GN4 N> > > Heating division

CONTROL BOARD

DIMENSIONS (mm)

C

KEYA1 Central heating flow

outlet DN80 - 3”A2 Central heating return

inlet DN80 - 3”B1 Central heating flow

outlet DN80 - 3” (Low temperature)

B2 Central heating return inlet DN80 - 3” (Low temperature)

GN4 N 07 08 09 10 11 12 13 14

Heat output maxmin

kWkW

200120

250150

300180

360215

420250

480290

560330

650390

Heat input maxmin

kWkW

217128

270160

324192

388229

452266

516309

600352

695416

EfficiencyPmax30% load

%%

92,295,4

92,696,0

92,696,5

92,897,1

92,997,1

93,097,2

93,397,3

93,597,3

Sections n. 7 8 9 10 11 12 13 14

Water content dm3 143 163 183 203 223 243 263 283

Combustion chamber lengthdiametervolume

mmmmdm3

880500

161,3

1010500

185,1

1140500

208,9

1270500

232,8

1400500

256,6

1530500

280,4

1660500

304,3

1790500

328,1

Operating pressure bar 6 6 6 6 6 6 6 6

AC

mmØ

1040180

1170180

1300250

1430250

1560250

1690250

1820250

1950250

Pressure drop / Combustion chamberPressure drop / Hydraulic

Δp mbarΔp20°-mbar

0,520

0,830

0,742

1,054

1,465

1,777

2,688

3,5100

Boiler body weight kg 940 1050 1170 1270 1400 1510 1630 1740

1 2 5 7

3 4

6 KEY1 Seat for electronic

controller (optional)2 Thermometer3 Safety thermostat with

manual reset (max temp. 110°C)

4 Pre-setting for flues thermostat

5 Pre-setting for LED indicating first or second stage burner operation

6 2 stages CH temperature thermostat (max 90°C)

7 Boiler switch (o%-on-test)

Ferroli Ltd tel. 0843 479 4790 e-mail: commercial@ferroli.co.uk www.ferroli.co.uk

TECHNICAL SUMMARY TABLE