Repair restricted supply line on airhandler #7. Restricted Supply line diagnosed by previous tech leads to the laundry room. Airflow improvement was noticed. Maintenance man on site mentioned a bad thermostat that’s not reading the correct temperature for the dining area near the kitchen and also the kitchen is having cooling problems. Superiors will be notified.
System #1- replaced a leaking indoor coil. System# 10- replaced an outdoor TXV and wired heat strips back. Pressure tested and pulled vacuum below 500 microns on both systems. Factory charged the systems with R410a refrigerant. Reconnected heat strips as well. tested heat and cool on both systems. Pre-authorized repairs.
Tech found a bad thermostat (vision pro 8000), bad sensor and not connected to wi-fi. Thermostat was recently replaced and CMA was performed recently as well. No charge per office, thermostat is covered under warranty as well.
Tech preformed CMA INSPECTION on 14 Split Systems, 8 Mini Split Systems, 1 Air Makeup Unit and 1 Exhaust Fan. Split System #1 is down due to low refrigerant from leaking Evaporator Coil. Office will contact customer with price on replacing evaporator coil and price for replacing system for comparison. Split System #10 is operating but tech found fault code on system and found that the Outdoor TXV has restriction causing system not to operate in heat mode. Tech also found that the heat strips inside Air Handler were never connected back after total rewiring of Air Handler was preformed from previous HVAC Company. Office will contact customer with pricing for replacing TXV and price for replacing system for comparison. Maintenance still has complaints about laundry area and back hallway. Tech informed them estimate had been turned in and waiting approval. All other Systems are operating within specifications at this time. Tech has attached SYSTEM PERFORMANCE REPORTS to invoice along with
FOUND SHORTED THERMOSTAT/COMPRESSOR CONTACTOR CAUSING LOW VOLTAGE FUSE TO BLOW. REPLACED WITH VP8000 THERMOSTAT AND 2 POLE, 40A COMPRESSOR CONTACTOR. MR. CUPP APPROVED. SYSTEM UP AND HEATING.