Technical Data; Malfunctions - Bosch EasyControl Adapter OT-iRT/On-Off Installations- Und Bedienungsanleitung

18 | Technical Data

6 Technical Data
Volume
Voltage supply
Nominal electrical load
Dimensions (width x height x depth)
Weight
Permissible ambient temperature range
Max. storage temperature
Permissible relative humidity
IP classification
Table 2 Technical data, module
7

Malfunctions

LED Error
Blinking alternating No boiler detected.
red and blue
Constantly red Short circuit connection
to the thermostat.
No communication with
the boiler.
Constantly blue No communication with
the thermostat.
Out No power.
Table 4 Malfunctions
6720821559 (2017/06)
Unit Value Volume
V 20 Contact load (min.) @ 18V
DC
W < 2.5 Contact load (max.) @ 250V
mm 134 x Cable diameter (max.)
115 x 37
Cable length (max.) EasyControl
g 230 adaptor - boiler
°C 0 - 50 Cable length (max.) EasyControl
adaptor - thermostat
°C 0 - 60
Table 3
% 10 - 90
IP20
Solution
▶ Turn on the boiler.
▶ Check the cable clamps between the power adaptor and the connection to
the boiler.
▶ Check the 2-wire cable.
▶ Refer to the boiler installation instructions.
The boiler is turned off:
▶ Turn on the boiler.
▶ Check all connections.
The boiler is switched on:
▶ Remove the EasyControl adaptor power adaptor from the socket, wait at
least 10 seconds, and reconnect it.
▶ Turn on the boiler.
▶ Check the cable clamps between the power adaptor and the thermostat.
▶ Check the 2-wire cable to the thermostat.
▶ Connect the EasyControl adaptor power supply.
▶ Replace the power adaptor.
DC
AC
Technical data, zero volt contact
EasyControl Adapter OT-iRT/On-Off
Unit Value
mA 10
A 5
mm² 2.5
m 3
m 100