User manual

741.011 | 12.18

9.2 Off mode

Functionality

• The output is switched off (output/control output without power, relays open).

• 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.

9.3 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. Excep-

tion: Initial commissioning (output at 0).

• Typical application: Functional test (maintenance), fault-finding.

Operation

You switch the output on and off as follows:

1. Press SET. The switching state flashes.

2. Press  to change the switching state.

3. Press SET to adopt the change.

See

in the following Figure (system 1.1 and output R1 are shown as an example).

You display the current temperatures and operating hours as follows:

1. Press ESC. The temperature/operating hours are displayed and the associated com-

ponent flashes (

, display is not illustrated).

2. Press  to select a different component.

3. Press SET to leave the temperature/operating hours display.