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Section 9 - Fault Finding
79
Installation and Maintenance
FAUL
T FINDING
9.1.30 No Hot Water but Central Heating works OK
9.1.31 No Display on Indoor Unit
Is wiring from Indoor Unit primary PCB to Indoor Unit
User Interface PCB securely connected?
Is hot DHW Cylinder target temperature set too low?
Does central heating and hot water otherwise work OK?
Is there 230 V to the diverter valve?
Replace Indoor Unit Primary PCB
Replace Indoor Unit primary PCB
Connect wiring securely
Increase hot DHW Cylinder target
temperature
Replace Indoor Unit User Interface PCB
Replace diverter valve
NO
YES
YES
YES
YES
NO
NO
NO
Содержание Logic Air DHW IDEPLUHP180DUOPPSZ
Страница 80: ...80 Installation and Maintenance Appendix 1 1 SYSTEM SCHEMATICS 1 1 1 Schematics Key Legend...
Страница 81: ...Appendix 81 Installation and Maintenance 1 1 2 Logic Air Two Zone Pre Plumbed Cylinder with Integrated Buffer...
Страница 82: ...Appendix 82 Installation and Maintenance 1 1 3 Logic Air Single Zone Pre Plumbed Cylinder...
Страница 92: ...92 Installation and Maintenance Notes...
Страница 93: ...93 Installation and Maintenance Notes...