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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 features brass hydroblocks. The heat exchanger used in the Calenta Ace has a surface treatment, so it does not require physical cleaning. Installing this boiler is particularly easy, as the mounting bracket includes an integrated spirit level.
The system can optionally be expanded with a (semi-)automatic refill unit, allowing the system to be refilled intelligently and automatically via the boiler control panel, the eTwist, or the convenient eTwist app.
| Feature | Value |
|---|---|
| Brand | Remeha |
| Supplier Code | 7649962 |
| EAN Code | 8713809288228 |
| Discount Group | 005 |
| Width | 450 mm |
| Height | 690 mm |
| Depth | 450 mm |
| Power 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 System | Yes |
| SEER (Ns) under average conditions | 95 |
| SEER (Ns) under colder conditions | 99.6 |
| SEER (Ns) under warmer conditions | 89.3 |
| Supplemental Electricity Consumption at Full Load (ELmax) | 0.05 kW |
| Useful Heat Output at Nominal Heat Output and High-Temperature Operation (P4) | 34.5 kW |
| Efficiency at Nominal Heat Output and High-Temperature Operation (n4) | 89.3 % |
| Supplemental Electricity Consumption in Standby Mode (Psb) | 0 kW |
| Standby Heat Loss (Pstby) | 0.054 kW |
| Maximum Hydrogen Content for Blending with Natural Gas | 20 % |
| Suitable for Low-Calorific Natural Gas | Factory Setting |
| Suitable for High-Calorific 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 |
| Gaskeur VR/SV | No |
| Gaskeur NZ | Yes |
| Nominal Load Lower Value | 34.8 kW |
| Nominal Load Upper Value | 38.7 kW |
| Minimum Operating Pressure | 0.8 bar |
| Minimum Return Temperature | 20 °C |
| Maximum Gas Supply Pressure | 30 mbar |
| Built-in Weather-Controlled Regulator | Yes |
| Built-in Expansion Vessel | No |
| Water Resistance at dT 20 °C | 46 kPa |
| Nominal Power 80-60 °C | 34.5 kW |
| Maximum Flow Temperature (Operating Temperature) | 90 °C |
| Maximum Operating Pressure | 3 bar |
| Built-in Fill/Drain Tap | 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 | Insert End |
| Nominal Channel Diameter Air Supply | 80 mm |
| Flue Gas Outlet Connection | Insert End |
| Condensate Connection | Other |
| External Pipe Diameter Condensate | 25 mm |
| Minimum Gas Supply Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Gaskeur VR | No |
| Nominal Channel Diameter Flue Gas Outlet | 80 mm |
| Burner Control High/Low | No |
| Burner Control Modulating | Yes |
| External Pipe Diameter Expansion Connection | 0 mm |
| Built-in Manometer | Yes |
| Condensing | Yes |
| Gaskeur 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 System (Air Supply) Possible | Yes |
| Nominal Power 50-30 °C | 35.6 kW |
| Suitable for Propane | Yes |
| Suitable for Butane | No |
| Suitable for Methane | Yes |
| Maximum Allowable Operating Pressure | 3 bar |
| Nominal Diameter Flow | Other |
| Nominal Diameter Return | Other |
| Nominal Diameter Fuel | Other |
| Nominal Diameter Condensate | DN 25 |
| Conversion Kit Required | No |
| Gaskeur HR | Yes |
| Gaskeur NZ | No |
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