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5
-- Start-up
5.1
Prerequisites for starting up
–
The system control and outdoor temperature sensor have
been installed and wired.
–
The FM5 functional module is installed and connected in
accordance with configuration 1, 2, 3 or 6, see supple-
ment.
–
The FM3 functional modules are installed and connected,
see supplement. A unique address is assigned to each
FM3 functional module via the address switch.
–
Start-up of all system components (except for the system
control) is complete.
5.2
Running the installation assistants
The installation assistant is at the Language: query.
The system control's installation assistant takes you through
a list of functions. For each function, you should choose the
set value that is best suited to the heating installation being
installed.
5.2.1
Completing the installation assistant
Once you have gone through the installation assistant, Se-
lect the next step. appears on the display
Installation configuration: The installation assistant
switches to the system configuration for the installer level, in
which you can further optimise the heating installation.
Installation start: The installation assistant switches to the
basic display and the heating installation works with the val-
ues you have set.
Sensor/actuator test: The installation assistant switches to
the sensor/actuator test function. You can test the sensors
and actuators here.
5.3
Changing the settings later
All settings that you have made via the installation assistant
can be changed again at a later date via the end user or
installer level.
5.4
Retroactively setting cooling mode
Preliminary work
1. Check whether your heat pump is equipped with the cool-
ing mode function.
Note
Cooling mode is product-dependent. If the
cooling mode function is not available for the
heat pump, an optional accessory must be
installed.
2.
Condition: Heat pump with cooling mode function
2.1. Activate cooling mode on the heat pump's control
panel (for cascades of all cooling heat pumps) (→
Installation instructions for the heat pump).
2.2. Briefly switch off the heat pump (in cascades, heat
pump 1) and, if required, FM5.
2.3. Switch the heat pump (in cascades, heat pump 1)
and, if required, FM5 back on.
◁
The system control is informed that the heat
pump's cooling mode is activated.
104
1.
In the system control, navigate to the function MENU
| SETTINGS | Installer level | Installation config-
uration | Circuit | Cooling possible: and confirm by
pressing Yes.
2.
Navigate to the function MENU | SETTINGS | Installer
level | Installation configuration | Circuit | Min. cool-
ing targ. flow temp.: °C and set the temperature.
Note
If the target flow temperature is set too low,
condensate may form.
3.
If required, navigate to the function MENU | SETTINGS
| Installer level | Installation configuration | Circuit |
Room temp. mod.: and select Active or Expanded.
4.
If required, navigate to the function MENU | SETTINGS
| Installer level | Installation configuration | Circuit |
Dew point monitoring: and confirm by pressing Yes.
5.
If required, navigate to the function MENU | SETTINGS
| Installer level | Installation configuration | Installa-
tion | Automatic cooling: and select Activated.
6
Fault and maintenance messages
6.1
Fault
How to respond if the heat pump fails
The system control switches to limp home mode, i.e. the
back-up boiler supplies the heating installation with heating
energy. During installation, the competent person has restric-
ted the temperature for limp home mode. You can feel that
the domestic hot water and heating are not becoming very
hot.
You can select one of the following settings until the compet-
ent person arrives:
Off: The heating and domestic hot water only become mod-
erately hot.
Heating: The back-up boiler takes over the heating mode;
the heating becomes hot and the domestic hot water is cold.
DHW: The back-up boiler takes over the domestic hot water
mode; the domestic hot water becomes hot and the heating
is cold.
DHW + heat.: The back-up boiler takes over the heating
and domestic hot water mode; the heating and domestic hot
water become hot.
The back-up boiler is not as efficient as the heat pump,
meaning that using only the back-up boiler to generate heat
is expensive.
Troubleshooting (→ Appendix A.1)
Operating and installation instructions 0020287900_03
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