With the Remeha Tzerra Ace Combi Comfort System, you get the best combination of ultimate heating comfort and energy savings in your home. This smart combination of the high-quality HR boiler and the smart eTwist thermostat is perfectly matched and allows for the best performance.
Tzerra Ace Boiler
The Remeha Tzerra Ace-Matic is a boiler with guaranteed high and lasting efficiency. This revolutionary boiler is equipped with an electronic, self-adjusting gas/air system. This ensures optimal settings and guarantees a consistently high efficiency. Additionally, the Tzerra Ace-Matic is future-proof.
Advantages
This version is equipped with a concentric flue gas discharge.
Smart eTwist Thermostat
The eTwist is designed as a modulating room thermostat that efficiently controls the heating and cooling system. It has a wired connection to the device. It is also possible to connect the eTwist to the internet via Wi-Fi, so the thermostat can be controlled with an app on a mobile device.
| Feature | Value |
|---|---|
| Brand | Remeha |
| Supplier Code | 7814165 |
| EAN Code | 8713809361402 |
| Discount Group | 005 |
| Width | 395 mm |
| Height | 700 mm |
| Depth | 285 mm |
| Number of Phases | 1 |
| Flow Connection | Compression fitting |
| Return Connection | Compression fitting |
| Nominal Voltage | 196 - 253 V |
| Frequency | 50 Hz |
| Closed Version | Yes |
| Nominal Hot Water Power | 28 kW |
| Nominal Maximum Load Hot Water | 32.08 kW |
| Nominal Minimum Load Hot Water | 28.9 kW |
| Energy Efficiency for Water Heating (Nwh) | 88% |
| SEER (Ns) under average conditions | 97% |
| SEER (Ns) under colder conditions | 98.8% |
| SEER (Ns) under warmer conditions | 87.9% |
| Capacity Profile | XL |
| Energy Efficiency Class for Space Heating | A |
| Energy Efficiency Class for Water Heating | A |
| Nominal Diameter Hot Water | DN 15 |
| Supplementary Power Consumption at Full Load (ELmax) | 0.044 kW |
| Useful Heat Output at Nominal Heat Output and Operation at High Temperature (P4) | 24 kW |
| Useful Efficiency at Nominal Heat Output and Operation at High Temperature (n4) | 87.9% |
| Supplementary Power Consumption in Standby Mode (Psb) | 0.004 kW |
| Standby Heat Loss (Pstby) | 0.04 kW |
| With Built-in Economizer | Yes |
| Energy Efficiency for Space Heating | 97% |
| Hot Water Flow according to EN 13203-1 | 13.4 l/min |
| Max Hydrogen Percentage for Mixing with Natural Gas | 20% |
| Suitable for Low-Calorific Natural Gas | Automatically adjustable |
| Suitable for High-Calorific Natural Gas | Automatically adjustable |
| Suitable for Propane | Automatically adjustable |
| Suitable for Butane | Automatically adjustable |
| Suitable for Methane | Automatically adjustable |
| Suitable for LPG | Automatically adjustable |
| Suitable for Hydrogen | Automatically adjustable |
| Heat Exchanger Material | Stainless Steel (SS) |
| Adjustable Heating Power | Yes |
| Nominal Diameter Cold Water | DN 15 |
| Flow Threshold | 1.2 l/min |
| Built-in Pump Switching | Yes |
| Nominal Minimum Load | 28.9 kW |
| Nominal Maximum Load | 32.08 kW |
| Min. Operating Pressure | 0.5 bar |
| Min. Return Temperature | 20 °C |
| Max. Gas Supply Pressure | 30 mbar |
| Hot Water Capacity at 60 °C | 8 l/min |
| Built-in Weather-dependent Regulator | Yes |
| Built-in Expansion Tank | No |
| Hydraulic Resistance at ΔT 20 °C | 24 kPa |
| Nominal Power 80-60 °C | 24 kW |
| Max. Supply Temperature (Operating Temperature) | 80 °C |
| Max. Operating Pressure | 3 bar |
| Built-in Filling/Draining Valve | No |
| Built-in Overpressure Valve | Yes |
| External Pipe Diameter for Supply | 22 mm |
| External Pipe Diameter for Return | 22 mm |
| Fuel Connection | Compression fitting |
| External Pipe Diameter for Fuel | 15 mm |
| Air Supply Connection | Push-fit |
| Nominal Air Supply Channel Diameter | 100 mm |
| Flue Gas Discharge Connection | Push-fit |
| External Pipe Diameter for Cold Water | 15 mm |
| External Pipe Diameter for Hot Water | 15 mm |
| Condensate Connection | Other |
| External Pipe Diameter for Condensate | 21.8 mm |
| Min. Gas Supply Pressure | 20 mbar |
| Hot Water Connection | Compression fitting |
| Nominal Flue Gas Channel Diameter | 60 mm |
| Burner Control High/Low | No |
| Modulating Burner Control | Yes |
| Built-in Manometer | Yes |
| Condensing | Yes |
| Efficiency | 98.8% |
| 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 | 26.1 kW |
| Nominal Diameter Supply | Other |
| Nominal Diameter Return | Other |
| Nominal Diameter Fuel | DN 15 |
| Hot Water Storage | 1 l |
| Conversion Kit Required | No |
| Built-in Inlet Combination | No |
| CW Label | 4 |
| Gas Certification HR | Yes |
| Gas Certification NZ | Yes |
