en
Installation and operating instructions • Wilo-Yonos MAXO/-D/-Z • Ed.01/2022-08
23
2.
Insert the pump into the pipe together with two suitable flat gaskets in such a way that the flanges can
be screwed to the pump inlet and outlet (Fig. VI).
Observe direction of flow!
The arrow-shaped flow indicator on the pump housing must point in the dir-
ection of flow.
3.
Screw the flanges together in a crosswise manner, in two steps using suitable screws and the supplied
washers (Fig. VII). Observe specified tightening torques!
4.
Open the shut-off valves in front of and behind the pump (Fig. V).
5.
Check impermeability.
6.5.3 Aligning the motor head
The motor head must be aligned according to installation position (Fig. VIII).
1.
Check permissible installation positions (see chapter “Permissible installation positions”).
2.
Dismantle motor head and carefully turn.
⇒
Do not remove the motor head from the pump housing.
3.
Subsequently, tighten motor fastening screws diagonally. Observe the tightening torques!
CAUTION
Leakage!
Damage to the gasket causes leakage.
• Do not remove the gasket.
• Replace the damaged gasket.
Screw
Tightening torque in Nm
M6x18
10
M6x22
10
M10x30
18-20
Table 3:
Tightening torques for motor fastening screws
6.5.4 Insulation
Insulation of the pump in heating systems and domestic hot water circulation applications
WARNING
Risk of burns from hot surfaces!
The entire pump can become very hot. When retrofitting the insulation during ongoing opera-
tion, there is a risk of burns!
• Allow the pump to cool down before commencing any work.
Only use thermal insulation shells (optional accessories) in heating and domestic hot water circulation applica-
tions with a fluid temperature > 20 °C.
Summary of Contents for Yonos MAXO
Page 3: ...Fig I Fig II Fig III Fig IV Fig V Fig VI...
Page 4: ...Fig VII Fig VIII Fig IX Fig X Fig XI Fig XII...
Page 5: ...Fig XIII Fig XIV Fig XV Fig XVI...
Page 6: ......
Page 36: ......
Page 37: ......
Page 38: ......
Page 39: ......
