ACV uk Delta Classic INSTALLATION OPERATING AND SERVICING INSTRUCTIONS

INSTALLATION, OPERATING

AND SERVICING INSTRUCTIONS

DELTA Classic

Combination boiler

with atmospheric burner

ACV reserves the right to modality the technical specifications and components of its products without prior notice. 664Y0100

05/11/2002

1.1 INTENDED USERS OF THESE INSTRUCTIONS

These instructions are intended for:

- the specifying engineer

- the installation engineer

- the user

- servicing technicians

1.2 SYMBOLS

The following symbols are used in these instructions:

Essential instruction for operating the system
correctly.

Essential instruction for personal safety and
environmental protection.

Danger of electrocution.

Risk of burns.

1.3 APPLICABLE STANDARDS

The products have received the “EC” certificate in accordance with the
standards prevailing in different countries (European Directives
90/42/EEC, “efficiency”, 90/396/EEC “gas appliances”). These products
have also received the Belgian “HR+” mark.

1 INTRODUCTION 2

1.1 Intended users of these instructions 2

1.2 Symbols 2

1.3 Applicable standards 2

1.4 Warnings 2

2 INSTALLATION 3

2.1 Boiler room 3

2.2 Connections 3

2.4 Electrical connection 5

3 START-UP 6

3.1 Filling the heating and hot water circuits 6

3.2 Atmospheric burner troubleshooting 6

4 SERVICING 6

4.1 Recommendation 6

4.2 Servicing the gas boiler 6

4.3 Servicing the safety devices 6

4.4 Servicing the burner 7

4.5 Emptying the boiler 7

4.6 Spare parts 7

5 DESCRIPTION 8

5.1 Overview 8

5.2 Description of operation 8

5.3 Design features 9

6 TECHNICAL SPECIFICATION 10

6.1 Effective dimensions 10

6.2 Maximum operating conditions 10

6.3 Domestic hot water performance 10

6.4 Boiler performances 10

6.5 Atmospheric burner 11

7 USER GUIDE 12

7.1 Using the boiler 12

7.2 Boiler room 13

1.4 WARNINGS

These instructions are an integral part of the equipment to which they
refer and must be supplied to the user.

The product must be installed and serviced by qualified engineers, in
compliance with the prevailing standards.

ACV accepts no liability for any damage resulting from incorrect
installation or from the use of components or fittings not specified by
ACV.

Failure to observe instructions regarding tests and test
procedures can result in personal injury or pollution
risks.

Note:
ACV reserves the right to modify the technical specifications and
components of its products without prior notice.

INDEX 1 INTRODUCTION

2

2.1 BOILER ROOM

2.1.1 ACCESS

The boiler room must be large enough to allow good access to the
boiler.The following minimum distances (mm) are required around the
boiler:

- front 500 - sides 100

- rear 150 - above 700

2.1.2 VENTILATION

The boiler room must be fitted with top and bottom vents according to
the table below.

2.1.3 BASE

The base on which the boiler rests must be made of non-combustible
materials.

2.2 CONNECTION

2.2.1 CHIMNEY CONNECTION

The boiler can be connected to a standard flue that complies with the
regulations in force or is connected to a chimney. It must be easy to
remove to give access to the flue pipes when servicing the boiler.

IMPORTANT
Boilers must be installed by a qualified engineer, in
accordance with the prevailing local standards and
regulations.

2.2.2 CENTRAL HEATING CONNECTION

2.2.2.1 Examples of basic circuit configurations

The drain valve and safety valve must be connected to the sewer
drain.

1. 3-way manual motorisable mixer valve

2. Safety valve pre-set to 3 bar with pressure gauge

3. Circulator

4. Non-return valve

5. System filling valve

6. Expansion tank

7. Room thermostat

8. ACV 13 controller

(see controller kit page 5)

9. Central heating isolating valve

10. Drain valve

Fig. 2: Configuration with circulator controlled

by a room thermostat

2 INSTALLATION

Fig. 3: Configuration with motor driven mixer valve

Fig. 1: Boiler room ventilation and chimney connection

A

B

D

C

A. Top vent
B. Bottom vent
C. Chimney height
D. Chimney diameter

3

G20 G25 G30-P30

Ventilation

Min. fresh air requirement m

3

/h 96,6 119,3 140,4

Top vent (A) dm

2

1,5 1,5 1,5

Bottom vent (B) dm

2

1,6 2 2,3

Chimney

C = 5 m Ø min. F mm 153 157 170
C = 10 m Ø min. F mm 153 153 153
C = 15 m Ø min. F mm 153 153 153

9

9

2

4

3

5

6

10

7

9

2

5

6

9

4

8

3
1

10

2.2.2.2 ACV circulation kit

ACV offers an optional pre-assembled circulation kit comprising:

- a circulator.

- a 3-way manual motorisable valve.

- connecting pipes including a second optional circuit.

- two isolating valves.

- adapters for mounting safety valve and filling valve to right or
left of expansion tank.

2.2.2.3 Discharge

The drain cock and safety valve must be connected to the waste
water system in accordance with current regulations.

2.2.3 DOMESTIC HOT WATER CONNECTION

2.2.3.1 Pressure reducer

If the water mains pressure is greater than 6 bar, a pressure

reducer calibrated to 4.5

bar must be fitted.

2.2.3.2 Safety unit

The tank safety unit must be ACV approved and calibrated to 7
bar.
The valve discharge must be connected to the sewer drain.

2.2.3.3 Hot water expansion tank

Installing a hot water expansion tank avoids any risk of pressure
surges due to water-hammer.

2.2.3.4 Hot water circulation

If the tank is situated a long way from the point of use, then
installing a closed return circuit can provide a faster supply of
hot water always available.

2.2.3.5 Description

1. Safety unit

2. Pressure reducer

3. Thermostatic mixing valve

4. Hot water circulator

5. Non-return valve

6. Hot water expansion tank

7. Inlet valve

8. Draw-off valve

9. Emptying valve

IMPORTANT
As a safety measure against burns, we strongly advise
installing a thermostatic mixing valve (recommended
temperature: 60° C).

Optional fittings available

2 INSTALLATION

Fig. 5a: Configuration without thermostatic mixing valve

1

2

3

4

6

5

7

9

8

Fig. 5b: Configuration with thermostatic mixing valve

4

Fig. 4: ACV circulation kit assembly

Safety unit Ø 3/4”
Pressure reducer Ø 3/4”
Thermostatic mixer Ø 3/4”
Hot water expansion tank 5 litres

2

7

1

9

6

4

5

8

Wiring diagram of ACV controller kits (fig. 7)

2 INSTALLATION

2.3 ELECTRICAL CONNECTION

2.3.1 POWER SUPPLY

The boiler operates with a 230 V - 50 Hz single phase supply. An
on-off switch box with 6 A fuses must be fitted outside the boiler to
allow power to be shut off during servicing and before any repairs are
carried out on the boiler.

2.3.2 COMPLIANCE

Boiler installation must comply with the prevailing local standards and
legislation.

2.3.3 SAFETY

The stainless steel tank must be earthed separately.

2.3.4 BURNER ELECTRICAL CONNECTION

The burner is supplied with power by a 3-core cable.

1. Boiler thermostat (60/90° C)

2. On/off switch

3. Summer/winter selector

4. Thermometer

5. Controller (optional)

6. TTB

7. Cut-off thermostat

(95° C max.)

8. Safety thermostat (103° C max.)

9. Plug (power and control)

10. Room thermostat

11. Heating pump connection

12. To gas valve

Fig. 8: Control panel

The power to the boiler must be switched off before any
work is carried out.

Fig. 9: Boiler wiring

M. Brown
O. Orange

N. Black
B. Blue
R. Red

T. Green-yellow

1

2

C

L1

L1

N

T1

T2

N

T1

T2

S3

S3

N

L1

230V-50 Hz

6A

M

R

B

B

O

B

B

O

M

M

T

N

N

1O

11

9

2

8

7

3

6

1

12

241 3 5

B2. Water temperature detector
B9. Outside temperature detector
B5. Analogue/digital room thermostat
P1. Central heating pump

Y1/Y2/N. Mixer valve (SQK349)

bl. Blue N

n/z. Black Y2

br. Brown Y1

5

Fig. 6a: kit 1

Fig. 6b: kit 2

2.2.4 CONTROLLER KITS

KIT 1: ACV 13.00 / Basic
Basic kit for regulating flow temperature according to
weather conditions.
It comprises: temperature regulator with analogue timer,
water temperature detector (-30/130° C), outside temperature
detector (-30/50° C), 230V - 3 spindle servomotor SQY 31
and intermediate socket.

KIT 1: ACV 13.00 / Standard
Basic kit for regulating flow temperature according to
weather conditions.
It comprises: temperature regulator with analogue timer,
water temperature detector (-30/130° C), outside temperature
detector (-30°/50' C), 230V - 3 spindle servomotor SQY
349 and intermediate socket.

SQK 349

P1 B5 B9 B3 B2

QAAD50

(QAAD70)

n/z br

bl

20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2

QAC32 QAD22

P1Y1Y2NB5B9B3B2

230V

N

1

L1

ALIMENTATION

230V / 50 Hz

3.1 FILLING THE HEATING AND HOT
WATER CIRCUITS

1. Fill the domestic hot water circuit and bring it up to pressure.

IMPORTANT
The hot water tank must be pressurised before the
heating circuit is filled.

2. Fill the heating circuit taking care not to exceed the 2 bar pressure

limit.

3. Vent the air from the top of the boiler.

4. After venting the air from the system, bring the pressure up to the

static head plus 0.5 bar: 1.5 bar = 10 m – 2 bar = 15 m.

5. Check the power connection, the boiler room ventilation, and ensu-

re that there are no leaks in the flue gas discharge pipes.

6. Set the thermostat (1) to between 60 and 90° C.

3 START-UP 4 SERVICING

Fig. 10: Control panel

7. Set the Summer/Winter selector (3) to the desired position.

8. Switch the on/off switch (2) to the ON position.

9. Check the gas supply pressure on starting up.

3.2 BURNER TROUBLESHOOTING

Refer to the servicing and troubleshooting instructions for the burner.

Before servicing or repairs, switch off the power at the
mains switch fitted in the boiler room by the electrician.

3

2

5
4

7

1

8

6

4.1 RECOMMENDATION

ACV advises that boilers should be serviced at least once a year.
The burner must be serviced and tested by a competent engineer.

4.2 SERVICING THE GAS BOILER

1 - Switch off the power at the mains switch outside the boiler and

close the gas tap.
2 - Set the on/off switch on the control panel to the OFF position.
3 - Release and remove the chimney flue (1) to free the top of the

boiler.
4 - Remove the jacket top (2) and lift off the flue reducer (3).
5 - Remove the baffles (4) from the flue pipes (5) for cleaning. Replace

them if in poor condition.
6 - Unscrew the burner chamber plate (6).
7 - Brush the flue pipes (5).
8 - Clean the burner chamber (7) and the burner (8).
9 - Check that the insulation on the burner chamber plate (6) is in

good condition.

1. Chimney flue

2. Jacket top

3. Chimney flue reducer

4. Baffles

5. Flue pipes

6. Burner chamber plate

7. Burner chamber

8. Burner

Fig. 11: Main components.

4.3 SERVICING THE SAFETY DEVICES

- Check that all thermostats and safety devices are working properly:

boiler thermostat, cut-off thermostat and manually reset safety

thermostat.

- Test the safety valves on the central heating and hot water circuits

6

21 3

4.4 SERVICING THE BURNER

- Check and clean the burner and ignition electrode.

- Check that the safety components are working properly.

4.5 EMPTYING THE BOILER

4.5.1 EMPTYING THE PRIMARY CIRCUIT (central heating):

1. Switch off the power to the boiler at the mains switch installed by
the electrician.

2. Close the isolating valves (1) of the boiler system.

3. Connect a hose to the drain valve (2).
Ensure that it is attached properly.

4. Open the drain valve and let the hot water drain out.

5. When the boiler is empty, return the isolating and safety valves to
their initial positions.

4.5.2 EMPTYING THE HOT WATER TANK:

1. Switch off the mains power to the boiler at the external switch
installed by the electrician.

2. Relieve the pressure in the primary circuit.

3. Close valves (A) and (B).

4. Open valves (C) and (D) (first C then D).

5. Let the water drain away.

6. After emptying, return the valves to their initial positions.

For the tank to be emptied, valve (C) must be situated at
ground level.

4.6 SPARE PARTS

Refer to the specific document available from ACV or your distributor.

4 SERVICING

Fig. 12a: Emptying the primary circuit

Fig. 12b: Emptying the hot water circuit

A

C

B

D

7

1

1

2

5.1 OVERVIEW

• Combination boiler (central heating and domestic hot water).

• Designed for venting through a chimney.

• TANK-IN-TANK indirect storage type domestic hot water production.

• Fittings necessary for connecting the circulation kit for feeding the
heating circuit

(available as an option).

• Control panel with on/off switch, adjustable thermostat, thermometer,
“Summer/Winter” selector and knockout for fitting ACV integrated
control system

(optional).

• Flue gas anti-backdraught safety device.

• Delivered complete with atmospheric type burner.

• DELTA Classic models G20, G25 and G30, for natural gas, with
rated outputs of 23.2, 28.7 and 34 kW.

• DELTA Classic model P30, for propane, with a rated output of

34.4 kW.

5.2 DESCRIPTION OF OPERATION

5.2.1 THE TANK-IN-TANK CONCEPT

The DELTA Performance series differs from traditional hot water
producers because of its ring-shaped tank immersed in the primary
fluid contained in the outer body. When there is a demand for hot water
from the central heating system or the domestic hot water system, the
thermostat starts the burner. The combustion gases quickly heat up the
primary fluid, creating a natural circulation around the tank.

5.2.2 DOMESTIC HOT WATER HEATED INDIRECTLY

This circulation facilitates heat exchange between the primary fluid and
the domestic water, which takes place all over the tank surface. The
corrugations on the inner and outer shells of the ring-shaped tank
further boost the area of heat exchange and speed up the heating
process of the domestic water.

5.2.3 EASY SETTING AND SAFETY ASSURED

With a single command, the water temperature of both the primary
circuit and the hot water circuit is set by the adjustable thermostat
situated on the tank in the primary circuit. A cut-off thermostat, placed
on top of the boiler, automatically cuts out the burner when the water
temperature in the primary circuit reaches 95° C. A manually reset
safety thermostat shuts off the burner if the temperature reaches
103° C.

5 DESCRIPTION

1. Primary fluid

2. Domestic hot water

3. Combustion chamber

4. Control thermostat

5. Burner

Fig. 13: Stainless steel domestic hot water tank

1

2

5

3

4

Fig. 14: Overview of boiler

8

5.3 DESIGN FEATURES

5.3.1 OUTER BODY

The outer body containing the primary fluid is made of STW 22 steel.

5.3.2 TANK-IN-TANK TYPE EXCHANGER ACCUMULATOR

The ring-shaped inner tank with its large heating surface for producing
domestic hot water is built of Chrome/Nickel 18/10 stainless steel. It is
corrugated over its full height by an exclusive production process and
entirely argon arc welded by the TIG (Tungsten Inert Gas) method.

5.3.3 COMBUSTION GAS CIRCUIT

The combustion gas circuit is protected by cold galvanisation. The
combustion gas circuit comprises:

5.3.3.1 Flue pipes

Depending on output, DELTA Classic models contain 4 or 8 steel
flue pipes with an internal diameter of 64 mm. Each pipe is fitted
with a baffle of special steel designed to improve heat exchange
and reduce flue gas temperature.

5.3.3.2 Combustion chamber

The combustion chamber on DELTA Classic models is water
cooled.

5.3.4 INSULATION

The boiler body is fully insulated by rigid polyurethane foam with a high
thermal insulation coefficient, sprayed on without the use of CFCs.

5.3.5 JACKET

The boiler is covered by a steel jacket which has been scoured and
phosphated before being stove enamelled at 220° C.

5.3.6 BURNER

DELTA Classic boilers are fitted with an atmospheric burner with elec­tric ignition.

IMPORTANT
When starting the burner for the first time and when
servicing it, refer to the technical instructions supplied
with it.

5.3.7 CONTROL PANEL

(Fig. 15)

1 - Thermostat adjustable between 60 and 90° C
2 - On/off switch
3 - Summer/winter selector
4 - Thermometer
5 - Knockout for (optional) controller.

5 DESCRIPTION

Fig. 15: Boiler structure

12

1

15

2

4

3
5

14

6

19
8

11

9

13

7

20

16

18

17

7

10

Fig. 16: Control panel

241 3 5

9

1. Inner ring-shaped domestic hot water tank

2. External body containing central heating circuit

3. Insulation

4. Jacket

5. Flue pipes

6. Baffles

7. Control thermostat 60/90° C

8. Lower heating return

9. Combustion chamber

10. Burner chamber plate

11. Boiler drain

12. Upper heating flow and return

13. Chimney connection

14. Control panel

15. Domestic hot water outlet

16. Domestic cold water inlet

17. Cut-off thermostat 95° C / Thermometer

18. Manually reset safety thermostat 103° C

19. Gas burner

20. Burner chamber disk.

6.1 EFFECTIVE DIMENSIONS

The units are delivered fully assembled, tested and packed on a
timber base with shockproof edges and protected by heat-shrunk
plastic film. On reception and after unpacking, check the equipment for
damage. For transport purposes, refer to the weights and dimensions
given below.

6.2 MAXIMUM OPERATING CONDITIONS

Maximum service pressure (tank full of water)

- Primary circuit: 3 bar

- Secondary circuit: 10 bar

Test pressure

(tank full of water)

- Primary circuit: 4.5 bar

- Secondary circuit: 13 bar

Operating temperature

- Maximum temperature: 90° C

6 TECHNICAL SPECIFICATION

Fig. 17: Effective dimensions

6.3 DOMESTIC HOT WATER PERFORMANCE

6.4 BOILER PERFORMANCES

10

Dimensions

G20 G25 G30/P30

A

1697 1697 1697

B

1460 1460 1460

C

154 154 154

D

360 390 390

Kg

712 712 712

Domestic hot water performances G20 G25 G30 P30

Operating at 80° c

Peak delivery at 40° C (6T = 30° C) litres/10’ 266 339 339 339
Peak delivery at 40° C (6T = 30° C) litres/60’ 820 1025 1151 1161
Continuous delivery 40° C (6T = 30° C) litres/h 665 823 975 986

Operating at 80° c

Initial heating time minutes 40 29 24 24
After draw-off of 140 l à 45° C minutes 16 12 10 10
Specific delivery litres/minutes 11 14 14,5 14,5

Results obtained without a thermostatic mixing valve and with water supply at 10° C

G20 G25 G30 P30

Input kW 26,1 33,1 39,0 40,0
Output kW 23,2 28,7 34 34,4
Combustion efficiency % 89 89 89 89,5
Maintenance loss at 60° C as % of rated value % 1,3 1 0,8 0,87
Mass rate of combustion products g/sec. 20 25 30 30
Average CO

2

% 99910
Total capacity litres 178,5 167,5 167,5 167,5
Primary circuit capacity litres 114,5 87,5 87,5 87,5
Heating connection Ø 1” 1” 1” 1”
Hot water connection Ø 3/4” 3/4” 3/4” 3/4”
Hot water tank heat exchange surface m

2

1,59 2,46 2,46 2,46

Weight empty Kg 154 186 186 186

Chimney connection B11 BS B11 BS B11 BS B11 BS

200

D

570

160

E

C

B

542

A

118 158

6.5 ATMOSPHERIC BURNER

6 TECHNICAL SPECIFICATION

6.5.1 START-UP

- Flush the gas pipe thoroughly, activate the room thermostat and
set the control thermostat for heat demand.

- Open the gas tap.

- Turn on the main switch on the control panel.

IMPORTANT:

- The burner is preset at the factory.

- Check the gas supply pressure and the pressure at the burner
when starting up.

LEGEND:

1. Gas electro-valves

2. Upstream gas pressure test point

3. Pressure regulator

4. Burner gas pressure test point

11

G20 G25 G30 P30

Gas G20 - 20 mbar - I E2+ - I 2E LL

Burner pressure mbar 13,3 12,8 12,3 -
Flow rate m

3

/h 2,76 3,50 4,13 -

Gas G25 - 25 mbar - I 2L

Burner pressure mbar 13,4 13,4 13,4 -
Flow rate m

3

/h 3,10 3,88 4,50 -

Gas G31 - 37/50 mbar - I 3P

Burner pressure mbar - - - 28,5
Flow rate m

3

/h - - - 1,64

Injectorr Ø 1/100 mm 450 470 510 3x190

BE - FR I E2+

AT - DK
ES - GB I 2H

IT - PT
IE - SE

BE - FR
ES - GB I 3P

IE - PT

NL I 2L

LU - DE I 2ELL

Fig. 18: Burner valve

Fig. 19: Natural gas atmospheric burner

Fig. 20: Propane atmospheric burner

1. Flame holders

2. Ionisation ignition electrode

3. Reset button

1. Ionisation ignition electrode

2. Flame holders

3. Injector

4. Reset button

1

8

2

3

1

4

23

7

6

5

4

1

8

7

6

5

4

2

3

7.1 USING THE BOILER

7.1.1 GETTING TO KNOW THE CONTROL PANEL (Fig. 21)

Before doing any work on the boiler, switch off the power
at the mains switch installed in the boiler room by the
electrician.
On the control panel, switch off the ON/OFF switch.

(item 2, Fig. 21)

1 - Control thermostat 60 to 90° C (item 1, Fig. 21)

Central heating systems are generally designed to operate at 80° C
maximum. If they are operated at a lower temperature, a 3-way mixer
valve installed on the heating flow pipe

(see Fig. 3, page 3) allows the

temperature to be set manually or, if you decide to install a regulator

(§ 2.2.4), automatically.

We recommend you set the thermostat to the maximum values to get
the best from the domestic hot water system.

The water stored in the domestic hot water tank in the boiler can be at
a very high temperature.
In all cases, install the thermostatic mixer

(Fig. 5b, page 4) on the domes-

tic hot water flow pipe which must not exceed 60° C.
A blender or mixing valve is recommended at each point of use.

2 - ON/OFF switch

(item 2, Fig. 21)

This must be used to switch off the boiler before working on it.

3 - Summer/winter selector

(item 3, Fig. 21)

“Winter” position: activates both the hot water and central heating func­tions. “Summer” position: the room thermostat or regulator

(§ 2.2.4) is

switched off. The heating circulator is also switched off. Only the
domestic hot water function is provided. You can lower the temperature
on the thermostat (1) to save energy. If there is not enough hot water,
we recommend setting the thermostat (1) to its maximum value.
When the next heating season begins, simply select “Winter” to
reactivate the heating system.

4 - Thermometer

(item 4, Fig. 21)

Reads the temperature of the boiler primary circuit (central heating)
directly.

5 - Regulator

(item 5, Fig. 21)

See the user instructions enclosed if you have chosen this option.

7.1.2 HEATING SYSTEM GAUGE PRESSURE

Your system is fitted with a heating safety valve set to 3 bar, with a
pressure gauge.

Ensure that the water in the system is always pressurised. When cold,
and the air in the system has been vented, the pressure gauge must
show a pressure between 0.5 and 1.5 bar, depending on the height of
the building (1 bar = 5m / 1.5 bar = 10 m and 2 bar = 15 m).
To add water, open the filling valve

(Fig. 2 and 3 page 3). Close the valve

after filling. Vent the air in the system to get an accurate water
pressure reading.

7.1.3 SAFETY VALVE

(central heating)

(item 2, Fig. 3, page 3)

The drain pipe to waste water system drain must
be iaw current regulations.

In the event of a fault after this short trial, inform the
installing engineer.

7.1.4 SAFETY UNIT

(domestic hot water)

(item 1, Fig. 5a and 5b, page 4)

A monthly inspection is recommended.
Lift the lever on the emptying device for a few seconds to ensure that
the safety valve is working properly.

The drain pipe to waste water system drain must
be iaw current regulations.

In the event of a fault after this short trial, inform the
installing engineer.

7 USER GUIDE

Fig. 21: Control panel

241 3 5

12

7.2 BOILER ROOM

• Keep vents free at all times.

• Do not store inflammable products in the boiler room.

• Take care not to store corrosive products near the boiler, such
as paints, solvents, chlorine, salt, soap and other cleaning
products.

• If you smell gas, do not switch on the light or light a flame.Turn
off the mains gas tap at the meter and inform the appropriate
services immediately.

7 USER GUIDE

7.1.5 GAS BURNER - RESETTING

If the atmospheric burner is not working:

1. Remove the protective cover.

2. Press the red button to start the burner.

3. If the burner lights, replace the cover.

If the burner is not working, isolate the electricity
supply before attempting to reset the safety thermostat.

4. Remove the front panel of the casing and reset the safety
thermostat positioned on top of the boiler.

Wait until the boiler temperature is below 60 °C. Then
replace the casing front panel.

5. If the burner lights, replace the cover.

6. If the fault persists, notify the installing engineer.

Starting the burner.

In normal operation, the gas burner starts automatically whenever the
boiler temperature falls below the set temperature.

Fig. 23: Safety thermostat reset button

To ensure your system operates properly, have it
professionally serviced once a year before the central
heating season begins.

Fig. 22: Burner reset button

13

INTERNATIONAL

ACV international n.v

KERKPLEIN, 39
B-1601 RUISBROEK - belgium
TEL.: [phone]
FAX: [phone]
E-MAIL: [e-mail]

AUSTRALIA

ACV PACIFIC PTY.LTD

UNIT 7, 10 ANELLA AVENUE
CASTLE HILL NSW 2154 - AUSTRALIA
TEL.: [phone]
FAX: [phone]
E-MAIL: [e-mail]

BELGIUM

ACV BELGIUM nv/sa

KERKPLEIN, 39
B-1601 RUISBROEK-BELGIUM
TEL.: [phone]
FAX: [phone]
E-MAIL: [e-mail]

CHILE

ALBIN TROTTER Y ACV LTDA

SAN PABLO 3800
QUINTA NORMAL - SANTIAGO - CHILE
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

CZECH REPUBLIC

ACV CR SPOL. s.r.o

NA KRECKU 365
CR-109 04 PRAHA 10 - CZECH REPUBLIC
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

DEUTSCHLAND

ACV DEUTSCHLAND Gmbh

GEWERBEGEBIET GARTENSTRASSE
D-08132 MÜLSEN ST.JACOB - DEUTSCHLAND
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

ESPAÑA

ACV ESPAÑA

C/ANTONIO GAUDI, 3
E-08349 CABRERA DE MAR - ESPANA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

FRANCE

ACV FRANCE sa

31, RUE AMPERE - Z.I MI - PLAINE
F-69680 CHASSIEU - FRANCE
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

ITALIA

ACV ITALIA

VIA MALPIGHI 6
I-48018 FAENZA (RA) - ITALIA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

NEDERLAND

ACV NEDERLAND bv

POSTBUS 350
NL-2980 AJ RIDDERKERK - NEDERLAND
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

POLAND

ACV POLSKA sp. z.o.o.

BUIRO GLOWNE
PL-87 - 702 KONECK - POLAND
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

PORTUGAL

BOILERNOX LDA

RUA OUTEIRO DO POMAR
CASAL DO CEGO, FRACÇÃO C,
PAVILHÃO 3 - MARRAZES
2400-402 LEIRIA - PORTUGAL
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

RUSSIA

ACV RUSSIA

1/9, MALYI KISELNYI
103031 MOSCOW - RUSSIA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

SLOVAK REPUBLIC

ACV SLOVAKIA s.r.o.

PLUHOVÁ 49
831 04 BRATISLAVA - SLOVAK REPUBLIC
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

UK

ACV UK Ltd

ST. DAVID’S BUSINESS PARK
DALGETY BAY - FIFE - KY11 9PF - SCOTLAND
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

USA

TRIANGLE TUBE PHASE III

FREEWAY CENTER - 1 TRIANGLE LANE
BLACKWOOD NJ 08012 - USA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

ARGENTINA

TECNOPRACTICA

ALFEREZ BOUCHARD 4857
1605 CARAPACHAY - BUENOS AIRES
TEL.: [phone]
FAX: [phone]
E-MAIL: [e-mail]

BRAZIL

SIMETAL INDUSTRIA E COMERCIO
DE FERRAMENTAS LTDA

RUA GERSON ANDREIS 535
95112 - 130 CAXIAS DO SUL - BRAZIL
TEL.: [phone]
FAX: [phone]
E-MAIL: [e-mail]

BULGARIA

PROXIMUS ENGINEERING LTD

7 BIAL KREM STR.
9010 VARNA - BULGARIA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

CHINA

BEIJING HUADIAN HT POWER TECHNOLOGY
DEVELOPMENT CO. LTD

ROOM B-912, TOWER B, COFCO PLAZA
N°. 8, JIANGUOMENNEI AVENUE
BEIJING 100005 - PEOPLE’S REPUBLIC OF CHINA
TEL.:[phone] EXT 101
FAX:[phone]
E-MAIL: [e-mail]

DENMARK

VARMEHUSET

FRICHSVEJ 40 A
8600 SILKEBORG - DENMARK
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

ESTONIA

TERMOX AS

TAHE 112A
51013 TARTU - ESTONIA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

GREECE

ESTIAS

MARASLI STREET 7
54248 THESSALONIKI - GREECE
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

ÎLE MAURICE

SOTRATECH

29, RUE MELDRUM
BEAU BASSIN - ÎLE MAURICE
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

LITHUANIA

UAB “GILIUS IR KO”

SAVARNORIU PR. 192
3000 KAUNAS - LITHUANIA
TEL.:[phone]
FAX:[phone]

MAROC

CASATHERM

PLACE EL YASSIR
20300 CASABLANCA - MAROC
TEL.:[phone]
FAX:[phone]

MOLDAVIA

STIMEX - PRIM S.R.L.

STR BUCURESTI, 60A
2012 CHISINAU - MOLDAVIA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

ÖSTERREICH

PROTHERM HEIZUNGSTECHNIK Gmbh

TRAUNUFERSTRASSE 113
4052 ANSFELDEN - ÖSTERREICH
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

ROMANIA

SC TRUST EURO THERM SA

D.N PIATRA NEAMT - ROMAN
km 2 C.P 5 O.P 3 jud. Neamt
5600 PIATRA NEAMT - ROMANIA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

SLOVENIA

Z*MAJ d.o.o.

CESTA OF 49
1420 TRBOVLJE - SLOVENIA
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

SWEDEN

WÄRMEPRODUKTER I KLIPPAN AB

TEMPLAREGATAN 7
26435 KLIPPAN - SWEDEN
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]

TUNISIE

SO.CO.ME CHAUMAX

BOÎTE POSTALE N°44
1002 TUNIS - TUNISIE
TEL.:[phone]
FAX:[phone]

UKRAINE

UKRTEPLOSERVICE LTD

PR. LAGUTENKO 14
83086 DONETSK - UKRAINE
TEL.:[phone]
FAX:[phone]
E-MAIL: [e-mail]