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Idiomas disponibles
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1
Scope of supply
1x
2
About these instructions
These instructions must the read completely and thoroughly before commencing
any work with the base. These instructions must be kept and to be handed over to
future users.
Individual positions of the device designations are replaced by an x in these instruc-
tions. Depending on the position it replaces the indication of several device types. For
example: B x1402 corresponds to B 41402 and B 21402. You can view and download
these instructions and more instructions under www.ezr-home.de.
The following symbols show
•
a list,
a warning with respect to electrical voltage
an important information.
3
Safety
3.1 Intended use
The base serves
• for the arrangement of a room-by-room temperature control system with a maxi-
mum of 10 zones (depending on the type used) for heating and cooling systems,
• the connection of a maximum of 18 actuators and 10 room control units (de-
pending on the type used),
• the connection of actuators with the control direction NC (normally closed) or NO
(normally open), depending on the thermostat used
• the connection of an external timer
• depending on the type used, the connection of a pump or a boiler, a CO signal
generator, a temperature limiter or dew point sensor
• a ixed installation
Every other use, modiication and conversion is expressively forbidden and leads to
dangers the manufacturer cannot be held liable for.
3.2 Safety notes
All safety notes in these instructions must be observed in order to avoid accidents
with personal damage or property damage.
WARNING
Danger to life due to the electrical voltage at the base station!
• Always disconnect from the mains network and secure against unintended acti-
vation before opening.
• Only an authorised electrician may open the device.
• Disconnect external voltages and secure against activation.
• Only use the product if it is in lawless state.
• Do not operate the device without device cover.
• This unit is not intended to be used by persons (including children) with restricted
physical, sensory or mental skills or who lack experience or knowledge. If neces-
sary, these persons must be supervised by a person responsible for their safety or
receive instructions from this person on how to use this unit.
• Ensure that children do not play with this device. Children must be monitored if
necessary.
• In case of emergency, disconnect the complete room-by-room temperature con-
trol system.
3.3 Personnel-related preconditions
The electrical installations must be performed according to the current national VDE
regulations as well as according to the regulations of your local electric power utility
company. These instructions require special knowledge corresponding to an oicially
acknowledged degree in one of the following professions:
• Systems Mechanic for sanitary, heating and air condition technology
• Electrical Equipment Installer or
• Electronics Engineer
according to the profession designations oicially announced in the Federal Republic
of Germany, as well as according to comparable professions within the European
Community Law.
2x
1x
1x*
4
Device overview
4.1 Connections and indications
T2A
The following instructions show the full equipment. Individual positions may be
omitted depending on the present base.
T4AH
1
2
3
4
5
*only B 50302
14
13
1 Boiler connection
2 Pump connection
3 Protective conductor connection
(only for 230 V)
4 Voltage supply
5 Fuse
6 Temperature limiter or dew point
sensor
7 Reduction channel, external timer
4.2 Technical data
Operating voltage:
Power input:
Fuse:
Number of heating zones:
Max. number of thermostats:
Actuators:
Nominal load of all actuators:
Pump/boiler control
2, 3
Switching power:
Turn-on delay:
Follow-up time fixed/adjustable: 2 min / 5 - 15 min
Valve protection function
Pump protection function:
Control direction:
Ambient temperature:
Storage temperature:
Ambient humidity:
Protection class:
Protection type:
Dimensions (H x L x D):
Weight:
4.3 Conformity
This product is labelled with the CE Marking and thus is in compliance with the re-
quirements from the guidelines:
• 2004/108/EG with amendments "Council Directive on the approximation of the
laws of the Member States relating to Electromagnetic Compatibility"
• 2006/95/EG with amendments "Council for Coordination of the Regulations of
EU Member Countries regarding the electrical equipment for use within certain
voltage limits"
• 2011/65/EU "Restriction of the Use of Certain Hazardous Substances in Electrical
and Electronic Equipment"
Increased protection requirements may exist for the overall installation, the compli-
ance of which is the responsibility of the installer.
B 50302
B 41402 | B 40502 | B 40602
B 21402 | B 20502 | B 20602
6
7
8
9
12
11
8 Heating/cooling change-over
9 Thermostat connection
10 LEDs
11 Strain relief
12 Connection of actuators
13 DIP switch
14 Contacts for casing cover with inte-
grated system clock
B50302:
24 V ±20 %, 50 Hz
230 V ±10 %, 50 Hz
B4xx02:
24 V ±20 %, 50 Hz
B2xx02:
230 V ±10 %, 50 Hz
24 V:
30 VA
230 V:
50 VA
24 V:
T2A
230 V:
T4AH
6 or 10
6 or 10
6 heating zones: max. 15
10 heating zones: max. 18
max. 24 W
2 A, 200 VA inductive
2 min
3
4
:
14 days for 10 Min
14 days for 1 minute
NC or NO
/ NC
/ selectable
1
2
0 to +50 °C
-20 to +70 °C
80%, not condensing
24 V:
III
230 V:
II
IP 20
90 x 326.5 x 50 mm
6 heating zones: 427.6 g ±35 g
10 heating zones: 449 g ±35 g
ENG
24V / 230 V
24 V
230 V
10
3
1
B 50302
(depending on
thermostat)
B 41402, B 21402
2
3
B 40502, B 40602,
B 20502, B 20602
4
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