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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Simple Operation Energy Saving For Room Heating And Shower Hot Water Wall Hung Gas Boiler
Technical data
| Model Number | L1PB28 | L1PB32 |
| Gas Type | NG/LPG | |
| Rated Gas Pressure(Pa) | 2000/2800 | |
| Rated Gas Input(kw) | 28 | 32 |
| Rated Gas Output(kw) | 24.7 | 28.2 |
| Efficiency Under Rated Heat Input(%) | Above88% | |
| Power Supply | 20-50HZ | |
| Electric Power(W) | 130 | 145 |
| Temp.Range Of Heating Water(℃) | Radiator:30-80 Floor Heating:30-60 | |
| Heating Area(㎡) | 160-260 | 200-300 |
| Lift Of pump(m) | 6 | 7 |
| Application Water Pressure(Mpa) | 0.1-0.3 | |
| Expansion Tank Capacity(L) | 8 | 8 |
| Preset Pressure Of Expansion Vessel(Mpa) | 0.1 | |
| Water Circulation Type | Airtight Forced Circulation | |
| △T=25℃ Hot Water Supply(kg/min) | 14 | 16 |
| △T=30℃ Hot Water Supply(kg/min) | 11.7 | 13.3 |
| 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) | 855*470*390 | |
| Packing Dimensions(mm) | 870*495*390 | |
| Container(20GP/40GP/40HQ) | 166/333/404 | |
Safety features:
- Automatic by-pass function for pump and control system.
- Water pressure monitor function of heating circulation.
- Self-diagnostic function.
- Water temperature sensor failure protection.
- Safety protection of overload water pressure of heating circulation.
- Twice Anti-freezing function.
- Overheat protection for domestic hot water.
- The terminal temperature protection.
- Defer ignition function.
- Wind pressure safety protection.
- Anti-lock function for pump.
- Automatic circulation function of pump.
- Flame-out protection.
