Ferroli Domitop HF 24-30 E Bedienungsanleitung

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Wall-Mounting Gas

Boiler

Airtight Chamber,

Heating

TECHNICAL

MANUAL



EDITION

09ï2002

Supplied by HeatingSpares247.com

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

1. Technical characteristics and data ....................................................... 3

1.1 Introduction ............................................................................................................. 3

1.2 Dimensions and connections .................................................................................. 4

1.3 General view and main components ....................................................................... 8

1.4 Technical data table .............................................................................................. 10

2. Product framework and internal components..................................... 11

2.1 H draulic circuit - heating ...................................................................................... 11

2.2 H draulic circuit - tap water via external boiler...................................................... 15

2.3 Gas circuit ............................................................................................................. 17

2.4 Burner unit............................................................................................................. 21

2.5 Fume circuit........................................................................................................... 23

2.6 Electrical circuit ..................................................................................................... 27

3. Operation ............................................................................................ 30

3.1 Operating principle ................................................................................................ 30

3.2 Operating diagram ................................................................................................ 31

3.3 Control panel ......................................................................................................... 32

3.4 Adjustments ........................................................................................................... 32

3.5 Operating parameter adjustment .......................................................................... 33

4. Troubleshooting ................................................................................. 34

Supplied by HeatingSpares247.com

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

1. TECHNICAL CHARACTERISTICS AND DATA

1.1 Introduction

Our appliance is a high-efficiency heat generator for central heating running on natural gas or LPG

(configurable at the time of installation).

The boiler shell consists of a copper laminar exchanger whose particular shape guarantees high

exchange efficiency under all operating conditions and an open-flue burner e uipped with electronic

ignition and ionization flame control.

The boiler is totally sealed off from the installation room: the air needed for combustion is drawn from

outside and the flue gases are expelled by a fan. The boiler outfit moreover includes a variable speed

circulator, expansion tank, safety valve, filler cock, air pressure switch, water pressure switch,

temperature sensor and a safety thermostat.

Thanks to the control and adjustment system, unit operation is for the most part automatic. The power

for heating is automatically governed by the control system according to the indoor characteristics, the

characteristics of the building and of its location.

There are 5 LEDs on the control panel providing information on the units operating status.

General arnings

 Installation and maintenance must be carried out by professionally ualified personnel, according

to current regulations and the manufacturers instructions.

 Incorrect installation or poor maintenance can cause damage or physical injury. The manufacturer

declines any responsibility for damage caused by errors in installation and use or by failure to

follow the manufacturers instructions given in the instructions manual..

 Before carrying out any cleaning or maintenance operation, disconnect the unit from the electrical

power supply using the switch and/or the special cut-off devices.

Certification

The CE marking demonstrates that Ferroli gas units conform to the re uirements contained in the

applicable European directives.

In particular, this unit complies with the following EU directives:

 Gas Appliance Directive 90/396 assimilated with Italian Presidential Decree DPR 15.11.96 no.

661

 Efficiency Directive 92/42 assimilated with Italian Presidential Decree DPR 15.11.96 no. 660

 Low Voltage Directive 73/23 (amended by 93/68)

 Electromagnetic Compatibility Directive 89/336 (amended by 93/68) assimilated with Italian

Presidential Decree DPR 15.11.96 no. 615

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DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

1.2 Dimensions and connections

Domitop HF 24 E version

760

15536 155

460

160100 25 150 25

8480 80

12070 120 150

110

272

249

100

725

114

321 4

Key

1System delivery

2Gas inlet

3System return

4System filler inlet

Top view

Bottom view

CONNECTIONS AXIS

Supplied by HeatingSpares247.com

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

Ferella Gold HF 24 MEL version

Top view

Bottom view

123

135

1602515025100

271

705

15536 155 114

762

70 120 120 150

460

110

271

80 80

Top view

1System delivery

2Gas inlet

3System return

4System filler inlet

Supplied by HeatingSpares247.com

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

Domitop HF 30 E version

Top view

Bottom view

Key

1System delivery

2Gas inlet

3System return

4System filler inlet

123

155

363

460

692

15 430 15

Ø80 Ø80 Ø80

760

120 120

36 215 54

110

202

110

189

175

Supplied by HeatingSpares247.com

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

Ferella Gold HF 30 MEL version

Top view

Bottom view

12 3

13 5

80 80 80

1543015

362

692

36 155 215 54

189

175

760

110 110120120

200

362

460

Key

1System delivery

2Gas inlet

3System return

4System filler inlet

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DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

Key

5 Airtight chamber

7Inlet

10 System delivery

11 System return

14 Safety valve

16 Fan

19 ombustion chamber

20 Burner assembly

21 Main nozzle

22 Burner

26 ombustion chamber insulation

27 opper exchanger

28 Fume manifold

29 Fume outlet manifold

32 Heating circulator

34 Heating temp. sensor

36 Automatic air vent

43 Air pressure switch

44 Gas valve

49 Safety thermostat

50 Heating thermostat

56 Expansion tank

63 Heating temperature adjustment

74 Heating system cock

81 Ignition electrode

82 Detection electrode

84 1st gas valve operator

85 2nd gas valve operator

98 Off-On-Reset switch

114 Water pressure switch

145 Water gauge

187 Fume diaphragm

1.3 General view and main components

HF 24 E MEL version

RESET

OFF

234

bar

98 63 145

117 4485841410

114

22 82 81

29 187 43

°C

DOMITOP - FERELLA GOLD version

Supplied by HeatingSpares247.com

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

HF 30 E MEL version

RESET

OFF

234

bar

°C

29 187

22 82

10 14 784 114485

114

98 63 145

DOMITOP - FERELLA GOLD version

Key

5 Airtight chamber

7Inlet

10 System delivery

11 System return

14 Safety valve

16 Fan

19 ombustion chamber

20 Burner assembly

21 Main nozzle

22 Burner

26 ombustion chamber insulation

27 opper exchanger

28 Fume manifold

29 Fume outlet manifold

32 Heating circulator

34 Heating temp. sensor

36 Automatic air vent

43 Air pressure switch

44 Gas valve

49 Safety thermostat

50 Heating thermostat

56 Expansion tank

63 Heating temperature adjustment

74 Heating system cock

81 Ignition electrode

82 Detection electrode

84 1st gas valve operator

85 2nd gas valve operator

98 Off-On-Reset switch

114 Water pressure switch

145 Water gauge

187 Fume diaphragm

Supplied by HeatingSpares247.com

DOMITOP HF 24 - 30 E

FERELLA GOLD HF 24 - 30 MEL

Version - 09.2002

1.4 Technical data table

Gas supply Pmax Pmin

Heating Power (Net Heat Value - Hi)

Heating Power (Gross Heat Value - Hi)

seful heating power 80°C - 60°C

Powers Pmax Pmin

kcal/h 20,000 8,300

kW 23.3 9.7

kcal/h 24,700 10,700

kW 28.7 12.4

kcal/h 22,200 9,900

kW 25.8 11.2

Dimensions, weights connections

Depth mm 272

Width mm 460

Height mm 760

Boiler water content litres 1.5

Expansion tank pre-filling pressure bar 1

Expansion tank capacity litres 8

Minimum working pressure in heating bar 0.8

Maximum working pressure in heating bar 3

Maximum working temperature in heating °C 90

Electrical protection rating IP 44

Electrical power supply

Power voltage/frequency V/Hz 220/50

Max electrical power absorbed W 125

Heating system connection 3/4

Filling system connection 1/2

Gas system connection inches 1/2

Weight with packing kg 35

Heating

Natural Gas delivery (G20) nm3/h 2.73 1.19

Natural Gas main nozzles (G20) mm 12 x 1.30

Pressure at Natural Gas burner (G20) mbar 11.8 2.5

Natural Gas supply pressure (G20) mbar 20.0

LPG burner (G31) Kg/h 2.00 0.87

LPG main nozzles (G31) mm 12 x 0.77

Pressure at LPG burner (G31) mbar 36.0 7.0

LPG supply pressure (G31) mbar 37.0

Safety valve bar 3

Pmax Pmin

25,800 10,900

30.0 12.7

31,600 13,800

36.8 16.1

28,500 12,500

33.1 14.5

363

460

760

1.7

0.8

220/50

125

3/4

1/2

3.50 1.53

16 x 1.25

11.8 2.5

20.0

2.57 1.13

16 x 0.75

35.5 7.0

37.0

Pmax Pmin

DOMITOP - FE ELLA GOLD 24 KW 30 KW

inches

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