PACD011001C2 Typical Wiring Mistakes
Appendix 591
5. Typical Wiring Mistakes
5.1 Typical Wiring Mistakes
One of the indoor
units is connected
to outdoor-to-
outdoor
transmission
terminals
Installation / test operation
Indoor unit 1 Normal
Indoor unit 2 UF malfunction
Other than above
Indoor unit 1 Normal
Indoor unit 2 U4 malfunction or no malfunction display