Gas Wall Hung Combination Boiler

Model

SD18-C2

SD24-C2

SD28-C2

SD32-C2

Unit

Gas Type

NG, LPG, Town Gas

Dimension(L*H*W)

725 X 403 X 325

827 X 488 X 345

mm

C.H. System

Nominal heat input

20

26.3

31

35.3

KW

Nominal heat output

18.4

24.1

28

32

KW

Heat Efficiency

91.8

91.8

91.5

91.5

%

CH System Working Pressure

0.05~0.3

Mpa

Max. Heating Temperature

90

℃

Adjustable CH flow Temp.range

40~85(Floor heating 35~60)

℃

Nominal electric power

125

125

130

145

W

Power

220V/50Hz

Protection Class

IPX4D

Expansion Vessel Volume

6

8

8

10

L

Expansion Vessel Pre-charge Pressure

0.1

Mpa

Heating Area(For reference only)

60~150

60~200

80~280

150~350

M²

Applicable Water Tap Number

1

2

3

4

NWT(boiler only)

36

38

42

43

kgs

DHW System

Max. Working Pressure

0.6

Mpa

Min. Working Pressure

0.03

Mpa

Continuous DHW Production △T=25℃

10.3

13.6

16

18

kg/min

Adjustable DHW flow Temp.range  (±3℃)

35~60

℃

Min DHW flow

2.5

kg/min

DHW limited flow rate

7.3

10

12

14

kg/min

Gas Pressure

Natural Gas

2000

2000

2000

2000

Pa

LPG

2800

2800

2800

2800

Pa

Connection

CH water outlet

3/4"

3/4"

DHW inlet

3/4"

3/4"

DHW outlet

1/2"

1/2"

Cold water inlet

1/2"

1/2"

Gas inlet

3/4"

3/4"

Pump delivery height

5

6

m