MADDALENA GRADUS User manual

Rev. 1 02/15
Electronic Heat Cost Allocator
GRADUS
User Manual

1
Table of Contents
1 APPLICATION AND FUNCTION...................................................................................................................3
2 CONTENTS OF PACKAGE............................................................................................................................3
3 GENERAL INFORMATION...........................................................................................................................3
4 GENERAL MOUNTING INFORMATION........................................................................................................3
5 DISPLAY / DISPLAY CYCLE..........................................................................................................................4
5.1 Display before and during installation..................................................................................................................4
5.2 Default display of GRADUS after installation........................................................................................................5
5.3 Further status displays..........................................................................................................................................5
6 CONSUMPTION CALCULATION ..................................................................................................................6
7 DETECTION OF ACCUMULATED HEAT ........................................................................................................6
8 PLUG ON / MANIPULATION DETECTION ....................................................................................................7
9 TECHNICAL DATA......................................................................................................................................7
10 INTERFACES AND OPTIONS .......................................................................................................................8
10.1 Optical (infrared) interface ...................................................................................................................................8
10.2 Radio interface wireless M-Bus (optional)............................................................................................................8
10.2.1 Technical data radio......................................................................................................................................8
10.2.2 Radio configuration.......................................................................................................................................8
10.2.3 Activation of the radio interface...................................................................................................................9
11 HINT FLAGS ..............................................................................................................................................9
11.1 Hint description...................................................................................................................................................10
12 DECLARATION OF CONFORMITY..............................................................................................................10
13 MANUFACTURER....................................................................................................................................10
14 CONTACT................................................................................................................................................10

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1APPLICATION AND FUNCTION
This heat cost allocator is designed for the measurement of the consumed thermal energy on radiators and pipes in
a heating system.
2CONTENTS OF PACKAGE
-40 electronic heat cost allocators
-1 package with 40 seals
-1 mounting manual
The heat conductors have to be ordered separately! A package of heat conductors contains 40 pieces.
Article codes, mounting accessories and additional equipment you can find in the mounting instructions and the
prices list.
3GENERAL INFORMATION
-The technical regulations of EN 834 must be observed.
-This product fulfils the requirements of the European Council Directive on Electromagnetic Compatibility
(EMC Directive) 2004/108/EC.
-All information and requirements of the mounting manual, user manual and mounting instructions must be
observed.
-If the information and requirements in the mounting manual, user manual and mounting are not strictly
followed, or if the installation is shown to be faulty, any resulting expenses will be charged to the company
responsible for the installation.
-All specifications and instructions listed on the data sheet and in the Application Notes must be adhered to.
-Within a billing project, it is not permitted to use different types of heat cost allocators.
-Instruments with activated radio function are not allowed on air freight.
-The temperature sensor cables must not be kinked, rolled up, lengthened or shortened.
-To clean the heat cost allocator use a slightly moist cloth.
-To protect against damage and dirt the heat meter should only be removed from the packaging directly
before installation.
-Instruments which have been replaced or exchanged must be disposed of according to relevant
environmental regulations.
-It is important to note that the acknowledged state of the art technology rules and the relevant legal
restraints (international and local; see “Relevant Norms / Standards / Literature”) are to be observed.
-The installation has to be performed by authorized, skilled persons.
-The heat cost allocator left the factory in conformance with all applicable safety regulations. All
maintenance and repair work is to be carried out only by qualified and authorized technical personnel.
-Further information can be obtained at www.engelmann.de.
4GENERAL MOUNTING INFORMATION
-All information and requirements of the mounting manual and mounting instructions must be observed.
-The different types of installation and the mounting accessories to be used in each case are listed in the
mounting instructions.
-After installation of the heat conductor mount the heat cost allocator.
-Insert the seal into the opening on the underside.
-The heat cost allocator starts the operation mode automatically (plug on detection).