User Manual

4
Siemens
A6V11858863en
Smart Infrastructure
2019-11-21
Transformer
The selection of a transformer must consider both the power consumption during operation
as well as the switch-on current when switching on the PTC conductive heating element.
Check overload capacity of the transformer when selecting.
Installation
Always use the weather shield when operating outdoors, housing protection IP54.
The PTC conductive heating element is attached to the refrigerant valve on a U-bracket and
secured with a clip.
See Mounting instructions A6V11858868.
Maintenance
The PTC conductive heating element ASR70 is maintenance free.
Disposal
The device is considered an electronic device for disposal in terms of the
European Directive and may not be disposed of as domestic waste
● Use only designated channels for disposing the devices.
● Comply with all local and currently applicable laws and regulations.
Warranty
Comply with all technical data relating to the application.
Siemens denies any and all warranty claims arising from a failure to comply.
Technical data
Power supply
ASR70
Operating voltage
AC 24 V -10% / +20 %
DC 24 V -10% / +20 %
Frequency
50 / 60 Hz
Switch-on current
Max. 5 A
Current consumption
1.9 A (at the lowest U-bracket temperatures)
1)
1.2 A (at the highest U-bracket temperatures)
1)
Power consumption
45 W (at the lowest U-bracket temperatures)
1)
30 W (at the highest U-bracket temperatures)
1)
External fusing of mains (EU)
Fuse slow 6 A…10 A or circuit breaker max. 13 A, tripping
characteristic B, C, D to EN 60898. Power supply with current
limitation of max. 10 A
Connecting cable
Cable inputs
Fixed connecting cable:
Number of wires:
1,4 m
2 x 0.75 mm
2
Protection class
Degree of protection of housing
IP 54 to EN 60529
2)
Standards
Product standard
EN60335-1
Electromagnetic compatibility (field of use)
For residential, commercial, and industrial environments
Climatic conditions
Class 3K6 to EN 60721-3-3