Brunata Optuna H 775 Installation Manual Download Page 5

Page: 5 / 16

Brunata Optuna H

UK-QB101575/29.05.2012

Installation Guide

Pages 5/16

Brunata a/s · Vesterlundvej 14 · 2730 Herlev · tlf. +45 77 77 70 00 · fax +45 77 77 70 01 · [email protected] · www.brunata.dk

T: 5 … 90°C / T

water

> T

ambient

T: 90 … 130°C/150°C / T

water

< T

ambient

Spacer holder

Wall mounting

Summary of Contents for Optuna H 775

Page 1: ...s is a Danish owned company We have more than 90 years of experience within developing and producing meters heat cost allocators consumption accounts meter services and substations Today meters are of...

Page 2: ...MAINS UNIT 7 4 0 EXTENSION MODULES 7 4 1 INSTALLATION OF MODULES 8 4 2 COMMUNICATION MODULES 8 4 2 1 M Bus 8 4 2 2 Communication over radio 9 4 2 3 RS 232 Communication module 9 4 2 4 RS 485 Communica...

Page 3: ...30 C 150 C The temperature range depends on variant and nominal size The encapsulated variant is to be used if condensation is expected The specified operating ambient conditions are 5 55 C IP54 93 re...

Page 4: ...0 C or more or if Twater Tambient application as cooling meter or heat cooling meter the integrator must be removed from the meter and installed a sufficient distance away from heat sources A wall hol...

Page 5: ...2012 Installation Guide Pages 5 16 Brunata a s Vesterlundvej 14 2730 Herlev tlf 45 77 77 70 00 fax 45 77 77 70 01 brunata brunata dk www brunata dk T 5 90 C Twater Tambient T 90 130 C 150 C Twater Ta...

Page 6: ...s enclosed in a separate bag Make sure the sensor is mounted symmetrically The connecting cables must not be shortened or extended The maximum cable length is ten meters The sensors should preferably...

Page 7: ...r supply for up to one year The LCD readings on pressing button and the date and time are still updated but none of the measuring functions work incl the flow rate measurement Communication still func...

Page 8: ...ion module can be used in radio operation The protocol is different for each of the two channels and is preset ex works but can be set to customer specific requirements using the IZAR Set software Eac...

Page 9: ...h GPRS LAN The protocol corresponds to the Open Metering or HYD standard and is encrypted Reading modes Brunata DriveBy Brunata LiveNetwork 4 2 3 RS 232 Communication module The RS232 communication mo...

Page 10: ...input 2 as I2 and Pulse inputs are programmable IZAR SET for a value of 1 2 5 10 25 100 250 1000 2500 litres per pulse Possible units are all the energy units available in the meter the volume unit m...

Page 11: ...outputs are marked on the terminal strip as O1 and or O2 and and in the display as Out1 and Out2 External power supply Vcc 3 30 V DC Output current 20 mA with a residual voltage of 0 5 V Open collect...

Page 12: ...logue outputs which can be programmed as desired using the IZAR SET software The outputs are marked on the terminal strip as 1 and 2 with the respective polarity and Passive external power supply 10 3...

Page 13: ...nergy amounts running days water amounts current temperatures maximum values The energy meter has six different display loops Main loop day loop information loop pulse input output loop tariff loop an...

Page 14: ...press three seconds switches to the next display loop The Energy window sequence 1 1 in the main loop is the basic display The meter automatically switches off the display to save power if the button...

Page 15: ...he error log Error display Error description C 1 Basic parameter error in flash or RAM E 1 Temperature range exceeds 19 9 C 199 9 C Sensor short circuit sensor break E 3 Forward and return sensor reve...

Page 16: ...ta dk www brunata dk 8 0 Declaration of conformity for devices after MID These products conform to the essential requirements of the following directives EMC Directive 2004 108 EC R TTE Directive 1999...