Replace batteries
▶ Replace used batteries with new ones of the same
type (AA).
▶ Ensure that the + pole of the battery is inserted in the
+ pole of the battery compartment.
▶ Fit the control unit into the wall socket: first insert into the
lugs [1] at the top and then latch the underside into place.
CAUTION:
Risk of explosion if the battery is replaced with an incorrect
type.
▶ Use specified batteries only.
Fig. 17
Replace batteries
10
Product data for energy consumption
The product data specified comply with the requirements of EU
Regulation No. 811/2013 as a supplement to Ecodesign
Directive 2017/1369/EU. The class of the temperature
controller is required to calculate the central heating energy
efficiency of an integrated system and is for this reason
incorporated into the system data sheet.
Function of control unit
Comfort+ II RF & Key
Room temperature-
dependent, modulating
Weather-compensated
Comfort+ II RF – 6720886122 (2018/07)
1
1)
1),2)
Class
[%]
V
3.0
VI
4.0
Table 21 Product data for the energy efficiency of the user
interface
Delivery condition
adjustable
1)
Classification of the user interface according to EU
Regulation 811/2013 for the identification of integrated
systems
2)
Contribution to seasonal energy efficiency of central
heating in %
11
Simplified EU Declaration of Conformity
regarding radio equipment
Bosch Thermotechnik GmbH hereby declares, that the
Comfort+ II RF product described in these instructions
complies with the Directive 2014/53/EU.
The complete text of the EU Declaration of Conformity is
available on the Internet: worcester-bosch.co.uk.
12
Specifications
Transmission protocol (wireless)
Transmission frequency
Band width frequency
Maximum transmitting capacity
Installation height
Atmospheric pressure
Operating temperature
Storage temperature
Relative humidity 23 °C
Relative humidity 40 °C
IP rating
Category of receiver
Vibration
Batteries required
l
Battery service life
Temperature of ball test
Degree of pollution
Table 22 Wireless technology in Comfort+ II RF and key
Product data for energy consumption
X3D-C
868.00 MHz
868.7 – 869.2 MHz
10 mW
-5 – 1800
780 – 10505
0 – 60 °C
-20 – 85 °C
0 – 80%
0 – 93%
IP20, IPX4D
according to
DIN 40050
2
EN ISO 1335
ASTM 4728
AAA/AA
2 years
75 °C
2
19