
High Thermal Efficiency Best Instant For Room Heating And Sanitary
Hot Water Gas Central Heating 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 |
- High reliability with integrated switch-mode power supply.
- 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.
- Microcomputer automatic control, automatic detection of running
state.
- Multiple security features, automatic return to work
status,security no worries.
- 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.
- Supports outdoor temperature driven mode.
- Support smooth control with open therm room thermostat from any
producer.
- Various capacity available. Input capacity(20kw,24kw,28kw,32kw)
can match with different house type.
-Can be connected with room thermostat or remote controller which
providing more function options.
- Automatic electronic ignition and ionization flame control.
- Steady ignition and work by low inlet gas pressure from 3mbar,
full output by inlet gas pressure from 13mbar and higher.
- 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.
- PCB is insensitive to the electric polarity and fluctuations of
voltage AC 160-242 Volt.
- Supports smooth control with Open Therm room thermostat from any
producer.
- Multiple security devices ensure high safety grade including
anti-freezing protection, overheat protection, by-pass protection,
and so on.
- Competitive price with export experience.
- Remote controller optional.
- Quietly working
- Self- diagnostics system. Error will be shown once there is any
fault.
-Inteligent constant temperature control will provide easeful
warmth for your rooms and comfortable shower water anytime.
- Automatic electronic ignition and ionization flame control.
- All draught(open combustion chamber)and forced exhaust models.
- Air draught model. Open chamber, especially design for house type
with collective flue
- Electronic controlled fan with variable rotation speed for
keeping the optimal minimal required air exceed in the gas-air mix.
-Touch buttons, big-screen dynamic LCD display, sensitive and
comfortable.
- Muti-period timer,thermostat comfortable, energy-saving gas .
- Can connect with room thermostat and remote controller which can
provide more function options.
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.