HB-100/140/160Z1
Temperature Control Unit
Operation
O8285-EN 2017-12
69
8.5.3 External sensor
Function
(additional equipment ZE)
In order to precisely control the temperature of a consumer, an
external temperature sensor can be connected to the unit:
Pre-selection of external sensor
type
Fig. 34: Setting sensor type for external
sensor
NOTE!
The sensor type Pt 100 is automatically recognised
and adjusted. All other sensor types have to be set
manually.
The external sensor type is set as follows:
1.
Display the menu page
Setting \ Miscellaneous
.
2.
Set parameter
Sensor type external sensor
to the connected
sensor type.
Switching to external sensor
Fig. 35: Switch over exernal sensor
When recognised, the unit automatically switches over to a
connected external sensor. If this is not desired, make the following
setting:
1.
Display the menu page
Setting \ Miscellaneous
.
2.
Set parameter
Switch over exernal sensor
to "manual".
NOTE!
On breakage of the external sensor, with the
setting
Switch over exernal sensor
"autom",
automatic switching is made to the internal
measuring point; with the setting "manual", an error
message results.
Switching control to external
sensor on or off manually
Fig. 36: Switching on the external sensor
NOTE!
Switching control to the external sensor on or off
manually is only necessary when the parameter
Switch over exernal sensor
is set to "manual".
Proceed as follows in order to switch control to the external sensor
on or off manually:
1.
Display menu page
Functions
.
2.
Select function
External sensor
and activate or deactivate with
the
key.
The activated function is indicated with the
symbol.