Description Of The Pump; Type Key; Technical Data; Min. Inlet Pressure - Wilo Yonos MAXO Installation And Operating Instructions Manual

en
Definition of "qualified electrician"
A qualified electrician is a person with appropriate technical educa-
tion, knowledge and experience who can identify and prevent elec-
trical hazards.
2

Description of the pump

The high-efficiency pump in the single or twin-head pump version
with flange or threaded pipe union is a glandless pump with per-
manent magnet rotor and integrated differential pressure control.
Power limit
The pump is fitted with a power-limiting function which prevents
overload. This may have an operational influence on the delivery
rate.
2.1

Type key

Example: Yonos MAXO-D 32/0.5-11
Pump designation
Yonos MAXO
Single pump (without code letter)
Twin-head pump
-D
Single pump for domestic hot water circula-
-Z
tion systems
Flange connection DN 32
32
0.5: Minimum delivery head in m
0.5-11 11: Maximum delivery head in m
at Q = 0 m³/h
18
2.2

Technical data

➜ Fig. 3a and 3b
For further instructions see rating plate and catalogue.
2.3

Min. inlet pressure

Nominal dia-
meter
-20 °C to +50 °C
0 °C to +50 °C
0.3 bar
RP 1
0.3 bar
RP 1¼
0.3 bar
DN 32
0.5 bar
DN 40
0.5 bar
DN 50
0.7 bar
DN 65
0.7 bar
DN 80
0.7 bar
DN 100
Table 1: Min. inlet pressure
1)
Yonos MAXO-Z
Fluid temperature
up to +95 °C up to +110 °C
1)
1.0 bar 1.6 bar
1.0 bar 1.6 bar
1.0 bar 1.6 bar
1.2 bar 1.8 bar
1.2 bar 1.8 bar
1.5 bar 2.3 bar
1.5 bar 2.3 bar
1.5 bar 2.3 bar
WILO SE 2020-12