ACV deltaperformance 25, deltaperformance35, deltaperformance45, deltaperformance55, deltaperformanceF25 INSTALLATION OPERATING AND SERVICING INSTRUCTIONS

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excellence in hot water

delta

performance

25 / 35 / 45 / 55 F25 / F35 / F45 / F55 G25 / G35 / G45 / G55

16/12/2004 - 664Y0001

INSTALLATION, OPERATING AND

SERVICING INSTRUCTIONS

EN • 2

WARNINGS 3

Who should read this instructions 3 Symbols 3 Recommendations 3 Applicable standards 3 Important notes 3

INTRODUCTION 4

General description 4 Operating principle 4 Design characteristics 4

INSTRUCTIONS 6

You should familiarise yourself with the control panel 6 Pressure in the heating system 6 Burner shutdown 7

TECHNICAL CHARACTERISTICS 8

General 8 Operating condition limits 8 Dimensions 8 Domestic hot water output data 8 General characteristics 8 Boilers without burner 8

INSTALLATION 9

Boiler room 9 Chimney connection 9 Heating system connection 10 Domestic hot water connection 10 Controller kits 11 Oil supply 11

ELECTRICAL CONNECTIONS 12

Electrical boiler connection 12 Electrical burners connection 12

OIL BURNER CHARACTERISTICS 13

Description 13 Setting oil burner parametres 13

GAS BURNER CHARACTERISTICS 14

ACV BG 2000-S Air/Gas premix gas burner 14 Setting gas burner parametres 14 Gas categories 14

COMMISSIONING AND MAINTENANCE 16

Filling the hot water and heating circuits 16 Using the boiler for the first time 16 Recommendation 16 Maintenance of the boiler 16 Maintenance of the burner 16 Maintenance of safety devices 16 Draining the boiler 16

NOTES 18

SPARE PARTS See at the end of this manual

INDEX

EN • 3

WHO SHOULD READ THESE INSTRUCTIONS

These instructions should be read by:

- the specifying engineer

- the installer

- the user

- the service engineer

SYMBOLS

RECOMMENDATIONS

• These instructions are an integral part of the equipment to which they refer and the user must be provided with a copy.

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

• The manufacturer cannot accept liability for any damage resulting from incorrect installation or from the use of components or fittings not specified by the manufacturer.

• Any failure to follow instructions relating to tests and test procedures may result in personal injury or risks of pollution.

• It is important to switch the boiler off before carrying out any work.

• There are no user parts inside the control panel.

APPLICABLE STANDARDS

The products described in this document have been certified at European level “CE” (European Directives 92/42/EEC “Efficiency”, 90/396/EEC “Gas devices”). They have be awarded the Belgian label “HR+” (gas boilers) and “OPTIMAZ” (oil boilers).

IMPORTANTS NOTES

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

The product must be installed and serviced by qualified engineers in accordance with the regulations in force.

The manufacturer declines all liability for any damage caused as a result of incorrect installation or in the event of the use of appliances or accessories that are not specified by the manufacturer.

The manufacturer reserves the right to change the

technical characteristics and specification of its products without notice.

WARNINGS

Danger of burns

Essential instruction for the safety of persons and the environment.

Danger of electrocution.

Essential instruction for the correct operation of the installation.

EN • 4

GENERAL DESCRIPTION

This boiler is available in 5 models.

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

• Designed for connection to a chimney.

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

• Equipment required: a water connection kit for heating circuit supply (optional).

• The control panel contains a main switch, a control thermostat, a thermometer, a Summer/Winter switch and knockout for the built-in ACV control system (to be ordered separately).

• DELTA Performance 25, 35, 45 and 55 models - with effective outputs adjustable between 22 and 62 kW - are shipped without burners. They can be fitted with most gas or oil burners available on the market.

• DELTA Performance F25, F35 and F45 models - with effective outputs adjustable between 22 and 54 kW - are shipped with an ACV BM R oil burner.

• DELTA Performance F55 models - with effective outputs adjustable between 45 and 62 kW - are shipped with an ACV BM oil burner.

• DELTA Performance G25, G35, G45 and G55 models - with effective outputs adjustable between 22.5 and 49 kW - are shipped with a BG 2000-S gas burner.

OPERATING PRINCIPLE

The “Tank-in-Tank” concept

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

Indirect hot water heating

This circulation allows easier heat exchange between the primary fluid and the domestic water, all over the tank surface. The corrugations on the inner and outer shells of the ring-shaped tank increase the area of heat exchange still further and thus speed up the process of heating the domestic water.

Easy to control and safe

With a single command, the water temperature of both the primary circuit and the domestic hot water circuit can be set by the adjustable thermostat situated underneath the tank in the primary circuit. A cut-off thermostat, placed on the top of the boiler automatically switches off the burner when the temperature of the water in the primary circuit reaches 95°C. A manually resetable safety thermostat switches off the burner if the temperature reaches 103°C.

DESIGN CHARACTERISTICS

Lining

The boiler is protected by a steel lining that first of all undergoes a degreasing and phosphation process before being lacquered and cured at 220°C.

Heating body

The boiler heat exchanger is constructed from carbon steel STW 22 with welded joints. It is hydraulically tested under a pressure of

4.5 bar (maximum working pressure = 3 bar).

“Tank-in-Tank” type storage exchanger

The ring-shaped inner tank is made from 18/10 austenitic stainless steel and features a large heat exchanger surface for rapid hot water heating. It is corrugated over its full height by means of an exclusive production process, and is fully argon welded using the TIG (Tungsten Inert Gas) method.

Combustion gas circuit

The combustion gas circuit is protected by high temperature paint. The circuit comprises:

• Flue pipes Depending on output, the various DELTA Performance models

contain either 4 or 8 steel flue pipes with an inner diameter of 64 mm. Each pipe is fitted with a special steel baffle designed to improve heat exchange and reduce the flue gas temperature.

• Combustion camber Sealed combustion chamber. The combustion chamber is water-

cooled.

Insulation

The boiler body has a full sprayed-on rigid polyurethane foam insulation with a high insulation coefficient. No CFC emissions are created by the spraying process.

Oil Burner BM R 31 BM R 51 BM 101

F25 / F35 - -

F45 - -

F55 - -

Gas Burner BG 2000-S

G25 / G35 / G45 / G55

Climatic controller

It is possible integrated a climatic controller in the control panel.

Control panel

1. Control thermostat (60/90°C)

2. Main switch

3. Summer/Winter switch

4. Thermometer

5. ACV Controller (opcional)

INTRODUCTION

51 2

EN • 5

INTRODUCTION

Detachable casing cover (access to baffles)

Heating out

Domestic hot water outlet

Flue ways

Baffles

Heating return

Domestic cold water inlet

Combustion chamber

Boiler drain cock

Inner annular tank containing

a domestic hot water

Polyurethane foam insulation

Outer body containing the primary water

Base

Detachable front panel

Burner cover

Manual reset high limit thermostat (103°C)

Control panel

Side casing

Burner chamber plate

Control thermostat bulb

Bulb of the thermal reset high limit thermostat (95°C)

Chimney reducing pipe

EN • 6

INSTRUCTIONS

We recommend that you have your system serviced

each year by a qualified engineer.

Starting the burner: In normal operation the burner starts automatically if

the temperature of the boiler is below setpoint.

Before carrying out any work on the boiler, isolate

it from the electrical supply at the switch on the external control box.

Also move the main switch on the control panel to

“OFF”.

YOU SHOULD FAMILIARISE YOURSELF WITH THE CONTROL PANEL

1 - Control thermostat

If the boiler is being used to generate hot water only, the boiler temperature can be set to between 60 and 90°C. If the boiler is being used for hot water and heating, then the boiler’s control thermostat should normally be set to 80°C to guarantee optimum operating conditions.

2 - Main switch

This switch is used to start and stop the boiler

3 - Summer/Winter switch

Switches ON and OFF the heating pump.

4 - Thermometer

The thermometer shows the boiler temperature in the heating circuit. This temperature should not exceed 90°C. If it does, stop the boiler and check the set tings on the thermostat. If the problem persists, contact your installer for advice.

5 - ACV climatic controller (optional)

Refer to the instructions supplied with the controller if you have this option.

51 2

PRESSURE IN THE HEATING SYSTEM

The Central Heating pressure must be minimum 1 bar and must be periodically checked by the end user. Make sure that the appliance is powered off when filling the system. To do this, turn the on/off switch. For more information, please ask your installer when the system is delivered. A safety valve is provided underneath the appliance. If the system pressure exceeds 3 bars, this valve opens and drains the water from the system. In this case, please contact your installer.

The water escaping from the safety valve

can be extremely hot and cause very

serious burns.

EN • 7

BURNER SHUTDOWN

If the oil burner is not working:

1. The burner indicator lamp lights.

2. Press the burner reset button on the burner. Now switch

off the boiler for a few seconds at the main switch and then restart it.

If the gas burner is not working:

1. Remove the protective burner cover.

2. The reset but ton lamp is lit.

3. Press the reset but ton to start the burner. Now switch off the boiler for a few seconds at the main switch and then restart it.

If the oil or gas burner does not operate, isolate the boiler’s electrical supply at the switch

on the external control box before removing the front panel of the casing, for press the

manual reset high limit thermostat on the top of the boiler

Manual reset high

limit thermostat

Wait until the boiler temperature drops to below 60°C, then refit the front panel

of the casing.

If the problem persists, please contact your installer for advice.

Starting the burner.

In normal operation the burner starts automatically if the temperature of the boiler is below setpoint.

To ensure that your system operates correctly, please have it serviced annually by a

qualified engineer; servicing should be done before the start of the heating season.

INSTRUCTIONS

EN • 8

TECHNICAL CHARACTERISTICS

DOMESTIC HOT WATER OUTPUT DATA

F25 / G25

F35 / G35

F45 / G45

F55 / G55

Operating conditions at 80°C

Peak ﬂow at 40°C [ΔT = 30°C] L/10’ 268 285 316 362

Peak ﬂow at 40°C [ΔT = 30°C] L/60’ 806 1035 1284 1533

Constant ﬂow at 40°C [ΔT = 30°C] L/h 645 900 1161 1405

Tank reﬁll time at 60°C

Initial heating time minutes 32 29 16 16

After drawoff of 140 L at 45°C minutes 15 11 9 7

GENERAL CHARACTERISTICS

F25 / G25

F35 / G35

F45 / G45

F55 / G55

Total capacity L 157 178 132 162

Heating circuit capacity L 83 104 70 82

Heating connection Ø 1” 1” 1” 1”

DHW connection Ø 3/4” 3/4” 3/4” 3/4”

Water tank heat exchanger surface m

1,59 1,59 1,99 2,46

BOILERS WITHOUT BURNER 25 35 45 55

Input kW 25 / 33 33 / 45 42 / 61 50 / 69

Output kW 22 / 29 29 / 40 38 / 54 45 / 62

Heat losses [60°C] % 1,36 / 1,0 1,0 / 0,79 0,8 / 0,56 0,75 / 0,6

DIMENSIONS 25 35 45 55 F25 F35 F45 F55 G25 G35 G45 G55

A [mm] 1497 1697 1497 1697 1497 1697 1497 1697 1497 1697 1497 1697

B [mm] 130 130 150 150 130 130 150 150 130 130 150 150

C [mm] 360 360 390 390 360 360 390 390 360 360 390 390

D [mm] 565 565 565 565 818 818 818 848 755 755 755 755

Weight when empty [kg] 145 156 168 200 157 168 180 212 159 170 182 214

GENERAL

The appliances are supplied fully assembled, tested and packed standing on a timber base with impact protection strips and rapped in heat-shrunk plastic film. When the appliance arrives, remove the packaging and check that no par ts have been damaged during shipment. Refer to the dimensions and weights listed below for handling purposes:

OPERATING CONDITION LIMITS

Maximum service pressure (tank filled with water)

- Heating circuit: 3 bar

- DHW circuit: 10 bar

Test pressure (tank filled with water)

- Heating circuit: 4,5 bar

- DHW circuit: 13 bar

Operating temperature

- Maximum temperature: 90°C

Water quality

• Chlorides: < 150 mg/l (304 Stainless steel) < 2.000 mg/l (Duplex)

• 6 ≤ ph ≤ 8

570

200

542

276

EN • 9

Chimney connector type: B23

The chimney must be connected to the boiler by means of a metal pipe rising at an angle from the boiler to the chimney. It must be easily removable in order to give access to the flue pipes when servicing the boiler. A draught regulator must be installed on the chimney in order to stabilise negative pressure.

The high efficiency of our boilers means that the flue

gases exit at low temperature. The attendant risk of condensation may cause damage to some chimneys. To avoid this risk we strongly advise that you line the chimney.

Please contact your installer for further information

about chimney lining.

A. High level ventilation B. Low level ventilation C. Draught stabiliser D. Flame inspection window E. Height of lined chimney F. Chimney diameter

INSTALLATION

BOILER ROOM

Important

• Never obstruct the ventilation.

• Do not store inflammable products in the boiler room.

• Avoid storing corrosive products such as paint, solvents, chlorine, salt, soap or other cleaning products near the boiler.

Accessibility

The boiler room should be large enough to allow easy access to the boiler. Minimum clearances around the boiler:

• To the front 500 mm

• To the rear 150 mm

• To the sides 100 mm

• Above 700 mm

Base

The base on which the boiler will be mounted must be made from non-combustible materials.

Ventilation

The boiler room must have both low and high level ventilation.

By way of information, the table below gives the minimum ventilation requirements according to Belgian regulations.

The user must ensure that his boiler room ventilation complies with local regulations.

CHIMNEY CONNECTION

Important:

The boiler must be installed by a qualified engineer

in accordance with the local standards and codes of practice.

The diameter of the chimney must not be less than the

diameter of the boiler’s chimney reducer.

Ventilation

F25

F35

F45

F55 G25 G35 G45 G55

Fresh air supply minimum m3/h 50 / 66 66 / 99 84 / 122 100 / 138 45 63 81 99

High level ventilation [A] dm2 2 2 2 2 1,5 1,5 1,5 1,5

Low level ventilation [B] dm2 1,5 1,5 1,5 1,5 / 2,1 1,5 1,5 1,5 1,7

Draught stabiliser [C] Ø 130 130 150 150 130 130 150 150

Chimney

F25

F35

F45

F55 G25 G35 G45 G55

E = 5 m Ø min. F mm 158 / 182 182 / 213 208 / 248 226 / 266 160 189 215 236

E = 10 m Ø min. F mm 133 / 153 153 / 179 175 / 209 190 / 223 135 159 181 199

E = 15 m Ø min. F mm 130 / 138 138 / 162 158 / 188 172 / 202 130 143 163 179

N.B.: The figures for (B) and (C) only apply to type B23 connectors.

The above table is shown by way of indication only as regulations vary from country to country.

EN • 10

INSTALLATION

8 8

HEATING SYSTEM CONNECTION

TYPICAL SINGLE CIRCUIT CONFIGURATION

1. 3-way motorised mixer valve.

2. Safety valve calibrated to 3 bar, with pressure gauge.

3. Pump.

4. Check valve.

5. System filling valve.

6. Expansion vessel.

7. Controller ACV 13.00 (see Controller Kit on page 11)

8. Isolating valve, heating system.

9. Drain cock.

DRAIN

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

DOMESTIC HOT WATER CONNECTION

TYPICAL CIRCUIT WITH THERMOSTAT VALVE

1. Safety group

2. Pressure reducing valve

3. Thermostatic mixer

4. Hot water pump

5. Check valve

6. Hot water expansion vessel

7. Cold water supply tap

8. Drawoff tap

9. Drain cock

10. Air vent

11. Isolating valve

PRESSURE REDUCING VALVE

If the mains water pressure exceeds 6 bar, a pressure reducing valve calibrated to 4.5 bar must be installed.

SAFETY GROUP

The safety group of the water tank must be approved by ACV and calibrated to 7 bar; the group’s valve discharge must be connected to the sewer.

HOT WATER EXPANSION VESSEL

Installing a hot water expansion vessel will prevent any risk of excess pressure due to water hammer or pressure fluctuations.

HOT WATER CIRCULATION

If the water tank is a long way from the point of use, installing a closed recirculation circuit can ensure a faster hot water drawoff at any time.

ACV HYDRAULIC KIT

ACV can supply an optional pre-assembled water kit. This kit comprises:

• A pump;

• A 3-way manual valve. This valve can be motorised if required;

• Connection pipes that can be used to connect a second heating circuit;

• Two isolating valves;

• Connectors for the right or left hand mounting of the expansion vessel, the safety valve with pressure gauge and the filling valve. The expansion vessel is not included.

Optional accessories

Safety group Ø 3/4” Pressure reducing valve Ø 3/4” Thermostatic mixer Ø 3/4” Expansion vessel 5 litres

IMPORTANT

As a safety

measure, we

strongly advise

the installation of

a thermostatic

mixer to prevent

any risk of burning to

persons.

EN • 11

INSTALLATION

CONTROLLER KITS [OPTIONAL]

KIT 1: ACV 13.00 / BASIC

This basic kit is used to control the hot water circuit outlet temperature as a function of ambient conditions. It comprises: a temperature controller with analog clock, a surfacemounted primary water temperature sensor (-30/130°C), an outdoor sensor (-30/50°C), a servomotor SSY 319 230 V 3-pin and an intermediate socket.

KIT 2: ACV 13.00 / STANDARD

CIRCUIT DIAGRAM OF ACV CONTROL KITS

B2. Temperature sensor B9. Outdoor sensor B5. Analog/digital room sensor P1. Pump Y1/Y2/N. Servomotor (SSY 319 or SQK 349) bl. Blue N n/z. Black Y2

br. Brown Y1

Please contact your installer for further details about

this.

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

bk br

SSY 319 / SQK 349

QAAD50

(QAAD70)

QAC32 QAD2

P1 B5 B9 B3 B2

P1Y1Y2N B5 B9 B3 B

OIL SUPPLY

INSTALLATION WITHOUT RETURN INSTALLATION WITH RETURN

Height [H] Ø int. 8 mm [L] Ø int. 10 mm [L]

0,5 m 10 m 20 m

1,0 m 20 m 40 m

1,5 m 40 m 80 m

2,0 m 60 m 100 m

Height [H] Ø int. 8 mm [L] Ø int. 10 mm [L]

0,0 m 35 m 100 m

0,5 m 30 m 100 m

1,0 m 25 m 100 m

1,5 m 20 m 90 m

2,0 m 15 m 70 m

2,5 m 8 m 30 m

3,5 m 6 m 20 m

EN • 12

ELECTRICAL CONNECTIONS

ELECTRICAL BOILER CONNECTION

PRINCIPLE OF SUPPLY

The boiler operates on a single-phase supply of 230 V/50 Hz. You should install a control box with main switch and 6 A fuses externally to the boiler to allow the boiler to be isolated from the supply for servicing and repairs.

STATUTORY COMPLIANCE

The installation must comply with your local standards and codes of practice.

SAFETY

The stainless steel water tank must be provided with a separate earth.

BOILER WIRING

1. Control thermostat [60/90°C]

2. Main switch

3. Summer / Winter switch

4. Manual reset high limit thermostat [103°C max.]

5. Power supply to boiler

6. Heating pump connection

7. Burner connection [7-pin plug]

8. Room thermostat [optional]

9. Thermal reset high limit thermostat [95°C]

B. Blue Br. Brown Bk. Black Or. Orange Y/Gr. Yellow / Green

The boiler must be isolated from the electrical supply before any work is carried out on it.

N T1 T

2S3S3

S3 B4

NT1T2

5 8

230V ~ 50 Hz

Br Bk

Bk Br

Y/Gr

ELECTRICAL BURNERS CONNECTION PH. Phase

N. Neutral M. Motor VM1. Magnetic valve 1 VM2. Magnetic valve 2 PF. Oil preheating

T. Ignition transformer AL. Alarm CF. Photoelectric cell

B. Blue Br. Brown Bk. Black G. Grey Gr. Green Y. Yellow Y/Gr. Yellow / Green

The boiler must be isolated from the electrical supply before any work is carried out on it.

1 2 3 4 5 6 7 8 9 10 1112

S3 B4

N T

VM1

L1 N

1 2 3 4 5 6 7 8 9 1011 12

S3 B4

N T

Y/Gr

Br Br

Y/Gr

ELECTRICAL CONNECTION

BM R 31 - BM R 51 - BM 101

ELECTRICAL CONNECTION

BG 2000-S

EN • 13

OIL BURNER CHARACTERISTICS

Relay

Burner connector

High viltage transformer

Solenoid valve

Motor

Photoelectric sell

Oil pump

OIL BURNER DESCRIPTION

To fit out our Delta performance Oil boiler we needed a really high performance burner to give perfect combustion. We opted to use the brand new technology of the ACV BM R 31, BM R 51 y BM 101 burners.

Chamber plate (oil)

The chamber plate has 4 screws (M 8 x 20 mm) for the fixing of the burner. It is protected from the radiation of the flame by an insulation blanket.

SETTING OIL BURNER PARAMETERS F25 F35 F45 F55

Burner BM R 31 BM R 31 BM R 51 BM 101

Output kW 12 / 48 12 / 48 42 / 60 55 / 130

Electrical power W 150 150 150 185

Nozzle gal/h 0,6 0,75 0,85 1,50

Nozzle angle 60° 60° 60° B 60° B

Oil ﬂow rate kg/h 2,18 2,84 3,60 5,76

Pump pressure bar 11,2 12,0 15,0 10,0

Flue gas index 0,6 0,3 0,4 0,5

Air ﬂap setting 4,5 4,8 4,5 5,0

Combustion head setting 1 2 - 3 4 - 5 4 - 5

Flue pressure drop mbar 0,02 / 0,09 0,08 / 0,09 0,01 / 0,08 0,02 / 0,05

Weight kg 12 12 12 14

Ø112

Ø28

4 x Ø6.5 (M8)

53 53

BM R 31 BM R 51 BM 101

A mm 240 260

B mm 270 300

C mm 215 250

D mm 280 310

E mm 60 - 130 60 - 150

F M 8 M 8

G mm 80 90

85 95

LK Ø 140 - 165 125 - 180

EN • 14

GAS BURNER CHARACTERISTICS

ACV BG 2000-S AIR/GAS PREMIX GAS BURNERS

The air/gas premix BG 2000-S burner is fitted with a Honeywell gas valve, a venturi tube and an electrical control relay. The gas valve has been specially developed for low NOx air/gas premix burners with automatic lighting and flame detection by ionisation.

The pressure at the gas valve outlet is equal to the air pressure at the neck of the venturi tube, reduced as the offset is adjusted. The fan sucks in the combustion air through the venturi tube which the gas inlet leads into. As it goes through, the air creates a vacuum to the right of the neck of the venturi tube and sucks in the gas at the venturi tube outlet. A perfect air/gas mix then goes through the fan and then goes on towards the ramp.

The electrical control relay built into the gas valve ensures that the flame on the burner is properly it and controlled.

This principle guarantees silent and totally safe operation:

• If there is not enough air, the vacuum in the venturi tube drops, the gas flow is reduced, the flame goes out and the gas valve is closed. The burner is locked out.

• If there is any restriction in the discharging of the burnt gases, the air flow drops and this leads to the same reactions as those described above leading to the burner being shut down, locked out.

SETTING OIL BURNER PARAMETERS G25 G35 G45 G55

Burner BG 2000-S/25 BG 2000-S/35 BG 2000-S/45 BG 2000-S/55

Input kW 25 34,9 45 55

Output kW 22,45 31,35 40,5 49

Combustion efﬁciency - natural gas % 91,7 91,5 92,4 92

CO2 natural gas % 9,1 9,0 8,9 9,0

CO2 propane % 11,0 / 11,2 11,0 / 11,2 11,0 / 11,2 11,0 / 11,2

Net T° of burnt gases °C 170 173 153 165

Maintenance loss at 60°C of rate value % 1,36 1,0 0,8 0,7

Gas connection [female] Ø 3/4” 3/4” 3/4” 3/4”

Weight Kg 14 14 14 14

Gas G20 - 20 mbar [ I2E(S)B - I2Er - I2H - I2ELL - I2 E ]

Flow m3/h 2,65 3,70 4,76 5,8

Gas G25 - 20 mbar [ I2ELL ] - 25 mbar [ I2L ]

Flow m3/h 3,07 4,3 5,52 7,98

Gas G31 - 30 / 37 / 50 mbar [ I3P ]

Flow m3/h 1,02 1,43 1,84 2,25

N.B. : • The burners are preset in our factory for use with natural gas (equivalent to G20)

• An adjustement of the CO2 % is not allowed in Belgium. I 2E(S)B

The BG 2000-S burner is factory preset to

natural gas.

Conversion to propane:

Prohibited in Belgium. Conversion kit enclosed with the burner comprising:

- Gate disk(s)

- Rating plate(s).

- Settings sticker.

- Assembly instructions.

Venturi Fan

Air / Gas

mixture

Air

Gas

Offset

adjuster screw

Gas flow adjuster

screw [CO2]

GAS CATEGORIES

I2Er I2E(S)B I2H I3P I2L I2ELL I2E

FR BE

AT - DK - ES - UK

IT - PT - IE - SE

BE - FR - ES

UK - PT - IE

NL DE LU

EN • 15

GAS BURNER CHARACTERISTICS

Ignition electrode

Burner reset

Female gas connector Ø 3/4”

Ionisation electrode

Venturi

Fan

Burner chamber plate insulation

Burner chamber plate sealing cord

Gas valve

Burner chamber plate

Flame inspection window

Burner tube

Potentiometer setting

Electrical burner connector

Ignition cable

Ionisation cable

Control/monitoring relay

EN • 16

FILLING THE HOT WATER AND HEATING CIRCUITS

IMPORTANT

It is essential that the water tank is under pressure

before the heating circuit is filled.

1. Fill the hot water circuit and pressurise it.

2. Fill the heating circuit - do not exceed a pressure of 2 bar.

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

4. Once you have vented the system, return the pressure to static pressure plus 0.5 bar.

Height of the heating system:

• 10 m ➠ heating circuit pressure = 1.5 bar

• 15 m ➠ heating circuit pressure = 2 bar

USING THE BOILER FOR THE FIRST TIME

1. Check the gas or oil supply connection and ensure that it is free from leaks.

2. Check the electrical connection to the boiler and the boiler room ventilation, and ensure that the flue gas discharge pipes and the burner chamber plate are properly gas tight.

3. Set the boiler thermostat to between 60 and 90°C.

4. Move the Summer/Winter switch to the required position.

5. Move the main switch to “ON”.

6. Carry out the necessary venting operations, measurements and settings.

RECOMMENDATION

ACV recommends that you have the boiler serviced at least once a year. Boiler servicing and checking must be carried out by a qualified engineer.

MAINTENANCE OF BOILER

1. Isolate the boiler from the electrical supply at the switch on the external control box, and close the gas or oil supply valve.

2. Move the main switch on the control panel to “OFF”.

3. Remove the chimney flue (G) to free the top of the boiler.

4. Remove the jacket top (A) and lift off the flue reducer (B).

5. Remove the baffles (C) from the flue ways (D) and clean them. Replace these items if worn.

6. Remove the burner cover and burner [E].

7. Brush the flue ways (D).

8. Clean the combustion chamber (F) and the burner.

9. Check the condition of the seal on the burner chamber plate [H].

MAINTENANCE OF BURNER

See the technical and maintenance manual of the burner.

MAINTENANCE OF SAFETY EQUIPMENT

- Check that all thermostats and safety devices operate correctly:

boiler thermostat, thermal reset high limit thermostat and manual reset high limit thermostat.

- Check the safety valves in both the heating circuit and the hot

water circuit.

COMMISSIONING AND MAINTENANCE

DRAINING THE BOILER

The water draining from the drain cock is very

hot and can cause serious burns. Keep all persons away from running hot water.

Draining the heating circuit

1. Move the main switch on the control panel to “OFF”, isolate the boiler from the electrical supply at the switch on the external control box and close the gas or oil supply valve.

2. Close the isolating valves (8) in the heating circuit.

3. Connect a flexible tube to the drain cock (9).

4. Open the drain cock (9) to drain the heating circuit.

Draining the hot water circuit

1. Move the main switch on the control panel to “OFF”, isolate the boiler from the electrical supply at the switch on the external control box and close the gas or oil supply valve.

2. Release the pressure in the heating circuit until the pressure gauge reads zero.

3. Close the tap (7) and the isolating valve (11).

4. Open the drain cock (9) and air vent (10) (first 9 then 10).

5. Allow the hot water circuit to discharge to the drain.

The drain cock (9) must be at ground level for the

circuit to drain fully.

Water escaping from the safety valve or safety

group can be extremely hot and cause very serious burns.

EN • 17

COMMISSIONING AND MAINTENANCE

8 8

EN • 18

A09

A05

A02

A03

A08

N° 25 - F25 G25 35 - F35 G35 45 - F45 G45 55 - F55 G55

A01

30537054 30537054 30537055 30537055 30537389 30537389 30537227 30537227

A02

21473338 21473338 21473339 21473339 21473338 21473338 21473339 21473339

A03

21472338 21472338 21472339 21472339 21472338 21472338 21472339 21472339

A04

21471338 21471338 21471339 21471339 21471338 21471338 21471339 21471339

A05

21474338 21474338 21474339 21474339 21474338 21474338 21474339 21474339

A06

21475338 21475338 21475338 21475338 21475338 21475338 21475338 21475338

A07

21478338 21478338 21478338 21478338 21478338 21478338 21478338 21478338

A08

21476339 21476338 21476339 21476338 21476339 21476338 21476339 21476338

A09

21477338 21477338 21477338 21477338 21477338 21477338 21477338 21477338

A10

21423026 2147P263 21423026 2147P263 21423026 2147P263 21423026 2147P263

A07

A06

A04

A10

A01

25 - F25 - G25 35 - F35 - G35 45 - F45 - G45 55 - F55 - G55

24614093 24614093 24614093 24614093

54766016 54766016 54766016 54766016

54766017 54766017 54766017 54766017

54442045 54442045 54442045 54442045

54764021 54764021 54764021 54764021

54763007 54763007 54763007 54763007

54322000 54322000 54322000 54322000

54764010 54764010 54764010 54764010

54428129 54428129 54428129 54428129

49410045 49410045 49410045 49410039

25 - F25 - G25 35 - F35 - G35 45 - F45 - G45 55 - F55 - G55

50423337 50423337 - -

- - 507F3033 507F3033

- - 557A0016 557A0016

507F2005 507F2005 507F2005 507F2005

51305000 51305000 51305000 51305000

55426001 55426001 55426001 55426001

63438001 63438001 63438001 63438001

47438008 47438008 47438008 47438008

47405004 47405004 47405004 47405004

47405005 47405005 47405005 47405005

F25 F35 F45 F55

BM R 31

237E0009 237E0009 - -

BM R 51

- - 23860600 -

BM 101

- - - 23860200

G25 G35 G45 G55

BG 2000-S/25

237D0063 - - -

BG 2000-S/35

- 237D0066 - -

BG 2000-S/45

- - 237G0065 -

BG 2000-S/55

- - - 237D0013

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