Bosch EasyControl User's Installation And Operation Manual

6720821559 (2017/06) EasyControl Adapter OT-iRT/On-Off
18 | Technical Data
6Technical Data
7Malfunctions
Volume Unit Value
Voltage supply V
DC
20
Nominal electrical load W <2.5
Dimensions (width x height x depth) mm 134 x
115 x 37
Weight g 230
Permissible ambient temperature range °C 0 - 50
Max. storage temperature °C 0 - 60
Permissible relative humidity % 10 - 90
IP classification IP20
Table 2 Technical data, module
Volume Unit Value
Contact load (min.) @ 18V
DC
mA 10
Contact load (max.) @ 250V
AC
A 5
Cable diameter (max.) mm² 2.5
Cable length (max.) EasyControl
adaptor - boiler
m 3
Cable length (max.) EasyControl
adaptor - thermostat
m 100
Table 3 Technical data, zero volt contact
LED Error Solution
Blinking alternating
red and blue
No boiler detected. ▶ 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.
Constantly red Short circuit connection
to the thermostat.
No communication with
the boiler.
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.
Constantly blue No communication with
the thermostat.
▶Turn on the boiler.
▶ Check the cable clamps between the power adaptor and the thermostat.
▶ Check the 2-wire cable to the thermostat.
Out No power. ▶ Connect the EasyControl adaptor power supply.
▶ Replace the power adaptor.
Table 4 Malfunctions

Bosch EasyControl Specifications

General

Brand	Bosch
Model	EasyControl
Category	Adapter
Language	English