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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 treated with a surface coating, so it does not need to be cleaned physically. The installation of this boiler is simple, as the mounting bracket includes an integrated spirit level.
The system can be optionally expanded with a (semi-)automatic refill unit, which allows the system to be refilled automatically and intelligently through the boiler's control panel, the eTwist, or via the handy eTwist app.
Technical Specifications:
| Feature | Value |
|---|---|
| Brand | Remeha |
| Supplier Code | 7649962 |
| EAN Code | 8713809288228 |
| Width | 450 mm |
| Height | 690 mm |
| Depth | 450 mm |
| Supply Voltage | 230 V |
| Number of Phases | 1 |
| Energy Efficiency Class | A |
| Material Quality | Other |
| Flow 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 Power Consumption at Full Load | 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 Power Consumption in Standby Mode (Psb) | 0 kW |
| Standby Heat Loss (Pstby) | 0.054 kW |
| Maximum Hydrogen Percentage in Mixture with NAT Gas | 20 % |
| Suitable for Low Calorific Value Natural Gas | Standard Factory Setting |
| Suitable for High Calorific Value Natural Gas | Manually Adjustable |
| Suitable for Propane | Manually Adjustable |
| Suitable for Butane | Not Suitable |
| Suitable for Methane | Manually Adjustable |
| Suitable for LPG | Not Suitable |
| Suitable for Hydrogen | Manually Adjustable |
| Heat Exchanger Material | Aluminum |
| Built-in Pump Control | Yes |
| Gas Certificate VR/SV | No |
| Gas Certificate NZ | Yes |
| Nominal Load Lower Value | 34.8 kW |
| Nominal Load Upper Value | 38.7 kW |
| Min. Operating Pressure | 0.8 bar |
| Min. Return Temperature | 20 °C |
| Max. Gas Supply Pressure | 30 mbar |
| Built-in Weather Dependent Regulator | Yes |
| Built-in Expansion Vessel | No |
| Water Side Resistance at dT 20 °C | 46 kPa |
| Nom. Output 80-60 °C | 34.5 kW |
| Max. Flow Temperature (Operating Temperature) | 90 °C |
| Max. Operating Pressure | 3 bar |
| Built-in Fill/Drain Valve | No |
| Built-in Pressure Relief Valve | Yes |
| External Pipe Diameter Flow | 22 mm |
| External Pipe Diameter Return | 22 mm |
| Fuel Connection | Other |
| External Pipe Diameter Fuel | 15 mm |
| Air Supply Connection | Plug End |
| Nom. Channel Diameter Air Supply | 80 mm |
| Flue Gas Connection | Plug End |
| Condensate Connection | Other |
| External Pipe Diameter Condensate | 25 mm |
| Min. Gas Supply Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Gas Certificate VR | No |
| Nom. Channel Diameter Flue Gas | 80 mm |
| Burner Control High/Low | No |
| Burner Control Modulating | Yes |
| External Pipe Diameter Expansion Connection | 0 mm |
| Built-in Manometer | Yes |
| Condensing | Yes |
| Gas Certificate 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 |
| Nom. Output 50-30 °C | 35.6 kW |
| Suitable for Propane | Yes |
| Suitable for Butane | No |
| Suitable for Methane | Yes |
| Max. Permissible Operating Pressure | 3 bar |
| Nom. Diameter Flow | Other |
| Nom. Diameter Return | Other |
| Nom. Diameter Fuel | Other |
| Nom. Diameter Condensate | DN 25 |
| Conversion Kit Required | No |
| Gas Certificate HR | Yes |
| Gas Certificate NZ | No |
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