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Vaillant VWZ AI User Manual

Vaillant VWZ AI
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Appendix
24 Installation instructions Heat pump control interface module 0020291573_00
C Installer level overview
Setting level Values Unit Increment, select, ex-
planation
Factory setting Setting
Min. Max.
Installer level
Enter code 00 99 1 (competent person
code 17)
17
Installer level Fault list
F.XX F.XX
1)
Current value
Installer level Test menu Statistics
Compressor hours Current value h
Compressor starts Current value
Build. pump hours Current value h
Build. pump starts Current value
4-port valve hours Current value h
4-port valve sw. ops Current value
Fan 1 operating hours Current value h
Fan 1 starts Current value
Fan 2 operating hours Current value h
Fan 2 starts Current value
EEV steps Current value
No. switch. ops Current value
Installer level Test menu Check programmes
P.04 Heating mode Select
P.06 Purge building circuit Select
P.12 De-icing Select
P.27 Immersion heater Select
P.29 High pressure Select
Installer level Test menu Sensor/actuator test
T.0.01 Building circuit pump
power
0 100 % 5, off 0
T.0.17 Fan 1 0 100 % 5 0
T.0.18 Fan 2 0 100 % 5 0
T.0.19 Condensate tray heater Off On On, Off Off
T.0.20 4-port valve Off On On, Off Off
T.0.21 Position: EEV 0 100 % 5 0
T.0.23 Heating coil compressor Off On On, Off Off
T.0.40 Flow temperature -40 90 0.1
T.0.41 Return temperature -40 90 0.1
T.0.42 Building circuit water tem-
perature
-40 90 0.1
T.0.43 Building circuit: Flow rate 0 4000 l/h 1
T.0.48 Air inlet temperature -40 90 0.1
T.0.55 Compressor outlet tem-
perature
-40 135 0.1
1)
See the overview of fault codes: Fault lists are only available, and can only be deleted, if faults have occurred.
2)
This parameter does not appear if a system control is connected.
3)
This parameter is only available in the products for Spain

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Vaillant VWZ AI Specifications

General IconGeneral
BrandVaillant
ModelVWZ AI
CategoryControl Unit
LanguageEnglish

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