User Manual
To fit the sensor, a threaded fitting or T-piece G ½ must be welded into the pipe.
permitted: not permitted:
1781Z02
min.
60 mm
1781Z01
a b
c d
G ½
For sensors with non-sealing threaded nipples G ½, sealing means must be used with
the threaded connection (e.g. hemp, Teflon tape or similar).
Mounting Instructions are printed on the packaging.
Disposal
The devices are considered electronics devices for disposal in term of European
Directive 2012/19/EU and may not be disposed of as domestic waste.
• Dispose of the device via the channels provided for this purpose.
• Comply with all local and currently applicable laws and regulations.
Technical data
Power supply
Safety extra-low voltage (SELV)
Operating voltage (QAE2161.xxx
AC 24 V
± 20%, or DC 13.5...35 V
or
AC/DC 24 V class 2 (US)
Operating voltage (QAE2171.xxx)
DC 13.5…35 V
or
DC 24 V class 2 (US)
Frequency
50/60 Hz at AC 24 V
External supply line protection (EU)
Fuse slow max. 10 A
or
Circuit breaker max. 13 A
Characteristic B, C, D according to
EN 60898
or
Power source with current limitation of
max. 10 A
Power consumption
≤ 1 VA
Mounting positions
Mounting
Note!
Power supply
4/6
Siemens Immersion temperatur sensors QAE2164..., QAE2174... CE1N1782en
Building Technologies 2014-07-30