Name: Yonos MAXO-D 50/0,5-12 PN 6/10
Brand: Wilo
SKU: 2120668

Data sheet

Hydraulic data
Maximum operating pressure PN	10 bar
Head max H _max	12.1 m
Flow max Q _max	28.7 m³/h
Minimum suction head at 50 °C m	5 m
Minimum suction head at 95 °C m	12 m
Minimum suction head at 110 °C	18 m
Min. fluid temperature T_min	-20 °C
Max. fluid temperature T_max	110 °C
Min. ambient temperature T_min	-20 °C
Max. ambient temperature T_max	40 °C

Motor data
Energy efficiency index (EEI) ^*	≤ 0.23
Mains connection	1~230 V ±10%, 50/60 Hz
Min current I_min	0.17 A
Max current I_max	2.65 A
Rated power P₂	500 W
Min. speed n_min	950 1/min
Max. speed n_max	4600 1/min
Power consumption P_{1 min}	15 W
Power consumption P_{1 max}	600 W
Emitted interference	EN 61800-3;2004+A1;2012 /residential area (C1)
Interference resistance	EN 61800-3;2004+A1;2012 /industrial environment (C2)
Threaded cable connection	2 x M20x1.5
Insulation class	F
Protection class	IPX4D

* The benchmark for the most efficient circulators is EEI ≤ 0.20

Materials
Pump housing	Grey cast iron
Impeller	PPS-GF40
Shaft	Stainless steel
Bearing	Carbon, metal-impregnated

Installation dimensions
Pump connection	DN 50
Port-to-port length L0	280 mm

Equipment/function

Function
Control mode	Δp-v for variable differential pressure Δp-c for constant differential pressure Constant speed (3 speed stages)
Multi pump operation	Main/Standby
Display	Setpoint

Equipment
Approvals and labels	CE VDE EAC
Display	LED segment display
Display information	Basic Versio n: LED display (small) for showing the set head or speed stage.
Pump control	Electronic-controlled pump
Quick electrical connection	Wilo plug

Connectivity
Digital input	Ext. OFF (via accessories Wilo-Connect module Yonos MAXO)
Digital output	SSM SSM/SBM (via accessories Connect module Yonos MAXO)

Ordering information

Product data
Brand	Wilo
Product description	Yonos MAXO-D 50/0,5-12 PN 6/10
Article number	2120668
EAN number	4048482274928
Colour	green/black
Minimum order quantity	1

Packaging
Packaging type	Cardboard box
Packaging property	Transport packaging
Pieces per pallet	12
Number per layer	4

Dimension, weight
Length with packaging	525 mm
Length L	280 mm
Height with packaging	375 mm
Height H	413 mm
Width with packaging	385 mm
Width W	310 mm
Gross weight, approx. m	28.5 kg
Net weight, approx. m	26 kg

High-efficiency pump Wilo-Yonos MAXO-D, electronically controlled. Glandless twin-head pump, synchronous motor according to ECM technology and integrated power control for continuous differential pressure control. Can be used for all heating, ventilation and air-conditioning applications.

Each pump can be operated in individual operation (main/standby operation). The connection module Yonos MAXO can be used for automatic fault-actuated switchover.

Standard-equipped with:

Preselectable control modes for optimum load adjustment: Δp-c (constant differential pressure), Δp-v (variable differential pressure)
3 speed stages (n = constant)
LED for setting the setpoint and displaying error messages
Electrical connection with the Wilo plug
Fault lamp and contact for collective fault signal

For flange-end pumps - flange versions:

Standard version for DN 32 to DN 65 pumps: PN 6/10 combination flange (PN 16 flange according to EN 1092-2) for PN 6 and PN 16 counter flanges
Standard version for DN 80/DN 100 pumps: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flange

Operating data
Min. fluid temperature T_min	-20 °C
Max. fluid temperature T_max	110 °C
Min. ambient temperature T_min	-20 °C
Max. ambient temperature T_max	40 °C
Maximum operating pressure PN	10 bar
Minimum suction head at 50 °C m	5 m
Minimum suction head at 95 °C m	12 m
Minimum suction head at 110 °C	18 m

Motor data
Energy efficiency index (EEI) ^*	≤ 0.23
Mains connection	1~230 V ±10%, 50/60 Hz
Min current I_min	0.17 A
Max current I_max	2.65 A
Rated power P₂	500 W
Min. speed n_min	950 1/min
Max. speed n_max	4600 1/min
Power consumption P_{1 min}	15 W
Power consumption P_{1 max}	600 W
Emitted interference	EN 61800-3;2004+A1;2012 /residential area (C1)
Interference resistance	EN 61800-3;2004+A1;2012 /industrial environment (C2)
Insulation class	F
Protection class	IPX4D
Threaded cable connection	2 x M20x1.5

* The benchmark for the most efficient circulators is EEI ≤ 0.20

Materials
Pump housing	Grey cast iron
Impeller	PPS-GF40
Shaft	Stainless steel
Bearing	Carbon, metal-impregnated

Installation dimensions
Pump connection	DN 50
Port-to-port length L0	280 mm

Ordering information
Brand	Wilo
Product description	Yonos MAXO-D 50/0,5-12 PN 6/10
Net weight, approx. m	26 kg
Article number	2120668

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Mechanical accessories

Pipe installation (2)
Counter flange kit
	DN 50, PN 6 counter flange kit	2105580	GBP 82.-
	DN 50, PN 10 counter flange kit	2105581	GBP 126.-


Pipe installation, adapter fitting (9)
Intermediate flange connecting piece F
	Intermediate flange pieces F 3, DN 50x20mm, PN 6	110623098	GBP 105.-
	Intermediate flange pieces F 3, DN 50x20mm, PN 10/16	110623190	GBP 90.-
	Intermediate flange pieces F 5, DN 50x35mm, PN 6	110623293	GBP 100.-
	Intermediate flange pieces F 5, DN 50x35mm, PN 10/16	110623396	GBP 117.-
	Intermediate flange pieces F 4, DN 50x30mm, PN 6	110681292	GBP 95.-
	Intermediate flange pieces F 4, DN 50x30mm, PN 10/16	110681395	GBP 100.-
	Intermediate flange pieces F 40, DN 50x160mm, PN 10/16	2101156	GBP 616.-
	Intermediate flange pieces F 2, DN 50x10mm, PN 6	110787690	GBP 63.-
	Intermediate flange pieces F 2, DN 50x10mm, PN 10/16	110791494	GBP 63.-


Maintenance/replacement (1)
Blind flanges, glandless pump
	Blind flange Gr.43 SET	2049992	GBP 219.-

Pump control/interface module (1)
Connect module Yonos MAXO
	Wilo-Connect module Yonos MAXO	2210108	GBP 307.-

Yonos MAXO-D 50/0,5-12 PN 6/10

Glandless pump circulator

Data sheet

Equipment/function

Pump curves

Dimensions and dimensions drawings

Yonos MAXO-D 50-0,5/12

Wiring diagram

1~230V, 50/60 Hz

Ordering information

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Mechanical accessories

Counter flange kit

Intermediate flange connecting piece F

Blind flanges, glandless pump

Electrical accessories

Connect module Yonos MAXO