
Wall Mounted Installation Digital Display For Room Heating And Sanitary Hot Water Gas Combi Boiler
Technical data
Model Number | LIPB18 | L1PB20 | L1PB24 |
Gas Type | NG/LPG | ||
Rated Gas Pressure(Pa) | 2000/2800 | ||
Rated Gas Input(kw) | 18 | 20 | 24 |
Rated Gas Output(kw) | 15.9 | 17.6 | 21.1 |
Efficiency Under Rated Heat Input(%) | Above88% | ||
Power Supply | 20-50HZ | ||
Electric Power(W) | 110 | 110 | 110 |
Temp.Range Of Heating Water(℃) | Radiator:30-80 Floor Heating:30-60 | ||
Heating Area(㎡) | 70-140 | 80-160 | 100-200 |
Lift Of pump(m) | 5 | 5 | 5 |
Application Water Pressure(Mpa) | 0.1-0.3 | ||
Expansion Tank Capacity(L) | 6 | 6 | 6 |
Preset Pressure Of Expansion Vessel(Mpa) | 0.1 | ||
Water Circulation Type | Airtight Forced Circulation | ||
△T=25℃ Hot Water Supply(kg/min) | 9 | 10 | 12 |
△T=30℃ Hot Water Supply(kg/min) | 7.5 | 8.3 | 10 |
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 |
- Inteligent constant temperature control will provide easeful warmth for your rooms and comfortable
shower water anytime.
- PCB is insensitive to the electric polarity and fluctuations of voltage AC 160-242 Volt.
- Indication of temperatures, working modes, power level and error codes on the color multifunctional LED display.
- Frost protection: Burner and pump will be switch on automatically by danger of freezing. It is allowed to use
antifreeze liquid instead of water in the heating system.
- Universal main PCB fully compatible with other models of Dongyuan boilers.
- Four section timer.
- Intelligent and economical control system.
- The original modular design, assembly and disassembly is simple, fault memory function, convenient for the
rapid diagnosis of after sales personnel.
- With normal mode, state mode, diagnostic mode, failure mode, can quickly provide comfortable hot water
in a very short time.
- Delay operation to prevent overheating repeatedly start.
- Multiple security devices ensure high safety grade including anti-freezing protection, overheat protection,
by-pass protection, and so on.
- 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.
- Integrated pump, expansion tank, heating safety valve,manometer,automatic air exhaust device.
- Frost protection: burner and pump will be switch on automatically by danger of freezing, It is allowed to use
antifreeze liquid instead of water in the heating system.
- 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.
- Electronic controlled fan with variable rotation speed for keeping the optimal minimal required air exceed in the gas-air mix.
- Indication of temperatures, working modes, current burner power and error codes on the color multifunctional LED display.
- Various capacity available. Input capacity(20kw,24kw,28kw,32kw) can match with different house type.
- Various structure available,suitable for different using condition.
- Can be connected with room thermostat or remote controller which providing more function options.
- Two modifications: Bi-thermal pipe-in-pipe copper heat exchanger or with separate plate DHW heat exchanger.
-Till 24kw heating output, till 14.2L/min hot water(DHW)with T=25℃
- Frost protection: Burner and pump will be switch on automatically by danger of freezing. It is allowed to use antifreeze liquid
instead of water in the heating system.
- Steady ignition and work by low inlet gas pressure from 3mbar, full output by inlet gas pressure from 13mbar and higher.
- Universal main PCB fully compatible with other models of Dongyuan boilers.
- Supports smooth control with Open Therm room thermostat from any producer.
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.