Maintenance
Compress Hybrid 7000i AW – 6721833054 (2020/09)
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Menu: Outside temperature
The currently measured outside temperature is displayed in this menu. In
addition, a diagram of the outside temperature profile for today and
yesterday (from 00:00 to 24:00 in each case) is displayed here.
Menu: Internet
Table 28 Information about the Internet connection
Menu: System information
Only installed components are displayed.
Table 29 System information
3.5 Faults
If a fault persists:
▶ Confirm the fault by pressing the selector.
▶ Faults that are still active are displayed by pressing the d key.
▶ Call an authorised contractor or customer service and give them the
fault code and sub-code, as well as the ID no. of the user interface.
Table 30 Your contractor must enter the ID no. here.
Faults on additional heat source:
▶ Check the display of the additional heat source for information.
▶ Reset the additional heat source.
▶ If the fault persists; contact your contractor.
4 Maintenance
Both the owner and the operator are responsible for the safety and
environmental compatibility of the heating system.
Regular inspection and maintenance are prerequisites for safe and
environmentally compatible operation of the heating system.
▶ Have the appliance serviced every 2 years by an authorised
contractor to ensure it is in good working order.
▶ With this in mind, you should ideally conclude a maintenance and
inspection contract.
DANGER
Risk of electric shock.
Grave personal injuries may occur.
▶ Disconnect the power supply before carrying out maintenance work.
Using the wrong cleaning product may damage the units!
▶ Do not use acid or chlorine based products or products that contain
abrasives.
4.1 Indoor unit
4.1.1 Checking the operating pressure
The pressure should be checked 1-2 times per year.
▶ Check the pressure at the pressure gauge.
▶ If the pressure is less than 0.5 bar, increase the pressure slowly to
max. 2 bar by filling with water via the fill valve.
▶ If you have any questions about the procedure, consult the installer of
the system.
4.1.2 Moisture in cooling mode
NOTICE
If moisture frequently forms near the indoor unit or the fan convectors in
cooling mode, this could mean that the condensation insulation is
defective.
▶ If moisture forms in the vicinity of components of the heating system,
switch the heat pump off and consult the system installer.
4.1.3 Checking the safety valves
The safety valves should be checked 1-2 times each a year.
Water is expelled from the safety valve during heat-up. Never close the
safety valve.
▶ The safety valve should only let water out if the maximum pressure is
exceeded. Contact the installer if water is coming from the safety
valve at pressures below 2 bar.
▶ The drainage hose from the safety valve shall be discharged into the
sewage / floor well.
Menu item Description
IP connection Status of the connection between communication
module and router.
Server
connection
Status of the connection between communication
module and Internet (via the router).
SW version Software version of the communication module.
Login data Login name and password for the login into the App
to operate the system via a smartphone.
MAC address MAC address of the communication module.
Menu item Description
Heat pump
status
A range of information about the status of heat pump
is found in this menu.
Cooling circuit
status
Actual operation mode of the heat pump.
Compressor
output
Displays the actual output produced by the heat
pump.
Additional heater
status
Actual operation mode of the electric booster
heater.
Electr. boost.
heat. output
Displays the actual output produced by the electric
booster heater.
Status of add.
heater with mixer
• Actual operation mode of the Add. heat
appliance.
• Mixing valve: 0..100%, provided level of
additional heater output.
El. DHW
additional heater
Actual operation mode of the electric immersion
heater in the external DHW cylinder.
ESC block Actual operation mode of the electric company
block.
PV system Actual status of the photovoltaic system.
Smart Grid Actual signal sent from the energy supplier for the
use of Smart Grid.
Current mode Actual operation mode for the selected heating/
cooling circuit.
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