Safety
en
Installation and operating instructions Wilo-Yonos MAXO-Z
5
2.3
Type key
Example: Yonos MAXO-Z 40/0.5-12
Yonos MAXO
Pump designation
‐Z
Single pump for domestic hot water circula-
tion systems
40
Flange connection DN 40
0.5-12
0.5: Minimum delivery head in m
12: Maximum delivery head in m
at Q = 0 m³/h
2.4
Technical data
Fig. 2:
Technical data
Instruction
Value
Permissible fluid temperature
0 to 80 °C (short term (2 h)):
+110 °C)
Permitted ambient temperat-
ure
0 to +40 °C
Maximum relative humidity
95 %
Mains voltage
1~ 230 V +/-10 % 50/60 Hz
Residual current ∆I
≤ 3.5 mA
Electromagnetic compatibility
Emitted interference in acc.
with:
EN 61800-3:2004+A1:2012 /
residential area (C1)
Interference resistance in acc.
with:
Instruction
Value
EN 61800-3:2004+A1:2012 /
industrial environment (C2)
Emissions-sound-pressure
level
< 52 dB(A)
For further instructions see rating plate and catalogue.
2.5
Min. inlet pressure
Nominal dia-
meter
Fluid temperature
0 to +50 °C
up to +95 °C
up to +110 °C
RP 1
0.3 bar
1.0 bar
1.6 bar
RP 1¼
0.3 bar
1.0 bar
1.6 bar
DN 40
0.5 bar
1.2 bar
1.8 bar
DN 50
0.5 bar
1.2 bar
1.8 bar
DN 65
0.7 bar
1.5 bar
2.3 bar
NOTICE
Effective up to 300 m above sea-level. For higher
pos0.01 bar/100 m.
3
Safety
3.1
Intended use
Use
Circulators from the Yonos MAXO-Z series may only be
used for pumping liquids in domestic hot water circula-
tion systems.
Permitted liquids
▪ Drinking water acc. to EC Drinking Water Directive.
▪ Drinking water and water according to the drinking wa-
ter ordinance for Germany (TrinkwV).
CAUTION
Material damage!
Chemical disinfectants can result in damage to ma-
terial.
Permitted temperatures
0 °C to +80 °C
3.2
Misuse
WARNING! Misuse of the pump can lead to dangerous
situations and damage.
▪ Never use non-specified fluids.
▪ Highly flammable materials/fluids should always be
kept at a safe distance from the product.
