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

excellence in hot water

delta

performance

performance

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

16/12/2004 - 664Y0001

EN

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

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EN • 5

INTRODUCTION

Detachable casing cover (access to baffles)

Heating out

Domestic hot water outlet

Flue ways

Baffles

Heating return

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.

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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