background image

High efficiency combination boilers

27

Technical Data

Delta Performance

Delta Performance

Delta Performance

Delta Performance

25

35

45

55

Fuel

Oil (28 sec or 35 sec) or Natural gas

Burner options 

Type

Pressure jet/ BG2000-S

Input

kW

25/33

33/45

42/61

50/69

Output

kW

22/29

29/40

38/54

45/62

Primary capacity

L

83

104

70

82

Total capacity

L

157

178

132

151

Heating surface area

m

2

1.59

1.59

1.99

2.46

Flue circuit pressure drop

mbar

0.02-0.09

0.08-0.09

0.01-0.08

0.02-0.05

DHW connection (male BSP)

Ø

3/4

"

3/4

"

3/4

"

3/4

"

Primary connection (female BSP)

Ø

1"

1"

1"

1"

Flue connection

Ø mm

130

130

150

150

Burner air intake connection

Ø mm

80 - BG2000-S

Weight empty

kg

145

156

168

200

Weight full

kg

302

334

300

351

Maximum operating temperature

°C

90

90

90

90

Maximum operating pressure  Primary: 3 bar  Secondary: 10 bar

Gas connection - 

3/4

" (BG2000 burner )

Delta Performance

Delta Performance

Delta Performance

Delta Performance

25

35

45

55

Litres in first 10 minutes

40°C

268

285

316

362

Litres in first 10 minutes 

45°C

230

230

283

283

Litres in first 10 minutes 

60°C

170

170

186

186

Litres in first hour

40°C

806

1035

1284

1533

Litres in first hour

45°C

799

1027

1112

1403

Litres in first hour

60°C

568

727

867

977

Continuous flow 40°C

Ltrs/hr

645

900

1161

1405

Reheat time to 80°C

Min

32

29

16

16

Please Note:

Performance data assumes a primary flow temperature of 85°C and a domestic cold water supply of 10°C

Performance Data

25

35

45

55

A

1497mm

1697mm

1497mm

1697mm

B

542mm

542mm

542mm

542mm

C

818mm

818mm

818mm

848mm

E

360mm

360mm

390mm

390mm

F

200mm

200mm

200mm

200mm

Characteristics

Dimensions

1.  Stainless steel inner tank
2.  Primary heating circuit
3.  Rigid polyurethane foam insulation
4.  Stove enamelled metal casing
5. Flue 

pipes 

6.  Stainless steel flue turbulators
7.  Control thermostat pocket
8.  Alternative primary water return

connection

9. Combustion 

chamber

10.  Combustion chamber plate
11.  Primary drain connection
12.  Top primary water flow and return

connections

13. Flue connection
14. Control panel
15.  Domestic hot water outlet
16.  Domestic cold water inlet
17. Lower limit thermostat and

thermometer pocket 

18.  Manual reset high limit thermostat
19.  Oil or gas burner

Отзывы: