Wilo Yonos MAXO Instrucciones De Instalación Y Funcionamiento página 53

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
M6x18
M6x22
M10x30
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.
Insulation of the pump in cooling/air-conditioning systems
For cooling and air-conditioning applications, use standard diffusion-proof insulation materials.
Installation and operating instructions • Wilo-Yonos MAXO/-D/-Z • Ed.01/2022-08
Tightening torque in Nm
10
10
18-20
en
53