• The TXV-fed indoor coil is clogged with ice. Since you note that the wiring connections on the PSC-operated, three-speed fan motor (see the diagram in Figure 1 that shows the wiring configuration ...

In this month’s troubleshooting situation, we have a customer who has called to say that their condominium has no heat. The particular equipment in this case is a thru-the-wall package unit that ...