Two Stage Light Oil Burners

MODEL

PRESS GW

PRESS 1G

PRESS 2G

PRESS 3G

PRESS 4G

Burner operation mode

Two stage

Modulation ratio at max. output

2 - 1

Servomotor

type

run time

s

Heat output

kW

107/178-356

130/190-534

214/356-712

273/534-1168

415/830-1660

Mcal/h

92/153-306

112/163-459

184/306-612

235/459-1004

357/714-1428

kg/h

9/15-30

11/16-45

18/30-60

23/45-100

35/70-140

Working temperature

oC min./max.

0/40

FUEL / AIR DATA

Net calorific value

kWh/kg

11,8

kcal/kg

10200

Viscosity

mm2/s (CST)

4 - 6 (at 20^oC)

Pump

type

AN 67

AN 77

AN 77

J 6

J 7

delivery

kg/h

65 (12 bar)

90 (12 bar)

90 (12 bar)

164 (12 bar)

244 (12 bar)

Atomised pressure

bar

12

Fuel temperature

Max.^oC

50

Fuel pre-heater

NO

Fan

type

Centrifugal with forward curve blades

Air temperature

Max. °C

60

ELECTRICAL DATA

Electrical supply

Ph/Hz/V

1/50/230~(±10%)

3N/50/400~(±10%) 3/50/230~(±10%)

Auxiliary electrical supply

Ph/Hz/V

1/50/230~(±10%)

Control box

type

RMO

Total electrical power

kW

0,43

0,6

1,07

2,05

3,8

Auxiliary electrical power

kW

0,18

0,15

0,3

0,5

0,8

Protection level

IP

40

Pump motor electrical power

kW

Rated pump motor current

A

Pump motor start up current

A

Pump motor protection level

IP

Fan motor electrical power

kW

0,25

0,45

0,75

1,5

3

Rated fan motor current

A

2,1

1,9 - 1,1

2,9 - 1,7

6 - 3,5

10,5 - 6

Fan motor start up current

A

4,8

9,5 - 5,5

14 - 8

28 - 16

55 - 32

Fan motor protection level

IP

54

Ignition transformer

type

--

V1 - V2

230 V - 8 kV

I1 - I2

1,8 A - 30 mA

Operation

Intermittent (at least one stop every 24 h)

EMISSIONS

Sound pressure

dBA

75,5

78

81,5

83

85

Sound power

W

CO emission

mg/kWh

< 110

Grade of smoke indicator

No Bach.

< 1

CxHy emission

mg/kWh

< 10 (after the first 20 s)

NOx emission

mg/kWh

< 250

APPROVAL

Directive

73/23 - 89/336 - 98/37 - 92/42 EEC

Conforming to

EN 267

Certification

--