en
DN 65
Screw diameter
M 12
Strength class
≥ 4.6
Tightening torque
40 Nm
Screw length
≥ 60 mm
Table 2: Flange fixation PN 6
Flange-end pump PN 10 and PN 16 (no combination flange)
DN 32
Screw diameter
M 16
Strength class
≥ 4.6
Tightening torque
95 Nm
Screw length
≥ 60 mm
DN 65
Screw diameter
M 16
Strength class
≥ 4.6
Tightening torque
95 Nm
Screw length
≥ 65 mm
Table 3: Flange fixation PN 10 and PN 16
Never interconnect 2 combination flanges.
5.6
Insulating
Only use thermal insulation shells (optional accessories) in heating
and domestic hot water circulation applications with a fluid tem-
26
DN 80
DN 100
M16
M16
≥ 4.6
≥ 4.6
95 Nm
95 Nm
≥ 70 mm
≥ 70 mm
DN 40
DN 50
M 16
M 16
≥ 4.6
≥ 4.6
95 Nm
95 Nm
≥ 60 mm
≥ 65 mm
DN 80
DN 100
M 16
M 16
≥ 4.6
≥ 4.6
95 Nm
95 Nm
≥ 70 mm
≥ 70 mm
perature > 20 °C. For cooling and air-conditioning applications, use
standard diffusion-proof insulation materials. Keep condensation
drain unobstructed ➜ Fig. 11.
5.7
Following installation
1.
Check impermeability of the pipe/flange connection.
6
Connect
6.1
Personnel requisition
ƒ
Electrical work: Electrical work must be performed by a quali-
fied electrician.
6.2
Requirements
NOTICE
Nationally applicable guidelines, standards and regu-
lations as well as the requirements of local energy
supply companies must be observed!
CAUTION
Incorrect connection
Wrong connection of the pump leads to damage to
the electronics.
ƒ
Observe the current type and voltage on the rating plate.
ƒ
Connect to 230 V low-voltage networks. When connecting to
IT networks (Isolé Terre electrical system), always make sure
WILO SE 2022-03