2
EN
ENGLISH
HKF25-IM-DE-W-UK-11-2020-Rev.0 | Part no. 10027337
1 General information
1.1 Important information
The operator is responsible for ensuring
adherence to the local laws and regulations
(e.g. accident prevention regulations, etc.).
Incorrect operation or operating the pump
group contrary to the specifications shall
void all rights to any warranty claim.
This Installation and Operating Manual
• is a component of the pump group
• contains instructions and information on safe and correct
installation and commissioning of the pump group
• must be available to all users throughout the entire service
life of the pump group
• is intended for trained personnel who are familiar with the
applicable standards and provisions and, in particular, with
the relevant safety concepts and the operation and mainte-
nance of the pump group
• is protected by copyright and may not be changed without
the manufacturer’s permission
• may not be made accessible to non-authorized personnel;
neither in original form nor as a copy
1.2 Product conformity
A Declaration of Conformity according to the Machinery
Directive 2006/42/EC has been issued for this pump group
product.
1.3 Product features
• stable mounting bracket including mounting hardware
• patented 3-piece EPP insulating shell
• compact, space-saving design
Contents
1 General information ................................... 2
1.1 Important information .....................................................2
1.2 Product conformity .........................................................2
1.3 Product features .............................................................2
2 Safety ........................................................... 3
2.1 Presentation of the safety instructions............................3
2.2 Important safety instructions ..........................................3
2.3 Intended use ..................................................................3
2.4 Foreseeable misuse .......................................................3
2.5 Responsibilities of the operator ......................................3
2.6 Groups of persons .........................................................3
3 Technical data ............................................. 4
4 Pressure loss curve ................................... 5
5 Overall dimensions ..................................... 5
6 Construction ............................................... 6
7 Installation and commissioning ............... 6
7.1 Installation diagram ........................................................7
7.2 Installation ......................................................................7
7.3 Initial Commissioning......................................................7
7.4 Thermometer handle position ........................................7
7.5 Exchanging the supply and return line ...........................8
8 Maintenance ............................................... 9
8.1 Annual maintenance intervals .........................................9
8.2 Replacement of wear parts ............................................9
8.3 Disassembling the circulation pump ............................. 10
8.4 Installation of the circulation pump ............................... 10
8.5 Disassembling of the thermostatic mixing valve ........... 11
8.6 Installation of the thermostatic mixing valve ................. 11
9 Disposal ..................................................... 12
9.1 Return shipment to the manufacturer ........................... 12
9.2 Reporting to administrative bodies and manufacturer .. 12
10 Guarantee .................................................. 12