Tech preformed CMA FULL SERVICE on 10 Split systems, 1 air makeup and 1 exhaust fan. All units are operating at this time. Tech has attached system performance reports to invoice along with estimates for any recommended repairs.
Tech preformed CMA FULL SERVICE on 4 VRV condenser units, 11 air handler units, 1 air makeup and 1 exhaust. Tech found that thermostat in right hallway would not switch to cool mode and Tech was unable to get amp readings from circuit 1 and fan. Tech spoke with maintenance and was advised that previous HVAC company had bypassed error codes. Tech recommends Demand tech with appropriate equipment to further diagnosis. Maintenance also advised that previous HVAC company had diagnosed leak in condenser unit 1, Tech preformed electronic leak search and checked pressure but found no indication of leak. All over units are operating at this time.
Unit 3 and 5 , 5 was already fixed according to maintenance Technician began work on unit number three found a bad sensor a bad transformer and a bad contactor and some miss wiring which caused the bad transformer Repaired unit threes electrical problems System number three is back to cooling System number five coil is frozen upon arrival System is severely dirty and drain pan is oily indicating leak in the evaporator coil. Tech recommends replacing unit 5 due to age and condition Unit 5 condenser is 2016 model with compressor in the yellow. The compressor is not original to unit and this indicates major issues Unit 5 is also a miss matched set with a ruud airhandler and trane outdoor unit Was able to fix unit 3 but 5 will need considerable more work and replacing would be better than repairing a miss matched system .