English
Installation and operating instructions Wilo-Control EC-Drain PD1 13
Installation and operating instructions
1 General
About this document
The language of the original operating instruc-
tions is German. All other languages of these 
instructions are translations of the original oper-
ating instructions.
These installation and operating instructions are 
an integral part of the product. They must be kept 
readily available at the place where the product is 
installed. Strict adherence to these instructions is 
a precondition for the proper use and correct 
operation of the product.
These installation and operating instructions cor-
respond to the relevant version of the product and 
the underlying safety standards valid at the time 
of going to print.
EC declaration of conformity
A copy of the EC declaration of conformity is a 
component of these operating instructions.
This Declaration ceases to remain valid in the 
event of the performance of a technical change 
without our agreement to the designs specified 
there, as in the event of the negligence of the 
declarations on the safety of product/personnel 
specified in the Installation and operating instruc-
tions.
2Safety
These operating instructions contain basic infor-
mation which must be adhered to during installa-
tion, operation and maintenance. For this reason, 
these operating instructions must, without fail, be 
read by the service technician and the responsible 
specialist/operator before installation and com-
missioning.
It is not only the general safety instructions listed 
under the main point “safety” that must be 
adhered to but also the special safety instructions 
with danger symbols included under the following 
main points.
2.1 Indication of instructions in the operating 
instructions
Symbols:
General danger symbol
Danger from electrical voltage
NOTE 
Signal words:
DANGER!
Acutely dangerous situation
Non-observance results in death or the most 
serious of injuries.
WARNING!
The user can suffer (serious) injuries. “Warning” 
implies that (serious) injury to persons is proba-
ble if this information is disregarded.
CAUTION!
There is a risk of damaging the product/unit. 
“Caution” implies that damage to the product is 
likely if this information is disregarded.
NOTE: Useful information on handling the prod-
uct. It draws attention to possible problems.
Information that appears directly on the product, 
such as
• Direction of rotation arrow,
• Identifiers for connections,
• Rating plate,
• Warning sticker
must be strictly complied with and kept in legible 
condition.
2.2 Personnel qualifications
The installation, operating and maintenance per-
sonnel must have the appropriate qualifications 
for this work. Area of responsibility, terms of ref-
erence and monitoring of the personnel are to be 
ensured by the operator. If the personnel are not in 
possession of the necessary knowledge, they are 
to be trained and instructed. This can be accom-
plished if necessary by the manufacturer of the 
product at the request of the operator.
2.3 Danger in the event of non-observance of the 
safety instructions
Non-observance of the safety instructions can 
result in risk of injury to persons and damage to 
the environment and the product/unit. Non-
observance of the safety instructions results in 
the loss of any claims to damages.
In particular, lack of care may lead to problems 
such as:
• Danger to persons from electrical, mechanical and 
bacteriological influences,
• Damage to the environment due to leakage of 
hazardous materials.
• Property damage
• Failure of important product/unit functions.
• Failure of required maintenance and repair proce-
dures.
2.4 Safety consciousness on the job
The safety instructions included in these installa-
tion and operating instructions, the existing 
national regulations for accident prevention 
together with any internal working, operating and 
safety regulations of the operator are to be com-
plied with.