PAW HeatBloC K34R User manual

PAW GmbH & Co. KG
Böcklerstr. 11, 31789 Hameln - Germany
Phone: [phone], Fax: [phone]
E-mail: [email protected], Web: www.paw.eu
2021/07 993x0663Mx-mub-en – V01 1
DN 25
DN 32
Installation and Operation
Instructions
HeatBloC® K34R
DN 25 / DN 32

1General Information
2 993x0663Mx-mub-en – V01 2021/07
Item no. 993x0663Mx-mub-en – Version V01 – Issued 2021/07
Translation of the original instructions
We reserve the right to make technical changes without notice!
Printed in Germany – Copyright by PAW GmbH & Co. KG
PAW GmbH & Co. KG
Böcklerstraße 11
31789 Hameln - Germany

1General Information
2021/07 993x0663Mx-mub-en – V01 3
Contents
1General Information.........................................................................................................4
1.1 Scope of these instructions ..........................................................................................4
1.2 Designated use ............................................................................................................4
2Safety instructions ...........................................................................................................5
3Product description..........................................................................................................6
3.1 Equipment....................................................................................................................7
3.2 Function .......................................................................................................................8
3.2.1 Check valve and non-return valve .......................................................................10
3.2.2 Pump [specialist].................................................................................................11
3.2.3 3-way mixing valve [specialist] ............................................................................11
3.3 Weather compensated controller PWR6.....................................................................15
3.4 Settings for the weather compensated controller PWR6 when used as return flow
temperature maintenance .....................................................................................................15
3.5 Installation of the weather compensated controller PWR6..........................................16
4Mounting and installation [specialist] ..............................................................................17
4.1 Installation and commissioning of the HeatBloC® ......................................................17
4.2 Accessories: Cutting-ring compression fitting (not included in the scope of delivery).. 20
5Scope of delivery [specialist]..........................................................................................21
5.1 Spare parts DN 25 .....................................................................................................21
5.2 Spare parts DN 32 .....................................................................................................23
6Technical data...............................................................................................................25
6.1 Pressure drop and pump characteristic curves DN 25................................................ 26
6.2 Pressure drop and pump characteristic curves DN 32................................................ 26
7Disposal........................................................................................................................27

1General Information
4 993x0663Mx-mub-en – V01 2021/07
1General Information
Carefully read these instructions before installation and commissioning. Save these
instructions in the vicinity of the installation for future reference.
1.1 Scope of these instructions
These instructions describe the installation, commissioning, function and the operation of the
mixed HeatBloC® K34R DN 25 and DN 32.
For other components of the installation, such as the pump, the controller or the modular
distribution manifold, please observe the instructions of the corresponding manufacturer.
The chapters called [specialist] are intended for specialists only.
1.2 Designated use
The HeatBloC® may only be used in heating circuits taking into consideration the technical limit
values indicated in these instructions.
The HeatBloC® must not be used in drinking water applications.
Improper usage of the HeatBloC® excludes any liability claims.
This product complies with the relevant directives and is therefore labelled with the CE mark.
The Declaration of Conformity is available upon request, please contact the manufacturer.
Only use PAW accessories with the HeatBloC®.

2Safety instructions
2021/07 993x0663Mx-mub-en – V01 5
2Safety instructions
The installation and commissioning as well as the connection of electrical components require
technical knowledge commensurate with a recognised vocational qualification as a fitter for
plumbing, heating and air conditioning technology, or a profession requiring a comparable level
of knowledge [specialist].
The following must be observed during installation and commissioning:
•relevant local and national regulations
•accident prevention regulations of the professional association
•instructions and safety instructions mentioned in these instructions
CAUTION
Personal injury and damage to property!
The HeatBloC® must only be used in heating circuits filled with heating water
according to VDI 2035 / Ö-Norm H 5195-1.
The HeatBloC® must
not
be used in drinking water applications.
ATTENTION
Material damage due to mineral oils!
Mineral oil products cause lasting damage to seals made of EPDM, whereby the sealant
properties are lost. We do not assume liability nor provide warranty for damage to property
resulting from sealants damaged in this way.
It is imperative to prevent the EPDM sealing elements from making contact with
substances containing mineral oils.
Use a silicone- or polyalkylene-based lubricant free of mineral oil such as Unisilikon
L250L and Syntheso Glep 1 from Klüber or a silicone spray.