2 system ac pm check complete. Changed filters. Added chlorine tablets to condensate pump. Checked mechanical and electrical components, all in good shape. Chemically washed condenser coils and applied rust proof waxing. Recommend surge protection to protect units from lightning strikes and power surges. Recommend apco air purifiers to keep evap coils clean, prevent mold, and kill germs and viruses, essentially for better air quality. Systems operating normal at this time.
No cool. Check and find furnace power off. Turn on switch and system operate. Test and find condenser coil coil dirty and stress compressor. Sign up plan and complete cooling pm check. Did not change. Clean ac coil and add performance enhancement upgrade HN1A to help compressor start up and reduce load. System operating at this time.
Found bad voltage absorption system and burnt wiring. Replaced voltage absorption system, repaired wiring and renovated electrical terminals. Added in performance enhancement system to take a load off of the compressor and help system run smoother. Found system low on r22, recharged system and added internal sealers. System operating at this time. Signed customer up for 2 system maintenance plan, office will call to schedule summer maintenance. System cooling at this time.
No cool downstairs. Find blower motor not operating due to fault in circuit control system for furnace. Replace circuit control system for carrier unit. System operating at this time. Find flue pipe not code and no water safety for basement system. Suggest plan to help maintain system and prolong system life.
Replaced control board on upstairs system, upstairs system cooling at this time. Found main level system freezing up due to low charge on r410a, recharged system and added internal sealers. System is cooling at this time. Signed customer up for two system maintenance plan.
No cool. Check and find system air movement system fail. Find fault in control system. Repair air conditioner control system HD7B and system operate. Find airhandler badly molded. Clean and sanitize system. Sign up plan with Comfort control inc. complete cooling pm check. Clean ac coil and drain drain line. System operating at this time. Suggest performance enhancement system t improve system start up and reduce load.