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The intelligent Calenta Ace is ready for the (digital) future, thanks to the new device control (eSmart Inside). The Calenta Ace boiler is equipped with brass hydraulic blocks. The heat exchanger used in the Calenta Ace is coated with a surface treatment, which means it does not need to be physically cleaned. The installation of the boiler is easy, as the mounting bracket includes an integrated level.
The system can optionally be expanded with a (semi-)automatic refill unit, allowing the system to be refilled automatically and intelligently via the boiler’s control panel, the eTwist, or the convenient eTwist app.
Technical Specifications:
| Feature | Value |
|---|---|
| Brand | Remeha |
| Supplier Code | 7672227 |
| EAN Code | 8713809289041 |
| Width | 450 mm |
| Height | 690 mm |
| Depth | 450 mm |
| Supply Voltage | 230 V |
| Number of Phases | 1 |
| Energy Efficiency Class | A |
| Material Quality | Other |
| Supply Connection | Compression |
| Return Connection | Compression |
| Frequency | 50 Hz |
| Connection Voltage | 196 - 253 V |
| Closed Design | Yes |
| SEER (Ns) under average conditions | 95 |
| SEER (Ns) under colder conditions | 99.6 |
| SEER (Ns) under warmer conditions | 89.3 |
| Additional electricity consumption under full load (ELmax) | 0.05 kW |
| Useful heat output at nominal heat output and high temperature operation (P4) | 34.5 kW |
| Useful efficiency at nominal heat output and high temperature operation (n4) | 89.3% |
| Additional electricity consumption in standby mode (Psb) | 0 kW |
| Standby heat loss (Pstby) | 0.054 kW |
| Max. hydrogen content in mixture with natural gas | 20% |
| Suitable for low-calorific natural gas | Standard factory setting |
| Suitable for high-calorific natural gas | Manually adjustable |
| Suitable for propane | Manually adjustable |
| Suitable for butane | Not suitable |
| Suitable for methane | Automatically adjustable |
| Suitable for LPG | Not suitable |
| Suitable for hydrogen | Manually adjustable |
| Heat Exchanger Material | Aluminum |
| Built-in Pump Control | Yes |
| Gas Certification VR/SV | No |
| Gas Certification NZ | Yes |
| Nominal Load Lower Value | 34.8 kW |
| Nominal Load Upper Value | 38.7 kW |
| Min. Working Pressure | 0.8 bar |
| Min. Return Temperature | 20 °C |
| Max. Gas Supply Pressure | 30 mbar |
| Built-in Weather-Dependent Controller | Yes |
| Built-in Expansion Vessel | No |
| Water Resistance at dT 20 °C | 46 kPa |
| Nominal Power 80-60 °C | 34.5 kW |
| Max. Supply Temperature (Operating Temperature) | 90 °C |
| Max. Working Pressure | 3 bar |
| Built-in Filling/Draining Valve | No |
| Built-in Pressure Relief Valve | Yes |
| External Pipe Diameter Supply | 22 mm |
| External Pipe Diameter Return | 22 mm |
| Fuel Connection | Other |
| External Pipe Diameter Fuel | 15 mm |
| Air Supply Connection | Push-in end |
| Nominal Channel Diameter Air Supply | 100 mm |
| Flue Gas Connection | Push-in end |
| Condensate Connection | Other |
| External Pipe Diameter Condensate | 25 mm |
| Min. Gas Supply Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Gas Certification VR | No |
| Nominal Channel Diameter Flue Gas | 60 mm |
| Burner Control High/Low | No |
| Burner Control Modulating | Yes |
| External Pipe Diameter Expansion Connection | 0 mm |
| Built-in Manometer | Yes |
| Condensing | Yes |
| Gas Certification HR | Yes |
| Efficiency | 99.1% |
| Pilot Flame | No |
| Second Return Connection | No |
| Control Signal On/Off | Yes |
| Control Signal High/Low | No |
| Control Signal 0-10V | Yes |
| Control Signal OpenTherm | Yes |
| Operation as Open Design (Air Supply) Possible | Yes |
| Nominal Power 50-30 °C | 35.6 kW |
| Suitable for Propane | Yes |
| Suitable for Butane | No |
| Suitable for Methane | Yes |
| Max. Permissible Operating Pressure | 3 bar |
| Nominal Diameter Supply | Other |
| Nominal Diameter Return | Other |
| Nominal Diameter Fuel | Other |
| Nominal Diameter Condensate | DN 25 |
| Conversion Kit Required | No |
| Gas Certification HR | Yes |
| Gas Certification NZ | No |
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