15
745.089 | 11.30
EN
6
Modes of operation
6.1
Changing the mode of operation
Notice
Danger of pump damage if run dry. Only switch the system to
manual
or
automatic
mode when the system is filled.
1. Remove the front panel.
2. Press the
button for 2 seconds to change the mode of operation.
3. Repeat step 2 if necessary.
4. Mount the front panel.
Off
Manual
Automatic
2 s
2 s
2 s
6.2
"Off" mode
Functionality
• The output is switched off (output/control output without power).
•
OFF
and the software version are displayed alternately.
See example in Fig. below: Software version
St
1
.
3
• Backlighting is red.
• Settings menu can be called up.
• The
Off
mode is preset when the device is delivered.
Operation
X
Press and hold the
SET
button for 2 seconds to call up the settings menu ( ).
6.3
“Manual” mode
Functionality
• Backlighting is red, spanner symbol
flashes.
• The controller output (pump) can be manually switched. Possible switching states:
0
: off
1
: on
A
: Automatic operation as per the settings in the settings menu
• Current temperatures and operating hours can be displayed (status display).
• When changing to
manual
mode the output is switched to
A
.
R1
is displayed. Ex-
ception: Initial commissioning (output at
0
).
• Typical application: Functional test (maintenance), fault-finding.
Содержание TF B001
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