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M2 MIX3 Energy DN20

2-way module with 3-way mixing valve prepared for the installation of an energy meter

The unit for 1/2” (130 mm) circulating pumps consists of:

Supply
• Connection.
• 3-way mixing valve.
• High efficiency synchronous pre-wired circulating pump (for the models
that include it).
• 3-way flanged ballv alve supplied with in-hand lethermometer (redring,
range 0°C-120°C). The third way M10x1 allows the dip fitting and the lead
sealing of a ø5x45 mm sensor.

Return
• Flanged ball valve with 20 mbar check valve (which can be excluded by
rotating the handle by 45°) supplied with in-handle thermometer (blue
ring; 0°C-120°C).
• Distance piece made of plastic 1”x130mm that has to be removed, after
having cleaned the installation, to fit the heat/cooling energy meter.
• T-fitting for mixing valve.
• Connection.

Centre distance 90 mm. EPP insulation box (Dimensions: 180x302x142 mm).
PN 10, max temperature 90°C.
Connections: 3/4” Male with swivel shank to the heat source or to the zone
manifold. 3/4” Female to the user.

FIELD OF USE
For power up to 28 kW (with Δt 20 K) and maximum flow rate of 1200 l/h(*).
Kvs value: 4.0 (*).
Approximate data calculated with a 6 m head circulating pump.
For an accurate sizing or for higher flow rates, please refer to the curve in the instructions.
(*) The data are relevant to the pump unit without heat/cooling energy meter installed.

Available circulating pumps:
Wilo Para 15/6 SC 
Grundfos UPM3S Auto 15-60
Wilo Para 15/8 SC 

Installable heat/cooling energy meters:
DN20 - 1” x 130 Qn 2.5 (20)

Code
Specifications
Manifold connections
System connections
Circulator
Servomotor
202518-M3-20 G 3/4" Male G 3/4" Female - -
202518-M3-P6-20 G 3/4" Male G 3/4" Female Wilo Para 15/6 SC -
202518-M3-A6-20 G 3/4" Male G 3/4" Female Grundfos UPM3S Auto 15-60 -
202518-M3-P8-20 G 3/4" Male G 3/4" Female Wilo Para 15/8 SC -

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