ACV SV - 35 Manuel utilisateur

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 big enough to allow easy access to the

boiler. Minimum clearances around the boiler (mm):

- to the front 500

- to the rear 150

- to the sides 100

- above 700

Ventilation

The boiler room must have both low and high level ventilation (see

Fig. 3).

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 connector type: B23 (Fig.3)

The chimney must be connected to the boiler by means of a metal

pipe rising at an angle from the boiler to the chimney.

A chimney connection is required.

A. High level ventilation

B. Low level ventilation

C. Draught stabiliser

D. Flame inspection window

E. Height of lined chimney

F. Chimney diameter

SV - MV / 35 SV - MV / 50

Ventilation

Fresh air supply min. m3/h 63 90

High level ventilation (A) dm21.5 1.5

Low level ventilation (B) dm21.5 2

Draught stabiliser (C) Ø80 100

N.B.:

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

Base

The base on which the boiler will be mounted must be made from

non-combustible materials.

CHIMNEY CONNECTIONS

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.

Fig. 3: Boiler ventilation and chimney connection type B23

Important note:

The above table is shown by way of indication only as

regulations vary from country to country.

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.

SV - MV / 35 SV - MV / 50

Chimney

E = 5 m Ø min. F mm 213 236

E = 10 m Ø min. F mm 179 199

E = 15 m Ø min. F mm 162 179

INSTALLATION

CHIMNEY CONNECTORS TYPE: C XX (Figs. 4, 5 and 6)

• C 13 (x): Concentric / parallel connector with horizontal terminal.

• C 33 (x): Concentric / parallel connector with vertical terminal.

• C 43 (x): Concentric / parallel connector for several boilers in a

common chimney.

• C 53 (x): Parallel chimney connector with air intake and flue gas

outlet in different pressure zones (different locations).

• C 63 (x): Connector for connection to an approved discharge system

(Netherlands, Germany and Luxembourg only).

INSTALLATION

Fig. 5:

Concentric co

nnector Fig. 6:

Parallel connector

Fig. 4: Chimney connectors type C xx

C43

C53

C13

C33

2 m min.

150 min.

120

C13

Concentric connector

Maximum length concentric tubing:

6 metres due to the maximum air temperature at the venturi (70°C).

Note:

-A90 degree bend = 1 metre equivalent length.

Example:

-6metres concentric = one 90° bend + 4 metres horizontal +

outlet 1 metres.

“CE” approved according to EN 483

A drain outlet must be provided near the boiler to

prevent condensation from the chimney entering the

boiler.

All horizontal pipe runs must fall to the boiler to prevent

condensation water escaping from the terminal.

Parallel connector

Table of flue resistance in Pascal

(1 Pascal = 0,01 mbar)

SV - MV / 35 SV - MV 50

Ø 80 mm Ø 100 mm

Straight pipe L. 500 mm 1.18 1.82

Straight pipe L. 1000 mm 2.55 2.3

Straight pipe L. 2000 mm 5.1 4.6

90° pipe bend 4.32 6

45° pipe bend 2.75 3.1

30° pipe bend 1.67 1.7

5° pipe bend 0.69 0.76

Vertical terminal 5.4 3.53

Horizontal terminal 5.5 3.53

Condensation drain 2.06 1.53

1000 mm

2000 mm

This table is based on the equipment offered by ACV and connot be

applied generally.

Sample calculation

The diagram below consists of the

following parts (Ø 80 mm) :

•1x Pipe bend 90°

•2x Straight pipe L 2000 mm

•2x Pipe bend 45°

•2x Straight pipe L 1000 mm

•1x Vertical terminal

•1x Condensation drain vertical

Calculation:

•1x 4,32 = 4,32

•2x5,1 = 10,2

•2x 2,75 = 5,50

•2x 2,55 = 5,10

•1x5,4 = 5,4

•1x 2,06 = 2,06

Total: 32,58 x 2 = 65,16 Pa

This value is less

than the maximum

authorised resistance,

therefore the installation

is compliant.

A condensation drain outlet must be fitted close to the

boiler to prevent condensation products from the

chimney running into the boiler.

Drain

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

HOT WATER CONNECTION

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 drain.

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.

Typical circuit with thermostat valve

1. Safety group

2. Pressure reducing valve

3. Thermostatic mixer

4. Hot water pump

5. Non-return valve

6. Hot water expansion vessel

7. Cold water supply tap

8. Drawoff tap

9. Drain cock

10. Air vent

11. Isolating valve

Fig. 8: Heating system layout

Fig. 9: Hot water system layout

INSTALLATION

8 8

11 8

IMPORTANT

As a safety measure, we strongly advise the

installation of a thermostatic mixer to prevent

any risk of burning to persons.

ACV kit water

ACV can supply an optional

pre-assembled water kit.This

kit comprises:

•Apump;

•A3-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).

Typical single circuit configuration

CONNECTING THE HEATING SYSTEM

1. 3-way motorised mixer valve.

2. Safety valve calibrated to

3 bar, with pressure gauge.

3. Pump.

4. Non-return valve.

5. System filling valve.

6. Expansion vessel.

7. Controller ACV 13.00

(see Controller Kit on page 9)

8. Isolating valve, heating system.

9. Drain cock.

fig. 7 : ACV water kit

INSTALLATION

Optional accessories

CONTROLLER KITS

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 surface-

mounted primary water temperature sensor (-30/130°C), an outdoor

sensor (-30/50°C), a servomotor SQY 31 230 V - 3-pin and an

intermediate socket.

Circuit diagram of ACV control kits

B2. Temperature sensor

B9. Outdoor sensor

B5. Analog/digital room sensor

P1. Pump

Y1/Y2/N. Servomotor (SQK 349)

bl. Blue N

n/z. Black Y2

br. Brown Y1

Safety group Ø 3/4”

Pressure reducing valve Ø 3/4”

Thermostatic mixer Ø 3/4”

Expansion vessel 5 litres

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

bl bk br

SQK 349

QAAD50

(QAAD70) QAC32 QAD22

P1 B5 B9 B3 B2

P1Y1Y2NB5B9B3B2

KIT 2: ACV 13.00 / Standard

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 surface-

mounted primary water temperature sensor (-30/130°C), an outdoor

sensor (-30/50°C), a servomotor SQY 349 230 V - 3-pin and an

intermediate socket.

Please contact your installer for further details about

this.

CONNECTION TO THE GAS SUPPLY

-The Prestige is fitted with a 3/4” M connector, to which you can

connect the gas tap.

-You must comply with the NBN D51-003 standard for connections

to the gas and, if applicable, with the other standards in force in

the location of the connection.

-Where there is a risk of dirt stemming from the network, place a

gas filter upstream from the connection.

-Drain the gas pipe and check in minute detail that all the boiler

pipes, both inside and outside, are sealed.

-Check the gas pressure in the system.

-Check the gas pressure and consumption when commissioning

the appliance.

INSTALLATION

23456789101112

BG 2000-SV

Delta Performance SV

Y/Gr

BBB

Y/Gr

711

ELECTRICAL CONNECTIONS

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.

The boiler must be isolated from the electrical supply

before any work is carried out on it.

Wiring for the SV boiler (Fig. 10)

1. Control thermostat (60/90°C)

2. Thermal reset high limit thermostat (95°C)

3. Manual reset high limit thermostat (103°C max.)

4. Main switch

5. Reset

6. Burner shutdown indicator lamp

7. Summer/Winter switch

8. Power supply to boiler

9. Room thermostat (optional)

10. Heating pump connection

11. Boiler electrical supply connection

(6-pin plug)

12. Burner connection

(7-pin plug)

Wiring for the MV boiler (Fig. 11)

1. Potentiometer (60/90°C)

2. Thermal reset high limit thermostat (95°C)

3. Manual reset high limit thermostat (103°C max.)

4. Main switch

5. Reset

6. Burner shutdown indicator lamp

7. Summer/Winter switch

8. Power supply to boiler

9. Room thermostat (optional)

10. Heating pump connection

11. Boiler electrical supply connection

(6-pin plug)

12. Burner connection

(6-pin plug)

13. Fan connection (PWM and 230 V)

14. NTC sensor

15. Printed circuit board

16. Control/monitoring relay

Key to wiring

B. Blue

Bk. Black

Br. Brown

G. Grey

Gr. Green

Or. Orange

R. Red

W. White

Y. Yellow

Y/Gr. Yellow / Green

Delta performance SV (Fig. 10)

INSTALLATION

S3T2T1NL1

230V-50Hz

1 2 3 4 5 6 7 8 9 10 11 12

PhN

NTC

12345

230 V-50Hz

PWM

1234

RY2

21X4

2AT

Pri 230V - 50/60 Hz

SEC 18V - 2,0 VA

Typ EI 30/15,5

BV 030-7308.OS

+ -

GND

PWM

12 V

HALL

1x6

1x3

1x4

1x5

1x3

1x7

Y/Gr

Or Bk

Y/Gr

BrR

Y/Gr

Br Gr

BG 2000-MV

Delta Performance MV

12 12

1 6 5 7 4

810 9

Start

Min.

Max.

Delta performance SV (Fig. 11)

BURNER CHARACTERISTICS

DESCRIPTION OF THE BURNER

Gas burner ACV BG 2000-SV

ACV BG 2000 air/gas premix burners are equipped with a gas valve,

a venturi and a Honeywell electrical control relay.These items have

been specially developed for low NOx air/gas premix burners with

automatic ignition and flame detection.

Gas burner ACV BG 2000-MV

The ACV BG 2000-MV burner is based on the technology of the ACV

BG 2000-SV burner but offers the benefits of a modulating burner.

The burner's output is constantly adjusted to suit the fluctuating

demand for heat, thus optimising operating efficiency.

BG 2000-SV and MV burners are preset in our factory

for use with natural gas (equivalent to G20).

CONVERSION TO PROPANE: (refer to the conversion instructions)

Prohibited in Belgium.

Conversion kit supplied with the boiler comprises:

- Orifice(s).

- Propane rating plate(s).

- Self-adhesive settings label.

- Conversion instructions.

BURNER BG 2000-SV AND MV

Venturi

Gas valve

Burner reset (also on the control panel)

Control/monitoring relay

Venturi

Female gas connector 3/4”

NIT burner tube

Burner chamber plate sealing cord

Ionisation electrode

Ignition electrode

Burner chamber plate insulation

BURNER CHARACTERISTICS

BURNER BG 2000-SV

BURNER BG 2000-MV

Burner chamber plate

Flame inspection window

Ignition cable

Ionisation cable

Control/monitoring relay

Burner chamber plate

Flame inspection window

Box containing the p.c.b.

Ignition cable

Ionisation cable

PWM connector

Control/monitoring relay

BURNER CHARACTERISTICS

OPERATING PRINCIPLE OF THE BURNER

AIR/GAS mixture control (Fig. 12)

The fan draws air in across the venturi.This creates a vacuum P1 at

the venturi neck. The gas valve regulator now reacts to maintain a

difference equal to the amount of the offset between the pressure at

the gas valve outlet P2 and atmospheric pressure P3:P2 – P3 = off-

set.

If the air flow decreases, P1 rises; the same applies to P2;now

P2>P3;the regulator Rmoves upwards and restores the equilibrium

P2 – offset = P3;pressure P4 falls and valve Cmoves down: the

gas flow decreases.

Whatever the speed of the fan therefore, the Air/Gas ratio is main-

tained equal to 1 to within the amount of the offset.

The difference in pressure between the neck of the venturi and the

outlet from the gas valve now draws gas through the venturi.

The gas flow adjuster screw is used to adjust the amount of gas that

is to be injected for a given air flow, and this will determine the %CO2

in the flue gas. It is now a very simple matter to control the burner's

power by adjusting the fan speed and the %CO2to predefined

settings.

Ignition and flame monitoring

The control and monitoring relay has a dual function: it ignites the

burner by producing sparks at the ignition electrode, and it monitors

the actual presence of a flame when the gas valve is open (it measures

the ionisation current).

Starting sequence: (Fig. 13)

The fan starts up when the boiler thermostat/potentiometer detects

a demand for heat.After a 15 second pre-purge the gas valve opens

simultaneously with the ignition. Provided an ionisation current is

detected inside the first 5 seconds, combustion continues normally

until heat is no longer called for. Otherwise, the gas valve closes and

the fan stops; the burner is now shut down.

If the burner shuts down:

1. The burner indicator lamp lights up on the control panel and on

the burner.

2. Press the burner reset button on the control panel. Turn the

boiler off for several seconds at the main switch, then restart the

the boiler.

Gas tube (Fig. 14)

The air/gas mixture leaving the gas valve/venturi assembly is

propelled into the burner tube.

This tube is covered with metal fibres (NIT). This enhances the

distribution of the flame, increasing its life and significantly reducing

pollutant emissions.

Combustion of the air/gas mixture is also spread uniformly around

the circumference of the tube. The tube is also designed to

withstand propane combustion.

1. Air

2. Gas

3. Venturi

4. Fan

5. Offset adjuster screw

6. Gas flow adjuster screw (CO2)

7. Air/gas mixture

Fig. 12: Air/gas mixture control

Fig. 13: Starting sequence

Fig. 14:The NIT gas tube in operation

1 7

3 4

Ionisation

Thermostat

Fan

Gas valve opens

Ignition

15s

BURNER CHARACTERISTICS

SETTING PARAMETERS

GAS CATEGORIES

TYPE SV/35 SV/50 MV/35 MV/50

Input kW 34.9 50 10 / 34.9 15 / 50

Nominal output kW 32 46.7 9.5 / 32 14.5 / 46.7

Combustion efficiency - natural gas %92.9 93.5 96.4 / 92.9 97 / 93.5

Offset mbar 00-0.4 - 0.4

Starting speed r.p.m. --4000 4000

Min. speed r.p.m. --1370 1400

Max. speed r.p.m. 4600 4400 4600 4400

CO2natural gas %9999

CO2propane %10.3 13.3 10.3 10.3

Gas G20 - 20 mbar - I 2E(S)B - I 2 Er - I 2H - I 2ELL - I 2E

Flow m3/h 3.7 5.3 1.06 / 3.7 1.6 / 5.3

Gas G25 - 20 mbar - I 2ELL / 25 mbar - I 2L

Flow m3/h 4.31 6.15 1.24 / 4.31 1.85 / 6.15

Gas G31 - 30/37/50 mbar - I 3P

Flow m3/h 1.43 2.05 0.41 / 1.43 0.61 / 2.05

Burner chamber pressure mbar 0.2 0.2 0.2 0.2

Net T° of combusted gases °C 140 140 80 / 140 60 / 140

BE FR AT DK ES UK IT PT IE SE NL LU DE

I 2Er X

I 2E(S)B X

I 2H XXXXXXXX

I 3P X X XX XX

I 2L X

I 2ELL X

I 2E X

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

Ce manuel convient aux modèles suivants

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