

appliances.

Ventilate the environment

and prevent people from

entering the property

0002_02.W180201

0003_00.W170407

warmhaus.co.uk

2. USER’S SECTION

2.1. GENERAL WARNINGS FOR USER

2.1.1. Use of boiler

Perform below given controls prior to use:

• Ensure that radiator/heating system, tap water and gas valves located

in your boiler are open, the heating system pressure is between 1 - 1,5

bar and system air is discharged,

• Gas is available in your gas line (you can control by igniting one of your

gas ovens),

• Make sure there are no combustible materials within the immediate

vicinity of the appliance or any corrosive chemicals that can damage

the appliance.

• If a room thermostat or control device is connected, ensure that it is at

ON position.

Our boiler has a built in frost protection (as long as the appliance is ON

and gas provided) for the system water contained within the boiler only, so

provisions need to be installed to protect the system pipe work in unheated

areas.

Turn OFF the boiler before any maintenance and repair action.

Follow below given main rules:

• Do not clean external frame of boiler while is functioning and do not use

easily ﬂammable materials.

• Do not touch electricity cables.

• In case cables are damaged, the boiler and fuse switches and do not use

the boiler.

• Electrical cables of boiler and its accessories should be replaced by the

Authorised Service.

Safety:

In your own interest, and that of safety, it is the law that this boiler must

be installed by a Gas Safe Registered In IE, the installation must be carried

out by a Registered Gas Installer (RGII) and installed in accordance with the

current edition of I.S. 813 “Domestic Gas Installations”, the current Building

Regulations and reference should be made to the current ETCI rules for

electrical installation.

It is essential that the instructions in this booklet are strictly followed, for

safe and economical operation of the boiler.

Important Notes:

• This appliance must not be operated without the casing correctly ﬁtted

and forming an adequate seal.

• If the boiler is installed in a compartment then the compartment MUST

NOT be used for storage purposes.

• If it is known or suspected that a fault exists on the boiler then it

MUST NOT BE USED until the fault has been corrected by a Gas Safe

Registered Engineer or in IE a Registered Gas Installer (RGII).

• Under NO circumstances should any of the sealed components on this

appliance be used incorrectly or tampered with.

• This appliance is not intended for use by persons (including children)

with reduced physical, sensory or mental capabilities, or lack of

experience and knowledge, unless they have been given supervision or

instructions concerning use of the appliance by a person responsible for

their safety.

Fgure 1 Control panel of Ewa Combi Boiler

Fgure 2 Control Panel with Touch Screen of Ewa

BUTTONS and PUSHBUTTONS

1. MODE, position adjustment button.

2. RESET button.

3. Radiator (CH) water temperature adjustment button.

4. DHW temperature adjustment button.

5. Software connection slot.

6. Digital display screen

7. Temperature, data and failure codes display

8. Radiator symbol is seen when combi is functioning in (CH) position.

Symbol ﬂashes at heating steps or when radiator temperature

adjustment is made.

9. Flame symbol is only seen when boiler is active (burning in combi);

when system detects availability of ﬂame. It is seen as symbol in case of

failure.

10. DHW tap symbol is seen at summer and/or winter position of the combi.

Symbol ﬂashes on DHW request or when DHW adjustment is made.

11. Failure indicator.

12. Failure status RESET requirement.

13. Radiator low water pressure.

14. Temperature increasing button.

15. Temperature decreasing

0005_00.W170519

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7 131211 152

9 10 14

8warmhaus.co.uk

2.1.2. On/O/Stand-by Positions

The boiler panel does not have ON/OFF button. The boiler must be turned

on/o by using the V circuit breaker connected to the boiler circuit.

The temperature value displayed on the combi screen has a ± 3°C tolerance

depending on environmental conditions not arising from the combi.

RESET: It s used for resettng the falure (f temporary) re-startng the

boler

MODE: Used for Winter/Summer/OFF mode adjustment.

Operating modes and related notifications:

OPERATING MODES EXPLANATIONS:

• OFF

• WINTER► Radiator temperature + °C + tap + radiator is displayed.

• SUMMER► Radiator temperature + °C + tap is displayed.

• CH ON► Radiator Temperature + °C + tap + ﬂashing radiator (symbol)

is displayed.

• DHW ON► DHW temperature + °C + ﬂashing tap (symbol) is displayed.

• CH FROST PROTECTION► Radiator temperature

• °C + ﬂashing radiator (symbol) + when boiler is ignited ﬂame (symbol)

is displayed.

• DHW FROST PROTECTION► CH temperature + °C ﬂashing radiator

and tap (symbol) + when boiler ignited ﬂame (symbol)

• CH/DHW SETTING CHANGE► CH adjustment change will be activated

when radiator symbol rapidly ﬂashes. DHW adjustment change will be

activated when tap symbol rapidly ﬂashes.

• Service technician function radiator + tap displayed. (Only for authorized

service, wait for the function to end without pressing any button or rotating

the button in such case!)

CH : Central Heating

DHW : Domestic Hot Water

When the combi is started for the first time,

screen displays nG letter and then a number

(for instance 24) indicating kW power of the

device

and screenlight is closed. Now, combi is at

STANDBY position. The temperature value

when electricity is supplied to the device

is the temperature value of water in the

installation.

Then, OFF letter is displayed,

OFF

2.1.3. Operation in Winter Mode

In winter mode, boiler operates both for heating the environment and

providing Domestic Hot Water. Radiator (CH) temperature adjustment is

made with (3) and (4) numbered buttons in Figure 1 Domestic Hot Water

temperature adjustment is made with (6) and (7) numbered buttons and

this temperature is indicated with (9) numbered indicator for Radiator (CH)

and with (11) numbered indicator for Domestic Hot Water.

Radiator temperature is adjusted with button

(3) and Domestic Hot Water temperature

adjustment is made with button(4) and this

temperature is displayed by indicator (7) on

the screen.

In order to shuton the combi, hold MODE

button, whereas a circle starts on the screen,

release the button when circle is

completed.

In such case, combi initially gets in the

Radiator position, its symbol ﬂashes at left

top corner of screen and existing radiator

installation temperature is displayed on the

screen and then screen light turns o. At

that position, you can adjust the temperature

between 25 – 80 °C with the Radiator

temperature adjustment button (3).

You can increase (14) and decrease (15) the

temperature with temperature adjustment

buttons (see.Figure 48) between 25 – 80

°C, screen lights when buttons are pressed

and °C symbol ﬂashes besides the radiator

temperature value.

warmhaus.co.uk

2.1.4. Operation in Summer Mode

Boiler only operates for heating the domestic hot water in this mode. In

order to switch to summer mode;

{If you have a ground heating system, as our Authorized

Service adjust your combi for “Low Temperature Operaton”,

maximum temperature shall be limited with the Radiator

temperature adjustment button (3) (e.g. maximum 47 °C)}.

Domestic Hot Water Adjustment at Winter

Position; First press the DHW button (4).

At that position, symbol ﬂashes at right

top corner of the screen and existing DHW

temperature will be seen on the screen and

screen light will turn o.

You can adjust the hot tap water temperature

value between 35 – 60 °C with (14) and (15)

numbered buttons. Screen lights during

temperature change, °C symbol ﬂashes

besides the DHW temperature value. Screen

light turns o after adjustment.

If you are starting the combi for the first time

hold MODE button, and release the button

after the cycle is completed on the screen,

initially combi switches to radiator position,

its symbol will ﬂash on left top corner

of the screen existing radiator installation

temperature shall be indicated on the screen

and screenlight will be turned-o.

In order to switch to DHW position, hold

MODE button and release the button after

completion of cycle on the screen. At that

position, symbol ﬂashes at right top corner

of the screen and existing DHW temperature

will be seen on the screen and screen light will

turn o.

At that position , you can adjust the

temperature between 35 – 60 °C with the

Domestic Hot Water temperature adjustment

button (4). Screen light will be open during

adjustment, tap symbol and Domestic

Hot Water temperature value will ﬂash. You

can adjust the hot tap water temperature

value between 35 – 60 °C with (14) and (15)

numbered buttons. Screen lights during

temperature change, °C symbol ﬂashes

besides the DHW temperature value. Screen

light turns o after adjustment.

2.1.5. Shutting o the Boiler

To set the boiler to OFF position while it is in SUMMER position;

When the MODE button is hold, after the cycle is

completed while screen light is on,

screen will display OFF letter, that means your

combi is OFF.

OFF

To bring combi in OFF position while it is in

WINTER; hold MODE button, after cycle is

completed while the screen light is on, combi

will be in SUMMER position.

When combi is started, ﬂame modulation symbol is seen at the middle section

of the screen. At that position, you can increase (3+14) and decrease

(3+15) the temperature with radiator temperature adjustment buttons

(see. Figure 47-48) (3) between 25 – 80 °C, screen lights when buttons are

pressed and °C symbol ﬂashes besides the radiator temperature value.

Now, your combi is at STANDBY position as OFF.

OFF

Then, upon repeating the same operation, letter

will be displayed on screen after completing the

cycle and screen light turns o.

Analogue manometer is located near to right-bottom side of the

combi. Installation pressure should be seen in this manometer even

in the absence of electricity.

{If you have a ground heating system, as our Authorized

Service adjust your combi for “Low Temperature Operaton”,

maximum temperature shall be limited with the Radiator (CH)

temperature adjustment button (3) (e.g. maximum 50 °C)}.

10 warmhaus.co.uk

2.2. USE WITH ROOM THERMOSTAT (OPTIONAL)

This product can be used together with a room thermostat which can be

purchased separately as an accessory. All Warmhaus thermostats can be

connected with dual-wired cables. Carefully read user’s and installation

instructions given in the Accessory set. When connected to a room

thermostat, the appliance can be operated based on requested room

temperature. With certain models of control units, you may run your boiler

on a daily / weekly programme.

General Utilisation Type

• Please consult our authorised services for room thermostats compatible

with Warmhaus boilers.

• Do not remove device components during operation.

• Do not place the boiler in a position allowing direct sunlight exposure or

near heat sources.

• Manufacturer company shall not be responsible for below given

situations:

a) Faulty installation

b) Making intervention on the device by unauthorised persons

c) Failing to follow instructions given in this book and room thermostat

booklets

Installaton nstructon: Device installation shall only be performed by the

Warmhaus Authorised Service. The dual cable required for installation is

supplied by the dealer/consumer.

Mantenance and Servce Lfe: Warmhaus room thermostat should not

come into contact with water or excessive humidity. Unless an external

damage occurs, the room thermostat does not require any maintenance.

Room thermostat should be installed at 1,50 m height from

ground.

At least 30 cm distance should be available from doors and

windows open for air circulation.

2.3. USE OF OUTSIDE TEMPERATURE SENSOR

(OPTIONAL)

This product can be used together with a Outside Temperature Sensor

which can be purchased separately as an accessory.

When connected to a Outside Temperature Sensor, the appliance runs with

reference to the weater temperature, based on selected heating curve.

Available heating curves are given in ﬁgure 5.

Fgure 3 Thermostat position

150 cm

Min.

30 cm

Fgure 4 Boiler controlled by Outside Temperature Sensor

Fgure 5 Heating curves for Outside Temperature Sensor

-25-20-15-10-505101520

K=0,75

K=1,5

K=2,2K=3K=4,5K=6K=9

C.H. Flow Temperature °C

Outside Temperature °C

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0093_00.W210702

0018_00.W210309

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