Ferroli GNI Manuale utente

Supplied By www.heating spares.co Tel. 0161 620 6677

GN1

CAST IRON HIGH EFFICIENCY SECTIONAL BOILER,

FOR GAS/OIL FUELS

Supplied By www.heating spares.co Tel. 0161 620 6677

Index

1. Technical informations

2. Dimensions and technical data

3. Packing and shipping details

4. Installation

5. Testing

6. Service

7. Boiler components

8. Option

Supplied By www.heating spares.co Tel. 0161 620 6677

Fig. 1

1. Technical informations

1.01 Introduction

GN1 boiler is a new heating generator with high efficiency, for central heating system as well sanitary hot

water production suitable for burners using oil or gas.

Theboilerbodyisbuiltbycastironsectionsjoinedtogheterbymeanofbiconicalnipplesandtierods.Sections

finsareespeciallydevelopedtoachievethebestefficiencyoftheboilerinordertosaveonfuelconsumption.

The boiler body insulation is provided by mineral high density fibers that minimizes the body heat lost.

Key

1 Timer sochet

2 Thermomanometer

3Security thermostat manual resetting

4Main switch

5 Control thermostat

1.02 Control and securities devices operation

Regulating thermostat, manual resetting 3 (fig. 1)

It operates when the boiler temperature, during the heating mode reach such a level that can use a danger

situation. Before resetting this thermostat ask for Qualified Serviceman to inspect the appliance.

Central thermostat 5 (fig. 1)

It allows to control the boiler temperature by mean of its knobs.

This thermostat controls the burner.

Room thermostat (not supplied)

This device is not supplied, but can be fitted by installer, it is connected in series to the control thermostat

anditmanagesboththeburnerandthecirculatingpumpduringtheheatingmode.Theuseofsuchappliance

is advised to get a better comfort as well on energy saving.

Supplied By www.heating spares.co Tel. 0161 620 6677

Fig. 2

2. Dimensions and technical data

2.01 Dimensions and technical data (fig. 2 - tab. 1)

Key

a1 Flow 11/2"

a2 Return 11/2"

a3 Boiler drain 11/2"

N.B.: - Max. water temperature for the heating system is 90°C. - Min. water temperature for the heating

system is 45°C.

1/2''

1 1/2''

400

850

14 5

542

1 1/2''

274

711

Water

load losses

Model

Heat and

D.H.W.

(gross)

gas

Max.

28,6

57,3

71,6

86,1

100,4

114,7

Heat and

D.H.W.

output

Max.

23,3

34,9

46,5

58,1

69,8

81,4

93,0

Heat and

D.H.W.

(net)

gas+oil

Max.

25,8

38,7

51,6

64,5

77,5

90,4

103,3

Heat and

D.H.W.

(gross)

gas

Min.

18,2

39,3

49,1

59,1

68,8

78,6

Heat and

D.H.W.

(net)

gas+oil

Min.

16,4

35,4

44,2

53,2

62,0

70,8

Heat and

D.H.W.

output

Min.

15,0

32,5

40,5

48,8

57,0

65,0

N°

element

Water

capacity

Combustion

chamber

lenght

286

386

486

586

686

786

886

Combustion

chamber

dimension

Ømm

260x310

Model

GN1 02

GN1 03

GN1 04

GN1 05

GN1 06

GN1 07

GN1 08

GN1 02

GN1 03

GN1 04

GN1 05

GN1 06

GN1 07

GN1 08

Working

pressure

bar

300

400

500

600

700

800

900

105

125

130

180

Combustion

chamber

load loss

∆p mbar

0,2

Combustion

chamber

volume

12,09

20,15

28,21

36,27

52,39

60,45

68,51

∆t 10

1,8

4,2

7,2

∆t20

1,6

2,3

3,3

4,5

Weight

of unit

kg.

100

125

150

175

200

225

Supplied By www.heating spares.co Tel. 0161 620 6677

2.02 Pressure drop (fig. 3)

Pressure drops according to the boiler size are specified on the following diagram and refer to temperature

difference between flow and return comprises between 10 and 20°C.

Fig. 3

3. Packing and shipment

Boiler is delivered complete assembled in a wood crate.

Fig. 4

Supplied By www.heating spares.co Tel. 0161 620 6677

Electrical diagram

230V

50Hz

230V

50Hz

12124657 11109

MAIN SWITCHIL =

CONNECTION AUXILIARYCA =

BOILER THERMOSTATTR =

SAFETY THERMOSTATTS =

BURNERB =

CIRCULATING PUMPC =

AVAILABLE CLAMPS11-12 =

REMOVE THE LINE IF ROOM

THERMOSTAT IS FITTED

4. Installation

It is law that all gas appliances are installed by Competent Persons, in accordance with the regulations.

Failureto installappliances correctlylead toprosecution, itis yourown interest,and thatof safety,to ensure

thatthelawiscopliedwith.ManufacturersinstructionsmustNOTbetakeninanywayasover-ridingstatutory

obligations, special care must be paid to conform with law and regulation concerning building and location

of the chimney.

4.01 Electrical connection

Proceed to wire pump, burner and optional room thermostat. According to the wiring diagrams (fig.5) and to

thedirectionsattachedtothecables.Itisrecommendedtoinstallatwo-poleswitchbetweenthepowersupply

and the boiler. The switch contacts must have a clearance of at least 3 mm and fuses of 5 A max must be

provided.

N.B. - Appliance must be earthed.

It is recommended to connect the boiler to a good electric earth system.

FERROLI could not be considered responsable for any kind of damage to Persons or things caused

by failure of earthing the system.

Fig. 5

Supplied By www.heating spares.co Tel. 0161 620 6677

4.02 Hydraulic connections

Boiler must be connected to the system according to boiler back part indications and those provided at fig.

2.Pipemustbefree ofanykindofstrainand securityvalvesmustbeprovidedin both centralheatingsystem

and domestic hot water system location of such security valves be as close is possible to the boiler and

between the boiler and valve no obstructions or gate valves must be placed.

Theboiler is not supplied withexpansion tankit hasto be providedduring theboiler installation.It is advised

thatthe pressure in the hydraulicsystem hasto bebetween 0,5 and1 barmeasured incold water condition.

4.03 Connection to the chimney

It is recommended to connect the boiler to a good working chimney built according to the regulations. The

connection between boiler and chimney must be done by using suitable material proof against high

temperature and corrosion. Where flue sections have to be connected it is advised pay attention to avoid

leaking and provided good insulation through all the flue length to avoid condensing problem.

5. Testing

5.01 Before the first light of the boiler

Before the first light of the boiler follow these check list:

a)check the system is filled with water at the right pressure;

b)check against any leakage of water fuel;

c)check that the correct electric power is supplied to the unit;

d)check size and perfect flue installation;

e)check against any type of flammable materials where the boiler is installed;

f) check the burner has the right heat input according to the boiler size;

g)control that the water valves are open.

5.02 First lighting

After the boiler preliminaries checking , the appliance can be lights in the following way;

1) Open the fuel gate valve.

2) Set the regulating thermostat at the required temperature level.

3) Give electric power to the boiler and switch on the main switch 4 (fig. 1) on the boiler control panel.

After above operations the burner will start to run and the boiler will begin to work.

5.03 After the first lighting

After the first lighting it is advisable check:

burner works properly, this checking must be done by appropriate instruments.

Thermostats operate correctly.

Water flows through the system.

Smoke gases evacuate through the flue duct.

Supplied By www.heating spares.co Tel. 0161 620 6677

5.04 Switch off

To turn off the unit for a short period it is enough to switch off the switch 4 (fig. 1) on the control panel.

If the boiler has to be stopped for long period beside to act by the switch 4, it is necessary to cut the supply

of fuel by mean of the gate valve, in winter season, to avoid damages due to the frost it is necessary to add

the antifrost liquid in the system or to drain it completely.

6. Service

The after sale service must be carried out only Qualified Plumbers. It is advise to service the boiler at least

once a year, before the winter season. Check must include the boiler cleaning, the perfect operation of the

controls and the burner.

Furthermore the flue duct conditions have to be inspected.

6.01 Boiler cleaning

Cut out electric power.

The front panels 1, 2, 3 (fig. 6).

Clean the boiler internal parts.

Check the flue duct and if necessary clean it.

The burner service must be done according the Manufacture Instructions.

Tube Brush

Fig. 6

Supplied By www.heating spares.co Tel. 0161 620 6677

7. Boiler parts

POS. CODE DESCRIPTION

133004920 FRONT SECTION

233004710 REAR SECTION

333004720 MIDDLE SECTION

434204000 BICONICAL NIPPLE

534400010 THE ROD M10x140

534403010 THE ROD M10x245

534400910 THE ROD M10x340

534400920 THE ROD M10x440

534400930 THE ROD M10x540

534403170 THE ROD M10x630

534403180 THE ROD M10x740

633100600 REAR INSULATION D140

633100610 REAR INSULATION D180

733202060 BURNER DOOR

733202080 BURNER DOOR

833202100 SPY HOLE COVER

933202120 UPPER DOOR

10 33400720 PROBES POCKET

11 34000610 PLUG

12 34000640 FASTENING PIN

13 34010220 STUD

14 36401780 PLASTIC PLUG

15 35000390 TUBE BRUSH

16 35003370 MULTIFUNCTIONAL CONTROL

SISTEM (not supplied)

17 35002420 KNOB

18 35316550 ISOLATION PANEL

19 35316340 ISOLATION PANEL

20 36400790 THERMOHYDROMETER

21 36401450 SECURITY THERMOSTAT

22 36401210 BOILER THERMOSTAT

26 36901140 NO RETURN VALVE

27 37025600 FRONT PANEL

28 37025610 RIGHT PANEL FOR GN1 02

28 37025620 RIGHT PANEL FOR GN1 03

28 37025630 RIGHT PANEL FOR GN1 04

28 37025640 RIGHT PANEL FOR GN1 05

28 37025650 RIGHT PANEL FOR GN1 06

28 37025660 RIGHT PANEL FOR GN1 07

28 37025670 RIGHT PANEL FOR GN1 08

29 37025680 LEFT PANEL FOR GN1 02

29 37025690 LEFT PANEL FOR GN1 03

29 37025700 LEFT PANEL FOR GN1 04

29 37025710 LEFT PANEL FOR GN1 05

29 37025720 LEFT PANEL FOR GN1 06

29 37025730 LEFT PANEL FOR GN1 07

29 37025740 LEFT PANEL FOR GN1 08

30 37025750 COVER FOR GN1 02

30 37025760 COVER FOR GN1 03

30 37025770 COVER FOR GN1 04

30 37025780 COVER FOR GN1 05

30 37025790 COVER FOR GN1 06

30 37025800 COVER FOR GN1 07

30 37025810 COVER FOR GN1 08

31 38508420 COMPLET CONTROL PANEL

32 31000210 SPRING

33 31000260 PLATE SPRING

34 31132520 REAR PANEL FOR GN1 02-03

34 31132540 REAR PANEL FOR GN1 04-08

35 31205870 CLAMP

37 35005150 BARE CONTROL PANEL

38 36100290 SWITCH

39 32910840 WIRING BOX

40 32910760 WIRING BOX COVER

41 35002880 PLASTIC PLUG

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