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Installation and operating instructions • Wilo-Flumen OPTI-TR 50-3 ... 120-1, Wilo-Flumen EXCEL-TRE 50-3 ... 90-2 • Ed.01/2022-07
Further steps for troubleshooting
If the points listed here do not rectify the fault, contact customer service. Customer service
can assist in the following ways:
•
Telephone or written support.
•
On-site support.
•
Inspection and repair at the factory.
Costs may be incurred if you request customer services! Please contact customer services
for more information.
11
Spare parts
Spare parts are ordered via customer service. To avoid return queries and incorrect orders,
the serial or article number must always be supplied.
Subject to change without prior no-
tice!
12
Disposal
12.1
Oils and lubricants
Operating fluid must be collected in suitable tanks and disposed of in accordance with the
locally applicable guidelines. Wipe up drips immediately!
12.2
Protective clothing
Used protective clothing must be disposed off in accordance with the locally applicable
guidelines.
12.3
Information on the collection of
used electrical and electronic
products
Proper disposal and appropriate recycling of this product prevents damage to the environ-
ment and danger to your personal health.
NOTICE
Disposal in domestic waste is prohibited!
In the European Union this symbol may be included on the product, the
packaging or the accompanying documentation. It means that the elec-
trical and electronic products in question must not be disposed of along
with domestic waste.
To ensure proper handling, recycling and disposal of the used products in question, please
note the following points:
•
Hand over these products at designated, certified collection points only.
•
Observe the locally applicable regulations!
Please consult your local municipality, the nearest waste disposal site, or the dealer who
sold the product to you for information on proper disposal. See www.wilo‑recycling.com
for more information about recycling.
13
Appendix
13.1
Tightening torques
Rust-free screws A2/A4
Threaded
Tightening torque
Nm
kp m
ft·lb
M5
5.5
0.56
4
M6
7.5
0.76
5.5
M8
18.5
1.89
13.5
M10
37
3.77
27.5
M12
57
5.81
42
M16
135
13.77
100
M20
230
23.45
170
M24
285
29.06
210
M27
415
42.31
306
M30
565
57.61
417
If a Nord-Lock screw locking device is used, increase the tightening torque by 10 %!