Grundfos heating circulation pump ALPHA2, type 15-40,

High-efficiency glandless circulation pump ALPHA2 with permanent magnet motor (ECM technology) and integrated electronic power adjustment through stepless speed change. Suitable for hydraulic balancing. With AutoAdapt and automatic night setback function and LED display for optional display of power consumption. Electrical connection via proven ALPHA plug. Synchronous motor with ECM technology and highest efficiency, high starting torque with blocking protection and automatic start-up function, integrated full motor protection and
Dry-running protection function. Summer mode function can be activated as required. Thermal insulation shells and connection plugs included in the scope of delivery.
Designs/functions/characteristics:
- Energy Efficiency Index EEI (Best in Class)
ALPHA2 xx-40 EEI ≤0.15
ALPHA2 xx-60 EEI ≤0.17
ALPHA2 xx-80 EEI ≤0.18
- Tradesman brand: 5¼ years warranty in Germany
- Single-head pump with cast iron housing (..N variant with stainless steel housing) (..A variant with air separator housing, quick air vent to be provided by customer)
- Cataphoretic coating of the stator housing (and the cast iron housing) for maximum corrosion resistance and durability
- AutoAdapt function finds the optimum setting through self-adapting characteristic curve
- Further control/setting modes: proportional pressure control, constant pressure control, 3 fixed speeds
- Meets the requirements of EnEV (German Energy Saving Ordinance), section 14, paragraph 3
- Media temperatures 2 °C to 110 °C
- Automatic night setback can be activated as an option for further energy savings
- integrated LED display for optional display of the flow
- Thermal insulation shells in accordance with EnEV as standard
- Simple electrical installation using ALPHA connectors
- Compact design, even for confined spaces
- Pump ALPHA2, with ALPHA-Reader MI401 (accessory) and the free app GO-Balance, suitable for carrying out hydraulic balancing.