Installation; Operating Elements - Landis+Gyr ULTRAHEAT T450 Installation Instructions Manual

Warning
The meter contains lithium batteries. Do not dispose of the
meter and batteries as household waste. Observe local
regulations and laws regarding disposal.
Warning
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.
Warning
Do not open the batteries. Do not bring batteries into
contact with water or expose to temperatures exceeding
80°C.
Warning
The meter has no lightning protection. Ensure lightning
protection via the house installation.

3 Operating elements

Figure 1: Meter, closed
© Landis+Gyr
Figure 2: Meter, open
Number
1
2
3
4
5
6
7

4 Installation

Note
For a heat meter
cold side installation location corresponds to the return
Note
In the case of a cooling meter
installation location corresponds to the return
cold side installation location to the supply
Proceed as follows to install the meter:
1. Compare the installation location with the symbol on the
LCD (
necessary, adjust the installation location of the meter to
match the conditions (see chapter "Changing the installation
location").
2. Note the dimensions of the meter and check whether there
is sufficient free space.
3. Flush the system thoroughly before installing the meter.
4. Install the meter vertically or horizontally between two gate
valves so that the arrow on the body matches the flow
direction. Please note the following installation examples.
5. Install the temperature sensors in the same circuit as the
meter.
6. Seal temperature sensors and screw connections to prevent
manipulation.
7. Remove the rubber band from the volume measuring part.
During operation, the temperature sensor cable and control
line should not be in direct contact with the volume
measuring part.
8. If you install the meter as a cooling meter, follow the
corresponding instructions.
Recommendation: If you install several meters, the same
installation conditions should apply to all meters.
Subject to change without prior notice
Description
Button 1
Button 2
Security stamp
Screw
Optical interface
LCD
Service button
or combined heat/cooling meter, the
and the warm side installation location to the supply
.
or ) to determine the installation location. If
, the warm side
and the
.
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