Fittings

ECOFLOW PUMP

HIGHLY EFFICIENT CIRCULATING PUMPS FOR HEATING SYSTEMS
Pumps supporting ECM technology and equipped with a rotor with permanent magnets, intended for use in central heating systems, floor heating systems, boiler systems and solar systems.



LOW RUNNING COSTS
Running costs are at the minimum level due to the highly-efficient motor with permanent magnet and electronic commutator (ECM technology) and the energy efficiency index (EEI) exceeds the level indicated in the ErP 2015 directive.

HOW TO IMPROVE EFFICIENCY?
The impressively simple design of the motor with patented Anti-Block technology (spherical-shaped shaftless motor). This solution requires only one bearing, which is self-levelling and does not require any shaft. It contributes to a considerable decrease in the number of expensive and complicated parts.

SPHERICAL ROTOR
Spherical rotor with permanent magnets is the only mobile part. The spherical motor of the pump does not have a shaft what ensures quiet operation throughout the entire service life.  Separation of the magnetic compartment from liquid stream prevents jamming and damages of the pump.


EASY AND QUICK ELECTRICAL CONNECTION
Innovative plug, which is compatible with plugs of the pumps previously installed in the facility. Rotation of body motor with a ring allows setting plug in each position what ensures easy assembly.

THERMAL PROTECTION
The pumps are equipped with an internal temperature sensor as a standard. Operation of the pump between 105°C and 115°C results in a continuous decrease of speed of the pump. Pump stops automatically if the temperature reaches 125°C and restarts after cooling down to 115°C. Moreover, limitation of starting current to 6.5A protects also older and external components controlling the heating.

OPERATING MODES:

WHITE:
Stepless control of fixed rotational speed in particular for the supply of the boilers, conventional heating systems and systems with hydraulic separators;

 

 

BLUE:
Automatic control of proportional pressure Δp-v, in particular for thermostatic regulating valves on the radiators;

 

 

GREEN:
Automatic control of constant pressure Δp-c, used for floor heating.
Furthermore, blinking of LED informs about potential messages.

 

 

AUTOMATIC AIR BLEEDING:
Just turn the knob to air bleeding symbol for more than 5 seconds to start the automatic air bleeding function for the pump regardless which control option has been previously selected. This function allows the efficient removal of the air from the pump’s interior. When this service operation is completed the pump automatically returns to all previously selected settings.

EASY TO USE
One knob controls all functions, from stepless control to automatic air bleeding. Multi-colour LED inside the transparent knob automatically shows currently selected control option.

NEW AND INNOVATIVE DESIGN
Deposits present in the pumped liquid may accumulate on fixed magnetic parts of the pump and be a cause of jamming and damage or decrease in efficiency. Ecoflow Pump is equipped with Anti-Block, separating the completely primary stream of pumped liquid from fixed magnetic parts.
Such innovative design of the Defro Ecoflow pump ensures correct and trouble-free operation even in the old heating systems.

TECHNICAL DATA
Type 4 6

Range of temperature the medium 1

0°C do +110°C

Capacity

3,2 m3

Delivery head 4 m 6 m
Maximum operating pressure 10 bar (Pn 10)
Power supply 200-240 V, 50/60 Hz
Electrical connection PLUG
IP rating of the housing IP 44
Insulation class Class 155 (F)
Operation

stepless control of constant rotational speed

automatic control of proportional pressure automatic

control of constant pressure

Material grey cast iron (EN-GJL-200) cataphoretic painting
Speed range pump automatically adapts the revolutions to demands of the system, automatic air bleeding, dry-run protection, Anti-Block

Energy Efficiency Index EEI 2

<0,21 <0,23
Standard connectors size

G 1½” - Rp1”

Assembly length 180 mm 180 mm
Appliance class I

Allowable pumped media 3

heating water acc. to VDI 2035, water-glycol mixture
Weight 3 kg 3 kg

1 They must not freeze. To avoid condensation temperature of the medium should be always higher than ambient temperature.

Point of reference for the most effective circulating pumps is EEI <0.20

3 The efficiency of the pump would change considerably when water-glycol mixtures with EEI higher than 20% are pumped.

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