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General Notes

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General Notes

Note

:

In the following text, the term "meter" is used to refer to both

the heating meter as well as the cooling meter unless otherwise
stated.

The meter has left the factory in a technically safe condition. Adjustments,
maintenance work, replacement of parts or repairs may only be carried out by
specialist staff who are aware of the associated hazards. Further technical
support is provided by the manufacturer on request. The meter's calibration-
relevant security symbols must not be damaged or removed. Otherwise, the
warranty and calibration validity of the meter will be invalidated.

Other available documentations

•

Operating instructions T450

•

Installation instructions T450

•

Service instructions T450

•

Respective module manual

•

List of accessories

Additional

information’s are available on request.

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Содержание T450

Страница 1: ...ULTRAHEAT T450 ULTRACOLD T450 Technical Description 32 21 101 001 a Date 26 02 2020 Landis Gyr GmbH Static Heat and Cooling Meter T450 Residential local and district heating ...

Страница 2: ...splay priority rating____________________________________________________19 8 Power supply____________________________________________________________19 Power supply requirements ________________________________________________ 20 Dynamical calculation of battery life__________________________________________ 20 9 Communication__________________________________________________________20 Electronic...

Страница 3: ...Contents 3 36 ...

Страница 4: ...arried out by specialist staff who are aware of the associated hazards Further technical support is provided by the manufacturer on request The meter s calibration relevant security symbols must not be damaged or removed Otherwise the warranty and calibration validity of the meter will be invalidated Other available documentations Operating instructions T450 Installation instructions T450 Service ...

Страница 5: ...ation and operation of meters in heating cooling systems may install and remove the meter Only install or remove the meter on an unpressurised system After installing the meter check the leak tightness of the system Breaking the safety marks relevant for calibration voids the warranty and the validity of the calibration Avoid contact of the meter housing with silicone oils or substances containing...

Страница 6: ...ulations and laws regarding disposal After lithium batteries have been used you can return them to the manufacturer for proper disposal When shipping batteries please observe legal regulations which among other things govern the labelling and packaging of hazardous goods Do not open the batteries Do not bring batteries into contact with water or expose to temperatures exceeding 80 C The meter has ...

Страница 7: ...l e g M Bus Separability Always removable cable length op tional Temperature sensor Type Pt500 or Pt100 EN 60751 Temperature range 0 150 C up to 45 mm overall length 0 180 C as of 100 mm overall length Volume measurement unit Protection class IP 54 IP 65 IP 68 optional EN 60529 Installation site Hot side cold side parameterizable Installation position Any Measuring range 1 100 Temperature range 5 ...

Страница 8: ...Dimensions 8 36 4 Dimensions Fig 1 Dimensions of calculator Fig 2 Plan view and cross section of adapter plate ...

Страница 9: ...Dimensions 9 36 Fig 3 Overview dimensions overall length 110 mm Fig 4 Overview dimensions overall length 130 mm thread Fig 5 Overview dimensions overall length 190 mm thread ...

Страница 10: ...emperature sensors and screw connections to prevent manipulation Remove the rubber band from the volume measuring part During opera tion the temperature sensor cable and control line should not be in direct contact with the volume measuring part If you install the meter as a cooling meter follow the corresponding instruc tions Recommendation If you install several meters the same installation cond...

Страница 11: ...st the temperature sensors according to the installation requirements Installation recommendations During installation make sure that water cannot enter into the calculator during operation Inlet or outlet sections are not necessary but are recommended If you install the meter in the common return of two circuits select an instal lation location with a minimum distance of 10 DN from the T piece Th...

Страница 12: ...connection into the installation point as far as it will go tightening torque 3 5 Nm Fig 9 Mounting adapter set Torques Please note the following torques for tightening the screws and nuts on the meter Screw on the device cover Fig 1 No 4 min 1 Nm All other screws Hand tightened to approx 0 5 Nm Installation for cooling meters and combined heat cooling meters To prevent condensation from forming o...

Страница 13: ... the volume measurement unit is in dicated on the calculator dial plate e g IP54 68 The first specification IP54 in the example refers to the protection class of the calculator and the second specification IP68 in the example to the protection class of the volume meas uring unit ...

Страница 14: ...6 LCD 7 Service button To call up the parametriza tion operation of the meter Accessible after re moving the cover 6 1 Displaying current meter status The meter displays the current meter status in kWh MWh MJ or GJ Note To avoid reading errors the decimal places of displayed values are marked by a frame Note Calibrated values can be recognized by an additionally displayed star symbol S12 Note Depe...

Страница 15: ...s S12 Calibrated value S14 Place of installation return S15 Place of installation flow S17 Meter type Heat meter or combined heat cooling meter S18 Meter type Cooling meter S21 Current flow rate S22 Error message S23 Power supply Mains S24 S26 Power supply Battery with capacity indicator S27 Module identifier S28 Current loop display LOOP S29 S32 Tariff display 13 15 Current display code LCD ID ...

Страница 16: ... no error Current energy quantity here kWh heat meter installation location Return flow tar iff on Current volume Current value tariff register 1 only if tariff was selected Current value tariff register 2 only if tariff was selected Current value tariff register 3 only if tariff was selected Segment test Firmware version CRC CMAC ...

Страница 17: ...on Previous year value volume incorrect installation Yearly set date 6 3 Monthly values The meter saves the following values on the monthly set day for up to 24 months Previous month minimum temperature hot side Previous month minimum temperature cold side Previous month maximum flow rate Previous month maximum power Previous month maximum temperature hot side Previous month maximum temperature co...

Страница 18: ...th value energy Mid month value volume Mid month value tariff register 1 Mid month value tariff register 2 Mid month value tariff register 3 Mid month value volume pulse input 1 Mid month value volume pulse input 2 Mid month set date ...

Страница 19: ...0000 001 00000001 00000 001 00000001 00000 001 2 5 00000001 00000 001 00000001 00000 001 00000001 00000 001 The following selectable standard display resolution are used for the volume Nominal flow Volume Volume m h m gal 0 6 000000 01 00000001 1 5 000000 01 00000001 2 5 000000 01 00000001 8 Power supply Note The lifetime of battery depends on the type of battery and on the requirements Note When ...

Страница 20: ...life Hinweis Alternatively the date month year of the battery change can be transmitted via M Bus and radio The dynamic battery life calculation estimates the expected remaining battery life The calculation is based on the consumption and parametrization of the meter In case that the parametrization is changed the adjustment automatically af fects the prospective battery life If the meter detects ...

Страница 21: ...9 1 Pulse module Note The output mode as well as standard or high resolution pulses can be parameterized via UltraAssist The pulse output module T45 PULSE enables the output of pulses on 2 con figurable channels On channel 1 terminal 16 17 energy CE volume CV or tariff register 1 C1 pulses can be output On channel 2 terminal 18 19 volume CV tariff register 1 C1 or tariff register 2 C2 pulses can b...

Страница 22: ...nterface Standard EN 13757 2 Conformity OMS Separation Connec tion Galvanically coupled Power consumption Max 1 M Bus load 1 5 mA Addressing meter Primary or secondary Addressing pulse in puts Primary or secondary Readout frequency 300 Bd and 2400 Bd with automatic baud rate detection 9 3 Radio Module 868 MHz Wireless M Bus The wireless M Bus function enables the meter to communicate with a statio...

Страница 23: ...sec 24 h configurable Encryption Without safety profile A encryption mode 5 or safety profile B encryption mode 7 Range Free field Up to max 400 m Within building E g horizontal 30 Meter Power supply Via meter 1 4 battery type AA Battery life Radio mobile 30 sec 16 years life span Radio stationary 15 min 20 years life span 1 Open Metering System May vary depending on terrain and building structure...

Страница 24: ...ater meter and or a hot water meter The pulse inputs can be output via the 868 MHz radio module the M Bus module or the optical interface The meter readings of the pulse inputs are also indicated on the LCD Standard Class IB IC according to EN 1434 2 Max cable length 10 m External connection Open Drain Pulse input 1 signal on terminal 65 mass on ter minal 66 Pulse input 2 signal on terminal 67 mas...

Страница 25: ...olume Fig 13 Threshold value tariffs Summation in the relevant tariff register is only performed if the relevant threshold is exceeded Threshold 1 exceeded Summation in tariff register 1 Threshold 1 and 2 exceeded Summation in tariff register 2 Threshold 1 2 and 3 exceeded Summation in tariff register 3 Supplied quantity of energy tariff T6 In tariff register 1 the energy is summated up which is c...

Страница 26: ...ture cold side in tariff registers 1 or 2 The summated quantity of energy is calculated from the difference of the tem perature cold side from the defined return temperature threshold instead of from the temperature difference Above return threshold T1 is summated Below return threshold T2 is summated Volume weighted temperature Tarif T14 The result of multiplying the volume by the temperature of ...

Страница 27: ...ace if necessary Temperature sensor cold side interruption Check temperature sensor cold side replace if necessary PCB for temperature evaluation defective Change the meter Battery empty power supply problem Replace battery check connec tion Short circuit temperature sensor hot side Check hot side of temperature sensor replace if necessary Short circuit temperature sensor cold side Check temperatu...

Страница 28: ...Error messages 28 36 Note Reset the message F8 in the parameterization mode man ually or with UltraAssist All other error messages are automati cally deleted after the error has been corrected ...

Страница 29: ...nthly register the error states are stored for the current month and for the past 18 months without time stamp Description F0 Flow measurement not possible F1 Interruption hot side temperature sensor F2 Interruption cold side temperature sensor F3 Electronics for temperature evaluation defective F4 Battery status critical F5 Short circuit hot side temperature sensor F6 Short circuit cold side temp...

Страница 30: ...ve flow E8 Negative temperature difference E9 Bubbles detected in the flow E10 Commissioning P0 Calibration seal set P1 Reset of max min average values P2 Reset of time counters P3 Reset of tariff registers P4 Reset of datalogger P5 Calibration values parameterized P6 Meter time date set P7 Set day parameterization P8 Master reset P9 LCD parameterization P10 Tariff parameterization P11 Leakage det...

Страница 31: ...Log functions 31 36 P14 Pulse output parameterization P15 M Bus parameterization P16 wM Bus parameterization ...

Страница 32: ...N25 connection G 1 B 09 Nominal flowrate 1 5 m h length 110 mm nominal pressure PN16 connection G B 21 Nominal flowrate 1 5 m h length 110 mm nominal pressure PN25 connection G B 22 Nominal flowrate 1 5 m h length 190 mm nominal pressure PN16 connection G 1 B 23 Nominal flowrate 1 5 m h length 190 mm nominal pressure PN25 connection G 1 B 25 Nominal flowrate 1 5 m h length 130 mm nominal pressure ...

Страница 33: ...th 5 m 0G Type PS 16 bar 150 C Ø5 2x45 mm cable length 1 5 m 0H 8 Communication Code No module 0 Pulse module P M Bus module B Radio module 868 MHz stationary E 9 Water meter pulse inputs Code Without water meter pulse inputs 0 With water meter pulse inputs 1 10 Power supply Code Battery for 6 years A Battery for 11 years B Battery for 16 years C Battery for 20 years D 11 IP protection class Code ...

Страница 34: ...Kv factor at Δp 1bar 1 5 1 5 3 6 3 8 3 8 6 0 5 3 m h Graph in diagram A A B C C E D Weight 0 8 1 1 0 8 0 8 1 1 0 8 1 1 kg Dimension pack age length width height 15 5 13 5 12 0 22 5 18 5 11 3 15 5 13 5 12 0 15 5 13 5 12 0 22 5 18 5 11 3 15 5 13 5 12 0 22 5 18 5 11 3 mm mm mm The indicated pressure loss of a flow sensor is at the nominal flowrate qp Using the Kv factor which defines the flow rate at...

Страница 35: ...Pressure loss weight and dimension of package 35 36 Flow rate in m h Pressure loss in mbar ...

Страница 36: ...Pressure loss weight and dimension of package 36 36 Landis Gyr GmbH Humboldtstrasse 64 90459 Nuremberg Germany ...

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