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| Customization: | Available |
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| Water Storage Mode: | Instant Heating Type |
| Capacity: | 30L |
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Product Technical Specifications | ||||
Model WS/A1 | unit | 20 kilowatts | 24 kilowatts | 28 kilowatts |
Heating rated heat load | Ke Wei | 20.0 | 24.0 | 28.0 |
Minimum heating load | kilowatt | 7 | 8.4 | 9.8 |
Rated heat output for heating | kilowatt | 17.8 | 21.4 | 25 |
Minimize heat output for heating | kilowatt | 6 | 7.1 | 8.3 |
Rated heat load of domestic hot water | kilowatt | 20.0 | 24.0 | 28.0 |
Thermal efficiency | % | >90 | ||
Rated gas consumption (natural gas) | cubic meters per hour | 2.22 | 2.64 | 3.08 |
Effective heating area | rice | <100 | <150 | <200 |
Anti-freeze system start-up temperature | ℃ | <8 | <8 | <8 |
Minimum starting flow rate for domestic hot water | liters per minute | 2.7 | 2.7 | 2.7 |
Maximum pressure of domestic hot water system | Megapascal | 0.7 | 0.7 | 0.7 |
Minimum pressure of domestic hot water system | Megapascal | 0.03 | 0.03 | 0.03 |
Expansion tank capacity | L | 6 | 6 | 6 |
Expansion tank pressure | Megapascal | 0.1 | 0.1 | 0.1 |
Maximum operating pressure of the heating system | Megapascal | 0.3 | 0.3 | 0.3 |
Rated gas pressure (natural gas) | kPa | 2.0 | ||
Gas pressure range (natural gas) | kPa | 1.5-3.0 | ||
Maximum set temperature for hot water | C | 80 | 80 | 80 |
Minimum set temperature for hot water | C | 30 | 30 | 30 |
Maximum set temperature for domestic hot water | Celsius | 60 | 60 | 60 |
Minimum set temperature for domestic hot water | ℃ | 30 | 30 | 30 |
Hot water production rate (Δt=25K) | kg/min | 10.0 | 12.0 | 14.0 |
Hot water production rate (Δt=30K) | kg/min | 8.5 | 10.2 | 11.8 |
Rated voltage | W | 120 | 120 | 120 |
Minimum power | W | 100 | 100 | 100 |
Power generation | W | 2 | 2 | 2 |
Rated voltage/frequency | one | 220V~/50Hz | 220V~/50Hz | 220V~/50Hz |
Types of electric shock protection | one | My class | ||
Enclosure protection rating | one | IPX4 | ||