OPERATING INSTRUCTIONS
Important information
Target group
Qualified craftsmen
Specialist personnel trained by Techem
Intended use
The classic S3 computer unit is an energy computer unit for universal application in
systems for the measurement of heating and cooling.
Device properties
The computer unit is available in the following versions:
calculator heating for metering heating
calculator cooling for metering cooling
calculator with cooling tariff for combined metering of heating/cooling
calculator solar as a special version for solar systems (there is no calibration for this
version)
1
Key for the illustrations
Temperature sensor
Sensor identification
Safety and hazard information
The regulations for the use of energy meters must be observed.
Only clean the outside of the meter using a soft, slightly moistened cloth.
Power supply
Battery
A 3.6 V DC lithium battery is installed in the standard version.
Cannot be replaced.
!
Used batteries must be disposed of at the proper collection points!
– There is the danger of explosion if the wrong type of battery is used.
Power supply
A power supply can be converted or retrofitted by an electrician at all times to use to the
meter in control systems.
Power supplies with 24 V AC or 230 V AC are available.
Not suitable for consumption acquisition to create a legally binding cost allocation because
in case of power supply failure the measurement functions are out of operation.
1
2
TH (heating)
R (red)
3
TC (cooling)
B (blue)
GB
9