Wilo Yonos MAXO User Manual

en
18 Installation and operating instructions • Wilo-Yonos MAXO/-D/-Z • Ed.01/2022-08
Nominal diameter Fluid temperature
-20°C to +50°C
0°C to +50°C
1)
up to +95°C up to +110°C
DN50 0.5bar 1.2bar 1.8bar
DN65 0.7bar 1.5bar 2.3bar
DN80 0.7bar 1.5bar 2.3bar
DN100 0.7bar 1.5bar 2.3bar
Table2: Min. inlet pressure
1)
Yonos MAXO-Z
NOTICE
Effective up to 300m above sea level. For higher altitudes +0.01bar/100m.
For higher fluid temperatures, fluids of lower density, higher flow resistances or lower air pres-
sure, adjust the values accordingly.
The maximum installation height is 2000metres above MSL.
5.5 Scope of delivery
• Pump
• 8x washer M12 (only flange-end pump)
• 8x washer M16 (only flange-end pump)
• 2x flat gasket (only threaded pipe union pump)
• Installation and operating instructions
5.6 Accessories
• Wilo-Connect module Yonos MAXO
• Wilo-Control to display the differential pressure
• Thermal insulation shell (for single pumps only)
See catalogue for detailed list.
5.7 Functional extension
The Wilo-Connect module Yonos MAXO as retrofittable plug-in module (accessories) extends the pump func-
tions to include:
• SBM collective run signal as potential-free NO contact
• Control input “Overriding Off” (“Ext. Off”) for potential-free NC contact
• Main/standby operation with running time-dependent switchover for twin-head pump operation
For technical details see Wilo-Connect module Yonos MAXO installation and operating instructions.

Wilo Yonos MAXO Specifications

General

Model	Yonos MAXO
Category	Water Pump
Protection Class	IPX4D
Max. Operating Pressure	10 bar
Frequency	50/60 Hz
Temperature Range	-20°C to +110°C
Energy Efficiency Index (EEI)	≤ 0.23
Application	Heating, cooling, and solar systems
Operating Modes	Constant pressure
Motor Protection	Integrated
Materials	Cast iron, stainless steel
Voltage	230 V
Ambient Temperature	Up to +40°C
Connection Size	DN 25
Power Supply	1~230 V, 3~400 V (depending on the model)