Table Of Contents - Landis+Gyr ULTRAHEAT T450 Technical Description

Contents
Contents
1 General Notes ____________________________________________________________ 4
Other available documentations _____________________________________________ 4
2 Safety Information ________________________________________________________ 5
3 Technical Data ____________________________________________________________ 7
4 Dimensions ______________________________________________________________ 8
5 Installation ______________________________________________________________ 10
Changing the installation location ___________________________________________ 10
Installation recommendations ______________________________________________ 11
Examples of integration ___________________________________________________ 11
Installation instructions for the adapter set (direct immersion temperature sensor) _____ 12
Torques 12
Installation for cooling meters and combined heat/cooling meters __________________ 12
Protection class _________________________________________________________ 13
6 Operating elements ______________________________________________________ 14
6.1 Displaying current meter status ___________________________________________ 14
LCD ______________________________________________________________ 15
LOOP 0 "LOOP 0" _______________________________________________________ 16
6.2 Previous year values ____________________________________________________ 17
6.3 Monthly values ________________________________________________________ 17
6.4 Mid-month values ______________________________________________________ 17
7 Display / priority rating ____________________________________________________ 19
8 Power supply ____________________________________________________________ 19
Power supply requirements ________________________________________________ 20
Dynamical calculation of battery life __________________________________________ 20
9 Communication __________________________________________________________ 20
Electronic unit interfaces __________________________________________________ 20
Terminals ______________________________________________________________ 21
9.1 Pulse module _________________________________________________________ 21
9.2 M-Bus module _________________________________________________________ 22
9.3 Radio Module 868 MHz (Wireless M-Bus) ___________________________________ 22
10 Pulse inputs _____________________________________________________________ 24
11 Tariff control (optional) ___________________________________________________ 25
Threshold value tariff (tariff T1 - T5, T9 - T13) _________________________________ 25
Supplied quantity of energy (tariff T6) ________________________________________ 25
Returned quantity of energy (tariff T6) ________________________________________ 25
Heat / cooling meter (tariff T7) ______________________________________________ 25
Surcharge quantity tariff by means of return temperature (tariff T8) _________________ 26
Volume-weighted temperature (Tarif T14) _____________________________________ 26
12 Error messages __________________________________________________________ 27
13 Log functions ___________________________________________________________ 29
14 Order codes (type number key) _____________________________________________ 32
15 Pressure loss, weight and dimension of package ______________________________ 34
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