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Valves, co systems
Combined control and regulating valve
“Cocon QTZ“
Installation and operating instructions for the specialized installer
Read installation and operating instructions carefully
before installing the regulating valve!
The installation and operating instructions as well as all
other valid documents have to remain with the user of
the system!
1. General information
1.1. Information regarding installation and operating
instructions
These installation and operating instructions serve to assist
the installer when installing the presure indepedent control
valve and setting it into operation.
Other valid documents:
Manuals of all system components.
1.2. Keeping of documents
These installation and operating instructions should be kept
by the user of the system.
Content:
1. General information........................................................ 1
2. Safety notes ................................................................... 1
3. Transport, storage, packaging ....................................... 2
4. Technical data ................................................................ 2
5. Construction and function ............................................. 2
6. Installation ...................................................................... 4
7. Operation........................................................................ 4
8. Maintenance................................................................... 4
9. Warranty ......................................................................... 4
Illus. 1. Combined control and regulating valve “Cocon QTZ“
1.3. Symbol explanation
Safety guidelines are displayed by symbols. These guide-
lines are to be observed to avoid accidents, damage to
property and malfunctions.
OVENTROP GmbH & Co. KG
Paul-Oventrop-Straße 1
D-59939 Olsberg
Telefon +49(0)2962 82-0
Telefax +49(0)2962 82-400
E.Mail [email protected]
Internet www.oventrop.com
Subject to technical modification without notice.
167611081 10/2016
1.4. Copyright
The installation and operating instructions are copyrighted.
2. Safety notes
2.1. Correct use
Safety in operation is only guaranteed if the valve is used
correctly.
The combined control and regulating valve “Cocon QTZ“ is
designed to be installed in heating and cooling systems with
a closed water circuit (e.g. central or underfloor heating sys-
tems, fan coil units, chilled ceilings, fan convectors etc.).
It operates as an automatic flow and pressure independent
control (hydronic balancing) and can control another vari-
able (e.g. room thermostat) by modifying the flow rate in
conjunction with actuators, thermostats and temperature
controllers.
Any use of the “Cocon QTZ” outside of the above circum-
stances will be considered as non-compliant and misuse.
Claims of any kind against the manufacturer and/or his
authorised representative due to damages caused by incor-
rect use cannot be accepted.
The observance of the operating and maintenance instruc-
tions is part of the compliance terms.
2.2. Possible dangers at the installation location
DANGER
DANGER indicates a hazardous situation
which, if not avoided, will result in death or
serious injury.
WARNING
WARNING indicates a hazardous situation
which, if not avoided, could result in death
or serious injury.
CAUTION
CAUTION indicates a hazardous situation
which, if not avoided, may result in minor or
moderate injury.
NOTICE
NOTICE indicates a situation which, if not
addressed, may result in property damage.
WARNING
Hot surfaces
The valve may get very hot during operation. Do not
touch without safety gloves.
WARNING
Sharp threads
The valve’s threads are sharp. Do not touch without
safety gloves.
WARNING
Small pieces
Store and install the valve out of reach of children.
WARNING
Heavy valve
Wear safety shoes to protect your feet during installation.
WARNING
Allergies
Don’t touch the valve and avoid any contact if allergies
against the used materials are known.
EN
The case of an external fire has not been taken into con-
sideration when constructing the valve.