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The intelligent Calenta Ace is ready for the (digital) future – thanks to the new appliance control (eSmart Inside). The Calenta Ace boiler features brass hydraulic blocks. The heat exchanger used in the Calenta Ace has a surface treatment, meaning it does not need to be physically cleaned. The installation of this boiler is simple because the mounting bracket comes with an integrated spirit level.
The system can optionally be expanded with a (semi)-automatic topping-up unit, which allows the system to be refilled automatically and intelligently via the boiler's control panel, the eTwist, or the convenient eTwist app.
This version is equipped with an eccentric flue gas outlet.
| Feature | Value |
|---|---|
| Brand | Remeha |
| Supplier Code | 7649964 |
| EAN Code | 8713809288242 |
| Discount Group | 005 |
| Width | 450 mm |
| Height | 690 mm |
| Depth | 450 mm |
| Supply Voltage | 230 V |
| Number of Phases | 1 |
| Material Quality | Other |
| Flow Connection | Compression |
| Return Connection | Compression |
| Nominal Voltage | 196 - 253 V |
| Frequency | 50 Hz |
| Closed Version | Yes |
| Nominal Domestic Hot Water Power | 38.5 kW |
| Nominal Upper Value Domestic Hot Water Load | 43.1 kW |
| Nominal Lower Value Domestic Hot Water Load | 38.8 kW |
| Energy Efficiency for Water Heating (Nwh) | 87 % |
| SEER (Ns) at Average Conditions | 95 |
| SEER (Ns) at Cooler Conditions | 99.6 |
| SEER (Ns) at Warmer Conditions | 89.3 |
| Capacity Profile | XXL |
| Energy Efficiency Class for Space Heating | A |
| Energy Efficiency Class for Water Heating | A |
| Nominal Diameter Hot Water | DN 15 |
| Additional Power Consumption at Full Load (ELmax) | 0.005 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) | 0.004 kW |
| Standby Heat Loss (Pstby) | 0.054 kW |
| With Built-in Economizer | Yes |
| Energy Efficiency Space Heating | 95 % |
| Hot Water Flow Rate according to EN 13203-1 | 20.3 l/min |
| Heat Exchanger Material | Aluminium |
| Adjustable Heating Capacity | Yes |
| Nominal Diameter Cold Water | DN 15 |
| Min. Flow Rate | 1.5 l/min |
| Built-in Pump Control | Yes |
| Gas Certification VR/SV | No |
| Gas Certification NZ | Yes |
| CW Label | 5 |
| Nominal Lower Value Load | 34.8 kW |
| Nominal Upper Value Load | 38.7 kW |
| Min. Operating Pressure | 0.8 bar |
| Min. Return Temperature | 20 °C |
| Max. Gas Supply Pressure | 30 mbar |
| Hot Water Capacity at 60 °C | 11 l/min |
| Built-in Weather Dependent Controller | Yes |
| Built-in Expansion Vessel | No |
| Hydraulic Resistance at dT 20 °C | 46 kPa |
| Nominal Power 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 | Compression |
| External Pipe Diameter Fuel | 15 mm |
| Air Supply Connection | Plug-In |
| Nominal Channel Diameter Air Supply | 80 mm |
| Flue Gas Outlet Connection | Plug-In |
| External Pipe Diameter Cold Water | 15 mm |
| External Pipe Diameter Hot Water | 15 mm |
| 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 Outlet | 80 mm |
| Burner Control High/Low | No |
| Modulating Burner Control | Yes |
| 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 Version (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. Allowable Operating Pressure | 3 bar |
| Nominal Diameter Flow | Other |
| Nominal Diameter Return | Other |
| Nominal Diameter Fuel | DN 15 |
| Hot Water Storage | 1 l |
| Nominal Diameter Condensate | DN 25 |
| Conversion Kit Required | No |
| Built-in Inlet Combination | No |
| CW Label | 5 |
| Gas Certification HR | Yes |
| Gas Certification NZ | Yes |
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