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Electric combi boiler - STB/DTB series
Electric combi boiler - STB/DTB series
Electric combi boiler - STB/DTB series
Electric combi boiler - STB/DTB series
Electric combi boiler - STB/DTB series
Electric combi boiler - STB/DTB series

Electric combi boiler - STB/DTB series

Member Details

SUMEC GROUP CORPORATION

Nanjing,Jiangsu,China

Manufacturer,Scientific Researcher,Engineering Contracting Company

  • Product Details
  • Company Profile

Electric combi boiler - STB/DTB series

STB/DTB are the newest members of Thermoflow water heating product series. Just like the Compact model, we aim to allow maximum flexibility in terms of power range with this model. To further explore the functionality of this unit, it is designed to have two sets of completely separate water heating systems: one to power central heating and the other for domestic hot water usage. It can be a powerhouse which fuels the entire hydronic system, or supply warm water to make doing dishes no longer a tedious chore. 

Features

1.Dual heating system

2.LCD display and touch control

3.Rigid casing for maximum protection

4.Schedule selections system

5.Anti-freeze mode

6.Heat preservation mode

7.Built in pump

 

Technical Specification

Model

STB 6/9/12

DTB 12/15/18/21/24


Voltage

230 V / 400 V

400 V


Phase

1~ / 3~

3~


Frequency

50 Hz


Power

6 kW

9 kW

12 kW

12 kW

15 kW

18 kW

21 kW

24kW

Current (A)

26 / 9

39 / 13

17

17

22

26

30

35


Cable size (mm2)

4 / 3*1.5

6 / 3*2.5

3*2.5

3*2.5

3*2.5

3*4

3*6

3*6


Circuit breaker (A)

32 / 16

50 / 16

25

25

25

32

40

40


Heating area (m2)

60

90

120

120

150

180

210

240


Efficiency

99%


MAX. Water   Temperature

80?C


Working   temperature

radiator mode 30-80 ?C (default 65   ?C)


floor heating mode 30-60 ?C (default 50 ?C)


domestic hot water 35-70 ?C (default   50 ?C)

domestic hot water 35-60 ?C (default   42 ?C)


Anti-freeze Start   Temperature

<7 ?C


Anti-freeze Stop temp.

≥10 ?C


Output Voltage of Pump

230 V, 0.5 A


Capacity of Expansion Tank

6 L


Inlet & Outlet Connection

G3/4"

G3/4” for heating, G1/2” for domestic hot water


Net Weight



Product Size

660 x 402 x 250mm

710 x 452 x 250mm



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