
Environmental Protection Energy Saving For Heating And Domestic Hot Water Wall Mounted Gas boiler
Technical data
Model Number | L1PB20 |
Gas Type | NG/LPG |
Rated Gas Pressure(Pa) | 2000/2800 |
Rated Gas Input(kw) | 20 |
Rated Gas Output(kw) | 17.6 |
Efficiency Under Rated Heat Input(%) | Above88% |
Power Supply | 20-50HZ |
Electric Power(W) | 110 |
Temp.Range Of Heating Water(℃) | Radiator:30-80 Floor Heating:30-60 |
Heating Area(㎡) | 80-160 |
Lift Of pump(m) | 5 |
Application Water Pressure(Mpa) | 0.1-0.3 |
Expansion Tank Capacity(L) | 6 |
Preset Pressure Of Expansion Vessel(Mpa) | 0.1 |
Water Circulation Type | Airtight Forced Circulation |
△T=25℃ Hot Water Supply(kg/min) | 10 |
△T=30℃ Hot Water Supply(kg/min) | 8.3 |
Temp.Range Of DHW Supply(℃) | 30-60 |
Applicative Water Pressure(mpa) | 0.03-0.8 |
The Minimum Starting Flow (L/min) | 2 |
The Minimum Closed Flow(L/min) | 1.6 |
Connections(mm) | For Gas&Heating Water Pipes:G3/4 For DHW Pipes:G1/2 |
Air Input/Exhaust Duct(mm) | φ60/φ100 |
Sparated Input/Exhaust Duct(optional) | φ80/φ100 |
The length Of Flue Dust(m) | 1 |
Noise On Working(DB) | <42 |
Exhaust Type | Forced Exhaust |
Ignition Type | Integrated Automatic Ignition |
Temperature Control | Gas Proportional Adjustment |
Product Dimensions(mm) | 740*400*305 |
Packing Dimensions(mm) | 865*470*385 |
Container(20GP/40GP/40HQ) | 17//357/434 |
- Sectional stainless steel condensing heat exchanger for condensation and utilization of latent of the water
vapors from exhausting smoke with efficiency till 90%.
- Indication of temperatures, working modes, current burner power and error codes on the color multifunctional
LED display.
- Integrated pump, expansion tank, heating safety valve,manometer,automatic air exhaust device.
- Air draught model. Open chamber, especially design for house type with collective flue.
- Two modifications: Bi-thermal pipe-in-pipe copper heat exchanger or with separate plate DHW heat exchanger.
- Steady ignition and work by low inlet gas pressure from 3mbar, full output by inlet gas pressure from 13mbar and higher.
- Multiple security devices ensure high safety grade including anti-freezing protection, overheat
protection, by-pass protection, and so on.
- Stable appearance,classic style, simple and handsome-one shell.
- Gas flow proportional control, variable frequency and energy- saving heating.
- Fan burner with full gas- air premix provides gas combustion with close to ideal conditions-so the condensation process
begin earlier and by higher return line temperature(about 57℃)
- Modulation: boiler output changes automatically to keep the set heating and DHW temperature constant, with great
optimization of gas consumption.
- Support smooth control with open therm room thermostat from any producer.
- Easy operation. With 2 knobs for mode choosing and function option,another 5 indicating lights for indicating working
condition of boiler.
- Can be connected with room thermostat or remote controller which providing more function options.
- Various structure available,suitable for different using condition.
- All draught(open combustion chamber)and forced exhaust models.
- Integrated pump, expansion tank, heating safety,manometer, automatic air exhaust device.
- Multiple security devices ensure high safety grade including anti-freezing protection, overheat protection, by-pass
protection, and so on.
- Inteligent constant temperature control will provide easeful warmth for your rooms and comfortable shower water anytime.
-Touch buttons, big-screen dynamic LCD display, sensitive and comfortable.
- With efficient, energy saving and high lift water pump ensure boiler low noise while working.
- High quality copper waterway valves and pipe components ensure how water supplier reliable and comfortable.
- The main pars are come from famous brand supplier which ensure best quality.
- Unique remote control system realizing climate compensation function,ensure energy saving.
- With efficient, energy saving and high lift water pump ensure boiler low water supplier reliable and comfortable.
-Neat design, gas saving, high efficiency, environmental protected.
Foshan Shunde Dongyuan Gas Appliances Industrial Co., Ltd.
Foshan Shunde Dongyuan gas appliances Ind. Co.,Ltd as the professional wall hung gas boiler factory was established in 2007 and start to develop the overseas market from 2010. Dongyuan gas appliances Ind. Co.,Ltd have five fully automated wall-hung gas boiler production line with an annual capacity of 700,000 units,have two engineers with 23 years R&D experiences .With the powerful and skillful work team, rigid production and quality control ,DONGYUAN success to obtain the ISO9001, ISO14001 certificate, our boilers conform to the requests of CU-TR certificate and European standard, make they hot sale in Russia,Iran, Azerbaijan, Uzbekistan, Israel and other European and Middle East countries.
From mold design and material development to precision machining and products finishing, DONGYUAN exercises strict quality control on each production stage, not only produce traditional wall-mounted gas boiler, but also developed a condensing gas boiler with thermal efficiency up to 105%.
DONGYUAN will continue its effort to create high quality product and serve the customers from all over the world, to earn co-prosperity and mutual interest.