28
ENGLISH
6
Maintenance and Repair
With the exception of a regular replacement of the batteries for the
RAMSES
®
811 top
, the room thermostats are maintenance-free.
Only clean the device with a dry or slightly damp, soft and lint-free
cloth. The interior of the device must remain free from water.
Only
RAMSES
®
811 top
:
Replace the two batteries at regular intervals every 1.5 years. Only
use new 1.5 V batteries of the type AA, Alkaline. Never mix old and
new batteries, as old batteries can leak.
7
Disposal
7.1
Disposal of Batteries
Used batteries must be disposed of according to the national regula-
tions with regard to the environment (e.g. at special battery collection
outlets). Never throw used batteries out with your usual rubbish.
7.2
Disposal of the Device
At the end of its life, the room thermostat must be dismounted profes-
sionally and disposed of according to the national regulations with re-
gard to the environment.
In case of doubts, please contact the manufacturer’s representative
in your country. Contact details can be found at the back of this man-
ual.
8
Technical Data
Control type:
RS type 2B acc. to EN 60730-1:1991
Contact:
Change-over contact, potential-free,
protective low voltage.
Max. 6 A / 250 V~, min. 1 mA / 5 V
Accuracy:
± 1 sec. per day at 20°C
Control accuracy:
± 0.2 K
Temperature meas. range:
0°C to 50°C, resolution 0.1°C
Temperature setting range:
6°C to 30°C in increments of 0.2°C
Control period:
5 to 30 min. (PD control)
Control lock-in range:
± 0.2 K to ± 5 K (PD control)
Switching hysteresis:
± 0.2 K to ± 1.0 K (hysteresis control)
Memory spaces:
22 temperature changes, programmable
for Mo-Fr, Sa-Su, each day or for individ-
ual days.
Class of protection:
II according to EN 60730-1
Type of enclosure:
IP 20 according to EN 60529-1
Only
RAMSES
®
812 top
Operating voltage:
230 V~ ± 10 %; 240 V~ + 6 %, - 14 %
50 to 60 Hz
Power reserve:
5 hours
Only
RAMSES
®
811 top
Batteries:
2 x alkaline batteries 1.5 V, type AA
Power reserve during
battery replacement:
10 minutes
6
Maintenance and Repair
The room thermostats
RAMSES
®
818 top
are maintenance-free.
Only clean the device with a dry or slightly damp, soft and lint-free
cloth. The interior of the device must remain free from water.
7
Disposal
At the end of its life, the room thermostat must be dismounted pro-
fessionally and disposed of according to the national regulations with
regard to the environment.
In case of doubts, please contact the manufacturer’s representative in
your country.
8
Technical Data
Control type:
RS type 1 B acc. to EN 60730-1:2001
Contact:
Change-over contact, potential-free,
protective low voltage.
Max. 6A (1)/ 250 V~, min. 1 mA / 5V
Accuracy:
± 1 sec. per day at 20 °C
Control accuracy:
± 0.2 K
Temperature meas. range:
O °C to 50 °C, resolution 0.1 °C
Temperature setting range:
6 °C to 30 °C in increments of 0.2 °C
Control period:
5 to 30 min. (PD control)
Control lock-in range:
± 0.2 K to ± 5 K (PD control)
Switching hysteresis:
± 0.2 K to ± 1 0 K (hysteresis control)
Memory spaces:
32 temperature changes, programmable
for Mo-Fr, Sa-Su, each day or for individual
days.
Class of protection:
II in accordance with EN 60730-1 with
correct installation
Type of enclosure:
IP 21 according to EN 60529-1
Operating voltage:
230 V-240 V; 50 to 60 Hz
Power reserve:
6 hours
Only
RAMSES
®
818 top 16 A
Control type:
RS type 1 B acc. to EN 60730-1:2001
Contact:
Closing contact, max. 16 A (2)/250 V~
Class of protection:
II in accordance with EN 60730-1 for
designated installation on a flush box
30
