Foshan Shunde Dongyuan Gas Appliances Industrial Co., Ltd.
Foshan Shunde Dongyuan Gas Appliances Industrial Co., Ltd. Foshan Dongyuan Thermal Technology Co.,Ltd
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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.
