Vaillant aroTHERM VWL Series Manual page 12

Refrigerant-split heat pump system
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Menu path/entry
10
Check program: Purge building circuit
11
Contact details: Telephone number
12
End the installation assistant?
Menu → Installer level → Fault list →
13
− All displayed faults have been eliminated. The heating installation is adapted. –
Menu → Installer level → Configuration
14
15
DHW mode
16
Heating curve
17
Summer cut-off temp.
18
Bivalence point CH
19
Bivalence point DHW
20
Max flow temperature
21
Target flow temp.:
0020243831_00 System assistant
System without system control (0020253231) 3
Comment
► No
► Enter your telephone number:
/
: Insert numbers from 0 to 9 and blank spaces
/
: Navigate to the next/previous digit
► Yes
− The required system settings have been implemented. −
► Check the system for faults.
Condition: Fault present
► Troubleshooting: → uniTOWER installation and maintenance instructions, from
section 10.3 onwards
► Carry out sensor/actuator tests: Menu → Installer level → Test menu →
Sensor/actuator test →
► Configure the system in accordance with the end user's requirements.
ECO: Compressor output control that is as efficient as possible (longer cylinder
charging time)
Normal: Balanced control (short cylinder charging time/maximum compressor
output)
► 0.2–0.5: Underfloor heating
► Setting in consultation with the end user
► Setting in consultation with the end user
► Setting in consultation with the end user
► Max. 45 °C: Underfloor heating
Recommendation: Min. 18 °C
It was possible to fall below the dew point (mould formation).
11

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