Bosch Junkers TA 211 E Mode D'emploi page 10

TA 211 E
1 Safety Notes
The regulator is installed into the boiler
facia. The regulator may only be con-
nected according to the wiring diagram.
Under no circumstances should the reg-
ulator be connected to the 230 V mains.
The regulator is to be used exclusively
in connection with a boiler equipped with
Bosch Heatronic control.
Before installing the regulator, the volt-
age supply (230 V, 50 Hz) to the boiler
must be disconnected.
2 Application
TA 211 E is a flow temperature regulator con-
trolled by outside temperature to be installed
into the facia of appliances, equipped with
Bosch Heatronic control.
2.1 Items Supplied
Included in the items supplied (Fig.
the TA 211 E is an outside temperature sen-
sor with mounting material.
2.2 Accessories
A mechanical flow temperature limiter must
be fitted to the flow pipe of underfloor heating
systems, in accordance with the manufactur-
er's instructions.
The TA 211 E is supplied without a time
switch. This is available as an accessory.
A remote control with a time switch can also
be used (not in UK, see the following table)
10
The following combinations are permisable:
Combination
TA 211 E + EU 3 T
TA 211 E + EU 2 D
TA 211 E + EU 3 T + TW 2
TA 211 E + EU 2 D + TW 2
TA 211 E + TFQ 2 T
TA 211 E + TFQ 2 W
TA 211 E + TFP 3
* Not in UK.
Note:
3 Technical Data
) with
2
Feed water temperature
regulating range
Measuring range of the
outside temperature sensor – 20 ...+30 °C
Permissible ambient
temperature of the outside
temperature sensor
Protection class
3.1 Measured Values,
Outside Temperature Sensor AF
°C
– 20 2392
– 16 2088
– 12 1811
– 8 1562
– 4 1342
0 1149
According to Par. 7 of the Heating
System Regulations, the TA 211 E
can be operated only in conjunction
with a time switch.
Ω
V °C
AF
2.64 4
2.49 8
2.33 12
2.16 16
1.99 20
1.82 24
Electrical Cir-
cuit Diagram
Fig.
8
Fig.
8
Fig. *
9
Fig. *
9
Fig. *
10
Fig. *
10
Fig. *
10
10 ... +88 °C
– 30 ... +50 °C
III
Ω
V
AF
984 1.65
842 1.49
720 1.34
616 1.20
528 1.07
454 0.95