MADDALENA GRADUS User Manual Download Page 1 | Manualshive

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MADDALENA GRADUS User Manual Download Page 1

Rev. 1 02/15

Electronic Heat Cost Allocator

GRADUS

User Manual

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Summary of Contents for GRADUS

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

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Page 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 DEC...

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Page 5: ...s 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 dis...

Page 6: ...art date for the start of counting is programmed in GRADUS then GO dd mm e g GO 01 09 appears on the display and remains until reaching the starting month fig 1 D After the completion of the internal configuration or upon reaching the preset starting month the display cycle starts 5 2 und 5 3 Make sure that the GRADUS is permanently attached to the required mounting location Make sure that the EHK...

Page 7: ...dard 7 segments elements have been expanded by including more segments to increase the readability of the status indicators These are visible in the segment test and are shown below 5 3 Further status displays The following status displays are shown for information purposes in addition to the standard display cycle when parameterized or a mode changes is initiated by internal algorithm 1 sensor mo...

Page 8: ...6 CONSUMPTION CALCULATION Due to the radiator exponent is part of the calculation algorithm and thus a basis for calculating of the counting process of the GRADUS the following formula is used to calculate the consumption value consumption value display value Kc KQ 7 DETECTION OF ACCUMULATED HEAT The detection of accumulated heat is carried out by the internal calculation algorithm Here are severa...

Page 9: ...for installation from the heat conductors or fitted again after the end of the mounting time frame the display shows OPEN C in the display cycle Here manipulation is suspected The OPEN C hint persists after re install the GRADUS and will appear in the display cycle By using the Device Monitor software register parameterization reset removal detection the hint OPEN C can be reset The display briefl...

Page 10: ...arly LTE mobile radio standard wi fi routers baby monitors remote control units electric motors etc In addition the construction of the building has a strong influence on the transmission range and coverage The factory setting of the clock in the heat cost allocator is standard winter Central European Time GMT 1 There is no automatic changeover to daylight savings summer time The radio function is...

Page 11: ...ting mode into this hint mode and the appendant hints are shown permanently in the display The hints are shown generally with an H put in front and the hint code for example H 02 The device recognizes eight hint causes possible that can also occur in combination with each other Hint Description H 01 Memory error during access to database an error occurred H 02 Unexpected reset by POR RAM parity ac...

Page 12: ...arried out The register for consumption is not being updated A defect on the calculator circuit board Short circuit of one of the measuring sensors No calculations are carried out The register for consumption is not being updated A defect on the calculator circuit board Reset by watch dog timer No influence to the calculation The measurements since the last storage of data in the E2 PROM are lost ...

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