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The P27EC is an energy-efficient boiler designed for the project market, providing heating and hot water. Features: compact, modular, high performance, easy installation, and low Total Cost of Ownership. Equipped with the exclusive ATAG Economizer, which preheats the hot water, resulting in higher hot water efficiency and more hot water. The P-series works with the Energion M and is also compatible with other hybrid heat pumps.
| Feature | Value |
|---|---|
| Brand | Atag |
| Supplier Code | TZ27E50H |
| EAN Code | 8719874613569 |
| Discount Group | 066 |
| Width | 440 mm |
| Height | 700 mm |
| Depth | 275 mm |
| Number of Phases | 1 |
| Material Quality | Other |
| Inlet Connection | Push-fit |
| Return Connection | Push-fit |
| Nominal Voltage | 196 - 253 V |
| Frequency | 50 Hz |
| Closed Design | Yes |
| Nominal Hot Water Output | 30 kW |
| Nominal Hot Water Upper Value Load | 31.4 kW |
| Nominal Hot Water Lower Value Load | 28.3 kW |
| Water Heating Energy Efficiency (Nwh) | 94 % |
| SEER (Ns) under average conditions | 94 % |
| Capacity Profile | XXL |
| Energy Efficiency Class for Room Heating | A |
| Energy Efficiency Class for Water Heating | A |
| Nominal Hot Water Diameter | 1/2" (15 mm) |
| Additional Power Consumption at Full Load (ELmax) | 0.039 kW |
| Useful Heat Output at Nominal Heat Output and Operation at High Temperature (P4) | 22.1 kW |
| Useful Efficiency at Nominal Heat Output and Operation at High Temperature (n4) | 88.3 % |
| Additional Power Consumption in Standby Mode (Psb) | 0.004 kW |
| Standby Heat Loss (Pstby) | 0.047 kW |
| Built-in Economizer | Yes |
| Room Heating Energy Efficiency | 94 % |
| Heat Exchanger Material | Stainless Steel (RVS) |
| Adjustable Heating Capacity | Yes |
| Nominal Cold Water Diameter | 1/2" (15 mm) |
| Water Flow Threshold | 1.5 l/min |
| Built-in Pump Switching | Yes |
| Gas Certification VR/SV | No |
| Gas Certification NZ | No |
| Nominal Lower Value Load | 22.5 kW |
| Nominal Upper Value Load | 25 kW |
| Min. Operating Pressure | 1 bar |
| Min. Return Temperature | 20 °C |
| Max. Gas Inlet Pressure | 60 mbar |
| Hot Water Capacity at 60°C | 8 l/min |
| Built-in Weather-dependent Controller | Yes |
| Built-in Expansion Vessel | No |
| Hydraulic Resistance at ΔT 20°C | 20 kPa |
| Nominal Output 80-60°C | 22.1 kW |
| Max. Inlet Temperature (Operating Temperature) | 85 °C |
| Max. Operating Pressure | 3 bar |
| Built-in Filling/Draining Valve | No |
| Built-in Overpressure Valve | No |
| Outer Pipe Diameter Inlet | 22 mm |
| Outer Pipe Diameter Return | 22 mm |
| Fuel Connection | Push-fit |
| Outer Pipe Diameter Fuel | 15 mm |
| Air Supply Connection | Socket |
| Nominal Channel Diameter Air Supply | 100 mm |
| Flue Gas Connection | Socket |
| Outer Pipe Diameter Cold Water | 15 mm |
| Outer Pipe Diameter Hot Water | 15 mm |
| Condensate Connection | Other |
| Outer Pipe Diameter Condensate | 21.5 mm |
| Min. Gas Inlet Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Gas Certification VR | No |
| Cold Water Connection | Push-fit |
| Hot Water Connection | Push-fit |
| Nominal Channel Diameter Flue Gas | 60 mm |
| Burner Control High/Low | No |
| Burner Control Modulating | Yes |
| Outer Pipe Diameter Expansion Connection | 15 mm |
| Built-in Manometer | Yes |
| Condensing | Yes |
| Gas Certification HR | Yes |
| Pilot Flame | No |
| Second Return Connection | No |
| Control Signal On/Off | Yes |
| Control Signal High/Low | No |
| Control Signal 0-10V | No |
| Control Signal OpenTherm | Yes |
| Operation as Open Design (Air Supply) Possible | Yes |
| Nominal Output 50-30°C | 24.3 kW |
| Suitable for Propane | No |
| Suitable for Butane | No |
| Suitable for Methane | No |
| Max. Allowable Operating Pressure | 3 bar |
| Nominal Inlet Diameter | 3/4" (20 mm) |
| Nominal Return Diameter | 3/4" (20 mm) |
| Nominal Fuel Diameter | 1/2" (15 mm) |
| Hot Water Storage | 0 l |
| Conversion Kit Required | No |
| Built-in Inlet Combination | No |
| Expansion Connection | Push-fit |
| CW Label | 4 |
| Gas Certification HR | Yes |
| Gas Certification NZ | No |
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