Fondital BALI RTN Series Guida rapida

BALI RTN

IST 03 C 358 - 01

INSTALLATION, USE

AND MAINTENANCE

Dear Customer,

Thank you for choosing and buying one of our boilers. Please read these instructions carefully in order to install, operate,

and maintain this equipment properly.

This INSTRUCTION BOOKLET is an

integral and essential part of this

product and must be handed to the

user by the installer for safekeeping

and consultation when necessary.

This instruction booklet is to be

handed over with the equipment

should it be sold or transferred.

The boiler must only be used for

the purposes that are expressly

foreseen. Any other use is to be

considered improper and therefore

dangerous.

The installation must be carried out in

compliance with current standards

and following the manufacturer’s

instructions contained in this booklet.

Incorrect installation may result in

harm to people, animals, and/or

property, and the manufacturer

accepts no responsibility for such

damage.

The unit must be installed in a room

that is sufficiently well ventilated,

in compliance with current

standards and laws.

The Manufacturer does not accept

any contractual or extra-contractual

responsibility for any damage caused

due to errors in installation or

operation, or resulting from failure to

follow the instructions below.

Before installing this equipment make

sure that the technical data for the

unit meet the requirements for its

proper use in the plant.

Also check that the equipment is

complete and that it has not been

damaged in transit or during

handling.

Do not install any equipment that is

clearly damaged and/or defective.

Do not obstruct the air intake and/or

heat dissipation grilles.

For all equipment with optional extras

or kits (including electrical ones), only

original accessories must be used.

When installing the equipment do

not throw the packing away. All the

materials can be recycled and must

be taken to specific separated

collection areas.

Keep the packing out of reach of

children, as, by its very nature, it may

constitute a source of danger.

Should the equipment break down

and/or function defectively, switch it

off and do not attempt to repair it

yourself. Call in only qualified

personnel.

Any repairs to this product must be

made using only original spare parts.

Failure to comply with the above may

compromise the safety of the

equipment and expose people,

animals, and property to danger.

The owner is obliged to have

routine maintenance carried out

on the equipment once a year, as

indicated in the programme given

in the relevant section of this

booklet, in order to ensure that it

works efficiently and correctly.

Where the equipment is not to be

used for an extensive period of time,

disconnect it from the electrical

power supply and shut the fuel

stopcock.

Where there is a danger of freezing,

add antifreeze. Draining the system is

not recommended as this may

damage the overall system. For this

purpose use non-freeze products

specifically made for multi-metal

heating equipment.

IMPORTANT

For equipment powered by gas fuel, if

you smell gas in the area, proceed as

follows:

- Do not activate any electric

switches or start any electric

equipment.

- Do not light any flames and do not

smoke.

- Shut the central gas stopcock.

- Open all doors and windows.

- Contact a Service Centre, qualified

installer, or the gas supply

company.

Using naked flames to check for

gas leaks is completely forbidden.

GENERAL NOTES FOR THE USER AND THE INSTALLER

ATTENTION

This unit is built for installation in the destination Country specified on

the technical data plate.

Installation in any country other than that indicated may pose a danger

to people, animals, or property.

CONTENTS

Warnings ............................................................................................................................................................................................... page 2

General notes for the installer, maintenance technician and user............................................................................................................ page 3

1 Instructions for the user..............................................................................................................................................page 5

1.1 Control panel ............................................................................................................................................................................................... page 5

1.2 Operating the boiler...................................................................................................................................................................................... page 6

1.2.1 Switching on ...................................................................................................................................................................................... page 6

1.2.2 Switching off...................................................................................................................................................................................... page 6

1.2.3 Burner cut-out................................................................................................................................................................................... page 6

1.2.4 Cut-Out do to overheating........................................................................................................................................................... page 6

1.2.5 Cut-Out due to incorrect draught on the flue....................................................................................................................... page 7

1.2.6 Cut-Out due to insufficient gas pressure (RTN 70/RTN 100)............................................................................................ page 7

1.3 Maintenance ............................................................................................................................................................................................... page 7

1.4 Notes for the User .......................................................................................................................................................................................... page 7

2 Technical characteristics and dimensions .................................................................................................................page 8

2.1 Technical characteristics .............................................................................................................................................................................. page 8

2.2 Dimensions ............................................................................................................................................................................................... page 9

2.3 Technical data ............................................................................................................................................................................................... page 10

3 Instructions for the Installer .......................................................................................................................................page 12

3.1 Installation standards ................................................................................................................................................................................... page 12

3.2 Installation ............................................................................................................................................................................................... page 12

3.2.1 Packaging............................................................................................................................................................................................ page 12

3.2.2 Choosing where to install the boiler......................................................................................................................................... page 12

3.2.3 Installing the boiler ......................................................................................................................................................................... page 12

3.2.4 Ventilation of boiler rooms........................................................................................................................................................... page 12

3.2.5 Flue gas system ................................................................................................................................................................................ page 12

3.2.6 On-site measurement of combustion efficiency.................................................................................................................. page 12

3.2.7 Connecting to the gas mains....................................................................................................................................................... page 13

3.2.8 Connecting to the electrical mains ........................................................................................................................................... page 13

3.2.9 Plumbing connections................................................................................................................................................................... page 13

3.2.10 Installation of original kits.......................................................................................................................................................... page 13

3.3 Preliminary checks...................................................................................................................................................................................... page 13

3.4 Starting the boiler ...................................................................................................................................................................................... page 14

3.4.1 Preliminary checks........................................................................................................................................................................... page 14

3.4.2 Starting up and switching off...................................................................................................................................................... page 14

3.5 Wiring diagrams.......................................................................................................................................................................................... page 14

3.5.1 General layout ................................................................................................................................................................................... page 15

3.5.2 Topographycal diagrams............................................................................................................................................................... page 17

3.6 Gas Conversions.......................................................................................................................................................................................... page 19

3.6.1 Conversion from natural gas to LPG. ........................................................................................................................................ page 19

3.6.2 Conversion from LPG to natural gas ......................................................................................................................................... page 19

4 Maintenance .........................................................................................................................................................page 19

Main lit switch (green) (1)

When the switch is in the 0 position

the boiler is switched off and the

switch is not lit.

When the switch is in the I position

the boiler is switched on and the

switch is lit.

Reset button (2)

When the reset button is pressed the

boiler is restarted.

Temperature adjustment for the

heating water (3)

This knob is used to set the

temperature for the water in the

heating system. It can be set between

a minimum of 45°C and a maximum

of 85°C.

Heating function LED (yellow) (4)

This LED indicates that the system is

calling for heating.

Overheating cut-out LED (red) (5)

This light indicates that the cut-out

connected to the safety thermostat

has tripped due to malfunctioning. It

must be reset manually.

Cut-out LED (red) (6)

(On all models) This light indicates

that the flue gas safety device has

tripped due to a lack of draught on

the flue (albeit only temporary) or low

gas supply pressure (for models RTN

70 to RTN 100). It must be reset

manually.

Burner cut-out LED (red, only “E”

models) (7)

This light indicates that the burner

safety device has tripped due to a

malfunction.

Burner operation LED (yellow) (8)

This light indicates that the burner is

operating.

Thermometer or pressure gauge

(9)

The thermometer’s function is to

indicate the temperature of the water

in the boiler, while the thermometer /

pressure gauge is used to indicate the

pressure as well.

Safety thermostat manual reset

(10)

The safety thermostat is used to

protect the boiler in case of a fault.

The thermostat reset button can be

accessed by removing the protective

cover.

1. INSTRUCTIONS FOR THE USER

1.1 CONTROL PANEL

1. General switch with line light (green)

2. Reset button

3. Temperature adjustment for the

heating water

4. Heating pump operation light

(yellow)

5. Overheating cut-out LED (red)

6. LED to indicate cut-out due to no

draught on the flue or low gas

pressure (low gas pressure for models

RTN 70 to 100)

7. Burner cut-out LED (only “E” models)

8. Burner operation LED (yellow)

9. Water thermometer (models RTN 18

to RTN 48) or thermometer/pressure

gauge (for models RTN 60 to RTN 100

and all PV models)

10. Safety thermostat manual reset

fig. 1

1.2 Operating the boiler (fig. 1)

1.2.1 Switching on

For “E” models:

*Open the fuel stopcock.

* Switch the boiler’s main switch 1to the

ON position (the switch lights up).

• Turn the heating water temperature

adjustment knob 3to set the temperature

required for the heating system.

• Set the ambient temperature using the

ambient thermostat (if there is one).

• When the heating system calls for heat

the heating request light 4comes on.

• When the burner is operating, the

burner operation light 8comes on.

For models with a thermoelectric

valve:

• Open the fuel stopcock.

• Make sure that the main switch is in the

OFF position (the switch is not lit up).

• Remove the front panel on the boiler.

This allows access to the gas valve and

the piezoelectric device and the pilot

burner can be switched on.

• Turn the cover over the pilot burner so

that it can be seen through the relevant

hole.

• Pushing the gas valve knob gently,

rotate it anti-clockwise from the • (off )

position to the (pilot) position.

• Hold the knob down and push the piezo

until the pilot burner is burning.

• Hold the knob down for about 20

seconds.

• After releasing the knob turn it

anticlockwise to the (main burner)

position.

• Put the cover plate for the pilot burner

back in its original position.

• Replace the front panel on the boiler.

• Switch the boiler’s main switch 1to the

ON position (the switch lights up).

• Turn the heating water temperature

adjustment knob 3to set the temperature

required for the heating system.

• Set the ambient temperature using the

ambient thermostat (if there is one).

• When the heating system calls for heat

the heating request light 4 comes on.

• When the burner is operating, the

burner operation light 8comes on.

Please Note: When igniting the burner

after the boiler has been out of use for a

long period of time, especially in the case

of LPG boilers, there may be airlocks in

the pipes.

The boiler’s burner may cut-out a few

times. Restart the burner using the reset

button (see the following paragraphs).

1.2.2 Switching off

For “E” models:

Set the main switch on the OFF position

(the switch is not lit up). If necessary, shut

the fuel stopcock.

For models with a thermoelectric valve

On these models, when the main switch

is on the OFF position (switch not lit up)

the main burner is extinguished but the

pilot burner stays alight.

If you wish to extinguish the pilot burner

as well, after setting the main switch to

the OFF position, remove the boiler’s

front panel and turn the gas valve knob

to the • (off ) position by turning it

clockwise.

1.2.3 Burner cut-out

When any functioning faults arise the

boiler’s burner cuts out automatically.

On “E” models the cut-out light 7comes

on. Should this happen, proceed as

follows:

• First check the fuel supply, make sure

that the gas stopcock is open and that

the gas mains have gas in them by

lighting a cooking ring in the kitchen, for

example.

• Having checked the fuel supply, reset

the burner by pushing the reset button 2

on the control panel.

Models with a thermoelectric valve do

not have any cut-out indication light.

The boiler must be re-ignited as per

instructions given in paragraph 1.2.1 and

this can only be done 60 seconds after it

has gone out (automatic safety device).

If the equipment does not restart and

cuts out again, after trying three times

contact a Service Centre or qualified

personnel to carry out maintenance.

If the burner cuts out frequently this is a

sign that there is an ongoing operating

fault.

Contact qualified personnel or a Service

Centre for maintenance.

1.2.4 Cut-out do to overheating

Should the red cut-out light 5indicating

overheating come on, this means that the

safety thermostat cut-out has tripped

and must be reset manually. This is due to

an operating fault and a Service Centre or

qualified personnel must be contacted

for maintenance.

1.2.5 Cut-out due to incorrect draught

in the flue

Should conditions arise that lead to a

faulty draught in the flue, the boiler cuts

out and red light 6comes on.

To restart the boiler proceed as follows:

• Switch the boiler’s main switch 1to the

0position (the boiler is switched off and

the switch is not lit up).

• Remove the front panel on the boiler.

• Push the button on the thermostat that

checks proper evacuation of flue gas (fig.

2).

• Replace the front panel on the boiler.

• Switch the boiler’s main switch 1 to the

Iposition (the boiler is switched on and

the switch is lit up).

WARNING

If after resetting the boiler does not

start working properly again and cuts

out again, contact qualified personnel

or a Service Centre for maintenance.

1.2.6 Cut-out due to insufficient gas

pressure (on models RTN 70 to RTN

100)

Should the gas supply pressure be

insufficient, the boiler does not start up

and red light 6lights up.

If the unit remains in this state for any

length of time, contact the gas supply

company.

1.3 Maintenance

The user is obliged to have routine

maintenance done on the boiler and the

burner once a year.

Correct maintenance of the boiler allows

it to work under the best conditions,

protects the environment, and makes the

equipment fully safe for people, animals,

or property.

The boiler must be maintained only by

qualified personnel.

The user may only clean the casing on

the boiler, and this must be done using

products for cleaning furniture.

Do not use water!

1.4 Notes for the user

The user is not authorised to remove

the casing of the boiler and to work on

parts inside.

NOBODY, INCLUDING QUALIFIED

PERSONNEL, IS AUTHORISED TO

MODIFY THE BOILER.

Qualified personnel may install specific

original kits on the boiler.

The Manufacturer accepts no

responsibility for damage to people,

animals, or property that may arise due to

tampering or incorrect work done on the

boiler.

The heating system can be effectively

protected against freezing by using

specific anti-freeze products that are

suitable for multi-metal systems.

Do not use anti-freeze products for car

engines, and check the effectiveness

of the product over the time.

This boiler is fitted with a thermometer to

allow you to check the water temperature.

fig. 2

2.1 Technical characteristics

These boilers are fitted with a high

performance heat exchanger that works

with gas burners at atmospheric pressure.

The following models are available:

RTN E 18 and RTN 18 with a heat output

of 18 kW.

RTN E 24 and RTN 24 with a heat output

of 24 kW.

RTN E 32 and RTN 32 with a heat output

of 31,5 kW.

RTN E 36 and RTN 36 with a heat output

of 36 kW.

RTN E 48 and RTN 48 with a heat output

of 48 kW.

RTN E 60 with a heat output of 60 kW.

RTN E 70 with a heat output of 70 kW.

RTN E 80 with a heat output of 80 kW.

RTN E 90 with a heat output of 90 kW.

RTN E 100 with a heat output of 100 kW

RTN 18 to RTN 36 and RTN E 18 to RTN E

36 models can be supplied in a PV version,

which means that they have a circulation

pump and an 8 lit. expansion vessel.

RTN E boilers are equipped with an

electronic card for checking the flame and

have an electronic ignition (which is

indicated by the addition of the letter Ein

the model name).

The models from RTN 18 to RTN 48 are

fitted with a thermoelectric valve and a

piezoelectric ignition unit.

These boilers meet the essential

requirements laid down in EEC Directives

for this product and

- Gas Directive 90/396/EEC dated 29th

June 1990,

- Performance Directive 92/42/EEC dated

21st May 1992.

- EMC Directive 89/336/EEC dated 3rd

May 1989, as amended by Directive 92/31/

EEC dated 28th April 1992,

- European Community Low Voltage

Directive 73/23/EEC dated 19th February

1973, as amended by Directive 93/68/EEC

dated 22nd July 1993

and they are fitted with all the safety

devices called for in the current standards

for this type of product.

The main technical characteristics of the

boilers are listed below:

• High-performance cast-iron heat

exchanger.

• Insulation in glass wool with thick

aluminized paper (50 mm).

• Casing in electrically galvanised steel

plating, epoxy-polyester powder coated.

• Lit main switch.

• LED indications for: power on, heating

pump operation, burner operation,

overheating cut-out, cut-out due to lack

of draught in the flue or low gas pressure

(low gas pressure only RTN 70 to RTN 100

models) and burner cut-out (only “E”

models).

• Heating temperature selector (45/85°C).

• Safety limit thermostat (110°C).

• Flue gas safety thermostat.

• Minimum gas supply pressure switch

(models RTN 70 to RTN 100).

• Thermometer or thermometer/pressure

gauge (for models RTN 60 to RTN 100 and

all PV models).

• System drain cock.

• Electrical system with printed electric

circuit.

• Provision for the electrical connection of

a heating pump.

• Can take a safety pressure switch to

guard against insufficient water.

• Provision for the connection of a card for

managing a remote water cylinder

(optional kit).

• Provision for the connection of a climatic

unit (optional kit).

• Provision for the connection of a card for

managing three heating areas (optional

kit).

• 8-lit. expansion vessel (for PV models).

• Single-speed circulation unit (for PV

models).

2. TECHNICAL CHARACTERISTICS AND DIMENSIONS

2.2 Dimensions

NOTA: In PV models, equipped with circulation pump and expansion vessel, R and M connections are Ø G3/4

fig. 3

fig. 4

MODEL L (mm) Flow M Return R Gas G Flue gas duct D

(mm)

RTN / RTN E 18 525 G1” 1/2 G1” 1/2 G 3/4” 110

RTN / RTN E 24 525 G1” 1/2 G1” 1/2 G 3/4” 130

RTN / RTN E 32 - RTN / RTN E 36 625 G1” 1/2 G1” 1/2 G 3/4” 130

RTN / RTN E 48 765 G1” 1/2 G1” 1/2 G 3/4” 150

MODEL L (mm) Flow M Return R Gas G Flue gas duct D

(mm)

RTN E 60 905 G1” 1/2 G1” 1/2 G1” 180

RTN E 70 1052 G1” 1/2 G1” 1/2 G1” 180

RTN E 80 1153 G1” 1/2 G1” 1/2 G1” 200

RTN E 90 1280 G1” 1/2 G1” 1/2 G1” 220

RTN E 100 1430 G1” 1/2 G1” 1/2 G1” 250

2.3 Technical Data

MODELS

RTN / RTN E

EC Efficiency class ★★ ★★ ★★ ★★ ★★

EC PIN 49BN3789

Category II2H3+

Type B11BS

Heat output kW 18.0 24.0 31.5 36.0 48.0

Heat input kW 20.0 26.6 34.4 39.2 52.8

Performance at nominal load % 89.6 90.9 90.9 90.83 91.84

Performance at reduced load (30%) % 89.2 91.1 89.0 90.75 90.4

Maintenance losses ΔT=50°C % 3.6 2.8 3.1 1.57 1.76

Flue losses with burner off % 0.2

Flue losses with burner on % 6.8 6.3 6.0 7.6 6.4

N° of elements of the heat exchanger -33445

Net weight Kg 105 105 138 138 173

Water content l 10.0 10.0 13.4 13.4 16.8

Minimum water flow l/h 400 520 680 770 1030

Flue gas duct diameter mm 110 130 130 130 150

Maximum operating pressure bar 4

Working temperature °C 45 - 85

Electrical power supply V-Hz 230/50

Electrical power W 10

Fuse on power supply A 4

Natural gas G20

CO2 value % 5.8 5.5 6.4 6.5 7.0

Flue gas temperature °C 110/120 110/120 120/130 120/130 120/130

Flue gas mass flow Kg/h 42 56 63 70 88

Number of main burner nozzles - 3

Diameter of main burner nozzles mm 2.2 2.5 3.0 3.0 3.1

Diameter of pilot nozzle mm 2 x 0.27

Gas pressure at burner mbar 9.5 11.0 9.5 12.0 12.5

Burner supply pressure mbar 20

Gas flow rate (15°C / 1013 mbar) Stm3/h 2.11 2.81 3.64 4.15 5.58

Gas G30

CO2 value % 6.3 6.9 8.2 8.7 8.7

Flue gas temperature °C 110/120 110/120 120/130 120/130 120/130

Flue gas mass flow Kg/h 40 53 60 64 80

Number of main burner nozzles - 3

Diameter of main burner nozzles mm 1.25 1.50 1.70 1.80 2.05

Diameter of pilot nozzle mm 1 x 0.22

Gas pressure at burner mbar 29

Burner supply pressure mbar 26 26 25.5 26.0 26.0

Gas flow rate (15°C / 1013 mbar) Kg/h 1.6 2.1 2.7 3.1 4.2

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